@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Color Palette - Light Theme (Elegant Indigo & Slate) */
    --bg-primary: #eef2ff;
    --bg-secondary: #ffffff;
    --border-color: #dbeafe;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    
    --accent-color: #14b8a6;
    --accent-hover: #0f766e;
    --accent-light: #ccfbf1;
    
    --success-color: #16a34a;
    --success-hover: #15803d;
    --success-light: #dcfce7;
    
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --danger-light: #fee2e2;

    --warning-color: #f59e0b;
    --warning-hover: #d97706;
    --warning-light: #fef3c7;
    
    --sidebar-bg: #1e293b;
    --sidebar-text: #f8fafc;
    --sidebar-text-muted: #cbd5e1;
    --sidebar-active-bg: #1e40af;
    
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --card-hover-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    
    --font-sans: 'Outfit', sans-serif;
    --shadow-color: rgba(15, 23, 42, 0.08);
    --shadow-strong: rgba(15, 23, 42, 0.18);
    --surface-color: #ffffff;
    --surface-alt: #f8fbff;
    --surface-muted: #eff3ff;
    --transition-speed: 0.3s;
}

/* Dark Theme overrides */
body.dark-mode {
    --bg-primary: #0f172a;
    --bg-secondary: #111827;
    --border-color: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --primary-color: #93c5fd;
    --primary-hover: #60a5fa;
    --primary-light: #1e3a8a;
    
    --accent-color: #67e8f9;
    --accent-hover: #14b8a6;
    --accent-light: #0f172a;
    
    --success-color: #4ade80;
    --success-hover: #22c55e;
    --success-light: #064e3b;
    
    --danger-color: #f87171;
    --danger-hover: #ef4444;
    --danger-light: #7f1d1d;
    
    --warning-color: #fbbf24;
    --warning-hover: #f59e0b;
    --warning-light: #78350f;

    --sidebar-bg: #0f172a;
    --sidebar-text: #f8fafc;
    --sidebar-text-muted: #64748b;
    --sidebar-active-bg: #1e3a8a;
    
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --card-hover-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background: linear-gradient(180deg, #eef2ff 0%, #f8fafc 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition-speed), color var(--transition-speed);
}

body::selection {
    background: rgba(37, 99, 235, 0.18);
    color: #0f172a;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--primary-hover);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-primary);
}

/* Layout Framework */
.app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
    align-items: stretch;
}

/* Sidebar Layout */
.sidebar {
    width: 285px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 28px 22px;
    height: 100vh;
    position: sticky;
    top: 0;
    transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
    z-index: 10;
    border-right: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 30px 60px -40px var(--shadow-color);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 36px;
    padding: 6px 8px;
}

.sidebar-brand-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 20px;
}

.sidebar-brand-name {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, var(--sidebar-text-muted));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.sidebar-menu-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--sidebar-text-muted);
    margin-top: 16px;
    margin-bottom: 8px;
    font-weight: 600;
}

.sidebar-menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    color: var(--sidebar-text-muted);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: all var(--transition-speed);
}

.sidebar-menu-item a i {
    width: 18px;
    text-align: center;
}

.sidebar-menu-item a:hover {
    color: var(--sidebar-text);
    background-color: var(--sidebar-active-bg);
}

.sidebar-menu-item.active a {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 10px 20px -12px rgba(99, 102, 241, 0.6);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--sidebar-active-bg);
}

.sidebar-user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.sidebar-user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-user-name {
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.sidebar-user-role {
    font-size: 11px;
    color: var(--sidebar-text-muted);
    text-transform: uppercase;
    font-weight: 700;
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Top Navbar */
.top-navbar {
    height: 86px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    position: sticky;
    top: 0;
    z-index: 9;
    box-shadow: 0 12px 30px -20px var(--shadow-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}

body.dark-mode .top-navbar {
    background: rgba(15, 23, 42, 0.82);
}

.navbar-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: all var(--transition-speed);
}

