/* ═══════════════════════════════════════════════════════════
   Map11 — Shared Design System
   Apple-inspired dark UI. Consistent across all secondary pages.
   ═══════════════════════════════════════════════════════════ */

/* ── Design Tokens ───────────────────────────────────────── */
:root {
    /* Brand accent */
    --blue:          #0a84ff;
    --blue-dim:      rgba(10, 132, 255, 0.14);
    --blue-border:   rgba(10, 132, 255, 0.32);
    --gold:          #ffd60a;
    --gold-dim:      rgba(255, 214, 10, 0.12);
    --gold-border:   rgba(255, 214, 10, 0.28);
    --red:           #ff453a;
    --red-dim:       rgba(255, 69, 58, 0.12);
    --red-border:    rgba(255, 69, 58, 0.3);
    --green:         #30d158;
    --green-dim:     rgba(48, 209, 88, 0.12);
    --green-border:  rgba(48, 209, 88, 0.28);

    /* Text — iOS dark mode scale */
    --text-primary:   rgba(255, 255, 255, 0.94);
    --text-secondary: rgba(235, 235, 245, 0.6);
    --text-tertiary:  rgba(235, 235, 245, 0.3);
    --text-muted:     rgba(235, 235, 245, 0.18);

    /* Surfaces */
    --border:         rgba(255, 255, 255, 0.1);
    --border-strong:  rgba(255, 255, 255, 0.2);
    --surface:        rgba(255, 255, 255, 0.05);
    --surface-hover:  rgba(255, 255, 255, 0.09);
    --surface-active: rgba(255, 255, 255, 0.14);

    /* Radius — iOS-style */
    --r-xs:  6px;
    --r-sm:  10px;
    --r-md:  14px;
    --r-lg:  18px;
    --r-xl:  22px;
    --r-2xl: 28px;
    --r-pill: 999px;

    /* Blur — saturate(180%) is Apple's vibrancy formula */
    --blur-sm: saturate(180%) blur(12px);
    --blur-md: saturate(180%) blur(24px);
    --blur-lg: saturate(180%) blur(40px);

    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
    --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.12);

    /* Font — SF Pro on Apple devices, Inter elsewhere */
    --font: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', system-ui, sans-serif;

    /* Transitions */
    --ease: 0.16s ease;
    --ease-spring: 0.38s cubic-bezier(0.32, 0.72, 0, 1);
}

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

/* ── Base ────────────────────────────────────────────────── */
html, body {
    min-height: 100%;
    font-family: var(--font);
    background: #0d1520;
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Ambient gradient — neutral, not green */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 10% 20%, rgba(10, 132, 255, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 90% 15%, rgba(10, 50, 120, 0.22) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 90%, rgba(5, 30, 70, 0.35) 0%, transparent 55%);
    pointer-events: none;
    z-index: 0;
}

/* ── Page container ──────────────────────────────────────── */
.page {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 52px 24px 96px;
}

/* ── Back navigation ─────────────────────────────────────── */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 48px;
    transition: color var(--ease);
    -webkit-tap-highlight-color: transparent;
    letter-spacing: -0.1px;
}
.back-link:hover { color: var(--text-primary); }
.back-link svg { flex-shrink: 0; opacity: 0.8; }
.back-link:hover svg { opacity: 1; }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 48px;
}

.hero-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 18px;
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    box-shadow: var(--shadow-sm), var(--shadow-inset);
    flex-shrink: 0;
    color: var(--text-primary);
}

.hero h1 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -1.2px;
    line-height: 1.1;
}

.hero p {
    margin-top: 7px;
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: -0.1px;
}

/* ── Section ─────────────────────────────────────────────── */
.section {
    margin-bottom: 48px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--r-lg);
    padding: 24px 28px;
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    box-shadow: var(--shadow-sm), var(--shadow-inset);
    margin-bottom: 12px;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}
.card-header svg { color: var(--text-secondary); flex-shrink: 0; }

.card h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.4px;
}

.card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
}
.card p + p { margin-top: 12px; }

.card a {
    color: var(--blue);
    text-decoration: none;
    transition: opacity var(--ease);
}
.card a:hover { opacity: 0.75; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 11px 22px;
    border-radius: var(--r-md);
    font-size: 15px;
    font-family: var(--font);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--ease);
    border: 1px solid transparent;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
    letter-spacing: -0.1px;
}

.btn-primary {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
    box-shadow: 0 2px 12px rgba(10, 132, 255, 0.35);
}
.btn-primary:hover {
    background: #0077ed;
    box-shadow: 0 4px 20px rgba(10, 132, 255, 0.5);
    transform: translateY(-1px);
    color: #fff;
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: var(--blue-dim);
    border-color: var(--blue-border);
    color: var(--blue);
}
.btn-secondary:hover { background: rgba(10, 132, 255, 0.22); }

