:root{
    --primary:#6366f1;
    --success:#22c55e;
    --danger:#ef4444;
    --bg:#f6f7fb;
    --card:#ffffff;
    --text:#111827;
    --muted:#6b7280;
  }

  *{
    box-sizing:border-box;
    font-family:system-ui,-apple-system,sans-serif;
  }

  body{
    margin:0;
    background:#0f172a;
    display:flex;
    justify-content:center;
  }

  /* App Container */
  .app{
    width:100%;
    max-width:420px;
    min-height:100vh;
    background:var(--bg);
    padding-bottom:50px;
  }

  /* Header */
  .mobile-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        max-width: 420px;
        margin: 0 auto;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.95);
        /* ডিফল্ট অবস্থায় প্রায় সলিড সাদা */
        padding: 16px 15px;
        /* border-bottom-left-radius: 20px;
        border-bottom-right-radius: 20px; */
        border: 1px solid transparent;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        transition: background-color 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    }

    /* স্ক্রল করার পর আরও স্বচ্ছ এবং সাদা গ্লাস ইফেক্ট */
    .mobile-header.scrolled {
        background: rgba(255, 255, 255, 0.45);
        /* আরও স্বচ্ছ করা হয়েছে */
        backdrop-filter: blur(16px);
        /* গ্লাসের ব্লার আরও বাড়ানো হয়েছে */
        -webkit-backdrop-filter: blur(16px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.9);
        /* উজ্জ্বল সাদা বর্ডার */
    }

    .header-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }

    .header-profile-info {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    /* নতুন কালারফুল এডমিন আইকন */
    .header-avatar {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        object-fit: cover;
        border: 2px solid #3b82f6;
        /* সুন্দর নীল বর্ডার */
        padding: 2px;
        /* বর্ডারের ভেতরে একটু ফাঁকা জায়গা */
        box-shadow: 0 3px 10px rgba(59, 130, 246, 0.2);
        background-color: #f8fafc;
    }

    /* সুন্দর টেক্সট স্টাইল */
    .header-details {
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .institute-name {
        font-family: 'Segoe UI', system-ui, sans-serif;
        font-size: 15px;
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: #1e293b;
        margin-bottom: 2px;
        line-height: 1.2;
    }

    .teacher-name {
        font-family: 'Segoe UI', system-ui, sans-serif;
        font-size: 13.5px;
        font-weight: 700;
        color: #3b82f6;
        /* এডমিনের নাম নীল রঙে হাইলাইট করা হলো */
        line-height: 1.2;
    }

    .teacher-mobile {
        font-family: 'Segoe UI', system-ui, sans-serif;
        font-size: 11px;
        font-weight: 600;
        color: #64748b;
        margin-top: 2px;
    }

    /* সুন্দর গ্রেডিয়েন্ট লগ আউট বাটন */
    .header-logout-btn {
        background: linear-gradient(135deg, #ef4444, #dc2626);
        color: white;
        border: none;
        padding: 8px 18px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
    }

    .header-logout-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
    }

    .header-spacer {
        height: 100px;
        width: 100%;
    }

      .filter-box {
            margin: 0px 0px 16px;
            background: #ffffff;
            padding: 5px;
            border-radius: 10px;
            box-shadow: 0 6px 16px rgba(0, 0, 0, .05);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .filter-box select,
        .filter-box input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 10px;
            border: 1px solid #e5e7eb;
            font-size: 14px;
            outline: none;
            background-color: #ffffff !important;  /* Pure white */
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            transition: all 0.3s ease;
        }

        .filter-box select:focus,
        .filter-box input:focus {
            border-color: #3498db !important;
            box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.15) !important;
        }

        .filter-box select option {
            background-color: #ffffff;
        }

        .filter-box button {
            padding: 10px 20px;
            border-radius: 14px;
            border: none;
            background: #3498db;
            color: #ffffff;
            cursor: pointer;
            font-size: 14px;
            transition: 0.3s;
        }

        .filter-box button:hover {
            background: #2980b9;
        }

 

/* Profile Card */
.profile{
    background:var(--card);
    margin:-42px 0px 10px;
    padding:10px;
    border-radius:15px;
    display:flex;
    gap:18px;
    align-items:center;
    box-shadow:0 12px 28px rgba(0,0,0,.1);
  }

  .avatar{
    width:52px;
    height:52px;
    border-radius:50%;
    background:#eef2ff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:24px;
  }

  .profile h3{
    margin:0;
    font-size:16px;
  }

  .profile span{
    font-size:12px;
    color:var(--muted);
  }

  /* Info Cards */
  .info-cards{
    padding:0 0px 0px;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
    margin-bottom: 10px;
  }

  .info-card{
    background:var(--card);
    border-radius:15px;
    padding:14px;
    display:flex;
    gap:12px;
    align-items:center;
    box-shadow:0 8px 22px rgba(0,0,0,.08);
  }

  .info-icon{
    width:42px;
    height:42px;
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
    color:#fff;
  }

  .info-card h4{
    margin:0;
    font-size:16px;
    font-weight:700;
  }

  .info-card p{
    margin:2px 0 0;
    font-size:11px;
    color:var(--muted);
  }

  /* Icon Colors */
  .blue .info-icon{
    background:linear-gradient(135deg,#3b82f6,#60a5fa);
  }
  .green .info-icon{
    background:linear-gradient(135deg,#22c55e,#4ade80);
  }
  .red .info-icon{
    background:linear-gradient(135deg,#ef4444,#f87171);
  }
  .purple .info-icon{
    background:linear-gradient(135deg,#8b5cf6,#a78bfa);
  }

  /* Menu Grid */
   .dashboard-container {
            padding: 5px 10px 5px 10px;
            /* Added bottom padding for footer space */
        }

        .menu-section {
            background: rgba(255, 255, 255, 0.45);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 16px;
            padding: 18px 12px;
            margin-bottom: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08); /* Section depth */
        }

        .menu-section-title {
            font-size: 13.5px;
            font-weight: 800;
            background: linear-gradient(135deg, #1e293b, #4f46e5);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.6);
            padding-bottom: 8px;
            padding-left: 5px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .menu-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px 10px;
        }

        /* Make the menu item itself the glass block */
        .menu-grid .menu-item {
            background: rgba(255, 255, 255, 0.3) !important; /* Transparent glass */
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.95) !important; /* Thin bright white border */
            border-radius: 16px;
            padding: 10px 0 0 0px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            height: 100%;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06), inset 0 2px 4px rgba(255, 255, 255, 0.5) !important;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .menu-grid .menu-item:hover {
            transform: translateY(-5px); /* Lift up effect */
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), inset 0 2px 6px rgba(255, 255, 255, 0.7) !important;
            background: rgba(255, 255, 255, 0.45) !important;
        }

