/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; width: 100%; }

:root {
    --primary: #2e7d32;
    --primary-dark: #1b5e20;
    --primary-light: #4caf50;
    --accent: #ff9800;
    --accent-dark: #e68900;
    --danger: #e53935;
    --info: #1976d2;

    /* Dark theme */
    --bg-dark: #1a1a2e;
    --bg-dark-2: #16213e;
    --bg-dark-3: #0f3460;
    --card-dark: #1e2a3a;
    --card-dark-2: #243447;
    --text-light: #e8e8e8;
    --text-muted: #a0aab4;
    --border-dark: #2d3a4a;
    --glow-green: rgba(76, 175, 80, 0.3);

    /* Light for auth pages */
    --bg: #f5f5f5;
    --card: #ffffff;
    --text: #212121;
    --text-secondary: #757575;
    --border: #e0e0e0;
    --shadow: 0 2px 12px rgba(0,0,0,0.1);
    --radius: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ───────────────────────────────────────────────── */
.container {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 0 16px;
    overflow: hidden;
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 100vw;
    overflow-x: hidden;
}

/* ─── Header / Nav ─────────────────────────────────────────── */
.header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    padding: 0 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 58px;
}

.header .logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.5px;
}

.header .logo:hover { text-decoration: none; }

.header .user-badge {
    background: rgba(255,255,255,0.15);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links a, .nav-links button {
    color: #fff;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 7px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-links a:hover, .nav-links button:hover {
    background: rgba(255,255,255,0.25);
    text-decoration: none;
}

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
    background: linear-gradient(135deg, var(--bg-dark-2), var(--bg-dark-3));
    color: #fff;
    text-align: center;
    padding: 60px 20px 50px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--glow-green) 0%, transparent 50%);
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.05); opacity: 0.4; }
}

.hero h1 {
    font-size: 2.2rem;
    margin-bottom: 12px;
    position: relative;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1rem;
    opacity: 0.8;
    max-width: 500px;
    margin: 0 auto 28px;
    position: relative;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* ─── Notice Banner ────────────────────────────────────────── */
.notice-banner {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
}

.notice-badge {
    background: var(--accent);
    color: #fff;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.notice-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    flex: 1;
}

/* ─── Cards ────────────────────────────────────────────────── */
.card {
    background: var(--card-dark);
    border-radius: var(--radius);
    border: 1px solid var(--border-dark);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    padding: 24px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-dark);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title .icon { font-size: 1.2rem; }

/* ─── Stat Boxes (dark style like reference) ───────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-box {
    background: var(--card-dark);
    border-radius: var(--radius);
    border: 1px solid var(--border-dark);
    padding: 18px 16px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s;
}

.stat-box:hover { transform: translateY(-2px); }

.stat-box.green {
    background: linear-gradient(135deg, #1b5e20, #2e7d32);
    border-color: #388e3c;
}

.stat-box.dark {
    background: var(--card-dark-2);
    border-color: var(--border-dark);
}

.stat-box .stat-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.7);
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.stat-box .stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
}

.stat-box .stat-value.accent { color: var(--accent); }

/* ─── Info List (like reference point display) ─────────────── */
.info-list {
    background: var(--card-dark);
    border-radius: var(--radius);
    border: 1px solid var(--border-dark);
    overflow: hidden;
    margin-bottom: 20px;
}

.info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-dark);
}

.info-row:last-child { border-bottom: none; }

.info-row .info-icon {
    font-size: 1.2rem;
    margin-right: 10px;
}

.info-row .info-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-row .info-value {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

/* ─── Icon Grid Menu (like reference) ──────────────────────── */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.menu-item {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    padding: 20px 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--text-light);
}

.menu-item:hover {
    background: var(--card-dark-2);
    transform: translateY(-2px);
    text-decoration: none;
    border-color: var(--primary);
}

.menu-item .menu-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-size: 1.4rem;
}

.menu-icon.bg-green { background: linear-gradient(135deg, #2e7d32, #4caf50); }
.menu-icon.bg-yellow { background: linear-gradient(135deg, #f9a825, #ffca28); }
.menu-icon.bg-blue { background: linear-gradient(135deg, #1565c0, #42a5f5); }
.menu-icon.bg-orange { background: linear-gradient(135deg, #e65100, #ff9800); }
.menu-icon.bg-purple { background: linear-gradient(135deg, #6a1b9a, #ab47bc); }
.menu-icon.bg-red { background: linear-gradient(135deg, #c62828, #ef5350); }
.menu-icon.bg-teal { background: linear-gradient(135deg, #00695c, #26a69a); }
.menu-icon.bg-pink { background: linear-gradient(135deg, #ad1457, #ec407a); }
.menu-icon.bg-indigo { background: linear-gradient(135deg, #283593, #5c6bc0); }

.menu-item .menu-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
}

/* ─── Quick Links Row ──────────────────────────────────────── */
.quick-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
    padding: 16px 0;
}

.quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s;
}

.quick-link:hover { color: #fff; text-decoration: none; }

.quick-link .ql-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--card-dark-2);
    border: 1px solid var(--border-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: all 0.2s;
}

