/* ============================================================
   SOHAL-LAL School Fee Portal — Design System
   Premium Dark Glassmorphism Theme
   ============================================================ */

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

/* ── CSS Custom Properties ── */
:root {
    /* Colors */
    --bg-primary: #0b0d17;
    --bg-secondary: #111324;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-input: rgba(255, 255, 255, 0.06);
    --bg-sidebar: rgba(10, 12, 28, 0.95);

    /* Brand */
    --accent-1: #6c63ff;
    --accent-2: #a78bfa;
    --accent-3: #38bdf8;
    --accent-grad: linear-gradient(135deg, #6c63ff 0%, #a78bfa 100%);
    --accent-grad-2: linear-gradient(135deg, #38bdf8 0%, #6c63ff 100%);

    /* Status */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --info: #38bdf8;
    --info-bg: rgba(56, 189, 248, 0.12);

    /* Text */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-accent: #a78bfa;

    /* Borders */
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(108, 99, 255, 0.4);
    --border-focus: rgba(108, 99, 255, 0.7);

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed: 0px;
    --topbar-height: 64px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 4px 20px rgba(108, 99, 255, 0.25);
    --shadow-glow: 0 0 30px rgba(108, 99, 255, 0.15);

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Outfit', var(--font-sans);
}

/* ── Reset & Base ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--accent-2);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-1);
}

img {
    max-width: 100%;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(108, 99, 255, 0.3);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(108, 99, 255, 0.6);
}

/* ════════════════════════════════════════════════════
   LOGIN PAGE
   ════════════════════════════════════════════════════ */
.login-body {
    background: radial-gradient(ellipse at 30% 20%, rgba(108, 99, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(56, 189, 248, 0.1) 0%, transparent 50%),
        var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    overflow: hidden;
}

.login-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.bg-orb {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(80px);
    animation: orbFloat 8s ease-in-out infinite;
    opacity: 0.4;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #6c63ff, transparent);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #38bdf8, transparent);
    bottom: -80px;
    right: -80px;
    animation-delay: 3s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, #a78bfa, transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 6s;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-20px) scale(1.05);
    }
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

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

.login-logo-wrap {
    width: 72px;
    height: 72px;
    background: var(--accent-grad);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: var(--shadow-accent), 0 0 40px rgba(108, 99, 255, 0.3);
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {

    0%,
    100% {
        box-shadow: var(--shadow-accent), 0 0 30px rgba(108, 99, 255, 0.3);
    }

    50% {
        box-shadow: var(--shadow-accent), 0 0 50px rgba(108, 99, 255, 0.5);
    }
}

.login-school-name {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 800;
    background: var(--accent-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.login-tagline {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

.login-card {
    width: 100%;
    background: rgba(17, 19, 36, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.login-card-header {
    margin-bottom: 28px;
}

.login-card-header h2 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
}

.login-card-header p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

.login-error {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 13px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-hint {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.login-hint p {
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 8px;
}

.login-hint code {
    display: block;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: 12px;
    color: var(--accent-2);
    margin-bottom: 4px;
    font-family: 'Courier New', monospace;
}

.login-footer-text {
    color: var(--text-muted);
    font-size: 12px;
}

/* ════════════════════════════════════════════════════
   APP LAYOUT
   ════════════════════════════════════════════════════ */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 99;
    opacity: 0;
    transition: var(--transition);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    backdrop-filter: blur(20px);
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
    overflow: hidden;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-grad);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-accent);
}

.logo-name {
    display: block;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.logo-sub {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.2;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.sidebar-close:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.session-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px 16px 0;
    padding: 8px 12px;
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-md);
    font-size: 12px;
    color: var(--accent-2);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-section-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 12px 8px 6px;
    margin-top: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    transform: translateX(2px);
}

.nav-item.active {
    background: rgba(108, 99, 255, 0.15);
    color: var(--accent-2);
    border: 1px solid rgba(108, 99, 255, 0.2);
}

.nav-item.active svg {
    color: var(--accent-1);
}

.nav-item svg {
    flex-shrink: 0;
    opacity: 0.8;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.collector-avatar {
    width: 36px;
    height: 36px;
    background: var(--accent-grad);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.collector-details {
    flex: 1;
    min-width: 0;
}

.collector-name {
    display: block;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.collector-role {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: var(--transition);
    flex-shrink: 0;
}

.logout-btn:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ── Main Wrapper ── */
.main-wrapper {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
}

/* ── Top Bar ── */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--topbar-height);
    background: rgba(11, 13, 23, 0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    flex-shrink: 0;
}

.menu-toggle:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.topbar-title {
    flex: 1;
    min-width: 0;
}

.topbar-title h1 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.topbar-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.topbar-date {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 12px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
}

/* ── Page Content ── */
.page-content {
    flex: 1;
    padding: 28px 24px;
}

/* ── Flash Messages ── */
.flash {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 24px 0;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    position: relative;
    animation: slideDown 0.3s ease;
    border: 1px solid transparent;
}