        .menu-grid .menu-link {
            text-decoration: none;
            color: inherit;
        }

        .menu-grid .icon-wrapper {
            width: 46px;
            height: 46px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin: 0 auto;
            border-radius: 14px;
            box-shadow: none !important;
            border: none !important;
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
            transition: transform 0.3s ease;
        }

        .menu-grid .menu-item:hover .icon-wrapper {
            transform: scale(1.1);
        }

        .menu-grid p {
            font-size: 11px;
            font-weight: 700;
            text-align: center;
            margin-top: 4px;
            color: #374151;
            transition: color 0.3s ease;
        }
        
        .menu-grid .menu-item:hover p {
            color: #4f46e5;
        }

  /* Icon Background Colors (8 distinct colors) */
  .bg-batches{ background:rgba(239, 68, 68, 0.15) !important; color:#ef4444 !important; } /* Red */
  .bg-students{ background:rgba(59, 130, 246, 0.15) !important; color:#3b82f6 !important; } /* Blue */
  .bg-fees{ background:rgba(34, 197, 94, 0.15) !important; color:#22c55e !important; } /* Green */
  .bg-notes{ background:rgba(245, 158, 11, 0.15) !important; color:#f59e0b !important; } /* Amber */
  .bg-unpaid{ background:rgba(168, 85, 247, 0.15) !important; color:#a855f7 !important; } /* Purple */
  .bg-exam{ background:rgba(236, 72, 153, 0.15) !important; color:#ec4899 !important; } /* Pink */
  .bg-online{ background:rgba(20, 184, 166, 0.15) !important; color:#14b8a6 !important; } /* Teal */
  .bg-notice{ background:rgba(249, 115, 22, 0.15) !important; color:#f97316 !important; } /* Orange */
  .bg-settings{ background:rgba(99, 102, 241, 0.15) !important; color:#6366f1 !important; } /* Indigo */
  .bg-add{ background:rgba(16, 185, 129, 0.15) !important; color:#10b981 !important; } /* Emerald */
  

  /* Bottom Navigation */
  /* মেইন ন্যাভিগেশন বার - গ্লাস ইফেক্ট এবং ফুল উইডথ */
.bottom-nav {
  position: fixed;
  bottom: 0; 
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 420px; 
  height: 60px; 
  
  /* আরও স্বচ্ছ গ্লাস ইফেক্ট */
  background: rgba(255, 255, 255, 0.35); /* আগে 0.75 ছিল, এখন আরও স্বচ্ছ করা হয়েছে */
  backdrop-filter: blur(20px); /* ব্লার ইফেক্ট বাড়ানো হয়েছে যাতে গ্লাস ফিলটা ভালো আসে */
  -webkit-backdrop-filter: blur(20px); 
  
  /* গ্লাসের চকচকে বর্ডার এবং শ্যাডো */
  border-top: 1px solid rgba(255, 255, 255, 0.8); /* গ্লাসের উপরের দিকের রিফ্লেকশন */
  border-left: 1px solid rgba(255, 255, 255, 0.4); /* সাইডে হালকা গ্লেজ */
  border-right: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 10px 10px 0 0; 
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.1); /* শ্যাডোটা আরেকটু সফট এবং ছড়ানো করা হয়েছে */
  
  display: flex;
  justify-content: space-around; 
  align-items: center;
  z-index: 1000; 
  padding-bottom: env(safe-area-inset-bottom); 
}

/* ন্যাভিগেশনের ভেতরের আইটেম */
.nav {
  flex: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 500;
  color: #888; /* আপনার var(--muted) ব্যবহার করতে পারেন */
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

/* আইকন ডিজাইন */
.nav i, .nav span.icon {
  font-size: 200px;
  margin-bottom: 4px;
  transition: all 0.3s ease;
}

/* অ্যাক্টিভ (সিলেক্টেড) মেনুর স্টাইল */
.active {
  color: #4F46E5; /* আপনার ওয়েবসাইটের প্রাইমারি কালার বা var(--primary) দিন */
}

/* অ্যাক্টিভ মেনুর আইকনে একটু লাফানো (পপ) ইফেক্ট */
.active i, .active span.icon {
  transform: translateY(-3px); 
  filter: drop-shadow(0 4px 6px rgba(79, 70, 229, 0.4)); /* আইকনে কালারফুল গ্লো */
}

  /* Batch List */
 /* List */


  /* Batch link */
  .batch-link{
    text-decoration:none;
    color:inherit;
  }

  .batch{
    background:var(--card);
    border-radius:18px;
    padding:14px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    box-shadow:0 10px 24px rgba(0,0,0,.08);
  }

  .batch-left{
    display:flex;
    gap:12px;
    align-items:center;
  }

  .batch-icon{
    width:42px;
    height:42px;
    border-radius:12px;
    background:linear-gradient(135deg,#22c55e,#4ade80);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:18px;
  }

  .batch-name{
    font-size:14px;
    font-weight:600;
  }

  .batch-status{
    font-size:11px;
    color:var(--muted);
  }

  /* Actions */
  .actions{
    display:flex;
    gap:10px;
    align-items:center;
  }

  .toggle{
    width:40px;
    height:20px;
    border-radius:20px;
    background:#ddd;
    position:relative;
    cursor:pointer;
  }

  .toggle.active{ background:var(--success); }

  .toggle span{
    position:absolute;
    top:2px;
    left:2px;
    width:16px;
    height:16px;
    background:#fff;
    border-radius:50%;
    transition:.2s;
  }

  .toggle.active span{ left:22px; }

  .delete{
    font-size:17px;
    color:var(--danger);
    cursor:pointer;
  }

  /* Create batch button */
  .create-btn{
    margin:12px 16px 0;
    padding:10px 14px;
    background:linear-gradient(135deg,#6366f1,#818cf8);
    border-radius:14px;
    color:#fff;
    font-size:13px;
    font-weight:600;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    cursor:pointer;
    box-shadow:0 8px 20px rgba(0,0,0,.15);
  }

  /* Overlay */
  .overlay{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.4);
    display:none;
    z-index:90;
  }




  /* Student list */


 
  
  .avatar{
    width:46px;
    height:46px;
    border-radius:14px;
    background:linear-gradient(135deg,#22c55e,#4ade80);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
  }

  .info{
    flex:1;
  }

  .info h4{
    margin:0;
    font-size:14px;
    font-weight:600;
  }

  .info p{
    margin:2px 0 0;
    font-size:11px;
    color:var(--muted);
    line-height:1.4;
  }