.quick-link:hover .ql-icon {
    border-color: var(--primary);
    background: rgba(46,125,50,0.2);
}

/* ─── Forms ────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.88rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
    background: var(--card-dark-2);
    color: var(--text-light);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--glow-green);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Light theme forms (for auth pages) */
.light .form-group input,
.light .form-group select {
    background: #fff;
    color: var(--text);
    border-color: var(--border);
}

.light .form-group input:focus,
.light .form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(46,125,50,0.1);
}

.light .form-group label { color: var(--text); }

/* ─── Checkbox ─────────────────────────────────────────────── */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--primary);
}

.checkbox-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 24px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: -0.2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 2px 8px rgba(46,125,50,0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    box-shadow: 0 4px 14px rgba(46,125,50,0.4);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    color: #fff;
    box-shadow: 0 2px 8px rgba(255,152,0,0.3);
}
.btn-accent:hover {
    box-shadow: 0 4px 14px rgba(255,152,0,0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #c62828, #e53935);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--primary-light);
    border: 1px solid var(--primary);
}
.btn-outline:hover { background: rgba(46,125,50,0.1); }

.btn-ghost {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}
.btn-ghost:hover { background: rgba(255,255,255,0.2); }

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── Tables ───────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 8px;
    border: 1px solid var(--border-dark);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

th, td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-dark);
    white-space: nowrap;
}

th {
    background: var(--bg-dark-3);
    color: #fff;
    font-weight: 600;
    position: sticky;
    top: 0;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td { color: var(--text-light); }

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

/* ─── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.badge-active { background: rgba(46,125,50,0.2); color: #66bb6a; }
.badge-inactive { background: rgba(229,57,53,0.2); color: #ef5350; }
.badge-level { background: rgba(25,118,210,0.2); color: #42a5f5; }
.badge-branch { background: rgba(255,152,0,0.2); color: #ffb74d; }

/* ─── Referral Tree ────────────────────────────────────────── */
.tree-node {
    padding: 12px 16px;
    margin: 6px 0;
    background: var(--card-dark-2);
    border-radius: 8px;
    border-left: 3px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.tree-node .node-name {
    font-weight: 600;
    color: #fff;
}

.tree-node .node-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.tree-children {
    margin-left: 20px;
    border-left: 2px dashed var(--border-dark);
    padding-left: 12px;
}

/* ─── Invite Link Box ──────────────────────────────────────── */
.invite-box {
    background: linear-gradient(135deg, rgba(46,125,50,0.15), rgba(76,175,80,0.1));
    border: 1px solid rgba(76,175,80,0.3);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 20px;
}

.invite-box .invite-label {
    font-size: 0.85rem;
    color: var(--primary-light);
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.invite-box .invite-link-row {
    display: flex;
    gap: 8px;
}

.invite-box input {
    flex: 1;
    padding: 9px 12px;
    border: 1px solid rgba(76,175,80,0.3);
    border-radius: 8px;
    font-size: 0.85rem;
    background: var(--card-dark);
    color: var(--text-light);
}

/* ─── Tabs ─────────────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-dark);
    overflow-x: auto;
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: all 0.2s;
}

.tab-btn:hover { color: var(--text-light); }

.tab-btn.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Commission Level Input ───────────────────────────────── */
.commission-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-dark);
}

.commission-row .level-label {
    min-width: 80px;
    font-weight: 700;
    color: var(--primary-light);
    font-size: 0.9rem;
}

.commission-row input[type="number"] {
    width: 100px;
    padding: 8px 10px;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    text-align: center;
    font-size: 0.95rem;
    background: var(--card-dark-2);
    color: var(--text-light);
}

.commission-row input[type="number"]:focus {
    border-color: var(--primary-light);
    outline: none;
}

.commission-row .unit { color: var(--text-muted); font-size: 0.9rem; }

/* ─── Auth Pages (Light Theme) ─────────────────────────────── */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-dark-2));
}

.auth-card {
    width: 100%;
    max-width: 480px;
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    padding: 36px;
}

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

.auth-card .auth-logo h1 {
    font-size: 1.6rem;
    color: #fff;
    font-weight: 800;
}

.auth-card .auth-logo .brand {
    color: var(--primary-light);
}

.auth-card .auth-logo p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ─── Terms Box ────────────────────────────────────────────── */
.terms-box {
    max-height: 150px;
    overflow-y: auto;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    background: var(--card-dark-2);
    line-height: 1.6;
}

.terms-box::-webkit-scrollbar { width: 5px; }
.terms-box::-webkit-scrollbar-track { background: transparent; }
.terms-box::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 3px; }

/* ─── Toast / Alert ────────────────────────────────────────── */
.toast {
    position: fixed;
    top: 70px;
    right: 20px;
    padding: 14px 24px;
    border-radius: 10px;
    color: #fff;
    font-weight: 600;
    z-index: 9999;
    animation: slideIn 0.3s ease;
    max-width: 90vw;
    word-break: keep-all;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.toast-success { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.toast-error { background: linear-gradient(135deg, #b71c1c, #e53935); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ─── Modal ────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.modal {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 20px;
    padding: 28px;
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* ─── Search ───────────────────────────────────────────────── */
.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-bar input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    font-size: 0.9rem;
    background: var(--card-dark-2);
    color: var(--text-light);
}

