@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,400&display=swap');

:root {
    --bg: #050505;
    --surface: #0f0f0f;
    --surface2: #161616;
    --border: rgba(255,255,255,0.08);
    --border-hover: rgba(255,255,255,0.18);

    --grad-start: #9b5cf6;
    --grad-mid: #c054d4;
    --grad-end: #f0664a;

    --text: #f0f0f0;
    --text-muted: #888;
    --text-dim: #444;

    --accent: #9b5cf6;
    --accent2: #f0664a;
    --danger: #ef4444;
    --success: #34d399;

    --sidebar-width: 260px;
    --radius: 14px;
    --radius-lg: 20px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'DM Sans', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; }

/* ── LOGIN PAGE ── */
.login-wrapper {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bg);
    overflow: hidden;
}

.login-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3rem;
    overflow: hidden;
    background: #080808;
}

.login-hero::before {
    content: '';
    position: absolute;
    top: -200px; left: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(155,92,246,0.22) 0%, transparent 70%);
    pointer-events: none;
}

.login-hero::after {
    content: '';
    position: absolute;
    bottom: -150px; right: -100px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(240,102,74,0.18) 0%, transparent 70%);
    pointer-events: none;
}

.hero-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.hero-brand img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.hero-brand-text {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.02em;
    background: linear-gradient(90deg, var(--grad-start), var(--grad-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-headline {
    position: relative;
    z-index: 1;
}

.hero-headline h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(3rem, 5.5vw, 5.5rem);
    line-height: 1.0;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--grad-start) 0%, var(--grad-mid) 50%, var(--grad-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
}

.hero-headline p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 340px;
    line-height: 1.75;
}

.hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.hero-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 40px;
    font-size: 0.78rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.03);
}

.login-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2.5rem;
    background: var(--bg);
}

.login-card {
    width: 100%;
    max-width: 420px;
}

.login-card-header { margin-bottom: 2.5rem; }

.admin-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(155,92,246,0.12);
    border: 1px solid rgba(155,92,246,0.25);
    border-radius: 40px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.login-card-header h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.15;
    margin-bottom: 0.5rem;
}

.login-card-header p { color: var(--text-muted); font-size: 0.88rem; }

.login-form { display: flex; flex-direction: column; gap: 1.25rem; }

.input-group label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.input-group input {
    width: 100%;
    padding: 0.9rem 1.1rem;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95rem;
    font-family: 'DM Sans', sans-serif;
    outline: none;
    transition: all 0.2s;
}

.input-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(155,92,246,0.12);
    background: #111;
}

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

.btn-login {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: var(--radius);
    font-family: 'Syne', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
    margin-top: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn-login:hover { opacity: 0.88; transform: translateY(-1px); box-shadow: 0 8px 25px rgba(155,92,246,0.3); }

.btn-login .arrow { transition: transform 0.2s; }
.btn-login:hover .arrow { transform: translateX(4px); }

.alert-error {
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.2);
    color: #f87171;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 10px;
}
.login-footer::before, .login-footer::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── APP LAYOUT ── */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0; top: 0; z-index: 50;
}

.brand {
    height: 64px;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.brand img { width: 34px; height: 34px; object-fit: contain; }

.brand-name {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 0.9rem;
    background: linear-gradient(90deg, var(--grad-start), var(--grad-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu { flex: 1; padding: 1.25rem 0.875rem; overflow-y: auto; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.65rem 1rem;
    color: var(--text-muted);
    border-radius: 10px;
    margin-bottom: 3px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.18s;
}

.nav-item:hover { background: rgba(255,255,255,0.04); color: var(--text); }

.nav-item.active {
    background: rgba(155,92,246,0.1);
    color: var(--accent);
    border: 1px solid rgba(155,92,246,0.18);
}

.nav-item .icon { font-size: 1rem; flex-shrink: 0; }

.nav-divider {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-dim);
    font-weight: 700;
    padding: 1rem 1rem 0.35rem;
}

.user-profile {
    padding: 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
    color: white;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-family: 'Syne', sans-serif;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.user-info { flex: 1; overflow: hidden; }
.user-info strong { display: block; font-size: 0.82rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-info small { color: var(--text-muted); font-size: 0.72rem; }

