:root {
    --bg: #08121f;
    --bg-soft: #102238;
    --panel: rgba(16, 30, 48, 0.92);
    --panel-alt: #132843;
    --text: #edf4ff;
    --muted: #9bb0c6;
    --line: rgba(156, 187, 224, 0.18);
    --primary: #18d2a6;
    --accent: #f7b733;
    --danger: #ff6b6b;
    --shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(24, 210, 166, 0.14), transparent 30%),
        radial-gradient(circle at top right, rgba(247, 183, 51, 0.12), transparent 22%),
        linear-gradient(180deg, #08121f, #0b1727 48%, #08111a);
    color: var(--text);
}

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

.shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.narrow-shell {
    width: min(860px, calc(100% - 32px));
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(8, 18, 31, 0.86);
    border-bottom: 1px solid var(--line);
}

.topbar,
.nav-links,
.topbar-actions,
.hero-actions,
.status-row,
.data-list,
.footer-grid,
.game-actions,
.game-header,
.demo-balance-bar,
.detail-stats,
.detail-grid,
.split-grid,
.split-admin-grid,
.metric-grid,
.admin-shell,
.wheel-stage,
.input-inline,
.list-row {
    display: flex;
}

.topbar,
.demo-balance-bar,
.game-header,
.detail-stats,
.list-row {
    justify-content: space-between;
    align-items: center;
}

.topbar {
    padding: 16px 0;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    font-size: 1.25rem;
    font-weight: 800;
    color: #062018;
    background: linear-gradient(135deg, var(--primary), #7af3ce);
    box-shadow: 0 12px 24px rgba(24, 210, 166, 0.3);
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: var(--muted);
    font-size: 0.85rem;
}

.topbar-actions,
.nav-links,
.hero-actions,
.status-row,
.game-actions,
.footer-grid,
.split-grid,
.split-admin-grid,
.metric-grid {
    gap: 16px;
}

.main-nav {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.nav-links {
    padding: 14px 0 18px;
    overflow-x: auto;
}

.nav-links a {
    padding: 10px 16px;
    border-radius: 999px;
    color: var(--muted);
    white-space: nowrap;
}

.nav-links a.active,
.nav-links a:hover,
.btn,
.progress-bar,
.pill,
.flash-message {
    transition: 0.22s ease;
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.section {
    padding: 72px 0;
}

.section-dark {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.hero {
    padding: 80px 0 56px;
}

.hero-grid,
.card-grid,
.feature-grid,
.testimonial-grid,
.game-stack {
    display: grid;
    gap: 24px;
}

.hero-grid {
    grid-template-columns: 1.25fr 0.9fr;
    align-items: center;
}

.hero h1,
.section-heading h1,
.section-heading h2 {
    margin: 0 0 14px;
    line-height: 1.05;
}

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 4.5rem);
}

.hero p,
.section-heading p,
.platform-card p,
.content-card p,
.testimonial-card p {
    color: var(--muted);
    line-height: 1.75;
}

.eyebrow {
    display: inline-flex;
    margin-bottom: 14px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(24, 210, 166, 0.12);
    color: #8bf3d8;
    letter-spacing: 0.12em;
    font-size: 0.72rem;
    text-transform: uppercase;
}

.hero-panel,
.platform-card,
.content-card,
.testimonial-card,
.game-panel,
.table-card,
.auth-card,
.metric-card,
.hero-stat {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: var(--shadow);
}

.hero-panel {
    padding: 28px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.hero-stat {
    padding: 18px;
    background: rgba(255, 255, 255, 0.03);
}

.hero-stat strong,
.metric-card strong,
.detail-stats strong {
    display: block;
    font-size: 1.6rem;
    margin-bottom: 6px;
}

.hero-stat span,
.metric-card span,
.detail-stats span,
.muted-text,
small {
    color: var(--muted);
}

.section-heading {
    margin-bottom: 26px;
}

.section-subtitle {
    margin: 30px 0 18px;
}

.feature-grid,
.card-grid,
.testimonial-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card,
.platform-card,
.content-card,
.testimonial-card,
.game-panel,
.auth-card,
.metric-card {
    padding: 24px;
}

.feature-card {
    border-radius: 24px;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
}

.feature-card a,
.platform-card a {
    color: var(--primary);
    font-weight: 700;
}

.accent-number { box-shadow: inset 0 0 0 1px rgba(24, 210, 166, 0.18); }
.accent-scratch { box-shadow: inset 0 0 0 1px rgba(247, 183, 51, 0.18); }
.accent-wheel { box-shadow: inset 0 0 0 1px rgba(118, 151, 255, 0.18); }
.accent-tournament { box-shadow: inset 0 0 0 1px rgba(255, 107, 107, 0.18); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: 14px;
    border: 1px solid transparent;
    cursor: pointer;
    font-weight: 700;
}

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

.btn-primary {
    color: #062018;
    background: linear-gradient(135deg, var(--primary), #8bf3d8);
}

.btn-ghost {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--line);
}

.full-width {
    width: 100%;
}

.balance-pill,
.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.balance-pill,
.pill {
    background: rgba(24, 210, 166, 0.12);
    color: #8bf3d8;
}

.pill-outline {
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
}

.status-row,
.data-list {
    flex-wrap: wrap;
}

.data-list {
    gap: 18px;
    margin: 18px 0;
}

.data-list div,
.detail-stats div {
    min-width: 100px;
}

.data-list dt {
    color: var(--muted);
    font-size: 0.8rem;
    margin-bottom: 6px;
}

.data-list dd {
    margin: 0;
    font-weight: 700;
}

.bullet-list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.testimonial-card footer {
    margin-top: 12px;
    color: var(--text);
    font-weight: 700;
}