  .actions{
    display:flex;
    gap:8px;
  }

  .action-btn{
    width:28px;
    height:28px;
    border-radius:8px;
    background:#eef2ff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:14px;
  }

  .action-btn.delete{
    background:#fee2e2;
    color:var(--danger);
  }



  /* Form Card */
.form-card{
    background:var(--card);
    margin:10px 5px 16px; /* -30 না */
    padding:18px;
    border-radius:22px;
    box-shadow:0 12px 28px rgba(0,0,0,.1);
  }


  /* Inputs */
  .group{
    margin-bottom:14px;
  }

  .group label{
    display:block;
    font-size:12px;
    color:var(--muted);
    margin-bottom:6px;
  }

  .group input,
  .group select{
    width:100%;
    padding:12px;
    border-radius:12px;
    border:1px solid #ddd;
    font-size:14px;
    background:#fff;
  }

  .group input:focus,
  .group select:focus{
    outline:none;
    border-color:var(--primary);
  }

  /* Button */
  .btn{
    margin-top:6px;
    width:100%;
    padding:12px;
    border:none;
    border-radius:14px;
    background:linear-gradient(135deg,#6366f1,#818cf8);
    color:#fff;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
  }


  /* List */

  

  /* Student Card */
 
  
  /* Left Section */
  .left{
    display:flex;
    gap:12px;
    align-items:center;
    flex:1;
  }


  /* Info */
  .info h4{
    margin:0;
    font-size:15px;
    font-weight:700;
    color:var(--text);
  }

  .meta{
    margin-top:4px;
    font-size:12px;
    color:var(--muted);
    line-height:1.4;
  }

  /* Right Side Actions */
  .actions{
    display:flex;
    align-items:center;
    gap:10px;
  }

  /* Icon Buttons */
  .icon-btn{
    width:34px;
    height:34px;
    border-radius:10px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:15px;
    cursor:pointer;
    background:#eef2ff;
    color:var(--primary);
    transition:.2s;
  }

  .icon-btn:active{
    transform:scale(.9);
  }

  /* Toggle */
  .switch{
    position:relative;
    width:42px;
    height:22px;
  }

  .switch input{
    display:none;
  }

  .slider{
    position:absolute;
    inset:0;
    background:#ddd;
    border-radius:20px;
    transition:.3s;
  }

  .slider:before{
    content:"";
    position:absolute;
    height:16px;
    width:16px;
    left:3px;
    top:3px;
    background:#fff;
    border-radius:50%;
    transition:.3s;
  }

  input:checked + .slider{
    background:var(--success);
  }

  input:checked + .slider:before{
    transform:translateX(20px);
  }


  /* Fee page */
  /* Filter */
.filter{
    margin:-20px 16px 16px;
    background:var(--card);
    padding:14px;
    border-radius:18px;
    box-shadow:0 10px 24px rgba(0,0,0,.08);
  }

  .filter label{
    font-size:12px;
    color:var(--muted);
  }

  .filter select{
    margin-top:6px;
    width:100%;
    padding:10px;
    border-radius:12px;
    border:1px solid #ddd;
    font-size:14px;
  }

  /* List */
 
  

  /* Student card */
 
  

  /* Avatar */
  .avatar{
    width:46px;
    height:46px;
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
    color:#fff;
    flex-shrink:0;
  }
  .avatar.paid{background:linear-gradient(135deg,#22c55e,#4ade80);}
  .avatar.unpaid{background:linear-gradient(135deg,#f59e0b,#fbbf24);}

  /* Info */
  .info{
    flex:1;
  }
  .info h4{
    margin:0;
    font-size:14px;
    font-weight:600;
  }
  .info p{
    margin:2px 0 0;
    font-size:11px;
    color:var(--muted);
  }

  /* Right */
  .right{
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:6px;
  }

  .status{
    font-size:11px;
    font-weight:600;
  }
  .status.paid{color:var(--success);}
  .status.unpaid{color:var(--danger);}

  .action-btn{
    padding:4px 10px;
    font-size:11px;
    border:none;
    border-radius:8px;
    cursor:pointer;
  }
  .action-btn.paid{
    background:var(--primary);
    color:#fff;
  }
  .action-btn.unpaid{
    background:#e5e7eb;
    color:#6b7280;
  }

  /* Fee collection */
  /* Student box */
.student-box{
    background:#fff;
    margin:5px 5px 10px;
    padding:10px;
    border-radius:10px;
    box-shadow:0 10px 25px rgba(0,0,0,.05);
    text-align:center;
    line-height:1;
  }

  .student-box h3{font-size:18px;color:var(--text-dark);}
  .student-box p{font-size:13px;color:var(--text-muted);margin-top:4px;}

  /* Summary */

  .summary{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:12px;
    padding:0 5px 20px;
  }

  .stat{
    background:#fff;
    padding:15px;
    border-radius:10px;
    text-align:center;
  }

  .stat small{font-size:11px;color:var(--text-muted);}
  .stat b{font-size:16px;color:var(--primary);}

  /* List */
  .list-label{
    padding:0 25px 12px;
    font-size:15px;
    font-weight:700;
    color:var(--text-dark);
  }

 

  .payment-card{
    background:#fff;
    padding:16px;
    border-radius:20px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    box-shadow:0 4px 12px rgba(0,0,0,.03);
  }

  .p-info h4{font-size:15px;color:var(--text-dark);}
  .p-info span{font-size:12px;color:var(--text-muted);}

  .p-amount{text-align:right;}
  .p-amount b{font-size:16px;}
  .status{
    font-size:10px;
    background:#dcfce7;
    color:#16a34a;
    padding:2px 8px;
    border-radius:6px;
    font-weight:700;
  }

  .action-btn.unpaid{
   text-decoration: none;
   padding: 4px 40px    ;
   border-radius:8px;
   font-size:11px;
   font-weight:700;
   background:var(--danger);
   color:#fff;
   border:none;
   transition:.2s;

  }
  .action-btn.paid{
    text-decoration: none;
    padding: 4px 40px    ;
    border-radius:8px;
    font-size:11px;
    font-weight:700;
    background:var(--success);
    color:#fff;
    border:none;
    transition:.2s;


   }

  /* FLOATING PLUS BUTTON */


  /* Overlay + Form */
  .overlay{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.5);
    backdrop-filter:blur(3px);
    display:none;
    z-index:101;
  }

  .form-sheet{
    position:fixed;
    top:50%;
    left:50%;
    transform:translate(-50%, -50%) scale(0.9);
    opacity:0;
    pointer-events:none;
    width:90%;
    max-width:430px;
    background:#fff;
    padding:30px 25px;
    border-radius:24px;
    transition:.4s ease;
    z-index:10000;
  }

