:root {
    --primary: #16a34a;
    --primary-dark: #15803d;
    --primary-light: #dcfce7;
    --bg: #f0fdf4;
    --sidebar-bg: #064e3b;
    --sidebar-text: #e2e8f0;
    --sidebar-active: #16a34a;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.06);
    --radius: 16px;
    --transition: 0.25s ease;
}

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;overflow-x:hidden}
a{text-decoration:none;color:inherit}

/* Sidebar */
.sidebar{width:260px;background:var(--sidebar-bg);color:var(--sidebar-text);position:fixed;top:0;left:0;height:100vh;z-index:1000;transition:transform var(--transition);display:flex;flex-direction:column;box-shadow:4px 0 24px rgba(0,0,0,0.12)}
.sidebar-header{padding:24px 20px;border-bottom:1px solid rgba(255,255,255,0.08);text-align:center}
.sidebar-header .logo-img{width:56px;height:56px;object-fit:contain;margin-bottom:10px;border-radius:8px;background:#fff;padding:4px}
.sidebar-header .logo{font-size:28px;font-weight:800;color:#fff;letter-spacing:-0.5px}
.sidebar-header .logo span{color:#4ade80}
.sidebar .sidebar-header .tagline { font-size: 11px; color: #fff; margin-top: 4px; letter-spacing: 0.5px; text-transform: uppercase; font-weight: 600; background: #16a34a; display: inline-block; padding: 5px 12px; border-radius: 12px; box-shadow: 0 2px 8px rgba(22,163,74,0.25); }
.sidebar-nav{flex:1;overflow-y:auto;padding:16px 0}
.nav-item{display:flex;align-items:center;gap:12px;padding:13px 24px;margin:2px 12px;border-radius:10px;color:#cbd5e1;font-size:14px;font-weight:500;transition:all var(--transition);cursor:pointer;position:relative}
.nav-item:hover{background:rgba(255,255,255,0.06);color:#fff}
.nav-item--active{background:var(--sidebar-active);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(37,99,235,0.35)}
.nav-item i{width:20px;text-align:center;font-size:15px}
.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,0.08);font-size:12px;color:#64748b;text-align:center}

/* Main Content */
.main{margin-left:260px;flex:1;min-height:100vh;display:flex;flex-direction:column;transition:margin var(--transition)}
.topbar{background:#fff;padding:16px 32px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}
.topbar-left{display:flex;align-items:center;gap:16px}
.topbar-left .page-title{font-size:18px;font-weight:700;color:var(--text)}
.topbar-left .breadcrumb{font-size:12px;color:var(--text-muted)}

.topbar-right{display:flex;align-items:center;gap:20px}
.topbar-right .datetime{font-size:13px;color:var(--text-muted);text-align:right;line-height:1.4}
.topbar-right .datetime .time{font-weight:700;color:var(--text)}
.topbar-right .admin-info{display:flex;align-items:center;gap:10px}
.topbar-right .admin-avatar{width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.topbar-right .admin-name{font-size:13px;font-weight:600}
.topbar-right .admin-role{font-size:11px;color:var(--text-muted)}

.mobile-toggle{display:none;background:none;border:none;font-size:22px;color:var(--text);cursor:pointer;padding:4px}

/* Content */
.content{flex:1;padding:28px 32px;max-width:1400px}
.page-header{margin-bottom:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.page-header h1{font-size:24px;font-weight:700;color:var(--text)}
.page-header .breadcrumb{font-size:13px;color:var(--text-muted)}

/* Stats Cards */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:28px}
.stat-card{background:#fff;border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);display:flex;align-items:center;gap:18px;transition:all var(--transition);border:1px solid transparent;position:relative;overflow:hidden}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
.stat-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--primary);border-radius:0 4px 4px 0}
.stat-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.stat-icon.green{background:#dcfce7;color:#16a34a}
.stat-icon.blue{background:#dbeafe;color:#2563eb}
.stat-icon.amber{background:#fef3c7;color:#d97706}
.stat-icon.purple{background:#f3e8ff;color:#9333ea}
.stat-icon.red{background:#fee2e2;color:#dc2626}
.stat-icon.orange{background:#ffedd5;color:#ea580c}
.stat-icon.purple{background:#f3e8ff;color:#9333ea}
.stat-icon.cyan{background:#cffafe;color:#0891b2}
.stat-info{flex:1}
.stat-value{font-size:28px;font-weight:800;color:var(--text);line-height:1.1}
.stat-label{font-size:13px;color:var(--text-muted);font-weight:500;margin-top:2px}

