/* ==========================================================================
   1. GLOBAL STYLES & VARIABLES
   ========================================================================== */
:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --border-color: #333333;
    --accent-color: #ffffff;
    --hover-bg: #222222;
    --card-bg: #111111;
    --danger-color: #ff5c5c;
    --success-color: #7fffab;
}

body.light-mode {
    --bg-color: #ffffff;
    --text-color: #000000;
    --border-color: #e0e0e0;
    --accent-color: #000000;
    --hover-bg: #f0f0f0;
    --card-bg: #f9f9f9;
    --danger-color: #b3261e;
    --success-color: #1e7a45;
}

/* ==========================================================================
   1b. SPECIAL THEMES — admin-only, assigned per account (see admin.js
       saveUserTheme() / sql/schema.sql profiles.theme). A regular visitor
       never sees these in the header toggle; they only appear if an admin
       has assigned one to that specific account.
   ========================================================================== */
body.theme-gamedev {
    --bg-color: #0d0614;
    --text-color: #ffe600;
    --border-color: #ff007f;
    --accent-color: #ff007f;
    --hover-bg: #1c0c36;
    --card-bg: rgba(28, 12, 54, 0.9);
    --danger-color: #ff4d6d;
    --success-color: #00f0ff;
    --glow-shadow: 0 0 15px rgba(255, 0, 127, 0.45);
    --font-family: 'Impact', 'Trebuchet MS', sans-serif;
    --bg-pattern: linear-gradient(rgba(0, 240, 255, 0.15) 2px, transparent 2px),
                  linear-gradient(90deg, rgba(255, 0, 127, 0.15) 2px, transparent 2px);
    --bg-pattern-size: 28px 28px;
    --bg-pattern-opacity: 1;
}

body.theme-robotic {
    --bg-color: #0a0f0d;
    --text-color: #00ff66;
    --border-color: #1a382b;
    --accent-color: #00ff66;
    --hover-bg: #10251a;
    --card-bg: rgba(12, 24, 18, 0.9);
    --danger-color: #ff5c5c;
    --success-color: #ffb703;
    --glow-shadow: 0 0 10px rgba(0, 255, 102, 0.3);
    --font-family: 'Consolas', 'Courier New', monospace;
    --bg-pattern: linear-gradient(rgba(0, 255, 102, 0.07) 1px, transparent 1px),
                  linear-gradient(90deg, rgba(0, 255, 102, 0.07) 1px, transparent 1px);
    --bg-pattern-size: 20px 20px;
    --bg-pattern-opacity: 0.8;
}

body.theme-biological {
    --bg-color: #031716;
    --text-color: #d1fae5;
    --border-color: #0d9488;
    --accent-color: #10b981;
    --hover-bg: #062826;
    --card-bg: rgba(6, 40, 38, 0.9);
    --danger-color: #f87171;
    --success-color: #06b6d4;
    --glow-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
    --font-family: 'Courier New', Courier, monospace;
    --bg-pattern: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.15) 15%, transparent 16%),
                  radial-gradient(circle at 0% 0%, rgba(6, 182, 212, 0.15) 15%, transparent 16%);
    --bg-pattern-size: 36px 36px;
    --bg-pattern-opacity: 1;
}

body.theme-space {
    --bg-color: #050714;
    --text-color: #e2e8f0;
    --border-color: #2a385c;
    --accent-color: #00f0ff;
    --hover-bg: #0e142a;
    --card-bg: rgba(14, 20, 42, 0.88);
    --danger-color: #ff3366;
    --success-color: #00f0ff;
    --glow-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
    --font-family: 'Courier New', Courier, monospace;
    --bg-pattern: radial-gradient(#ffffff 1.2px, transparent 1.2px),
                  radial-gradient(#00f0ff 1px, transparent 1px);
    --bg-pattern-size: 40px 40px;
    --bg-pattern-opacity: 0.25;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-family, 'Courier New', Courier, monospace);
    transition: background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

/* Faint decorative background pattern used by the 4 special themes only —
   the 2 main monochrome themes leave --bg-pattern-opacity unset (defaults
   to 0 below) so they stay clean and flat, exactly as before. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: var(--bg-pattern, none);
    background-size: var(--bg-pattern-size, auto);
    opacity: var(--bg-pattern-opacity, 0);
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.35s ease;
}

header, main, footer { position: relative; z-index: 1; }

body.modal-lock {
    overflow: hidden;
}

a { color: var(--text-color); }

/* ==========================================================================
   2. HEADER & NAVIGATION
   ========================================================================== */
header {
    border-bottom: 2px solid var(--text-color);
    padding: 15px 20px;
    box-shadow: var(--glow-shadow, none);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 12px;
}

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

.logo {
    width: 35px;
    height: 35px;
    border: 2px solid var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.team-name {
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.search-bar input {
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 8px 12px;
    outline: none;
    font-size: 0.9rem;
    width: 180px;
}

.search-bar input::placeholder {
    color: var(--text-color);
    opacity: 0.6;
}

