/* KoUcuzGB — extra pages (launch page, calculators).
   Self-contained: mirrors the dark design tokens used inline in index.html / rise-online.html,
   so these pages look the same without loading the legacy light-theme style.css. */

:root {
    /* aliases onto the shared tokens in /css/kuz-ui.css (fallbacks keep the page usable without it) */
    --bg-deep: var(--k-bg, #0F0F23);
    --bg-base: var(--k-bg-base, #13132B);
    --bg-card: var(--k-card, #1C1A33);
    --bg-elevated: var(--k-elev, #26243F);
    --bg-surface: var(--k-surface, rgba(255, 255, 255, 0.045));

    --primary: var(--k-primary, #7C3AED);
    --primary-glow: rgba(124, 58, 237, 0.25);
    --secondary: var(--k-link, #B4A0FB);
    --accent: var(--k-buy, #FBBF24);
    --accent-glow: rgba(244, 63, 94, 0.2);
    --success: var(--k-sell, #34D399);
    --success-bg: var(--k-sell-bg, rgba(52, 211, 153, 0.13));
    --success-border: var(--k-sell-border, rgba(52, 211, 153, 0.38));
    --danger: var(--k-down, #F87171);
    --danger-bg: var(--k-down-bg, rgba(248, 113, 113, 0.14));
    --danger-border: rgba(248, 113, 113, 0.35);
    --warning: var(--k-warn, #FBBF24);
    --warning-bg: rgba(251, 191, 36, 0.1);
    --warning-border: rgba(251, 191, 36, 0.35);

    --fg: var(--k-fg, #EEF0F7);
    --fg-muted: var(--k-muted, #A9B3C6);
    --fg-dim: var(--k-dim, #8D98AD);

    --border: var(--k-border, rgba(255, 255, 255, 0.09));
    --border-accent: var(--k-primary-border, rgba(139, 92, 246, 0.45));

    --radius: var(--k-r-lg, 14px);
    --radius-sm: var(--k-r, 10px);
    --radius-xs: var(--k-r-sm, 6px);

    --font-heading: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--fg);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

body::before {
    content: '';
    position: fixed;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    max-width: 100vw;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

a { color: var(--secondary); }
a:hover { color: #D4C8FD; }

:focus-visible {
    outline: 2px solid var(--k-focus, #C4B5FD);
    outline-offset: 2px;
}

.sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0);
    white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute;
    left: 8px; top: -40px;
    z-index: 200;
    padding: 8px 14px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-xs);
    text-decoration: none;
}
.skip-link:focus { top: 8px; color: #fff; }

.app-container {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ===== HERO ===== */
.hero {
    text-align: center;
    padding: 28px 4px 20px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--k-r-pill, 999px);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--fg-muted);
    margin-bottom: 12px;
}
.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.45rem, 4.6vw, 2.05rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--fg);
    margin-bottom: 10px;
}
.hero-sub {
    color: var(--fg-muted);
    font-size: 0.98rem;
    max-width: 640px;
    margin: 0 auto;
}
.section-title .ki, .hero-badge .ki { color: var(--fg-muted); }

/* ===== COUNTDOWN ===== */
.countdown {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 24px 0 8px;
    flex-wrap: wrap;
}
.countdown-cell {
    min-width: 72px;
    padding: 12px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    text-align: center;
}
.countdown-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 700;
    color: #fff;
    font-variant-numeric: tabular-nums;
}
.countdown-lbl {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--fg-muted);
}
.countdown-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--fg-muted);
}
.countdown-done {
    display: inline-block;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success);
    font-weight: 600;
}

/* ===== SECTIONS / CARDS ===== */
.section {
    margin-top: 36px;
}
.section-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--fg);
    margin-bottom: 14px;
}
.section-lead {
    color: var(--fg-muted);
    font-size: 0.92rem;
    margin-bottom: 14px;
}
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
}
.card + .card { margin-top: 12px; }
.card h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--fg);
}
.card p, .card li { color: var(--fg-muted); font-size: 0.9rem; }
.card ul, .card ol { padding-left: 20px; }
.card li + li { margin-top: 4px; }
.card strong { color: var(--fg); }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
.grid-2 > .card + .card { margin-top: 0; }
@media (min-width: 720px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
}