/* Info Widget */
.widget{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:24px;border:1px solid var(--border)}
.widget-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.widget-title{font-size:16px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:10px}
.widget-title i{color:var(--primary);font-size:18px}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.info-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#f8fafc;border-radius:10px;border:1px solid var(--border)}
.info-item .label{font-size:13px;color:var(--text-muted);font-weight:500}
.info-item .value{font-size:14px;font-weight:700;color:var(--text);text-align:right;max-width:60%}

/* Cards & Tables */
.card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:24px;border:1px solid var(--border)}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.card-title{font-size:16px;font-weight:700;display:flex;align-items:center;gap:10px}
.card-title i{color:var(--primary)}
.table-responsive{overflow-x:auto;border-radius:12px;border:1px solid var(--border);display:block;width:100%;-webkit-overflow-scrolling:touch}
.table-responsive table{min-width:100%}
table{width:100%;border-collapse:collapse;table-layout:auto}
th{background:#f8fafc;color:#475569;padding:12px 10px;text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;border-bottom:2px solid var(--border);white-space:normal;overflow-wrap:anywhere;word-break:break-word}
td{padding:10px;border-bottom:1px solid var(--border);font-size:13px;color:var(--text);overflow-wrap:anywhere;word-break:break-word;white-space:normal}
tr:last-child td{border-bottom:none}
tr:hover td{background:#f8fafc}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all var(--transition);font-family:inherit}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px rgba(22,163,74,0.3)}
.btn-primary:disabled{background:#94a3b8;color:#fff;cursor:not-allowed;transform:none;box-shadow:none}
.btn-outline{background:#fff;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-danger{background:#dc2626;color:#fff}
.btn-danger:hover{background:#b91c1c}
.btn-sm{padding:7px 14px;font-size:12px;border-radius:8px}
.btn-ghost{background:transparent;color:var(--text-muted);padding:6px 10px}
.btn-ghost:hover{color:var(--primary);background:var(--primary-light)}
.btn-dashboard{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:#fff;color:var(--primary);border:2px solid var(--primary);border-radius:10px;font-weight:600;font-size:14px;transition:all var(--transition)}
.btn-dashboard:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn-success{background:#16a34a;color:#fff}
.btn-success:hover{background:#15803d}
.btn-warning{background:#d97706;color:#fff}
.btn-warning:hover{background:#b45309}
.btn-info{background:#0891b2;color:#fff}
.btn-info:hover{background:#0e7490}

/* Dropdown */
.dropdown{position:relative;display:inline-block}
.dropdown-toggle .fa-chevron-down{font-size:11px;margin-left:2px}
.dropdown-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:230px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);padding:6px;z-index:200;display:none;flex-direction:column}
.dropdown-menu.show{display:flex}
.dropdown-item{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:8px;color:var(--text);font-size:14px;font-weight:500;transition:all var(--transition)}
.dropdown-item i{color:var(--primary);width:18px;text-align:center}
.dropdown-item:hover{background:var(--primary-light);color:var(--primary-dark)}

/* Forms */
.form-section{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:24px;border:1px solid var(--border)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.form-grid.event-details-grid{grid-template-columns:1fr 2fr 1fr 1fr}
.form-grid.event-details-grid .event-title-field{grid-column:2/-1}
.form-grid.event-details-grid .full-width-field{grid-column:1/-1}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-label{font-size:13px;font-weight:600;color:#475569}
.form-input{padding:11px 14px;border:2px solid var(--border);border-radius:10px;font-size:14px;transition:all var(--transition);font-family:inherit;background:#fff;color:var(--text)}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,0.1)}
select.form-input{cursor:pointer}
textarea.form-input{resize:vertical;min-height:80px}

/* Time Picker Group */
.time-picker-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.time-picker-group .form-input{width:72px;text-align:center;padding:10px 6px;font-size:13px}
.time-picker-group .time-sep{color:var(--text-muted);font-weight:700;font-size:16px;margin:0 2px}

