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

:root {
    --green-dark:  #1a472a;
    --green-mid:   #2d6a4f;
    --green-light: #e8f5e9;
    --orange:      #f4a261;
    --orange-dark: #e76f51;
    --red:         #c0392b;
    --text:        #333;
    --muted:       #777;
    --border:      #e0e0e0;
}

body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    min-height: 100vh;
    color: var(--text);
    font-size: 15px;
}

/* ─── HEADER ─────────────────────────────────────────────── */
.header {
    background: linear-gradient(90deg, var(--green-dark), var(--green-mid));
    color: white;
    text-align: center;
    padding: 16px 14px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}
.header h1 { font-size: clamp(1.2rem, 4vw, 2rem); letter-spacing: 0.5px; }
.header p  { font-size: 0.88rem; opacity: 0.85; margin-top: 4px; }
.badge-date {
    display: inline-block;
    background: var(--orange);
    color: #fff;
    padding: 3px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    margin-top: 8px;
    font-weight: 600;
}

/* ─── CONTAINER ──────────────────────────────────────────── */
.container { max-width: 1300px; margin: 20px auto; padding: 0 12px; }

/* ─── NOTE BOX ───────────────────────────────────────────── */
.note-box {
    background: #fff3cd;
    border-left: 5px solid var(--orange);
    padding: 11px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 0.88rem;
    color: #7d4e00;
    font-weight: 500;
    line-height: 1.5;
}
.note-box strong { color: var(--red); }

/* ─── NAV LINKS ──────────────────────────────────────────── */
.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
    margin-bottom: 14px;
}
.nav-links a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 7px 14px;
    border: 1.5px solid rgba(255,255,255,0.35);
    border-radius: 20px;
    transition: all 0.2s;
    white-space: nowrap;
}
.nav-links a:hover { background: rgba(255,255,255,0.18); }

/* ─── TABS ───────────────────────────────────────────────── */
.tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.tab-btn {
    padding: 9px 18px;
    background: rgba(255,255,255,0.14);
    color: white;
    border: 2px solid rgba(255,255,255,0.28);
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.25s;
    text-decoration: none;
    white-space: nowrap;
}
.tab-btn:hover, .tab-btn.active {
    background: var(--orange);
    border-color: var(--orange);
    color: white;
}

/* ─── STATS ──────────────────────────────────────────────── */
.stats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.stat-box {
    flex: 1; min-width: 100px;
    background: white;
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.stat-box .num { font-size: 1.8rem; font-weight: 700; color: var(--green-dark); line-height: 1; }
.stat-box .lbl { font-size: 0.72rem; color: #888; margin-top: 4px; }

/* ─── CARDS ──────────────────────────────────────────────── */
.card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.13);
}
.card h2 {
    font-size: 1.1rem;
    color: var(--green-dark);
    margin-bottom: 14px;
    border-bottom: 2px solid var(--green-light);
    padding-bottom: 8px;
}

/* ─── FORMS ──────────────────────────────────────────────── */
.form-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.form-group { flex: 1; min-width: 160px; margin-bottom: 12px; }
.form-group label {
    display: block;
    font-size: 0.82rem;
    color: #555;
    margin-bottom: 5px;
    font-weight: 600;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border 0.2s;
    -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--green-mid); outline: none; }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 11px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.92rem;
    font-weight: 700;
    transition: all 0.2s;
    text-decoration: none;
    text-align: center;
    -webkit-tap-highlight-color: transparent;
}
.btn-primary   { background: var(--green-dark); color: white; }
.btn-primary:hover { background: var(--green-mid); }
.btn-danger    { background: var(--red); color: white; font-size: 0.78rem; padding: 6px 12px; }
.btn-danger:hover { background: #e74c3c; }
.btn-register  { background: var(--orange); color: white; font-size: 0.82rem; padding: 9px 14px; border-radius: 8px; }
.btn-register:hover { background: var(--orange-dark); }
.btn-success   { background: #27ae60; color: white; }
.btn-success:hover { background: #2ecc71; }

/* ─── ALERTS ─────────────────────────────────────────────── */
.alert {
    padding: 11px 16px;
    border-radius: 8px;
    margin-bottom: 14px;
    font-weight: 600;
    font-size: 0.9rem;
}
.alert-success { background: #d4edda; color: #155724; border-left: 4px solid #28a745; }
.alert-error   { background: #f8d7da; color: #721c24; border-left: 4px solid #dc3545; }

/* ─── DESKTOP TABLE ──────────────────────────────────────── */
.timetable-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.scroll-hint {
    display: none;
    font-size: 0.75rem;
    color: #aaa;
    text-align: center;
    padding: 4px 0 8px;
}

table.timetable {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
    min-width: 860px;
}
table.timetable th {
    background: var(--green-dark);
    color: white;
    padding: 11px 9px;
    text-align: center;
    font-size: 0.8rem;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
table.timetable td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    text-align: center;
}
table.timetable tr:nth-child(even) { background: #f9f9f9; }
table.timetable tr:hover { background: var(--green-light); }

