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

:root {
    --bg-deep: #06080f;
    --bg-card: #0d1117;
    --bg-elevated: #161b26;
    --accent: #f97316;
    --accent-glow: rgba(249, 115, 22, 0.15);
    --accent-soft: #fdba74;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(255,255,255,0.06);
    --border-strong: rgba(255,255,255,0.12);
    --green: #22c55e;
    --green-glow: rgba(34, 197, 94, 0.15);
    --red: #ef4444;
    --blue: #3b82f6;
    --blue-glow: rgba(59, 130, 246, 0.15);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ---- NAV ---- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(6,8,15,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    cursor: pointer;
    text-decoration: none;
}
.logo span { color: var(--accent); }
.nav-tag {
    font-size: 0.7rem;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 0.25rem 0.65rem;
    border-radius: 100px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.nav-actions { display: flex; gap: 0.75rem; align-items: center; }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.5rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: 'DM Sans', sans-serif;
    text-decoration: none;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 20px rgba(249,115,22,0.3);
}
.btn-primary:hover {
    background: #ea580c;
    box-shadow: 0 0 30px rgba(249,115,22,0.4);
    transform: translateY(-1px);
}
.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--accent);
}
.btn-sm {
    padding: 0.45rem 1rem;
    font-size: 0.8rem;
    border-radius: 8px;
}
.btn-green {
    background: var(--green);
    color: #fff;
}
.btn-green:hover { background: #16a34a; }

/* ---- HERO ---- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(249,115,22,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    background: var(--accent-glow);
    border: 1px solid rgba(249,115,22,0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--accent-soft);
    margin-bottom: 2rem;
}
.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    max-width: 700px;
}
.hero h1 .accent { color: var(--accent); }
.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 2.5rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

/* ---- FEATURES ---- */
.features {
    padding: 5rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}
.features h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.75rem;
    transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(249,115,22,0.3); }
.feature-icon {
    width: 44px;
    height: 44px;
    background: var(--accent-glow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ---- CREATE FORM ---- */
.page-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 6rem 2rem 3rem;
}
.page-container h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}
.page-container .subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
}
.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'DM Sans', sans-serif;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

/* Format selector */
.format-options {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.75rem;
}
.format-option {
    background: var(--bg-elevated);
    border: 2px solid var(--border-strong);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}
.format-option:hover { border-color: var(--text-muted); }
.format-option.selected {
    border-color: var(--accent);
    background: var(--accent-glow);
}
.format-option .icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.format-option .name {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}
.format-option .desc {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Teams input */
.teams-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.team-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.team-row .seed {
    width: 32px;
    height: 32px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    flex-shrink: 0;
}
.team-row input {
    flex: 1;
    padding: 0.55rem 0.85rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: 'DM Sans', sans-serif;
}
.team-row input:focus {
    outline: none;
    border-color: var(--accent);
}
.team-row .remove-team {
    width: 32px;
    height: 32px;
    background: none;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}
.team-row .remove-team:hover {
    border-color: var(--red);
    color: var(--red);
}
.add-team-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem;
    background: none;
    border: 1px dashed var(--border-strong);
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s;
    margin-top: 0.5rem;
}
.add-team-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.form-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
}
.form-actions .btn { flex: 1; justify-content: center; }

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- BRACKET VIEW ---- */
.bracket-header {
    padding: 6rem 2rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}
.bracket-header h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    letter-spacing: -0.02em;
}
.bracket-meta {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}
.bracket-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.bracket-meta .meta-item .icon { font-size: 1rem; }

.share-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    max-width: fit-content;
}
.share-bar .share-url {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    color: var(--accent-soft);
}
.share-bar .copy-btn {
    padding: 0.35rem 0.75rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.8rem;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s;
}
.share-bar .copy-btn:hover {
    border-color: var(--accent);
}

.bracket-container {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
}

/* Bracket rounds layout */
.bracket-rounds {
    display: flex;
    gap: 2rem;
    min-width: fit-content;
    align-items: flex-start;
}
.bracket-round {
    min-width: 240px;
}
.round-header {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
    text-align: center;
}
.round-games {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    min-height: 100%;
}

/* Game card */
.game-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.2s;
}
.game-card:hover { border-color: var(--border-strong); }
.game-card.completed { opacity: 0.85; }
.game-card.in-progress { border-color: var(--accent); }

.game-team {
    display: flex;
    align-items: center;
    padding: 0.6rem 0.85rem;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    cursor: default;
}
.game-team:last-child { border-bottom: none; }
.game-team.winner { background: rgba(34,197,94,0.06); }
.game-team .team-seed {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    width: 20px;
    text-align: center;
}
.game-team .team-name {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 500;
}
.game-team .team-name.tbd {
    color: var(--text-muted);
    font-style: italic;
}
.game-team .team-score {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    min-width: 28px;
    text-align: center;
}
.game-team.winner .team-score { color: var(--green); }

.game-info {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0.85rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    background: rgba(0,0,0,0.2);
}

/* Score entry */
.score-entry-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}
.score-entry-modal {
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: 16px;
    padding: 2rem;
    width: 90%;
    max-width: 400px;
}
.score-entry-modal h3 {
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 1.5rem;
    text-align: center;
}
.score-team-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.score-team-row .team-label {
    flex: 1;
    font-weight: 600;
}
.score-team-row input {
    width: 80px;
    padding: 0.6rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    text-align: center;
}
.score-team-row input:focus {
    outline: none;
    border-color: var(--accent);
}
.score-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}
.score-actions .btn { flex: 1; justify-content: center; }

/* Round Robin Table */
.rr-container {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
}
.rr-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}
.rr-table th, .rr-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}
.rr-table th {
    background: var(--bg-elevated);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}
.rr-table tr:last-child td { border-bottom: none; }
.rr-table .standing-pos {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--text-muted);
}
.rr-table .team-name-cell {
    font-weight: 600;
}
.rr-table .win { color: var(--green); }
.rr-table .loss { color: var(--red); }

.rr-games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

/* Schedule timeline */
.schedule-section {
    padding: 0 2rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}
.schedule-section h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}
.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.75rem;
}
.schedule-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
}
.schedule-item .time {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-soft);
    min-width: 60px;
}
.schedule-item .matchup {
    font-size: 0.85rem;
    font-weight: 500;
}
.schedule-item .court-badge {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-elevated);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

/* Status badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.status-badge.active {
    background: var(--green-glow);
    color: var(--green);
}
.status-badge.completed {
    background: var(--blue-glow);
    color: var(--blue);
}
.status-badge.draft {
    background: var(--accent-glow);
    color: var(--accent);
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
    nav { padding: 0.75rem 1rem; }
    .hero { padding: 6rem 1.25rem 3rem; }
    .hero h1 { font-size: 2rem; }
    .format-options { grid-template-columns: 1fr; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .bracket-rounds { gap: 1rem; }
    .bracket-round { min-width: 200px; }
    .page-container { padding: 5rem 1.25rem 2rem; }
    .schedule-grid { grid-template-columns: 1fr; }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.3s ease-out; }

/* Toast notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 0.85rem 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-primary);
    z-index: 300;
    animation: slideUp 0.3s ease-out;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}