.game-stack {
    grid-template-columns: 1fr;
}

.number-grid {
    display: grid;
    grid-template-columns: repeat(10, minmax(0, 1fr));
    gap: 10px;
    margin: 20px 0;
}

.number-cell {
    padding: 12px 0;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    cursor: pointer;
}

.number-cell.selected {
    background: linear-gradient(135deg, var(--primary), #7ef0d0);
    color: #072117;
}

.result-box,
.scratch-board,
.wheel-disc,
.demo-balance-bar,
.flash-message,
input {
    border-radius: 18px;
}

.result-box,
.scratch-board,
.demo-balance-bar {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
}

.result-box,
.demo-balance-bar {
    padding: 16px 18px;
}

.scratch-board {
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
    font-size: 1.3rem;
    font-weight: 800;
}

.wheel-stage {
    justify-content: center;
    align-items: center;
    margin: 24px 0;
}

.wheel-pointer {
    width: 0;
    height: 0;
    border-left: 18px solid transparent;
    border-right: 18px solid transparent;
    border-bottom: 28px solid var(--accent);
    position: absolute;
    transform: translateY(-154px);
}

.wheel-disc {
    width: 280px;
    height: 280px;
    border: 12px solid rgba(255, 255, 255, 0.06);
    background: conic-gradient(
        #18d2a6 0deg 45deg,
        #f7b733 45deg 90deg,
        #8398ff 90deg 135deg,
        #ff6b6b 135deg 180deg,
        #18d2a6 180deg 225deg,
        #f7b733 225deg 270deg,
        #8398ff 270deg 315deg,
        #505d74 315deg 360deg
    );
    position: relative;
    display: grid;
    place-items: center;
    transition: transform 3.8s cubic-bezier(.16,.84,.22,1);
}

.wheel-disc span {
    position: absolute;
    font-weight: 800;
    color: #08121f;
}

.wheel-disc span:nth-child(1) { transform: rotate(0deg) translateY(-112px); }
.wheel-disc span:nth-child(2) { transform: rotate(45deg) translateY(-112px); }
.wheel-disc span:nth-child(3) { transform: rotate(90deg) translateY(-112px); }
.wheel-disc span:nth-child(4) { transform: rotate(135deg) translateY(-112px); }
.wheel-disc span:nth-child(5) { transform: rotate(180deg) translateY(-112px); }
.wheel-disc span:nth-child(6) { transform: rotate(225deg) translateY(-112px); }
.wheel-disc span:nth-child(7) { transform: rotate(270deg) translateY(-112px); }
.wheel-disc span:nth-child(8) { transform: rotate(315deg) translateY(-112px); }

.input-inline {
    gap: 10px;
    align-items: center;
}

input {
    width: 100%;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    padding: 12px 14px;
    margin-top: 8px;
}

label {
    display: block;
    color: var(--muted);
    font-size: 0.95rem;
}

.progress-track {
    width: 100%;
    height: 12px;
    margin: 16px 0 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #8bf3d8);
}

.detail-grid,
.split-grid,
.split-admin-grid {
    gap: 24px;
}

.detail-grid,
.split-grid {
    align-items: start;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
}

.detail-stats {
    margin: 22px 0;
    gap: 16px;
    flex-wrap: wrap;
}

.table-card,
.content-card {
    margin-top: 12px;
}

.platform-table {
    width: 100%;
    border-collapse: collapse;
}

.platform-table th,
.platform-table td {
    text-align: left;
    padding: 16px 12px;
    border-bottom: 1px solid var(--line);
}

.platform-table th {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.platform-table tr:last-child td {
    border-bottom: 0;
}

.auth-card {
    max-width: 460px;
    margin: 0 auto;
}

.form-shell {
    display: grid;
}

.auth-card h1 {
    margin: 0 0 18px;
}

.auth-card button {
    margin-top: 18px;
}

.flash-message {
    margin-top: 24px;
    padding: 14px 18px;
    background: rgba(24, 210, 166, 0.1);
    border: 1px solid rgba(24, 210, 166, 0.22);
    color: #8bf3d8;
}

.site-footer {
    border-top: 1px solid var(--line);
    margin-top: 44px;
    padding: 42px 0;
}

.footer-grid {
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-grid > div {
    min-width: 180px;
}

.footer-grid a {
    display: block;
    color: var(--muted);
    margin-bottom: 8px;
}

.admin-body {
    background: #07101a;
}

.admin-shell {
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    padding: 28px 20px;
    border-right: 1px solid var(--line);
    background: rgba(4, 11, 19, 0.95);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-sidebar a {
    padding: 12px 14px;
    border-radius: 14px;
    color: var(--muted);
}

.admin-sidebar a.active,
.admin-sidebar a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
}

.admin-main {
    flex: 1;
    padding: 28px;
}

.admin-brand strong,
.admin-brand span {
    display: block;
}

.admin-brand span {
    color: var(--muted);
    margin-top: 4px;
}

.admin-header {
    margin-bottom: 22px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    margin-bottom: 22px;
}

.metric-card {
    padding: 22px;
}

.split-admin-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
}

.list-row {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}

.list-row:last-child {
    border-bottom: 0;
}

.text-center {
    text-align: center;
}

@media (max-width: 960px) {
    .hero-grid,
    .detail-grid,
    .split-admin-grid,
    .admin-shell {
        display: block;
    }

    .hero-panel,
    .detail-panel,
    .admin-sidebar {
        margin-top: 24px;
    }

    .admin-sidebar {
        width: auto;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
}

@media (max-width: 720px) {
    .number-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .hero-panel {
        grid-template-columns: 1fr;
    }

    .topbar,
    .topbar-actions,
    .demo-balance-bar,
    .game-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        gap: 8px;
    }
}