/* ─── MOBILE MATCH CARDS ─────────────────────────────────── */
.match-cards { display: none; }

.match-card {
    background: white;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.12);
    overflow: hidden;
}
.match-card-header {
    background: var(--green-dark);
    color: white;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.match-card-header .mc-no {
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1rem;
    flex-shrink: 0;
}
.match-card-header .mc-time {
    font-size: 0.9rem;
    font-weight: 600;
    text-align: right;
}
.match-card-header .mc-time small { opacity: 0.75; font-size: 0.75rem; }

.match-teams {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0;
    padding: 14px;
    align-items: start;
}
.match-team { text-align: center; }
.match-team .mt-name {
    font-weight: 700;
    color: var(--green-dark);
    font-size: 0.92rem;
    line-height: 1.2;
}
.match-team .mt-college { font-size: 0.72rem; color: var(--muted); margin-top: 2px; }
.match-team .mt-city {
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--orange);
    margin-top: 2px;
}
.match-vs {
    align-self: center;
    background: var(--orange);
    color: white;
    border-radius: 50%;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
    margin: 0 6px;
}

.match-players {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--border);
}
.match-players-team {
    padding: 12px 12px;
    border-right: 1px solid var(--border);
}
.match-players-team:last-child { border-right: none; }
.match-players-team .mpt-header {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--green-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}
.mpt-player {
    display: flex;
    align-items: baseline;
    gap: 4px;
    padding: 3px 0;
    border-bottom: 1px dashed #f0f0f0;
    font-size: 0.76rem;
}
.mpt-player:last-child { border-bottom: none; }
.mpt-num { color: #bbb; font-size: 0.68rem; min-width: 14px; flex-shrink: 0; }
.mpt-name-confirmed { color: #27ae60; font-weight: 600; }
.mpt-name-empty { color: #ccc; font-style: italic; }
.mpt-roll { color: #aaa; font-size: 0.65rem; }

.match-card-footer {
    padding: 12px 14px;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    background: #fafafa;
}
.mc-slot-status {
    font-size: 0.72rem;
    margin-top: 4px;
    text-align: center;
}
.status-open { color: #27ae60; font-weight: 600; }
.status-full { color: var(--red); font-weight: 700; }

/* ─── SHARED TIMETABLE ELEMENTS ──────────────────────────── */
.match-no {
    background: var(--green-dark);
    color: white;
    border-radius: 50%;
    width: 30px; height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}
.time-slot { font-weight: 700; color: var(--green-mid); font-size: 0.88rem; white-space: nowrap; }
.team-name { font-weight: 700; color: var(--green-dark); font-size: 0.9rem; }
.college-city { color: var(--muted); font-size: 0.75rem; margin-top: 2px; }
.vs-badge {
    background: var(--orange);
    color: white;
    border-radius: 50%;
    padding: 5px 8px;
    font-weight: 700;
    font-size: 0.82rem;
}
.players-list { list-style: none; text-align: left; font-size: 0.8rem; }
.players-list li {
    padding: 3px 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    align-items: baseline;
    gap: 4px;
}
.players-list li .slot-no { color: #bbb; font-size: 0.72rem; min-width: 16px; flex-shrink: 0; }
.players-list li .confirmed { color: #27ae60; font-weight: 600; }
.players-list li .empty { color: #ccc; font-style: italic; }
.slot-count { font-size: 0.72rem; margin-top: 4px; }
.full-slot { color: var(--red); font-weight: 700; }
.open-slot { color: #27ae60; }

/* ─── EMPTY STATE ────────────────────────────────────────── */
.empty-state { text-align: center; padding: 40px 20px; color: #aaa; }
.empty-state .icon { font-size: 2.8rem; margin-bottom: 10px; }

/* ─── REGISTER PAGE ──────────────────────────────────────── */
.register-card {
    max-width: 520px;
    margin: 20px auto;
    background: white;
    border-radius: 14px;
    padding: 24px 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.18);
}
.register-card h2 { color: var(--green-dark); margin-bottom: 18px; text-align: center; }

.team-choice { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.team-card {
    flex: 1; min-width: 130px;
    padding: 14px 10px;
    border: 2px solid #ddd;
    border-radius: 10px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
}
.team-card:hover, .team-card.selected { border-color: var(--green-dark); background: var(--green-light); }
.team-card input[type=radio] { display: none; }
.team-card .tc-name { font-weight: 700; color: var(--green-dark); font-size: 0.9rem; line-height: 1.3; }
.team-card .tc-info { font-size: 0.75rem; color: var(--muted); margin-top: 3px; }
.tc-count { font-size: 0.72rem; margin-top: 6px; font-weight: 600; }
.tc-full { color: var(--red); }
.tc-open { color: #27ae60; }

.match-info-box {
    background: var(--green-light);
    border-radius: 8px;
    padding: 11px 14px;
    margin-bottom: 16px;
    font-size: 0.88rem;
}
.match-info-box strong { color: var(--green-dark); }

/* step divider */
.step-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: #555;
    margin-bottom: 8px;
    display: block;
}