.theme-toggle-btn:hover {
    background-color: var(--bg-primary);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Profile dropdown / actions */
.top-profile-pic {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    cursor: pointer;
}

/* Content Container */
.content-body {
    padding: 36px 40px 40px;
    flex-grow: 1;
    max-width: 1400px;
    margin: 0 auto;
}

.content-body > .card,
.content-body > .stat-card {
    animation: fadeInUp 0.35s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tables */
.table-responsive {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #ffffff;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 13px;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.16);
}

.table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr:hover {
    background-color: var(--bg-primary);
}

.table td a {
    font-weight: 600;
}

/* Grid Framework */
.grid {
    display: grid;
    gap: 24px;
}

.page-grid {
    display: grid;
    gap: 24px;
    margin-bottom: 40px;
}

.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.span-1 { grid-column: span 1; }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.form-note {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.btn-full {
    width: 100%;
    justify-content: center;
    margin-top: 12px;
}

.card-centered {
    max-width: 520px;
    margin: 0 auto;
}

.button-row {
    display: flex;
    gap: 15px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.list-group {
    list-style: none;
    padding: 0;
    margin: 0;
}

.list-group-item {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.list-group-item:last-child {
    border-bottom: none;
}

.card-body.no-padding {
    padding: 0;
}

.card-highlight {
    border-left: 4px solid var(--primary-color);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(99, 102, 241, 0.04));
}

.card-highlight-alt {
    background: linear-gradient(180deg, var(--bg-secondary), rgba(6, 182, 212, 0.03));
}

.manage-users-page .card-highlight {
    border-left-color: #16a34a;
    background: linear-gradient(135deg, var(--bg-secondary), rgba(22, 163, 74, 0.08));
}

.manage-users-page .card-highlight-alt {
    background: linear-gradient(180deg, var(--bg-secondary), rgba(34, 197, 94, 0.06));
}

.manage-users-page .icon-primary,
.manage-users-page .btn-primary {
    color: #16a34a;
}

.manage-users-page .btn-primary {
    background: linear-gradient(135deg, #16a34a, #22c55e);
    border-color: #16a34a;
}

.manage-users-page .btn-primary:hover {
    background: linear-gradient(135deg, #15803d, #16a34a);
    border-color: #15803d;
}

    .card-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .card-list-item {
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .card-list-item:last-child {
        border-bottom: none;
    }

    .badge-inline {
        align-self: flex-start;
        font-weight: 700;
    }

    .card-body-flex {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 15px;
        padding: 18px 24px;
    }

    .card-subtitle {
        margin-top: 4px;
        font-size: 13px;
        color: var(--text-muted);
    }

    .profile-status {
        font-size: 22px;
        font-weight: 700;
        margin-top: 14px;
        color: var(--accent-color);
    }

    .table-empty-icon {
        font-size: 32px;
        color: var(--text-muted);
        margin-bottom: 12px;
        display: block;
    }

    .table-icon-col {
        width: 50px;
        text-align: center;
    }

    .table-icon {
        font-size: 18px;
    }

    .icon-box {
        width: 42px;
        height: 42px;
        border-radius: var(--border-radius-sm);
        background: linear-gradient(135deg, var(--danger-light), var(--accent-light));
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--danger-color);
    }

    .icon-box-secondary {
        color: var(--primary-color);
    }

    .btn-pill {
        padding: 8px 16px;
        border-radius: 999px;
    }

    .action-button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 14px 22px;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
        color: #ffffff;
        font-weight: 700;
        box-shadow: 0 20px 40px -18px rgba(37, 99, 235, 0.45);
        transition: all var(--transition-speed);
    }

    .action-button:hover {
        transform: translateY(-1px);
        background: linear-gradient(135deg, var(--primary-hover), var(--accent-hover));
    }

    .action-button-danger {
        background: linear-gradient(135deg, var(--danger-color), #f43f5e);
        box-shadow: none;
    }

    .table-note-description,
    .table-note-meta {
        max-width: 250px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        display: block;
    }