.logout-btn {
    width: 28px; height: 28px;
    display: grid; place-items: center;
    border-radius: 7px;
    color: var(--text-dim);
    font-size: 1rem;
    transition: all 0.2s;
    flex-shrink: 0;
}
.logout-btn:hover { background: rgba(239,68,68,0.1); color: var(--danger); }

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    min-height: 100vh;
    background: var(--bg);
}

.section { margin-bottom: 3rem; scroll-margin-top: 2rem; }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.header-title h1 {
    font-family: 'Syne', sans-serif;
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.header-title p { color: var(--text-muted); font-size: 0.88rem; margin-top: 4px; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.p-4 { padding: 1.5rem; }

.card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.95rem;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 0.88rem;
    font-family: 'DM Sans', sans-serif;
    outline: none;
    transition: all 0.18s;
}

.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(155,92,246,0.09); }
.form-control option { background: #1a1a1a; }
textarea.form-control { resize: vertical; }

.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.45rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.6rem 1.2rem;
    border-radius: 9px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.btn-primary { background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); color: white; }
.btn-primary:hover { opacity: 0.84; transform: translateY(-1px); }

.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-muted); }
.btn-outline:hover { border-color: var(--border-hover); color: var(--text); background: rgba(255,255,255,0.04); }

.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.78rem; }

/* Strand tabs */
.strand-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    background: var(--surface);
    padding: 10px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.strand-tab {
    padding: 7px 18px;
    border-radius: 8px;
    background: transparent;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.22s;
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--text-muted);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.strand-tab:hover { border-color: var(--border-hover); color: var(--text); background: rgba(255,255,255,0.04); }
.strand-tab.active { color: white; border-color: transparent; }
.strand-tab.ict.active { background: linear-gradient(135deg,#3b82f6,#1e40af); box-shadow:0 3px 12px rgba(59,130,246,.3); }
.strand-tab.abm.active { background: linear-gradient(135deg,#10b981,#059669); box-shadow:0 3px 12px rgba(16,185,129,.3); }
.strand-tab.humss.active { background: linear-gradient(135deg,#f59e0b,#d97706); box-shadow:0 3px 12px rgba(245,158,11,.3); }
.strand-tab.gas.active { background: linear-gradient(135deg,#ef4444,#dc2626); box-shadow:0 3px 12px rgba(239,68,68,.3); }
.strand-tab.stem.active { background: linear-gradient(135deg,#8b5cf6,#6d28d9); box-shadow:0 3px 12px rgba(139,92,246,.3); }

.current-strand-badge {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(155,92,246,0.12);
    border: 1px solid rgba(155,92,246,0.22);
    color: var(--accent);
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Calendar */
.calendar-wrapper { border-radius: var(--radius-lg); overflow: hidden; }

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7,1fr);
    background: var(--border);
    gap: 1px;
}

.cal-head {
    background: var(--surface2);
    padding: 0.7rem;
    text-align: center;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
}

.cal-cell {
    background: var(--surface);
    min-height: 130px;
    padding: 0.55rem;
    transition: background 0.15s;
}

.cal-cell.empty { background: var(--bg); }
.cal-cell.today { background: rgba(155,92,246,0.05); }
.cal-cell.today .day-number { color: var(--accent); font-weight: 800; }

.day-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dim);
    margin-bottom: 0.35rem;
    display: block;
}

.events-stack { display: flex; flex-direction: column; gap: 3px; }

.event-chip {
    background: rgba(59,130,246,0.1);
    color: #93c5fd;
    padding: 3px 7px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-left: 2px solid #3b82f6;
    transition: all 0.15s;
}
.event-chip:hover { background: rgba(59,130,246,0.2); transform: translateX(2px); }
.event-chip.has-img { border-left-color: var(--success); background: rgba(52,211,153,0.09); color: #6ee7b7; }

.calendar-nav { display: flex; align-items: center; gap: 0.7rem; }

.current-date {
    font-family: 'Syne', sans-serif;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text);
    min-width: 130px;
    text-align: center;
}