  .form-sheet.active{
    transform:translate(-50%, -50%) scale(1);
    opacity:1;
    pointer-events:auto;
  }
  .overlay.active{display:block;}

  .form-sheet h3{margin-bottom:20px;font-size:18px;}

  .input-group{margin-bottom:15px;}
  .input-group label{
    font-size:12px;
    color:var(--text-muted);
    margin-bottom:5px;
    display:block;
  }

  .input-group input,
  .input-group select{
    width:100%;
    padding:14px;
    border-radius:15px;
    border:1px solid #e5e7eb;
    font-size:15px;
  }

  .submit-btn{
    width:100%;
    padding:16px;
    background:var(--primary);
    color:#fff;
    border:none;
    border-radius:15px;
    font-weight:700;
  }

/* Notes page */



  .note-card{
    background:#fff;
    border-radius:22px;
    padding:14px;
    box-shadow:0 6px 16px rgba(0,0,0,.05);
    
  }

  .note-info{
    flex:1;
  }

  .note-title{
    font-size:14px;
    font-weight:700;
    color:var(--text);
  }

  .note-meta{
    font-size:12px;
    color:var(--muted);
    margin:4px 0;
  }

  .note-desc{
    font-size:12px;
    color:#374151;
    line-height:1.4;
  }

  /* Right icons */
  .note-actions{
    display:flex;
    flex-direction:row;
    gap:8px;
  }

  .icon-btn{
    width:32px;
    height:32px;
    border-radius:12px;
    background:#eef2ff;
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    font-size:15px;
  }



  /* Floating Add Button */
  .add-btn{
    position:fixed;
    bottom:110px;
    right:calc((100% - 430px)/2 + 20px);
    width:56px;
    height:56px;
    border-radius:50%;
    background:linear-gradient(135deg,#4f46e5,#7c3aed);
    color:#fff;
    font-size:28px;
    border:none;
    cursor:pointer;
    box-shadow:0 10px 25px rgba(79,70,229,.3);
  }

  /* Add Note page */
  /* Form */

  


  .input-group{
    margin-bottom:16px;
  }

  .input-group label{
    font-size:12px;
    color:var(--muted);
    display:block;
    margin-bottom:6px;
  }

  .input-group input,
  .input-group select,
  .input-group textarea{
    width:100%;
    padding:14px;
    border-radius:16px;
    border:1px solid #e5e7eb;
    font-size:14px;
    outline:none;
  }

  .input-group textarea{
    resize:none;
    min-height:70px;
  }

  /* Custom File Upload */
  .file-box{
    border:2px dashed #d1d5db;
    padding:18px;
    border-radius:18px;
    text-align:center;
    background:#f9fafb;
    font-size:13px;
    color:var(--muted);
    cursor:pointer;
  }

  .file-box input{
    display:none;
  }

  .file-box:hover{
    border-color:var(--primary);
    color:var(--primary);
  }

  /* Submit Button */
  .submit{
    width:100%;
    padding:16px;
    background:linear-gradient(135deg,#4f46e5,#7c3aed);
    color:#fff;
    border:none;
    border-radius:18px;
    font-size:15px;
    font-weight:700;
    margin-top:6px;
    cursor:pointer;
  }

  /* Student list */


  /* Student card */
  .student{
    background:var(--card);
    border-radius:18px;
    padding:12px;
    display:flex;
    align-items:center;
    gap:12px;
    box-shadow:0 10px 24px rgba(0,0,0,.08);
  }

  /* Avatar */
  .avatar{
    width:46px;
    height:46px;
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
    color:#fff;
    flex-shrink:0;
  }
  .avatar.active{ background:linear-gradient(135deg,#22c55e,#4ade80); }
  .avatar.inactive{ background:linear-gradient(135deg,#f59e0b,#fbbf24); }

  /* Info */
  .info{
    flex:1;
  }
  .info h4{
    margin:0;
    font-size:14px;
    font-weight:600;
  }
  .info p{
    margin:2px 0 0;
    font-size:11px;
    color:var(--muted);
  }

  /* Status + Action */
  .right{
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:6px;
  }

  .status{
    font-size:11px;
    font-weight:600;
  }
  .paid{ color:var(--success); }
  .unpaid{ color:var(--danger); }

  /* SMS Button */
  .sms-btn{
    padding:4px 10px;
    font-size:11px;
    border-radius:8px;
    border:none;
    cursor:pointer;
  }
  .sms-btn.active{
    background:var(--primary);
    color:#fff;
  }
  .sms-btn.disabled{
    background:#e5e7eb;
    color:#9ca3af;
    cursor:not-allowed;
  }
/* Home Work */



  .home_card{
    background:#fff;
    border-radius:15px;
    margin: -10px 0px;
    padding:10px;
    box-shadow:0 6px 16px rgba(0,0,0,.05);
    display:flex;
    justify-content:space-between;
    gap:10px;
  }

  .home_card-info{
    flex:1;
  }

  .home_card-info h4{
    font-size:14px;
    font-weight:700;
    color:var(--text);
  }

  .meta{
    font-size:12px;
    color:var(--muted);
    margin:4px 0;
  }

  .preview{
    font-size:12px;
    color:#374151;
    line-height:1.4;
    display:-webkit-box;
    -webkit-line-clamp:3;
    line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }

  .view-btn{
    width:34px;
    height:34px;
    border-radius:12px;
    background:#eef2ff;
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    font-size:16px;
  }

  /* Home Work Create */
  
  

  .input-group{
    margin-bottom:16px;
  }

  .input-group label{
    font-size:12px;
    color:var(--muted);
    margin-bottom:6px;
    display:block;
  }

  .input-group input,
  .input-group textarea,
  .input-group select{
    width:100%;
    padding:13px;
    border-radius:14px;
    border:1px solid #e5e7eb;
    font-size:14px;
    outline:none;
  }

  .input-group textarea{
    resize:none;
  }

  /* Custom File Upload */
  .file-box{
    border:2px dashed #d1d5db;
    padding:18px;
    border-radius:18px;
    text-align:center;
    background:#f9fafb;
    font-size:13px;
    color:var(--muted);
    cursor:pointer;
    transition:.3s;
  }

  .file-box:hover{
    border-color:var(--primary);
    color:var(--primary);
  }

  .file-box input{
    display:none;
  }

  /* Extra Info Badge */
  .badge{
    font-size:11px;
    background:#eef2ff;
    color:var(--primary);
    padding:4px 10px;
    border-radius:20px;
    display:inline-block;
    margin-top:6px;
  }

