:root {
    --font-main: "Poppins", "Segoe UI", sans-serif;
    --font-display: "Space Grotesk", "Poppins", sans-serif;
    --color-ink: #1a1a1a;
    --color-muted: #5b5f6a;
    --color-card: rgba(255, 255, 255, 0.82);
    --color-line: rgba(18, 20, 24, 0.08);
    --color-accent: #ff6b2d;
    --color-accent-2: #1da1ff;
    --color-chip: rgba(255, 255, 255, 0.6);
    --color-shadow: rgba(17, 24, 39, 0.16);
    --page-bg: radial-gradient(circle at top, #f6f0e8 0%, #f4f6fb 50%, #e9f1ff 100%);
}

body.theme-dark {
    --color-ink: #f5f5f5;
    --color-muted: #a7acb7;
    --color-card: rgba(18, 20, 28, 0.75);
    --color-line: rgba(255, 255, 255, 0.08);
    --color-chip: rgba(255, 255, 255, 0.08);
    --color-shadow: rgba(0, 0, 0, 0.35);
    --page-bg: radial-gradient(circle at top, #0f131f 0%, #151a28 55%, #0b0f18 100%);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-main);
    background: var(--page-bg);
    color: var(--color-ink);
    min-height: 100vh;
}

.page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(260px, 1.2fr) minmax(260px, 1fr);
    gap: 32px;
    align-items: center;
    margin-bottom: 40px;
}

.hero-copy h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 2vw + 2rem, 3.3rem);
    margin: 16px 0 12px;
    letter-spacing: -0.02em;
}

.hero-copy p {
    margin: 0;
    color: var(--color-muted);
    font-size: 1.05rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 107, 45, 0.15);
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
}

.control-panel {
    background: var(--color-card);
    border-radius: 24px;
    padding: 24px;
    border: 1px solid var(--color-line);
    box-shadow: 0 20px 45px var(--color-shadow);
    backdrop-filter: blur(18px);
    display: grid;
    gap: 18px;
}

.control-group {
    display: grid;
    gap: 10px;
}

.control-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.control-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.chip {
    border: 1px solid var(--color-line);
    background: var(--color-chip);
    color: var(--color-ink);
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.chip.is-active {
    background: linear-gradient(135deg, rgba(255, 107, 45, 0.2), rgba(29, 161, 255, 0.2));
    border-color: rgba(255, 107, 45, 0.45);
    color: var(--color-ink);
}

.chip:hover {
    transform: translateY(-1px);
}

select {
    border: 1px solid var(--color-line);
    background: rgba(255, 255, 255, 0.65);
    color: var(--color-ink);
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 1rem;
    font-weight: 600;
}

body.theme-dark select {
    background: rgba(8, 10, 16, 0.6);
}

.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.game-card {
    background: var(--color-card);
    border-radius: 22px;
    padding: 20px;
    border: 1px solid var(--color-line);
    box-shadow: 0 16px 35px var(--color-shadow);
    backdrop-filter: blur(12px);
    display: grid;
    gap: 16px;
}

.game-card h3 {
    margin: 0;
    font-size: 1.1rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.ball-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    min-height: 48px;
    align-items: center;
}

.ball {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: radial-gradient(circle at top, #fff2d9, #ffb067);
    color: #1d1b1b;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 18px rgba(255, 120, 60, 0.35);
    animation: pop 0.3s ease;
}

.empty-state {
    font-size: 0.95rem;
    color: var(--color-muted);
}

.game-actions {
    display: flex;
    gap: 12px;
}

.btn {
    border: none;
    padding: 10px 14px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
    background: linear-gradient(135deg, #ff6b2d, #ff9f1c);
    color: #151515;
    box-shadow: 0 12px 24px rgba(255, 107, 45, 0.25);
}

.btn.ghost {
    background: rgba(29, 161, 255, 0.16);
    color: var(--color-ink);
    border: 1px solid rgba(29, 161, 255, 0.35);
}

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

.modal {
    position: fixed;
    inset: 0;
    background: rgba(8, 10, 18, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

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

.modal-card {
    background: var(--color-card);
    border-radius: 24px;
    padding: 22px;
    max-width: 520px;
    width: 100%;
    border: 1px solid var(--color-line);
    box-shadow: 0 20px 40px var(--color-shadow);
    backdrop-filter: blur(16px);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.3rem;
}

.icon-btn {
    border: none;
    background: transparent;
    color: var(--color-ink);
    font-size: 1.6rem;
    cursor: pointer;
}

.number-grid {
    margin: 18px 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
    gap: 10px;
}

.number-chip {
    border: 1px solid var(--color-line);
    background: rgba(255, 255, 255, 0.7);
    border-radius: 14px;
    padding: 10px 0;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

body.theme-dark .number-chip {
    background: rgba(6, 8, 12, 0.7);
}

.number-chip.selected {
    background: linear-gradient(135deg, #1da1ff, #6c63ff);
    color: #fff;
    border-color: rgba(108, 99, 255, 0.7);
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

@keyframes pop {
    from {
        transform: scale(0.85);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
    }
}