    .align-middle {
        vertical-align: middle;
    }

    .text-muted {
        color: var(--text-muted);
    }

    .table-strong {
        font-weight: 600;
        color: var(--text-primary);
    }

    .table-meta {
        font-size: 13px;
        color: var(--text-muted);
    }

    .empty-state {
        text-align: center;
        color: var(--text-muted);
        padding: 30px;
    }

    .card-body.no-padding {
        padding: 0;
    }

    .align-start {
        align-items: start;
    }

    .text-right {
        text-align: right;
    }

    .text-center {
        text-align: center;
    }

    .button-group {
        display: flex;
        gap: 8px;
        justify-content: flex-end;
        flex-wrap: wrap;
    }

    .hover-icon-margin {
        margin-right: 4px;
    }

    .search-container.wide {
        max-width: 420px;
    }

    .card-highlight {
        border-left: 4px solid var(--primary-color);
        background: linear-gradient(135deg, var(--bg-secondary), rgba(99, 102, 241, 0.04));
    }

    .card-highlight-alt {
        background: linear-gradient(180deg, var(--bg-secondary), rgba(6, 182, 212, 0.03));
    }


.avatar-preview {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}

.avatar-preview img,
.avatar-sm {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
}

.icon-primary {
    color: var(--primary-color);
}

.icon-danger,
.icon-muted {
    color: var(--danger-color);
}

.icon-muted {
    color: var(--text-muted);
}

.danger-link {
    color: var(--danger-color);
}

.table-no-margin {
    margin-top: 0;
}

.table-icon-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.table-icon-labels {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.italic {
    font-style: italic;
}

.table-compact {
    max-width: 200px;
    font-size: 14px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
}

.table-strong {
    font-weight: 600;
    color: var(--text-primary);
}

.table-meta {
    font-size: 13px;
    color: var(--text-muted);
}

.card-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.card-actions-row {
    display: flex;
    gap: 15px;
}

.info-panel {
    margin-top: 30px;
    background-color: var(--bg-primary);
    padding: 20px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

    .card-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .card-list-item {
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .card-list-item:last-child {
        border-bottom: none;
    }

    .card-list-empty {
        padding: 24px;
        text-align: center;
        color: var(--text-muted);
    }

    .card-heading-meta {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--primary-color);
        font-weight: 700;
    }

    .icon-box {
        width: 42px;
        height: 42px;
        border-radius: var(--border-radius-sm);
        background: linear-gradient(135deg, var(--danger-light), var(--accent-light));
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--danger-color);
    }

    .icon-box-secondary {
        color: var(--primary-color);
    }

    .btn-pill {
        padding: 8px 16px;
        border-radius: 999px;
    }

    .badge-inline {
        align-self: flex-start;
        font-weight: 700;
    }

    .search-container.wide {
        max-width: 420px;
    }

    .table-icon-col {
        width: 50px;
        text-align: center;
    }

    .table-icon {
        font-size: 18px;
    }

    .icon-details {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .align-middle {
        vertical-align: middle;
    }

    .action-button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 14px 22px;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
        color: #ffffff;
        font-weight: 700;
        box-shadow: 0 20px 40px -18px rgba(37, 99, 235, 0.45);
        transition: all var(--transition-speed);
    }

    .action-button:hover {
        transform: translateY(-1px);
        background: linear-gradient(135deg, var(--primary-hover), var(--accent-hover));
    }

    .table-note-description,
    .table-note-meta {
        max-width: 250px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        display: block;
    }

    .card-body.no-padding {
        padding: 0;
    }

    .align-start {
        align-items: start;
    }


    .button-row {
        display: flex;
        gap: 15px;
        margin-top: 25px;
        flex-wrap: wrap;
    }

    .list-group {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .list-group-item {
        padding: 18px 24px;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .list-group-item:last-child {
        border-bottom: none;
    }

    .card-body.no-padding {
        padding: 0;
    }

    .text-center {
        text-align: center;
    }
    .page-grid { margin-bottom: 32px; }