  /* Submit */
  .submit-btn{
    width:100%;
    padding:15px;
    border:none;
    border-radius:18px;
    background:linear-gradient(135deg,#4f46e5,#7c3aed);
    color:#fff;
    font-weight:700;
    font-size:15px;
    cursor:pointer;
    margin-top:8px;
  }

  /* Video Class */
  /* Class List */
.list{
    padding:16px 0px;
    display:flex;
    flex-direction:column;
    gap:10px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }



  .class-card{
    background:#fff;
    border-radius:18px;
    padding:12px 14px;
    box-shadow:0 6px 16px rgba(0,0,0,.05);
  }

  .class-row{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    gap:10px;
  }

  .class-title{
    font-size:14px;
    font-weight:700;
    color:var(--text);
  }

  .class-meta{
    margin-top:4px;
    font-size:11px;
    color:var(--muted);
    line-height:1.4;
  }

  .view-btn{
    width:34px;
    height:34px;
    background:#eef2ff;
    color:var(--primary);
    border-radius:10px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:16px;
    cursor:pointer;
  }


  /* Add Class FAB */


  /* Video Modal */
  .overlay{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.6);
    display:none;
    z-index:100;
  }

  .modal{
    position:fixed;
    bottom:-100%;
    left:50%;
    transform:translateX(-50%);
    width:100%;
    max-width:430px;
    background:#000;
    border-top-left-radius:24px;
    border-top-right-radius:24px;
    transition:.4s;
    z-index:1000;
  }

  .modal.active{bottom:0;}
  .overlay.active{display:block;}

  .modal-header{
    background:#111;
    color:#fff;
    padding:12px 16px;
    display:flex;
    justify-content:space-between;
    align-items:center;
  }

  .close{font-size:20px;cursor:pointer;}

  .video-wrap{
    width:100%;
    aspect-ratio:16/9;
  }

  .video-wrap iframe{
    width:100%;
    height:100%;
    border:none;
  }
/* Video Class Create */
/* Form Card */



  /* Title */
  .form-title{
    font-size:16px;
    font-weight:700;
    color:var(--text);
    margin-bottom:16px;
  }

  /* Input group */
  .input-group{
    margin-bottom:14px;
  }

  .input-group label{
    font-size:12px;
    color:var(--muted);
    display:block;
    margin-bottom:6px;
  }

  .input-group input,
  .input-group select{
    width:100%;
    padding:14px;
    border-radius:16px;
    border:1px solid #e5e7eb;
    font-size:14px;
    outline:none;
  }

  /* Submit */
  .submit-btn{
    margin-top:10px;
    width:100%;
    padding:16px;
    background:linear-gradient(135deg,#4f46e5,#7c3aed);
    color:#fff;
    border:none;
    border-radius:18px;
    font-size:15px;
    font-weight:700;
    cursor:pointer;
    box-shadow:0 12px 24px rgba(79,70,229,.3);
  }

  /* Helper text */
  .helper{
    font-size:11px;
    color:var(--muted);
    margin-top:4px;
  }

  /* Notice */
  /* Notice Box */
.notice-box{
    margin:0;
    background:#fff;
    border-radius:10px;
    padding:18px;
    box-shadow:0 10px 24px rgba(0,0,0,.06);
  }

  .notice-box h4{
    font-size:15px;
    font-weight:700;
    color:var(--text);
    margin-bottom:6px;
  }

  .notice-box small{
    font-size:12px;
    color:var(--muted);
  }

  .notice-box textarea{
    width:100%;
    margin-top:10px;
    padding:14px;
    border-radius:16px;
    border:1px solid #e5e7eb;
    font-size:14px;
    min-height:180px; /* ⬅ bigger */
    resize:none;
    outline:none;
  }

  /* Slim Send Button */
  .send-btn{
    margin:16px 20px 0;
    display:flex;
    justify-content:flex-end;
  }

  .send-btn button{
    padding:10px 16px;
    background:linear-gradient(135deg,#4f46e5,#7c3aed);
    color:#fff;
    border:none;
    border-radius:14px;
    font-size:13px;
    font-weight:700;
    cursor:pointer;
    display:flex;
    align-items:center;
    gap:6px;
    box-shadow:0 8px 18px rgba(79,70,229,.25);
  }

  /* Setting */
  /* Section */
.section{
    padding:5px;
    display:flex;
    flex-direction:column;
    gap:14px;
  }

  .sms-box{
    background:#fff;
    border-radius:20px;
    padding:16px;
    box-shadow:0 8px 20px rgba(0,0,0,.06);
  }

  .sms-box h4{
    font-size:14px;
    font-weight:700;
    color:var(--text);
    margin-bottom:6px;
  }

  .sms-box small{
    font-size:11px;
    color:var(--muted);
  }

  .sms-box textarea{
    width:100%;
    margin-top:8px;
    padding:12px;
    border-radius:14px;
    border:1px solid #e5e7eb;
    font-size:13px;
    resize:none;
    min-height:80px;
    outline:none;
  }

  /* Update Button */
  .update-btn{
    margin:0 20px 20px;
    padding:8px;
    background:linear-gradient(135deg,#4f46e5,#7c3aed);
    color:#fff;
    text-align:center;
    border-radius:18px;
    font-weight:700;
    cursor:pointer;
    box-shadow:0 10px 20px rgba(79,70,229,.25);
  }

  /* MCQ */
  .card{
  background:var(--card);
  margin: 5px 5px 5px;
  padding:10px;
  border-radius:16px;
  box-shadow:0 8px 20px rgba(0,0,0,.08);
}

/* Compact Table */
table.dataTable{
  font-size:12px;
}

table.dataTable thead th{
  padding:7px 6px;
  font-size:12px;
}

table.dataTable tbody td{
  padding:8px 6px;
  font-size:12px;
  line-height:1.3;
  vertical-align:middle;
}

/* Action Icons */
.action-box{
  display:flex;
  gap:6px;
}

.icon-btn{
  width:26px;
  height:26px;
  border-radius:6px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

.edit{
  background:#eef2ff;
  color:var(--primary);
}

.delete{
  background:#fee2e2;
  color:var(--danger);
}

.icon-btn svg{
  width:14px;
  height:14px;
  fill:currentColor;
}

/* Pagination smaller */
.dataTables_wrapper .dataTables_paginate{
  font-size:12px;
}

.dataTables_wrapper .dataTables_info{
  font-size:12px;
}

/* MCQ */
/* Form Card */



/* Input Group */
.input-group{
  margin-bottom:14px;
}

.input-group label{
  font-size:12px;
  color:var(--muted);
  display:block;
  margin-bottom:6px;
}