.theme-toggle,
.btn-outline,
.btn-solid {
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 8px 12px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.85rem;
    white-space: nowrap;
}

.theme-toggle:hover,
.btn-outline:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.btn-solid {
    background-color: var(--text-color);
    color: var(--bg-color);
    box-shadow: var(--glow-shadow, none);
}
.btn-solid:hover { opacity: 0.85; }

.btn-danger {
    background: transparent;
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 8px 14px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.85rem;
}
.btn-danger:hover { background-color: var(--danger-color); color: #000; }

.btn-link {
    background: none;
    border: none;
    color: var(--text-color);
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    font-size: 0.85rem;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Auth area in header */
.auth-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border-color);
    padding: 6px 10px;
    font-size: 0.8rem;
}

.user-chip .avatar {
    width: 22px;
    height: 22px;
    border: 1px solid var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.badge {
    display: inline-block;
    border: 1px solid var(--text-color);
    padding: 1px 6px;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-admin {
    border-color: var(--success-color);
    color: var(--success-color);
}

/* Shown next to the theme toggle only when this account has an
   admin-assigned special theme (toggle is disabled in that case). */
.account-theme-badge {
    display: none;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 4px 10px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

nav {
    display: flex;
    gap: 10px;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
    flex-wrap: wrap;
}

.nav-tab {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 16px;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.nav-tab:hover, .nav-tab.active {
    background-color: var(--text-color);
    color: var(--bg-color);
    border-color: var(--text-color);
    box-shadow: var(--glow-shadow, none);
}

.nav-tab-admin {
    margin-left: auto;
    border-color: var(--success-color);
    color: var(--success-color);
}
.nav-tab-admin:hover {
    background-color: var(--success-color);
    color: #000;
    border-color: var(--success-color);
}

/* ==========================================================================
   3. MAIN CONTENT SECTIONS
   ========================================================================== */
main {
    flex: 1;
    padding: 40px 20px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

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

.construction-banner {
    border: 1px dashed var(--text-color);
    padding: 10px;
    text-align: center;
    margin-bottom: 30px;
    font-size: 0.9rem;
}

h1 {
    font-size: 2rem;
    margin-bottom: 15px;
    text-transform: uppercase;
}

h3 { margin-bottom: 10px; }

p {
    line-height: 1.6;
    margin-bottom: 20px;
    opacity: 0.9;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    padding: 20px;
    box-shadow: var(--glow-shadow, none);
}

.card h3 {
    margin-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

.card p { margin-bottom: 8px; font-size: 0.92rem; }
.card p:last-child { margin-bottom: 0; }

.event-card .event-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.event-card .tag {
    border: 1px solid var(--border-color);
    padding: 2px 8px;
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.85;
}

.event-card .register-link {
    display: inline-block;
    margin-top: 12px;
    border: 1px solid var(--text-color);
    padding: 6px 14px;
    font-size: 0.8rem;
    text-decoration: none;
    text-transform: uppercase;
}
.event-card .register-link:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

/* Subscribe / auth forms */
.subscribe-form { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.subscribe-form input {
    flex: 1;
    min-width: 200px;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
}
.subscribe-form button {
    padding: 10px 20px;
    background: var(--text-color);
    color: var(--bg-color);
    border: none;
    font-weight: bold;
    cursor: pointer;
}

/* ==========================================================================
   4. FOOTER
   ========================================================================== */
footer {
    border-top: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.7;
}

/* ==========================================================================
   5. MODALS  (auth, event form, confirm dialog — all share this base)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 16px;
    overflow-y: auto;
    z-index: 1000;
}
body.light-mode .modal-overlay { background: rgba(0, 0, 0, 0.45); }

.modal-overlay.modal-open { display: flex; }

.modal-box {
    background: var(--bg-color);
    border: 2px solid var(--text-color);
    width: 100%;
    max-width: 440px;
    padding: 28px;
    position: relative;
    box-shadow: var(--glow-shadow, none);
}

.modal-box-lg { max-width: 640px; }
.modal-box-sm { max-width: 380px; }

.modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}
.modal-close:hover { background: var(--text-color); color: var(--bg-color); }

.modal-box h2 {
    text-transform: uppercase;
    font-size: 1.3rem;
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.modal-subtitle { font-size: 0.85rem; opacity: 0.7; margin-bottom: 20px; }

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

.confirm-message { line-height: 1.6; }

/* Forms shared by auth modals + admin */
.form-group { margin-bottom: 16px; }
.form-row { display: flex; gap: 14px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 160px; }

.form-group label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.75;
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    font-size: 0.9rem;
    outline: none;
}

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

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

.form-hint { font-size: 0.72rem; opacity: 0.6; margin-top: 4px; }

.field-error {
    color: var(--danger-color);
    font-size: 0.75rem;
    margin-top: 4px;
    min-height: 1em;
}

.form-error-box {
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 10px 12px;
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: none;
}
.form-error-box.visible { display: block; }

.form-success-box {
    border: 1px solid var(--success-color);
    color: var(--success-color);
    padding: 10px 12px;
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: none;
}
.form-success-box.visible { display: block; }