/* Search */
.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px,1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.search-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--surface2);
}
.search-card:hover { border-color: rgba(155,92,246,0.28); box-shadow: 0 4px 18px rgba(155,92,246,0.1); transform: translateY(-2px); }
.search-img { height: 100px; background-size: cover; background-position: center; }
.search-info { padding: 0.8rem; }
.search-info h4 { margin-bottom: 3px; font-size: 0.88rem; font-weight: 600; color: var(--text); }
.search-info small { color: var(--text-muted); font-size: 0.75rem; }
.no-results { color: var(--text-dim); text-align: center; padding: 2rem; font-size: 0.88rem; }

/* Admin */
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

.events-list-simple { max-height: 380px; overflow-y: auto; }
.events-list-simple::-webkit-scrollbar { width: 3px; }
.events-list-simple::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.12s;
}
.list-item:last-child { border-bottom: none; }
.list-item:hover { background: rgba(255,255,255,0.02); }

.list-content { cursor: pointer; flex: 1; }
.list-content strong { display: block; font-size: 0.85rem; color: var(--text); margin-bottom: 2px; }
.list-content .text-muted { font-size: 0.72rem; color: var(--text-muted); }

.btn-icon.delete { font-size: 1rem; padding: 5px 7px; border-radius: 7px; color: var(--text-dim); transition: all 0.2s; }
.btn-icon.delete:hover { background: rgba(239,68,68,0.1); color: var(--danger); }

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 200;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(8px);
}

.modal-content {
    background: var(--surface);
    width: 90%;
    max-width: 500px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border);
    box-shadow: 0 30px 70px rgba(0,0,0,0.6);
    animation: slideUp 0.3s cubic-bezier(0.16,1,0.3,1);
}

@keyframes slideUp {
    from { transform: translateY(30px) scale(0.97); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.close-modal {
    position: absolute;
    top: 12px; right: 16px;
    font-size: 22px;
    color: rgba(255,255,255,0.55);
    cursor: pointer;
    z-index: 2;
    line-height: 1;
    transition: color 0.2s;
}
.close-modal:hover { color: white; }

.modal-cover { height: 200px; background-color: #151520; background-size: cover; background-position: center; }
.modal-body { padding: 1.5rem; }

.modal-body h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.modal-meta { margin-bottom: 1rem; display: flex; gap: 8px; flex-wrap: wrap; }

.badge {
    background: rgba(255,255,255,0.06);
    color: var(--text-muted);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.76rem;
    font-weight: 600;
    border: 1px solid var(--border);
}

#modalDesc { color: var(--text-muted); font-size: 0.88rem; line-height: 1.75; }

/* Banner */
.banner-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    display: block;
    border: 1px solid var(--border);
}

.side-images { display: flex; gap: 1rem; margin-bottom: 1.5rem; }
.side-images img { width: 50%; border-radius: var(--radius); border: 1px solid var(--border); object-fit: cover; }

.main-footer {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.75rem;
    padding: 2rem 0 1rem;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }

@media (max-width: 900px) {
    .login-wrapper { grid-template-columns: 1fr; }
    .login-hero { display: none; }
    .login-form-panel { padding: 2rem 1.5rem; }

    .sidebar { width: 60px; }
    .brand-name, .nav-item span:not(.icon), .user-info, .nav-divider { display: none; }
    .brand { padding: 0 0.75rem; justify-content: center; }
    .brand img { width: 28px; height: 28px; }
    .nav-item { justify-content: center; padding: 0.85rem 0; }
    .nav-item .icon { margin: 0; font-size: 1.15rem; }
    .user-profile { justify-content: center; padding: 0.75rem; }
    .logout-btn { width: auto; }

    .main-content { margin-left: 60px; padding: 1rem; }
    .admin-grid { grid-template-columns: 1fr; }
    .strand-tabs { gap: 6px; }
    .strand-tab { font-size: 0.75rem; padding: 5px 10px; }
    .form-row { grid-template-columns: 1fr; }
    .side-images { flex-direction: column; }
    .side-images img { width: 100%; }
    .banner-img { height: 160px; }
}