.input-group input,
.input-group select,
.input-group textarea{
  width:100%;
  padding:12px;
  border-radius:14px;
  border:1px solid #e5e7eb;
  font-size:14px;
  outline:none;
}

textarea{
  resize:none;
  min-height:100px;
}

/* Option Section */
.option-title{
  font-size:13px;
  font-weight:600;
  margin:10px 0;
}

.option-card{
  display:flex;
  align-items:center;
  gap:10px;
  background:#f9fafb;
  padding:10px;
  border-radius:14px;
  border:1px solid #e5e7eb;
  margin-bottom:10px;
  transition:.2s;
}

.option-card.active{
  border:2px solid var(--success);
  background:#f0fdf4;
}

.option-label{
  width:30px;
  height:30px;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
}

.option-input{
  flex:1;
}

.option-input input{
  width:100%;
  padding:8px;
  border-radius:8px;
  border:1px solid #d1d5db;
  font-size:13px;
}

.option-radio input{
  width:18px;
  height:18px;
  accent-color:var(--success);
  cursor:pointer;
}

/* Submit */
.submit-btn{
  margin-top:12px;
  width:100%;
  padding:14px;
  background:linear-gradient(135deg,#6366f1,#818cf8);
  color:#fff;
  border:none;
  border-radius:16px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:.2s;
}

.submit-btn:active{
  transform:scale(.97);
}

/* Exam Link */
/* Header */



/* Info Line */
.info-line{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:12px;
}

/* URL Box */
.url-box{
  display:flex;
  align-items:center;
  gap:10px;
  background:#f9fafb;
  padding:12px;
  border-radius:14px;
  border:1px solid #e5e7eb;
}

.url-text{
  flex:1;
  font-size:13px;
  color:var(--text);
  word-break:break-all;
}

/* Copy Button */
.copy-btn{
  width:36px;
  height:36px;
  border-radius:10px;
  background:linear-gradient(135deg,#4f46e5,#7c3aed);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  flex-shrink:0;
  transition:.2s;
}

.copy-btn:active{
  transform:scale(.95);
}

.copy-btn svg{
  width:18px;
  height:18px;
  fill:currentColor;
}

/* Toast */
.toast{
  position:fixed;
  bottom:20px;
  left:50%;
  transform:translateX(-50%) translateY(20px);
  background:#10b981;
  color:#fff;
  padding:10px 20px;
  border-radius:12px;
  font-size:13px;
  opacity:0;
  transition:.3s;
  z-index:9999;
}

.toast.show{
  opacity:1;
  transform:translateX(-50%) translateY(0);
}

/* Student View Styles */
.list_student {
    padding: 0 0px 8px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sv-student {
    background: var(--card);
    border-radius: 16px;
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 8px 16px rgba(0,0,0,0.06);
    transition: transform 0.2s;
}

.sv-student:active {
    transform: scale(0.98);
}

.sv-left {
    display: flex;
    gap: 12px;
    align-items: center;
    flex: 1;
}

.sv-avatar {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.sv-info {
    flex: 1;
}

.sv-info h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.sv-meta {
    margin-top: 4px;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.4;
}

.sv-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Toggle Switch for Student View */
.sv-switch {
    position: relative;
    width: 42px;
    height: 22px;
    display: inline-block;
}

.sv-switch input {
    display: none;
}

.sv-slider {
    position: absolute;
    inset: 0;
    background: #e5e7eb;
    border-radius: 22px;
    transition: 0.3s;
    cursor: pointer;
}

.sv-slider:before {
    content: "";
    position: absolute;
    height: 16px;
    width: 16px;
    left: 3px;
    top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.sv-switch input:checked + .sv-slider {
    background: var(--success);
}

.sv-switch input:checked + .sv-slider:before {
    transform: translateX(20px);
}

/* Icon Buttons */
.sv-icon-btn {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    cursor: pointer;
    transition: 0.2s;
}

.sv-call-btn {
    background: #e0f2fe;
    color: #0284c7;
}

.sv-sms-btn {
    background: #fef3c7;
    color: #d97706;
}

.sv-icon-btn:active {
    transform: scale(0.9);
}

/* Floating Action Button (FAB) */
.fab {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #6366f1, #818cf8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    z-index: 100;
    transition: transform 0.2s, box-shadow 0.2s;
}

.fab::before {
    content: "➕";
}

.fab:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

/* Student List (index.blade.php) Styles */
.sl-student {
    background: var(--card);
    border-radius: 16px;
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 8px 16px rgba(0,0,0,0.06);
    transition: transform 0.2s;
}

.sl-student:active {
    transform: scale(0.98);
}

.sl-left-area {
    display: flex;
    gap: 12px;
    align-items: center;
    flex: 1;
}

.sl-avatar {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.sl-info {
    flex: 1;
}

.sl-info h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.sl-info p {
    margin: 4px 0 0;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sl-status {
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 600;
}

.sl-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sl-icon-btn {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    cursor: pointer;
    transition: transform 0.2s;
}

.sl-icon-btn:active {
    transform: scale(0.9);
}

.sl-btn-edit {
    background: #e0f2fe;
    color: #0284c7;
}

.sl-btn-delete {
    background: #fee2e2;
    color: #ef4444;
}

/* Edit Sheet / Overlay */
.sl-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: none;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.sl-overlay.show {
    display: block;
}

.sl-sheet {
    position: fixed;
    bottom: -100%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-top-left-radius: 24px;
    border-top-right-radius: 24px;
    padding: 20px;
    transition: bottom 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    box-shadow: 0 -10px 40px rgba(0,0,0,0.1);
}

.sl-sheet.show {
    bottom: 0;
}

.sl-sheet h3 {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    color: var(--text);
}

.sl-group {
    margin-bottom: 12px;
}

.sl-group label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 4px;
    font-weight: 600;
}

.sl-group input,
.sl-group select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    font-size: 14px;
    background: #f9fafb;
    transition: border-color 0.2s;
}

.sl-group input:focus,
.sl-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
}

.sl-sheet button {
    width: 100%;
    margin-top: 10px;
    padding: 12px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #6366f1, #818cf8);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.sl-sheet button:active {
    transform: scale(0.98);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* Homework List (home_work/index.blade.php) Styles */
.list_home_work {
    padding: 0 0 10px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.home_card {
    background: var(--card);
    border-radius: 18px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
    overflow: hidden;
}

.home_card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(to bottom, #8b5cf6, #3b82f6);
    border-radius: 18px 0 0 18px;
}

.home_card:active {
    transform: scale(0.98);
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.home_card-info {
    flex: 1;
    padding-left: 8px; /* Room for the colored border */
}