/* Alerts */
.alert{padding:14px 18px;border-radius:12px;margin-bottom:20px;display:flex;align-items:flex-start;gap:12px;font-size:14px;font-weight:500}
.alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.alert-danger{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-warning{background:#fffbeb;color:#92400e;border:1px solid #fde68a}
.alert-info{background:#f0f9ff;color:#075985;border:1px solid #bae6fd}
.alert i{margin-top:2px;font-size:16px}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600}
.badge-success{background:#dcfce7;color:#166534}
.badge-danger{background:#fee2e2;color:#991b1b}
.badge-warning{background:#fef3c7;color:#92400e}
.badge-info{background:#cffafe;color:#155e75}
.badge-secondary{background:#f1f5f9;color:#475569}
.badge-purple{background:#f3e8ff;color:#6b21a8}
.badge-primary{background:#dbeafe;color:#1e40af}

/* Footer */
.footer{text-align:center;padding:20px;color:var(--text-muted);font-size:12px;border-top:1px solid var(--border);margin-top:auto}

/* Mobile Sidebar */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:999}
.sidebar-overlay.active{display:block}
.sidebar-close{display:none;position:absolute;top:16px;right:16px;background:none;border:none;color:#fff;font-size:22px;cursor:pointer}

/* Tables - compact for wide data */
.table-wrapper{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrapper table{min-width:900px}

/* Login Page */
.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0fdf4,#dcfce7);padding:20px}
.login-card{background:#fff;border-radius:20px;padding:40px;box-shadow:0 10px 25px rgba(0,0,0,0.08);width:100%;max-width:420px;border:1px solid var(--border)}
.login-header{text-align:center;margin-bottom:30px}
.login-header .logo{font-size:22px;font-weight:800;color:var(--text);line-height:1.35;letter-spacing:0.2px}
.login-header .logo span{color:var(--primary)}
.login-header .logo-img{width:80px;height:80px;object-fit:contain;margin-bottom:10px}
.login-header .tagline{font-size:13px;color:var(--text-muted);margin-top:6px;text-transform:uppercase;letter-spacing:1px}

/* Calendar */
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.calendar-cell{min-height:100px;background:#fff;border-radius:12px;padding:10px;border:1px solid var(--border);vertical-align:top}
.calendar-cell.today{background:#eff6ff;border-color:var(--primary)}
.calendar-cell .day-number{font-weight:700;font-size:14px;color:var(--text)}
.calendar-cell.today .day-number{color:var(--primary)}
.calendar-event{font-size:11px;padding:4px 8px;border-radius:6px;margin-top:4px;background:var(--primary-light);color:var(--primary-dark);border-left:3px solid var(--primary)}
.calendar-event.pending{background:#fef3c7;color:#92400e;border-left-color:#d97706}
.calendar-event.approved{background:#dcfce7;color:#166534;border-left-color:#16a34a}
.calendar-event.rejected{background:#fee2e2;color:#991b1b;border-left-color:#dc2626}
.calendar-event.exam{background:#f1f5f9;color:#475569;border-left-color:#64748b}
.calendar-event.holiday{background:#f3e8ff;color:#6b21a8;border-left-color:#9333ea}

/* FullCalendar overrides */
.fc{font-family:'Segoe UI',system-ui,-apple-system,sans-serif}
.fc-theme-standard td,.fc-theme-standard th{border-color:var(--border)}
.fc .fc-toolbar-title{font-size:1.5em;font-weight:700}
.fc .fc-button-primary{background:var(--primary);border-color:var(--primary)}
.fc .fc-button-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.fc-event{background:#dbeafe;border-color:#2563eb}

/* Responsive */
@media(max-width:1024px){
    .stats-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
    .content{padding:20px}
    .topbar{padding:14px 20px}
}
@media(max-width:768px){
    .sidebar{transform:translateX(-100%)}
    .sidebar.open{transform:translateX(0)}
    .sidebar-close{display:block}
    .main{margin-left:0}
    .mobile-toggle{display:block}
    .stats-grid{grid-template-columns:1fr 1fr}
    .info-grid{grid-template-columns:1fr}
    .topbar-right .datetime{display:none}
    .content{padding:16px}
    .page-header{flex-direction:column;align-items:flex-start}
    .calendar-grid{gap:4px}
    .calendar-cell{min-height:60px;padding:6px}
    .calendar-event{font-size:9px;padding:2px 4px}
    .event-details-grid{grid-template-columns:1fr}
    .event-details-grid .event-title-field{grid-column:1}
}
@media(max-width:480px){
    .stats-grid{grid-template-columns:1fr}
    .topbar-left .page-title{font-size:15px}
    .login-card{padding:28px 20px}
}