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; text-transform: none; font-size: 0.85rem; opacity: 1; }

.modal-footer-link {
    text-align: center;
    margin-top: 18px;
    font-size: 0.85rem;
}

/* ==========================================================================
   6. TOASTS
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
    max-width: 320px;
}

.toast {
    border: 1px solid var(--text-color);
    background: var(--bg-color);
    color: var(--text-color);
    padding: 12px 16px;
    font-size: 0.85rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.toast-visible { opacity: 1; transform: translateY(0); }
.toast-success { border-color: var(--success-color); color: var(--success-color); }
.toast-error { border-color: var(--danger-color); color: var(--danger-color); }

/* ==========================================================================
   7. ADMIN DASHBOARD
   ========================================================================== */
.admin-shell {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.admin-sidebar {
    width: 220px;
    flex-shrink: 0;
    border-right: 2px solid var(--text-color);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
}

.admin-sidebar .brand { padding: 0 20px 20px; border-bottom: 1px solid var(--border-color); }

.admin-nav { display: flex; flex-direction: column; margin-top: 10px; }
.admin-nav-item {
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    color: var(--text-color);
    text-align: left;
    padding: 12px 20px;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}
.admin-nav-item:hover { background: var(--hover-bg); }
.admin-nav-item.active {
    border-left-color: var(--text-color);
    background: var(--hover-bg);
    font-weight: bold;
}

.admin-sidebar-footer {
    margin-top: auto;
    padding: 16px 20px 0;
    border-top: 1px solid var(--border-color);
}

.admin-main {
    flex: 1;
    padding: 30px 36px;
    max-width: 1100px;
}

.admin-page { display: none; }
.admin-page.active { display: block; }

.admin-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.admin-page-header h1 { margin-bottom: 4px; }
.admin-page-subtitle { opacity: 0.65; font-size: 0.85rem; margin-bottom: 0; }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.stat-card {
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    padding: 18px;
    box-shadow: var(--glow-shadow, none);
}
.stat-card .stat-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.65;
    margin-bottom: 8px;
}
.stat-card .stat-value { font-size: 2rem; font-weight: bold; }

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.toolbar .search-bar input { width: 220px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border-color); }

table.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    min-width: 760px;
}
.admin-table th, .admin-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}
.admin-table th {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 1px;
    opacity: 0.7;
    background: var(--card-bg);
}
.admin-table tr:hover td { background: var(--hover-bg); }

.pill {
    display: inline-block;
    padding: 3px 9px;
    border: 1px solid var(--border-color);
    font-size: 0.7rem;
    text-transform: uppercase;
}
.pill-upcoming { border-color: var(--success-color); color: var(--success-color); }
.pill-past { opacity: 0.6; }
.pill-published { border-color: var(--success-color); color: var(--success-color); }
.pill-draft { border-color: var(--danger-color); color: var(--danger-color); }

.theme-select {
    padding: 6px 8px;
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    font-size: 0.78rem;
    max-width: 220px;
}
.theme-select option { background: var(--bg-color); color: var(--text-color); }

.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.row-actions button {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 4px 8px;
    font-size: 0.72rem;
    cursor: pointer;
    text-transform: uppercase;
}
.row-actions button:hover { background: var(--text-color); color: var(--bg-color); }
.row-actions button.danger:hover { background: var(--danger-color); color: #000; border-color: var(--danger-color); }

.empty-state, .loading-state, .error-state {
    text-align: center;
    padding: 50px 20px;
    opacity: 0.7;
    border: 1px dashed var(--border-color);
}
.error-state { color: var(--danger-color); opacity: 1; border-color: var(--danger-color); }

.admin-guard-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}
.admin-guard-screen .guard-box { max-width: 420px; }

.tag-input-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }

/* Content management page (CMS) */
.content-section {
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 20px;
}
.content-section h3 { border-bottom: 1px solid var(--border-color); padding-bottom: 8px; }

/* ==========================================================================
   8. RESPONSIVE
   ========================================================================== */
@media (max-width: 720px) {
    .search-bar input { width: 140px; }
    main { padding: 30px 16px; }
    .admin-shell { flex-direction: column; }
    .admin-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 2px solid var(--text-color);
        flex-direction: row;
        align-items: center;
        overflow-x: auto;
        padding: 12px;
    }
    .admin-sidebar .brand { border-bottom: none; padding: 0 12px 0 0; }
    .admin-nav { flex-direction: row; margin-top: 0; }
    .admin-nav-item { border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; }
    .admin-nav-item.active { border-left-color: transparent; border-bottom-color: var(--text-color); }
    .admin-sidebar-footer { margin-top: 0; padding: 0 0 0 12px; border-top: none; }
    .admin-main { padding: 20px 16px; }
}

@media (max-width: 480px) {
    .header-controls { width: 100%; justify-content: space-between; }
    .search-bar input { width: 100%; }
    .header-controls .search-bar { flex: 1 1 100%; order: 3; }
    .modal-box { padding: 20px; }
}