.hw-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.hw-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, #e0e7ff, #f3e8ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 2px 6px rgba(139, 92, 246, 0.1);
}

.hw-header h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.hw-meta {
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.hw-preview {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    background: #f8fafc;
    padding: 8px 12px;
    border-radius: 10px;
    margin-right: 12px;
    border: 1px solid #f1f5f9;
}

.hw-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hw-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.hw-icon-btn:active {
    transform: scale(0.9);
}

.hw-view {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    color: white;
}

.hw-view:active {
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.hw-delete {
    background: #fee2e2;
    color: #ef4444;
}

.hw-delete:active {
    background: #fca5a5;
}

/* Video Class List (video_class/index.blade.php) Styles */
.list_video_class {
    padding: 0 0px 10px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.vc-card {
    background: var(--card);
    border-radius: 18px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
    overflow: hidden;
}

.vc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(to bottom, #ec4899, #f43f5e); /* Beautiful pink/rose gradient */
    border-radius: 18px 0 0 18px;
}

.vc-card:active {
    transform: scale(0.98);
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.vc-card-info {
    flex: 1;
    padding-left: 8px;
}

.vc-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.vc-header h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.vc-batch-label {
    font-size: 0.85em;
    color: #e11d48;
    background: #ffe4e6;
    padding: 2px 6px;
    border-radius: 6px;
    margin-left: 4px;
    font-weight: 600;
}

.vc-meta {
    font-size: 12px;
    color: #ec4899;
    font-weight: 600;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.vc-preview {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    background: #f8fafc;
    padding: 8px 12px;
    border-radius: 10px;
    margin-right: 12px;
    border: 1px solid #f1f5f9;
}

.vc-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.vc-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.vc-icon-btn:active {
    transform: scale(0.9);
}

.vc-view {
    background: linear-gradient(135deg, #10b981, #34d399); /* Emerald gradient for Play/View */
    color: white;
}

.vc-view:active {
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3);
}

.vc-delete {
    background: #fee2e2;
    color: #ef4444;
}

.vc-delete:active {
    background: #fca5a5;
}

/* Modal specific for video class */
.vc-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    display: none;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.vc-overlay.vc-active {
    display: block;
}

.vc-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%;
    max-width: 400px;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.vc-modal.vc-active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.vc-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    font-weight: 700;
    font-size: 16px;
    color: #1e293b;
}

.vc-close {
    width: 28px;
    height: 28px;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    font-size: 12px;
    color: #475569;
    transition: 0.2s;
}

.vc-close:hover {
    background: #cbd5e1;
    color: #0f172a;
}

.vc-video-wrap {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 ratio */
    height: 0;
    background: #000;
}

.vc-video-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Online Class List (online_class/index.blade.php) Styles */
.list_online_class {
    padding: 0 0px 10px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.oc-card {
    background: var(--card);
    border-radius: 18px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
    overflow: hidden;
}

.oc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(to bottom, #14b8a6, #0ea5e9); /* Beautiful Teal/Cyan gradient */
    border-radius: 18px 0 0 18px;
}

.oc-card:active {
    transform: scale(0.98);
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.oc-card-info {
    flex: 1;
    padding-left: 8px;
}

.oc-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.oc-header h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.oc-meta {
    font-size: 12px;
    color: #0d9488;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.oc-preview {
    font-size: 13px;
    padding-top: 5px;
}

.oc-meet-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f0fdfa;
    color: #0f766e;
    padding: 6px 12px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid #ccfbf1;
    transition: background 0.2s;
}

.oc-meet-link:active {
    background: #ccfbf1;
}

.oc-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.oc-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.oc-icon-btn:active {
    transform: scale(0.9);
}

.oc-edit {
    background: linear-gradient(135deg, #0ea5e9, #38bdf8); /* Blue gradient for Edit */
    color: white;
}

.oc-edit:active {
    box-shadow: 0 2px 4px rgba(14, 165, 233, 0.3);
}

.oc-delete {
    background: #fee2e2;
    color: #ef4444;
}

.oc-delete:active {
    background: #fca5a5;
}

/* Payment Settings (payment/index.blade.php) Styles */
.list_payment {
    padding: 0 0px 10px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pay-header {
    text-align: center;
    margin-bottom: 20px;
    padding: 0 16px;
}

.pay-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.pay-header p {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 0px;
}

.pay-card {
    background: var(--card);
    border-radius: 18px;
    padding: 20px;
    margin-bottom: 20px;
    margin-left: 16px;
    margin-right: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    border: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
    overflow: hidden;
}

.pay-bkash::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 6px; height: 100%;
    background: #e2136e; /* bKash Corporate Color */
    border-radius: 18px 0 0 18px;
}

.pay-nagad::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 6px; height: 100%;
    background: #f36f21; /* Nagad Corporate Color */
    border-radius: 18px 0 0 18px;
}

.pay-card-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.pay-logo {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.pay-bkash .pay-logo {
    background: #fdf2f8;
    color: #e2136e;
}

.pay-nagad .pay-logo {
    background: #fff7ed;
    color: #f36f21;
}

.pay-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.pay-input-group input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    background: #f8fafc;
    transition: all 0.2s;
    letter-spacing: 1px;
}

.pay-input-group input:focus {
    outline: none;
    border-color: #6366f1;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.pay-submit-btn {
    width: calc(100% - 32px);
    margin-left: 16px;
    margin-right: 16px;
    padding: 16px;
    border-radius: 16px;
    border: none;
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
    transition: all 0.2s;
}

.pay-submit-btn:active {
    transform: scale(0.98);
}

.pay-toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: #10b981;
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
    transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.pay-toast.show {
    bottom: 80px; 
}

/* Copy Link Settings (exam/link_view.blade.php) Styles */
.link-list-container {
    padding: 0 0 10px;
    background-color: var(--background);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.link-list-item {
    background: var(--card);
    border-radius: 16px;
    padding: 18px 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(229, 231, 235, 0.5);
    margin: 0 16px;
}

.link-list-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.link-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    min-width: 0;
    margin-right: 15px;
}

.link-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 6px;
}

.link-title::before {
    content: '📌';
    font-size: 14px;
}

.link-url-wrapper {
    background: #f8fafc;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px dashed #cbd5e1;
}

.link-url {
    font-size: 13px;
    color: #3b82f6;
    font-weight: 500;
    word-break: break-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.copy-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 12px;
    border: none;
    background: #ecfdf5;
    color: #10b981;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.copy-button svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.copy-button:hover {
    background: #10b981;
    color: #ffffff;
    transform: scale(1.08);
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.2);
}