.note {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: #FCD34D;
    font-size: 0.85rem;
}
.note-info {
    background: var(--bg-surface);
    border-color: var(--border-accent);
    color: var(--fg-muted);
}
.muted { color: var(--fg-muted); }
.small { font-size: 0.8rem; }

/* ===== TIMELINE ===== */
.timeline {
    list-style: none;
    position: relative;
    padding-left: 22px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 6px; top: 6px; bottom: 6px;
    width: 2px;
    background: var(--border-accent);
}
.timeline li {
    position: relative;
    padding: 10px 14px;
    margin-bottom: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.timeline li::before {
    content: '';
    position: absolute;
    left: -21px; top: 16px;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 2px solid var(--secondary);
}
.timeline li.is-past { opacity: 0.75; }
.timeline li.is-past::before { background: var(--secondary); }
.timeline li.is-current { border-color: var(--success-border); }
.timeline li.is-current::before { background: var(--success); border-color: var(--success); }
.timeline li.is-key { border-color: var(--border-accent); background: linear-gradient(135deg, rgba(124,58,237,0.18), var(--bg-card)); }
.tl-date {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--secondary);
    font-size: 0.85rem;
}
.tl-text { color: var(--fg); font-size: 0.92rem; }
.tl-tag {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 8px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--success-bg);
    color: var(--success);
    vertical-align: middle;
}

/* ===== PRICE BLOCKS (launch page) ===== */
.srv-block + .srv-block { margin-top: 14px; }
.srv-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.srv-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
}
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    background: var(--k-primary-soft, rgba(124, 58, 237, 0.18));
    color: #C4B5FD;
    border: 1px solid var(--border-accent);
}
.badge-open { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }

/* ===== TABLES ===== */
.table-scroll {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
.data-table th, .data-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.data-table th {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--fg-muted);
    font-size: 0.78rem;
    background: var(--bg-elevated);
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr:last-child th { border-bottom: 0; }
.data-table tbody th { background: transparent; color: var(--fg); font-size: 0.88rem; }
.data-table td.num, .data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .best { color: var(--success); font-weight: 700; }
.data-table .best-buy { color: var(--k-buy, #FBBF24); font-weight: 700; }
.data-table .stale { color: var(--fg-dim); }

/* ===== FAQ (same look as index.html .seo-accordion) ===== */
.faq { display: flex; flex-direction: column; gap: 8px; }
.faq details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}
.faq details[open] { border-color: var(--border-accent); }
.faq summary {
    padding: 14px 18px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--fg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '▸'; color: var(--fg-muted); transition: transform 0.3s var(--ease); flex-shrink: 0; }
.faq details[open] summary::after { transform: rotate(90deg); color: var(--secondary); }
.faq .faq-a {
    padding: 0 18px 16px;
    color: var(--fg-muted);
    font-size: 0.88rem;
    line-height: 1.7;
}
.faq .faq-a p + p { margin-top: 8px; }

/* ===== SOURCES ===== */
.source-list { list-style: none; }
.source-list li { padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.source-list li:last-child { border-bottom: 0; }
.source-list a { word-break: break-word; }

/* ===== BUTTONS / FORMS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 40px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--k-border-strong, rgba(255, 255, 255, 0.16));
    background: var(--bg-surface);
    color: var(--fg);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
}
.btn:hover { background: var(--bg-elevated); border-color: var(--border-accent); color: var(--fg); }
.btn .ki { width: 16px; height: 16px; }
.btn-primary {
    background: var(--primary);
    border-color: transparent;
    color: #fff;
}
.btn-primary:hover { background: var(--k-primary-hover, #8B5CF6); border-color: transparent; color: #fff; }
.btn-sm { min-height: 34px; padding: 4px 12px; font-size: 0.8rem; }
.btn-icon {
    min-width: 40px;
    min-height: 40px;
    padding: 0;
    border-radius: 50%;
    font-size: 1.1rem;
}
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field label, .field .field-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--fg-muted);
}
.input, .select {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: var(--bg-base);
    color: var(--fg);
    font-family: var(--font-body);
    font-size: 1rem; /* 16px avoids iOS zoom */
}
.input:focus, .select:focus { border-color: var(--secondary); outline: none; box-shadow: 0 0 0 3px var(--primary-glow); }
.select option { background: var(--bg-base); color: var(--fg); }
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
@media (min-width: 560px) {
    .form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
    .form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}
.hint { font-size: 0.78rem; color: var(--fg-dim); }