.flash-success {
    background: var(--success-bg);
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.3);
}

.flash-error {
    background: var(--danger-bg);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.3);
}

.flash-warning {
    background: var(--warning-bg);
    color: #fcd34d;
    border-color: rgba(245, 158, 11, 0.3);
}

.flash-close {
    margin-left: auto;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 18px;
    padding: 0 4px;
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
}

/* ════════════════════════════════════════════════════
   CARDS
   ════════════════════════════════════════════════════ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-title {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
}

/* ── Stat Cards ── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-full);
}

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

.stat-card.purple::before {
    background: var(--accent-grad);
}

.stat-card.blue::before {
    background: linear-gradient(90deg, #38bdf8, #6c63ff);
}

.stat-card.green::before {
    background: linear-gradient(90deg, #10b981, #34d399);
}

.stat-card.amber::before {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.purple {
    background: rgba(108, 99, 255, 0.15);
    color: var(--accent-1);
}

.stat-icon.blue {
    background: rgba(56, 189, 248, 0.15);
    color: var(--info);
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.stat-icon.amber {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.stat-info {
    flex: 1;
    min-width: 0;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
}

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

/* ════════════════════════════════════════════════════
   FORMS
   ════════════════════════════════════════════════════ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    padding: 10px 14px;
    transition: var(--transition);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--border-focus);
    background: rgba(108, 99, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.input-icon-wrap {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.input-icon-wrap .form-input {
    padding-left: 40px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px;
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.form-check:hover {
    border-color: var(--border-hover);
}

.form-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-1);
    cursor: pointer;
}

.form-hint {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 5px;
}

.required-star {
    color: var(--danger);
    margin-left: 2px;
}

/* Radio Buttons as Cards */
.radio-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.radio-card {
    flex: 1;
    min-width: 120px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 13.5px;
    font-weight: 500;
}

.radio-card:hover {
    border-color: var(--border-hover);
}

.radio-card input[type="radio"] {
    accent-color: var(--accent-1);
}

.radio-card.selected {
    border-color: var(--accent-1);
    background: rgba(108, 99, 255, 0.08);
    color: var(--accent-2);
}

/* ════════════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    -webkit-appearance: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-grad);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(108, 99, 255, 0.4);
    color: #fff;
}

.btn-secondary {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-secondary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.btn-success {
    background: var(--success);
    color: #fff;
    border-color: transparent;
}

.btn-success:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-1px);
    color: #fff;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: transparent;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    transform: translateY(-1px);
    color: #fff;
}

.btn-warning {
    background: var(--warning);
    color: #111;
    border-color: transparent;
}

.btn-warning:hover:not(:disabled) {
    background: #d97706;
    transform: translateY(-1px);
    color: #111;
}

.btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-card);
    color: var(--text-primary);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-lg {
    padding: 13px 28px;
    font-size: 15px;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    padding: 8px;
    aspect-ratio: 1;
}

/* ════════════════════════════════════════════════════
   TABLES
   ════════════════════════════════════════════════════ */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

thead th {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
    color: var(--text-primary);
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

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

/* ════════════════════════════════════════════════════
   BADGES & STATUS
   ════════════════════════════════════════════════════ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

.badge-success {
    background: var(--success-bg);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-danger {
    background: var(--danger-bg);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.badge-warning {
    background: var(--warning-bg);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-info {
    background: var(--info-bg);
    color: #7dd3fc;
    border: 1px solid rgba(56, 189, 248, 0.25);
}

.badge-purple {
    background: rgba(108, 99, 255, 0.12);
    color: var(--accent-2);
    border: 1px solid rgba(108, 99, 255, 0.25);
}

.badge-muted {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

/* ════════════════════════════════════════════════════
   PROGRESS BARS
   ════════════════════════════════════════════════════ */
.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--accent-grad);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-fill.success {
    background: linear-gradient(90deg, #10b981, #34d399);
}

.progress-fill.warning {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.progress-fill.danger {
    background: linear-gradient(90deg, #ef4444, #f87171);
}

/* ════════════════════════════════════════════════════
   FEE PREVIEW PANEL
   ════════════════════════════════════════════════════ */
.fee-preview-panel {
    background: rgba(108, 99, 255, 0.05);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.fee-preview-header {
    padding: 16px 20px;
    background: rgba(108, 99, 255, 0.1);
    border-bottom: 1px solid rgba(108, 99, 255, 0.15);
    display: flex;
    align-items: center;
    gap: 8px;
}

.fee-preview-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-2);
}

.fee-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 13px;
    gap: 12px;
}

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

.fee-item-name {
    color: var(--text-secondary);
    flex: 1;
}

.fee-item-amount {
    font-weight: 600;
    color: var(--text-primary);
}

.fee-item.waived .fee-item-amount {
    text-decoration: line-through;
    color: var(--text-muted);
}

.fee-item.waived .fee-item-name::after {
    content: ' (Waived)';
    color: var(--warning);
    font-size: 11px;
}