.copy-button:active {
    transform: scale(0.95);
}

/* Corrected Copy Alert UI animating from the bottom */
.copy-toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: #10b981;
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
    transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.copy-toast.show {
    bottom: 80px; 
}

 .sms-balance-tag {
            -webkit-text-fill-color: initial;
            background: rgba(255, 255, 255, 0.7);
            color: #000;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            margin-top: -3px;
            font-weight: 600;
            border: 1px solid rgba(0, 0, 0, 0.1);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
            backdrop-filter: blur(5px);
            transition: all 0.3s ease;
            float: right;
        }

        .sms-balance-tag.error {
            background: rgba(255, 65, 108, 0.1);
            color: #ff416c;
            border-color: rgba(255, 65, 108, 0.3);
            box-shadow: 0 2px 4px rgba(255, 65, 108, 0.1);
        }

/* --- Shared CSS for Batch and Class --- */
.batch-wrapper {
    margin-bottom: 15px;
    background: #fff;
    padding: 15px;
    border-radius: 16px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.batch {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.batch-icon-wrap {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: #e8f8f5;
    margin-right: 15px;
}

.icon-1 { background: #e8f8f5; }
.icon-2 { background: #fef9e7; }
.icon-3 { background: #ebf5fb; }
.icon-4 { background: #fdf2e9; }
.icon-5 { background: #f4ecf8; }
.icon-6 { background: #eaeded; }

.batch-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.batch-name {
    font-size: 16px;
    font-weight: 700;
    color: #2c3e50;
}

.batch-meta {
    font-size: 13px;
    color: #7f8c8d;
    font-weight: 500;
}

.batch-status {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 6px;
    display: inline-block;
    width: max-content;
    font-weight: 600;
}

.batch-status:contains('Active') {
    background: #e8f8f5;
    color: #27ae60;
}

.actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Toggle Switch styling */
.toggle-switch {
    position: relative;
    width: 36px;
    height: 20px;
    background-color: #bdc3c7;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    outline: none;
    transition: background-color 0.3s;
    padding: 0;
    margin-right: 4px;
}

.toggle-switch.active { background-color: #2ecc71; }
.toggle-switch span {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background-color: #fff;
    border-radius: 50%;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
.toggle-switch.active span { transform: translateX(16px); }

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 16px;
    background: #f8fafd;
}

.icon-btn-edit {
    color: #f39c12;
    background: #fff4e5;
}

.icon-btn-delete {
    color: #e74c3c;
    background: #fdf0ed;
}

.icon-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Center Modal Details (Replaced Bottom Sheet) */
.sheet {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    height: auto;
    max-height: 90vh;
    overflow-y: auto;
    max-width: 400px;
    background: #fff;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border-radius: 20px;
    padding: 25px 20px 30px;
    z-index: 2000;
    box-sizing: border-box;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1);
}

.sheet.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.sheet h3 {
    margin: 0 0 20px 0;
    font-size: 20px;
    color: #2c3e50;
    text-align: center;
    font-weight: 700;
}

.sheet input {
    width: 100%;
    padding: 14px;
    border: 1px solid #dce4ec;
    border-radius: 12px;
    font-size: 15px;
    background-color: #f8fafd;
    box-sizing: border-box;
    outline: none;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
    margin-bottom: 15px;
}

.sheet input:focus {
    border-color: #3498db;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.sheet button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    margin-top: 15px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    transition: all 0.3s ease;
}

.sheet button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1999;
    display: none;
    backdrop-filter: blur(3px);
    transition: opacity 0.3s ease;
}

.overlay.show {
    display: block;
}

.alert-success {
    padding: 15px;
    background-color: #d4edda;
    color: #155724;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-danger {
    padding: 15px;
    background-color: #f8d7da;
    color: #721c24;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* App Link Card Styles */
.app-link-card {
    background: var(--card);
    border-radius: 20px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    margin-bottom: 16px;
    border: 1px solid rgba(0,0,0,0.02);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-link-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.1);
}

.link-info {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
    overflow: hidden;
}

.link-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, #10b981, #34d399);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.link-details {
    flex: 1;
    overflow: hidden;
}

.link-details h4 {
    margin: 0 0 4px 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}

.link-path {
    margin: 0;
    font-size: 13px;
    color: var(--primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.copy-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: scale(1.05);
}

.copy-btn:active {
    transform: scale(0.95);
}

/* View Card Design */
.view-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 20px;
    margin: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.view-card h2 {
    margin: 0 0 8px 0;
    color: #1e293b;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
}

.view-card .meta {
    display: inline-block;
    padding: 6px 12px;
    background: #eef2ff;
    color: #4f46e5;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    margin-bottom: 20px;
}

.view-card .image-box {
    margin: 0 -20px 20px -20px;
    text-align: center;
    background: #f8fafc;
    padding: 15px 20px;
    border-top: 1px solid #f1f5f9;
    border-bottom: 1px solid #f1f5f9;
}

.view-card .image-box img {
    border-radius: 12px !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-bottom: 0 !important;
}

.view-card .description-box {
    color: #475569;
    font-size: 15px;
    line-height: 1.7;
    background: #f8fafc;
    padding: 16px;
    border-radius: 12px;
    border-left: 4px solid #6366f1;
}

.view-card .description-box p {
    margin: 0;
}

/* Dashboard Stat Cards SVG Design */
.info-cards-wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 10px 0;
}

.stat-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 15px 10px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.4);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.08);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
}

.stat-content {
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-content p {
    margin: 0;
    font-size: 8px;
    color: #64748b;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-content h4 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1;
}

.stat-icon-wrapper {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.stat-icon-wrapper svg {
    width: 22px;
    height: 22px;
}

/* Colors */
.students-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
}
.students-card .stat-icon-wrapper {
    background: #dbeafe;
    color: #2563eb;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}
.students-card::after { background: #3b82f6; }

.income-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
}
.income-card .stat-icon-wrapper {
    background: #dcfce7;
    color: #16a34a;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.15);
}
.income-card::after { background: #22c55e; }

.due-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
}
.due-card .stat-icon-wrapper {
    background: #fee2e2;
    color: #dc2626;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.15);
}
.due-card::after { background: #ef4444; }

.batch-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
}
.batch-card .stat-icon-wrapper {
    background: #f3e8ff;
    color: #9333ea;
    box-shadow: 0 4px 12px rgba(147, 51, 234, 0.15);
}
.batch-card::after { background: #a855f7; }

/* Responsive adjustments */
@media (max-width: 360px) {
    .stat-content h4 { font-size: 18px; }
    .stat-content p { font-size: 10px; }
}