/* Statistics Card */
.stat-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: 24px;
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-speed);
    border: 1px solid var(--border-color);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-hover-shadow);
}

.stat-card-details {
    display: flex;
    flex-direction: column;
}

.stat-card-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    margin-top: 4px;
}

.stat-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: linear-gradient(135deg, var(--primary-light), var(--bg-primary));
    color: var(--primary-color);
}

.stat-card.accent .stat-card-icon {
    background: linear-gradient(135deg, var(--accent-light), var(--bg-primary));
    color: var(--accent-color);
}

.stat-card.success .stat-card-icon {
    background: linear-gradient(135deg, var(--success-light), var(--bg-primary));
    color: var(--success-color);
}

.stat-card.danger .stat-card-icon {
    background: linear-gradient(135deg, var(--danger-light), var(--bg-primary));
    color: var(--danger-color);
}

/* Cards Design */
.card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-hover-shadow);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 18px;
    font-weight: 700;
}

.card-body {
    padding: 24px;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 15px;
    transition: all var(--transition-speed);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--bg-secondary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%236366f1' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* Password Input Wrapper */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper .form-control {
    padding-right: 48px;
}

.password-toggle-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-muted);
    transition: color var(--transition-speed);
    border-radius: 4px;
}

.password-toggle-btn:hover {
    color: var(--primary-color);
    background-color: var(--primary-light);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 15px;
    padding: 12px 24px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: 0 14px 35px -24px var(--shadow-color);
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--surface-alt);
    transform: translateY(-1px);
}

.btn-danger {
    background-color: var(--danger-color);
    color: #ffffff;
}
.btn-danger:hover {
    background-color: var(--danger-hover);
    transform: translateY(-1px);
}

.btn-success {
    background-color: var(--success-color);
    color: #ffffff;
}
.btn-success:hover {
    background-color: var(--success-hover);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 10px 18px;
    font-size: 13px;
}

/* Data Tables */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}

.table th {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    font-weight: 600;
    text-align: left;
    padding: 16px;
    border-bottom: 2px solid var(--border-color);
    font-size: 14px;
}

.table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 15px;
    transition: background-color var(--transition-speed);
}

.table tr:hover td {
    background-color: var(--primary-light);
}

body.dark-mode .table tr:hover td {
    background-color: rgba(99, 102, 241, 0.15);
}

/* Badges */
.badge {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-admin {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

.badge-lecturer {
    background-color: var(--accent-light);
    color: var(--accent-color);
}

.badge-student {
    background-color: var(--success-light);
    color: var(--success-color);
}

/* Alerts Banners */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    border: 1px solid transparent;
}

.alert-success {
    background-color: var(--success-light);
    color: var(--success-hover);
    border-color: var(--success-color);
}

.alert-danger {
    background-color: var(--danger-light);
    color: var(--danger-hover);
    border-color: var(--danger-color);
}

.alert-warning {
    background-color: var(--warning-light);
    color: var(--warning-hover);
    border-color: var(--warning-color);
}

.alert-info {
    background-color: var(--accent-light);
    color: var(--accent-hover);
    border-color: var(--accent-color);
}

.btn-close {
    background: none;
    border: none;
    font-size: 20px;
    color: inherit;
    cursor: pointer;
}

/* Auth Page layout */
.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 40px 20px;
    position: relative;
    background: linear-gradient(180deg, #f8fbff 0%, #eef2ff 100%);
}

.floating-action {
    position: absolute;
    top: 22px;
    right: 22px;
    z-index: 2;
}

.auth-card {
    width: min(520px, 100%);
    background-color: #ffffff;
    border-radius: 26px;
    box-shadow: 0 24px 80px rgba(15, 23, 42, 0.12);
    padding: 42px 36px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    position: relative;
    z-index: 1;
}

.auth-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 90px rgba(15, 23, 42, 0.15);
}

.auth-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-logo {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 32px;
    margin-bottom: 18px;
}