/* Utilities */
.text-muted{color:var(--text-muted)}
.text-success{color:#16a34a}
.text-danger{color:#dc2626}
.text-warning{color:#d97706}
.text-primary{color:var(--primary)}
.fw-bold{font-weight:700}
.fs-sm{font-size:13px}
.mt-1{margin-top:8px}
.mt-2{margin-top:16px}
.mb-1{margin-bottom:8px}
.mb-2{margin-bottom:16px}
.gap-2{gap:16px}
.d-flex{display:flex}
.align-center{align-items:center}
.justify-between{justify-content:space-between}
.w-100{width:100%}

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeIn 0.4s ease forwards}

/* DataTables overrides */
.dataTables_wrapper .dataTables_length,.dataTables_wrapper .dataTables_filter{padding:16px}
.dataTables_wrapper .dataTables_info,.dataTables_wrapper .dataTables_paginate{padding:16px}

/* =========================================================
   REQUEST FORM MOBILE FIX
   Add this at the END of style.css
   ========================================================= */

.request-card{
    max-width:900px;
    margin:0 auto;
}

/* Make form sections responsive */
.request-card .form-section{
    padding:22px;
}

.request-card .form-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:18px; 
}

/* Prevent overflow */
.request-card .form-group{
    min-width:0;
}

.request-card .form-input,
.request-card select.form-input,
.request-card input.form-input,
.request-card textarea.form-input{
    width:100%;
    max-width:100%;
    min-width:0;
    height:48px;
    font-size:16px; /* prevents iOS/Android zoom */
}

.request-card textarea.form-input{
    min-height:100px;
}

/* Buttons */
.request-actions{
    display:flex; 
    justify-content:flex-end; 
    gap:16px; 
    flex-wrap:wrap;
}

/* ================= MOBILE ================= */
@media (max-width:768px){

    .content{
        padding:12px;
    }

    .request-card{
        width:100%;
        max-width:100%;
        padding:16px;
        border-radius:18px;
    }

    .request-card .form-section{
        padding:18px 16px;
        margin-bottom:18px;
    }

    .request-card .card-header{
        margin-bottom:16px;
        padding-bottom:12px;
    }

    .request-card .card-title{
        font-size:20px;
        line-height:1.3;
    }

    .request-card .form-grid{
        grid-template-columns:1fr; 
        gap:16px;
    }

    .request-card .form-group[style*="grid-column"]{
        grid-column:auto !important;
    }

    .request-card .form-label{
        font-size:14px;
    }

    .request-card .form-input{
        height:50px;
        padding:12px 14px;
        border-radius:12px;
    }

    .request-actions{
        flex-direction:column;
        gap:12px;
    }

    .request-actions .btn{
        width:100%;
        justify-content:center;
        height:50px;
        font-size:15px;
    }

    #availabilityResult .form-grid{
        grid-template-columns:1fr;
    }

    #availabilityResult .info-item{
        flex-direction:column;
        align-items:flex-start;
        gap:8px;
    }

    #availabilityResult .info-item .value{
        max-width:100%;
        text-align:left;
    }
}

/* Extra small phones */
@media (max-width:480px){

    .request-card{
        padding:12px;
    }

    .request-card .form-section{
        padding:16px 14px;
        border-radius:14px;
    }

    .request-card .card-title{
        font-size:18px;
    }

    .request-card .form-input{
        font-size:15px;
        height:48px;
    }

    .request-actions .btn{
        height:48px;
        font-size:14px;
    }
}
       .ecampus-brand {
            background: linear-gradient(135deg, #16a34a, #15803d);
            color: #fff;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: none;
            box-shadow: 0 2px 8px rgba(22,163,74,0.35);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-bottom: 12px;
        }
        .ecampus-brand i { font-size: 10px; }
        .login-card {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.08);
            width: 100%;
            max-width: 420px;
            border: 1px solid var(--border);
        }