.search-bar input::placeholder { color: var(--text-muted); }

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-light);
}

/* ─── Section Divider ──────────────────────────────────────── */
.section-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
    padding-left: 4px;
}

/* ─── Info Table (light bg, for detail display) ────────────── */
.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table th {
    background: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-dark);
    text-transform: none;
    letter-spacing: 0;
    width: 120px;
}

.info-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-dark);
    color: #fff;
    font-weight: 500;
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
    .header-inner { height: 52px; }
    .header .logo { font-size: 1.1rem; }
    .nav-links { gap: 6px; }
    .nav-links a, .nav-links button { padding: 5px 10px; font-size: 0.78rem; }

    .hero { padding: 40px 16px 32px; overflow: hidden; }
    .hero h1 { font-size: 1.6rem; }
    .hero p { font-size: 0.85rem; padding: 0 10px; }

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

    .stats-grid { gap: 8px; }
    .stat-box { padding: 14px 12px; }
    .stat-box .stat-value { font-size: 1.2rem; }
    .stat-box .stat-label { font-size: 0.72rem; }

    .card { padding: 16px; }

    .auth-wrapper { padding: 16px; }
    .auth-card { padding: 24px 20px; max-width: 100% !important; }

    .tabs { gap: 0; }
    .tab-btn { padding: 8px 14px; font-size: 0.82rem; }

    .menu-grid { gap: 8px; }
    .menu-item { padding: 16px 8px; }
    .menu-item .menu-icon { width: 42px; height: 42px; font-size: 1.2rem; }
    .menu-item .menu-label { font-size: 0.75rem; }

    .tree-children { margin-left: 12px; padding-left: 8px; }
    .tree-node { padding: 10px 12px; font-size: 0.85rem; }

    .invite-box .invite-link-row { flex-direction: column; }
    .invite-box input { font-size: 0.78rem; }

    .modal { padding: 20px; border-radius: 16px; max-width: calc(100vw - 40px); }
    .modal-actions { flex-direction: column; }
    .modal-actions .btn { width: 100%; }

    .quick-links { gap: 16px; }
    .quick-link .ql-icon { width: 44px; height: 44px; font-size: 1.1rem; }

    .notice-banner { padding: 10px 12px; gap: 8px; }

    .info-table th { width: auto; min-width: 70px; font-size: 0.8rem; padding: 8px 10px; }
    .info-table td { font-size: 0.85rem; padding: 8px 10px; word-break: break-all; }
}

@media (max-width: 480px) {
    .container { padding: 0 12px !important; }
    .search-bar { flex-direction: column; }
    .hero { padding: 30px 14px 24px; }
    .hero h1 { font-size: 1.4rem; }
    .hero p { font-size: 0.8rem; padding: 0 8px; }
    .hero-buttons { flex-direction: column; align-items: center; gap: 8px; }
    .hero-buttons .btn { width: 80%; padding: 10px 20px !important; font-size: 0.95rem !important; }
    .notice-banner { font-size: 0.8rem; }
    .notice-text { font-size: 0.78rem; }
    .table-wrapper { font-size: 0.78rem; }
    th, td { padding: 8px 6px; font-size: 0.75rem; }
    .tab-btn { padding: 8px 10px; font-size: 0.75rem; }
    .card { padding: 14px; margin-bottom: 14px; }
    .card-title { font-size: 0.95rem; }
    .stat-box .stat-value { font-size: 1.1rem; }
    .header .logo { font-size: 1rem; }
    .header .user-badge { font-size: 0.7rem; padding: 3px 8px; max-width: 120px; overflow: hidden; text-overflow: ellipsis; }
    .nav-links a, .nav-links button { padding: 4px 8px; font-size: 0.72rem; }
    .auth-wrapper { padding: 12px; }
    .auth-card { padding: 20px 16px; border-radius: 16px; }
    .form-group label { font-size: 0.82rem; }
    .form-group input, .form-group select { padding: 10px 12px; font-size: 0.88rem; }
    .menu-grid { grid-template-columns: repeat(3, 1fr) !important; gap: 6px !important; }
    .menu-item { padding: 14px 6px; }
    .menu-item .menu-icon { width: 38px; height: 38px; font-size: 1.1rem; border-radius: 12px; }
    .menu-item .menu-label { font-size: 0.7rem; }
    .stats-grid { gap: 6px; }
    .stat-box { padding: 12px 8px; }
    .stat-box .stat-label { font-size: 0.68rem; }
    .stat-box .stat-value { font-size: 1rem; }
    .footer { font-size: 0.72rem; padding: 16px; }
}

/* ─── Utility ──────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.hidden { display: none; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* ─── Footer ───────────────────────────────────────────────── */
.footer {
    text-align: center;
    padding: 20px;
    font-size: 0.78rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-dark);
    margin-top: auto;
}