.fee-total-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: rgba(108, 99, 255, 0.1);
    border-top: 1px solid rgba(108, 99, 255, 0.2);
    margin-top: 4px;
}

.fee-total-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.fee-total-amount {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    color: var(--accent-2);
}

/* ════════════════════════════════════════════════════
   MODALS
   ════════════════════════════════════════════════════ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-backdrop.open {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(10px);
    transition: var(--transition);
}

.modal-backdrop.open .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 24px 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 18px;
}

.modal-close:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 0 24px 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* ════════════════════════════════════════════════════
   SEARCH BAR
   ════════════════════════════════════════════════════ */
.search-bar {
    position: relative;
}

.search-bar svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

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

/* ════════════════════════════════════════════════════
   TOGGLE SWITCH
   ════════════════════════════════════════════════════ */
.toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-muted);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.toggle input:checked+.toggle-slider {
    background: rgba(108, 99, 255, 0.3);
    border-color: var(--accent-1);
}

.toggle input:checked+.toggle-slider::before {
    transform: translate(20px, -50%);
    background: var(--accent-2);
}

/* ════════════════════════════════════════════════════
   EMPTY STATES
   ════════════════════════════════════════════════════ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state svg {
    color: var(--text-muted);
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
    font-size: 13px;
}

/* ════════════════════════════════════════════════════
   PAGE HEADER
   ════════════════════════════════════════════════════ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.page-header-left h2 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    line-height: 1.2;
}

.page-header-left p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

/* ════════════════════════════════════════════════════
   STUDENT PROFILE
   ════════════════════════════════════════════════════ */
.profile-hero {
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.15) 0%, rgba(56, 189, 248, 0.08) 100%);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: 32px;
    margin-bottom: 24px;
    display: flex;
    gap: 28px;
    align-items: center;
    flex-wrap: wrap;
}

.profile-avatar-large {
    width: 80px;
    height: 80px;
    background: var(--accent-grad);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: var(--shadow-accent);
}

.profile-info h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 6px;
}

.profile-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.profile-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* ════════════════════════════════════════════════════
   RECEIPT
   ════════════════════════════════════════════════════ */
.receipt-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    max-width: 600px;
    margin: 0 auto;
    overflow: hidden;
}

.receipt-header {
    background: var(--accent-grad);
    padding: 28px 32px;
    text-align: center;
    color: white;
}

.receipt-header h2 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
}

.receipt-header p {
    font-size: 12px;
    opacity: 0.85;
    margin-top: 4px;
}

.receipt-number {
    font-size: 13px;
    margin-top: 12px;
    opacity: 0.9;
    font-weight: 600;
}

.receipt-body {
    padding: 28px 32px;
}

.receipt-section {
    margin-bottom: 24px;
}

.receipt-section-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.receipt-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 6px 0;
    font-size: 13px;
}

.receipt-row .label {
    color: var(--text-secondary);
}

.receipt-row .value {
    font-weight: 600;
}

.receipt-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-md);
    margin-top: 16px;
}

.receipt-total-row .label {
    font-size: 14px;
    font-weight: 700;
}

.receipt-total-row .value {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 800;
    color: var(--accent-2);
}

.receipt-balance-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: var(--warning-bg);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: var(--radius-md);
    margin-top: 8px;
    font-size: 13px;
}

.receipt-balance-row .value {
    color: var(--warning);
    font-weight: 700;
}

.receipt-footer {
    padding: 20px 32px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-muted);
}

/* ════════════════════════════════════════════════════
   UTILITIES
   ════════════════════════════════════════════════════ */
.text-center {
    text-align: center;
}

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

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

.text-accent {
    color: var(--accent-2);
}

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

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

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

.fw-600 {
    font-weight: 600;
}

.fw-700 {
    font-weight: 700;
}

.fw-800 {
    font-weight: 800;
}

.mt-4 {
    margin-top: 4px;
}

.mt-8 {
    margin-top: 8px;
}

.mt-12 {
    margin-top: 12px;
}

.mt-16 {
    margin-top: 16px;
}

.mt-24 {
    margin-top: 24px;
}

.mb-16 {
    margin-bottom: 16px;
}

.mb-24 {
    margin-bottom: 24px;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

.justify-between {
    justify-content: space-between;
}

.gap-8 {
    gap: 8px;
}

.gap-12 {
    gap: 12px;
}

.gap-16 {
    gap: 16px;
}

.w-full {
    width: 100%;
}

.hidden {
    display: none !important;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Spin animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.spin {
    animation: spin 0.8s linear infinite;
}

/* Pulse */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

/* ════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .sidebar-close {
        display: flex;
    }

    .sidebar-overlay {
        display: block;
    }

    .main-wrapper {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-content {
        padding: 20px 16px;
    }

    .topbar {
        padding: 0 16px;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

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

    .profile-hero {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .stat-grid {
        grid-template-columns: 1fr;
    }

    .login-card {
        padding: 24px;
    }

    .receipt-header,
    .receipt-body,
    .receipt-footer {
        padding-left: 20px;
        padding-right: 20px;
    }
}