/* ─── ADMIN TABLE ────────────────────────────────────────── */
.reg-table th { background: var(--green-dark); color: white; padding: 10px 8px; font-size: 0.78rem; }
.reg-table td { padding: 8px 8px; border-bottom: 1px solid #eee; font-size: 0.82rem; }
.reg-table tr:nth-child(even) { background: #f5f5f5; }
.match-badge { background: var(--green-dark); color: white; border-radius: 5px; padding: 2px 7px; font-size: 0.75rem; }
.confirmed-badge { background: #27ae60; color: white; border-radius: 12px; padding: 2px 9px; font-size: 0.72rem; }
.backup-badge { background: var(--orange); color: white; border-radius: 12px; padding: 2px 9px; font-size: 0.72rem; }

/* slot picker */
.slot-picker { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.slot-btn {
    padding: 6px 11px; border: 2px solid #ddd; border-radius: 6px; cursor: pointer;
    font-size: 0.76rem; background: white; transition: all 0.2s; white-space: nowrap;
}
.slot-btn:hover { border-color: var(--green-mid); color: var(--green-mid); }
.slot-btn.selected { background: var(--green-dark); color: white; border-color: var(--green-dark); }

/* ─── ADMIN MATCH CARDS ──────────────────────────────────── */
.admin-match-card {
    border: 1.5px solid var(--border);
    border-radius: 10px;
    margin-bottom: 18px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}
.amc-header {
    background: var(--green-dark);
    color: white;
    padding: 11px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.amc-time { font-size: 0.88rem; font-weight: 700; }
.amc-body {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0;
}
.amc-vs {
    display: flex;
    align-items: center;
    padding: 0 10px;
    background: #f9f9f9;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
}
.amc-team { padding: 14px 16px; }
.amc-team-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    gap: 8px;
}
.amc-count {
    font-size: 1rem;
    font-weight: 700;
    border-radius: 6px;
    padding: 4px 10px;
    white-space: nowrap;
    flex-shrink: 0;
}
.count-ok  { background: #d4edda; color: #155724; }
.count-low { background: #fff3cd; color: #856404; }

.amc-players { list-style: none; font-size: 0.82rem; }
.amc-players li {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
    border-bottom: 1px dashed #f0f0f0;
}
.amc-players li:last-child { border-bottom: none; }
.amc-slot { color: #bbb; font-size: 0.72rem; min-width: 18px; flex-shrink: 0; }

.amc-filled .amc-pname { font-weight: 600; color: #1a472a; }
.amc-filled .amc-roll  { font-size: 0.72rem; color: #aaa; }
.amc-backup .amc-pname { font-weight: 600; color: #e67e22; }
.amc-backup .amc-roll  { font-size: 0.72rem; color: #aaa; }
.amc-empty .amc-open   { color: #ccc; font-style: italic; }
.amc-badge-backup {
    background: var(--orange);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 8px;
    margin-left: auto;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .amc-body { grid-template-columns: 1fr; }
    .amc-vs { padding: 10px; justify-content: center; border-left: none; border-right: none; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .amc-header { flex-direction: column; align-items: flex-start; }
}

/* print */
@media print {
    .no-print { display: none !important; }
    body { background: white !important; }
    .header { background: var(--green-dark) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    table.timetable th { background: var(--green-dark) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .match-cards { display: none !important; }
    .timetable-wrap { display: block !important; overflow: visible; }
    table.timetable { min-width: 0; font-size: 0.75rem; }
}

/* ─── MOBILE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    body { font-size: 14px; }

    .container { padding: 0 10px; margin: 12px auto; }

    /* hide desktop table, show cards */
    .timetable-wrap { display: none; }
    .match-cards { display: block; }
    .scroll-hint { display: none; }

    /* stats: 2 columns */
    .stats { display: grid; grid-template-columns: 1fr 1fr; }
    .stat-box .num { font-size: 1.5rem; }

    /* tabs scroll horizontally */
    .tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
    .tab-btn { white-space: nowrap; flex-shrink: 0; padding: 8px 14px; font-size: 0.8rem; }

    /* nav wraps */
    .nav-links { justify-content: flex-start; }

    /* form rows go single column */
    .form-row { flex-direction: column; gap: 0; }
    .form-group { min-width: 100%; }

    .card { padding: 16px 14px; }
    .card h2 { font-size: 1rem; }

    .register-card { padding: 18px 14px; }

    /* team choice cards: side by side */
    .team-choice { gap: 8px; }
    .team-card { min-width: 120px; padding: 12px 8px; }

    /* admin table: scroll */
    .timetable-wrap.admin-table { display: block; overflow-x: auto; }
    table.timetable.reg-table { display: table; min-width: 700px; }

    .btn { padding: 12px 20px; }
    .btn-register { width: 100%; display: block; }

    /* large touch targets */
    .form-group input,
    .form-group select { padding: 12px; font-size: 1rem; }
}

@media (max-width: 400px) {
    .header h1 { font-size: 1.1rem; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .match-teams { padding: 10px 8px; }
    .match-card-footer { padding: 10px; gap: 8px; }
}