.seg {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px;
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: 50px;
}
.seg button {
    min-height: 36px;
    padding: 6px 14px;
    border: 0;
    border-radius: 50px;
    background: transparent;
    color: var(--fg-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
}
.seg button[aria-pressed="true"] { background: var(--primary); color: #fff; }

/* ===== TABS (calculator) ===== */
.tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
    flex: 1 0 auto;
    min-height: 42px;
    padding: 8px 14px;
    border: 0;
    border-radius: 50px;
    background: transparent;
    color: var(--fg-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    white-space: nowrap;
}
.tab[aria-selected="true"] {
    color: #fff;
    background: var(--primary);
}
.tab-panel { margin-top: 18px; }
.tab-panel[hidden] { display: none; }

/* ===== RESULT ===== */
.result {
    margin-top: 14px;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-base);
    border: 1px solid var(--border-accent);
}
.result-main {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    word-break: break-word;
}
.result-sub { color: var(--fg-muted); font-size: 0.88rem; margin-top: 4px; }
.kv {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 6px 12px;
    font-size: 0.9rem;
}
.kv dt { color: var(--fg-muted); }
.kv dd { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.kv dd.big { font-size: 1.15rem; color: #fff; }

/* item rows (shop calculators) */
.item-rows { display: flex; flex-direction: column; gap: 8px; }
.item-row {
    display: grid;
    grid-template-columns: 1fr 1fr 40px;
    grid-template-areas: "name name del" "price qty del";
    gap: 8px;
    padding: 10px;
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    align-items: end;
}
.item-row .f-name { grid-area: name; }
.item-row .f-price { grid-area: price; }
.item-row .f-qty { grid-area: qty; }
.item-row .f-del { grid-area: del; align-self: center; }
@media (min-width: 640px) {
    .item-row {
        grid-template-columns: 2fr 1fr 90px 40px;
        grid-template-areas: "name price qty del";
    }
}
.item-src { grid-column: 1 / -1; font-size: 0.75rem; color: var(--fg-dim); }
.item-src a { color: var(--fg-muted); }

/* ===== FOOTER (same look as index.html) ===== */
.footer {
    text-align: center;
    padding: 32px 4px;
    border-top: 1px solid var(--border);
    margin-top: 48px;
}
.footer-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.footer-links a {
    color: var(--fg-muted);
    text-decoration: none;
    font-size: 0.85rem;
}
.footer-links a:hover { color: var(--secondary); }
.footer-brand {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--fg-dim);
    font-size: 0.85rem;
    margin-bottom: 8px;
}
.footer-meta { color: var(--fg-dim); font-size: 0.75rem; }

@media (max-width: 640px) {
    .hero { padding-top: 28px; }
    .hero h1 { font-size: 1.6rem; }
    .hero-sub { font-size: 0.9rem; }
    .nav-bar { gap: 6px; padding: 10px 8px; }
    .nav-link { padding: 7px 12px; font-size: 0.8rem; }
    .countdown { gap: 6px; }
    .countdown-cell { min-width: 64px; padding: 10px 4px; }
    .countdown-num { font-size: 1.5rem; }
    .result-main { font-size: 1.25rem; }
    .tabs { border-radius: var(--radius-sm); overflow: visible; }
    .tab { flex: 1 1 0; min-width: 0; white-space: normal; line-height: 1.2; padding: 8px 6px; font-size: 0.8rem; border-radius: var(--radius-xs); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
}