.btn-ghost {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text-secondary);
}
.btn-ghost:hover {
    background: var(--surface-hover);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--red-dim);
    border-color: var(--red-border);
    color: var(--red);
}
.btn-danger:hover { background: rgba(255, 69, 58, 0.2); }

.btn-sm {
    padding: 7px 16px;
    font-size: 13px;
    border-radius: var(--r-sm);
}

.btn-lg {
    padding: 14px 30px;
    font-size: 17px;
    border-radius: var(--r-lg);
}

/* ── Board (list/leaderboard) ────────────────────────────── */
.board {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    box-shadow: var(--shadow-inset);
}

.board-row {
    display: grid;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background var(--ease);
}
.board-row:last-child { border-bottom: none; }
.board-row:hover { background: var(--surface-hover); }

.board-empty,
.board-loading {
    padding: 52px 20px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
}

/* ── Tabs (iOS segmented control style) ──────────────────── */
.tabs {
    display: flex;
    gap: 3px;
    margin-bottom: 28px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 4px;
    width: fit-content;
    backdrop-filter: var(--blur-sm);
    -webkit-backdrop-filter: var(--blur-sm);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 8px 22px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font);
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
    letter-spacing: -0.1px;
}
.tab-btn.active {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    box-shadow: 0 1px 6px rgba(0,0,0,0.3), var(--shadow-inset);
}
.tab-btn:hover:not(.active) { color: var(--text-primary); background: var(--surface); }
.tab-btn svg { opacity: 0.7; flex-shrink: 0; }
.tab-btn.active svg { opacity: 1; }

.tab-badge {
    margin-left: 2px;
    font-size: 11px;
    padding: 1px 7px;
    border-radius: var(--r-pill);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Stats grid ──────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: var(--r-lg);
    padding: 22px 22px 18px;
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    box-shadow: var(--shadow-inset);
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -1.5px;
    line-height: 1;
}

.stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--text-tertiary);
    margin-top: 8px;
    font-weight: 600;
}

/* ── List items ──────────────────────────────────────────── */
.list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: var(--r-md);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: background var(--ease), border-color var(--ease);
    margin-bottom: 6px;
}
.list-item:last-child { margin-bottom: 0; }
.list-item:hover {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.18);
}
.list-item-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: -0.2px;
}
.list-item-sub {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Badges / pills ──────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--r-pill);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid transparent;
    letter-spacing: 0.1px;
}
.badge-blue  { background: var(--blue-dim);  border-color: var(--blue-border);  color: var(--blue); }
.badge-gold  { background: var(--gold-dim);  border-color: var(--gold-border);  color: var(--gold); }
.badge-red   { background: var(--red-dim);   border-color: var(--red-border);   color: var(--red); }
.badge-green { background: var(--green-dim); border-color: var(--green-border); color: var(--green); }
.badge-ghost { background: var(--surface);   border-color: var(--border);       color: var(--text-secondary); }

/* ── Divider ─────────────────────────────────────────────── */
.divider {
    height: 1px;
    background: var(--border);
    margin: 32px 0;
}

/* ── Numbered steps ──────────────────────────────────────── */
.steps {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 4px;
}
.steps li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    font-size: 15px;
    line-height: 1.65;
    color: var(--text-secondary);
}
.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 26px;
    background: rgba(10, 132, 255, 0.15);
    border: 1px solid rgba(10, 132, 255, 0.3);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    color: var(--blue);
    flex-shrink: 0;
    margin-top: 1px;
}

/* ── Avatar ──────────────────────────────────────────────── */
.avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 700;
    border-radius: 50%;
}
.avatar-md { width: 48px; height: 48px; font-size: 18px; }
.avatar-lg { width: 64px; height: 64px; font-size: 24px; }
.avatar-blue {
    background: var(--blue-dim);
    border: 1.5px solid var(--blue-border);
    color: var(--blue);
}

/* ── Page footer ─────────────────────────────────────────── */
.page-footer {
    margin-top: 72px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    line-height: 2;
    letter-spacing: 0.2px;
}
.page-footer a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--ease);
}
.page-footer a:hover { color: var(--text-secondary); }

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 64px 24px;
    color: var(--text-tertiary);
}
.empty-state p {
    font-size: 15px;
    line-height: 1.6;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
    .page { padding: 36px 16px 80px; }
    .hero { gap: 16px; margin-bottom: 36px; }
    .hero h1 { font-size: 28px; letter-spacing: -0.8px; }
    .hero p { font-size: 15px; }
    .card { padding: 20px; }
    .stats-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
    .stat-value { font-size: 30px; }
    .back-link { margin-bottom: 36px; }
    .tabs { width: 100%; }
    .tab-btn { flex: 1; padding: 8px 12px; font-size: 13px; justify-content: center; }
    .section { margin-bottom: 36px; }
}