.auth-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.auth-subtitle {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 360px;
    margin: 0 auto;
}

.auth-footer {
    margin-top: 28px;
    display: grid;
    gap: 14px;
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 14px 18px;
    border-radius: 999px;
    border: 1px solid rgba(37, 99, 235, 0.12);
    background: rgba(37, 99, 235, 0.05);
}

.auth-cta span {
    font-weight: 600;
    color: var(--text-primary);
}

.auth-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 999px;
    background-color: var(--primary-color);
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.15);
    transition: transform var(--transition-speed), background var(--transition-speed);
}

.auth-link-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.auth-help {
    font-size: 13px;
    color: var(--text-muted);
}

.auth-help a {
    font-weight: 700;
    color: var(--accent-color);
}

.auth-help a:hover {
    color: var(--accent-hover);
}

.auth-card .form-group {
    margin-bottom: 18px;
}

.auth-card .form-control {
    border-radius: 18px;
    padding: 14px 16px;
    border: 1px solid rgba(148, 163, 184, 0.28);
    background: #f8fbff;
}

.auth-card .form-control:focus {
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.auth-card .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 18px;
}

.auth-card .btn:hover {
    transform: translateY(-1px);
}

.auth-card .alert {
    margin-bottom: 18px;
}

body.dark-mode .auth-page {
    background: radial-gradient(circle at top, rgba(147, 197, 253, 0.12), transparent 32%), #111827;
}

body.dark-mode .auth-card {
    background-color: #111827;
    border-color: rgba(148, 163, 184, 0.18);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

/* Micro-Animations & Interactivity */
.hover-scale {
    transition: transform var(--transition-speed);
}

.hover-scale:hover {
    transform: scale(1.02);
}

/* Search bar styling */
.search-container {
    position: relative;
    max-width: 320px;
    width: 100%;
}

.search-container.wide {
    max-width: 420px;
}

.search-input {
    padding-left: 40px !important;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.card-subtitle,
.table-meta,
.empty-state {
    color: var(--text-muted);
}

.card-subtitle {
    margin-top: 4px;
    font-size: 13px;
}

.profile-status {
    font-size: 22px;
    font-weight: 700;
    margin-top: 14px;
    color: var(--accent-color);
}

.card-body-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    padding: 18px 24px;
}

.table-empty-icon {
    font-size: 32px;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: block;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal-content {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-hover-shadow);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 500px;
    overflow: hidden;
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}
/* Full Project UI Overrides */
.page-container {
    width: min(1340px, calc(100% - 48px));
    margin: 0 auto;
    padding: 30px 0 40px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 30px;
}

.page-title {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 15px;
    max-width: 680px;
    margin-top: 8px;
}

.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.section-heading h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 800;
}

.section-description {
    font-size: 14px;
    color: var(--text-muted);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-bottom: 34px;
}

.panel-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
    padding: 26px;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.panel-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-strong);
}

.panel-card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
}

.panel-card-body {
    display: grid;
    gap: 18px;
}

.quick-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.12));
    color: var(--primary-color);
    font-weight: 700;
}

.quick-action:hover {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(14, 165, 233, 0.18));
}

.alert-card {
    background: var(--surface-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 22px;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    box-shadow: var(--shadow-soft);
}

.alert-card .alert-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: rgba(37, 99, 235, 0.12);
    color: var(--primary-color);
}

.alert-card .alert-text {
    display: grid;
    gap: 6px;
}

.alert-card .alert-title {
    font-size: 15px;
    font-weight: 700;
}

.alert-card .alert-message {
    font-size: 14px;
    color: var(--text-muted);
}

.site-footer {
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.site-footer a {
    color: var(--primary-color);
}

@media (max-width: 920px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .page-header,
    .section-heading,
    .top-navbar,
    .card-header,
    .card-body,
    .auth-card {
        flex-direction: column;
        align-items: stretch;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: 26px;
    }

    .top-navbar {
        padding: 0 20px;
    }

    .content-body {
        padding: 24px 20px 32px;
    }
}