/* ─────────────────────────────────────────────────────────────────────────────
   CAZ VPN — Modern refined theme
   Font: Geist (body) + Geist Mono (code)
   ─────────────────────────────────────────────────────────────────────────── */

:root {
    --bg: #f6f6f3;
    --surface: #ffffff;
    --surface-2: #f2f1ee;
    --ink: #111110;
    --ink-2: #3c3c39;
    --ink-muted: #787872;
    --line: #e4e3df;
    --line-strong: #cccbc6;
    --accent: #1d4ed8;
    --accent-hover: #1640b8;
    --accent-soft: #eff3ff;
    --ok: #16a34a;
    --ok-bg: #f0fdf4;
    --warn: #b45309;
    --warn-bg: #fffbeb;
    --bad: #dc2626;
    --bad-bg: #fef2f2;

    --shadow-xs: 0 1px 2px rgba(17,17,16,.05);
    --shadow-sm: 0 2px 8px rgba(17,17,16,.06), 0 1px 2px rgba(17,17,16,.04);
    --shadow-md: 0 8px 24px rgba(17,17,16,.08), 0 2px 6px rgba(17,17,16,.04);
    --shadow-lg: 0 20px 48px rgba(17,17,16,.12), 0 4px 12px rgba(17,17,16,.06);

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --font-body: 'Geist', 'Inter', system-ui, sans-serif;
    --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, monospace;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 15px;
}

main { flex: 1; padding: 48px 0 96px; }

.wrap {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.15;
    color: var(--ink);
}
h1 { font-size: clamp(26px, 4vw, 40px); margin-bottom: 12px; }
h2 { font-size: 18px; letter-spacing: -0.02em; }
h3 { font-size: 15px; font-weight: 600; }

p { margin: 0; }
.muted { color: var(--ink-muted); }
.small { font-size: 12px; }

/* ─── TOPBAR ─────────────────────────────────────────────────────────────── */

.topbar {
    border-bottom: 1px solid var(--line);
    background: rgba(246, 246, 243, 0.88);
    backdrop-filter: saturate(160%) blur(16px);
    -webkit-backdrop-filter: saturate(160%) blur(16px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.brand {
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.03em;
    color: var(--ink);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.15s;
}
.brand:hover { opacity: 0.75; color: var(--ink); }

.topnav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.topnav__link {
    color: var(--ink-muted);
    font-weight: 500;
    font-size: 14px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
}
.topnav__link:hover { color: var(--ink); background: var(--surface-2); }
.topnav__link--active { color: var(--ink); background: var(--surface-2); }

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    background: transparent;
    color: var(--ink-2);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.btn--primary {
    background: var(--ink);
    color: #fff;
    border-color: var(--ink);
}
.btn--primary:hover {
    background: var(--ink-2);
    color: #fff;
    border-color: var(--ink-2);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn--ghost {
    background: var(--surface);
    color: var(--ink);
    border-color: var(--line);
}
.btn--ghost:hover {
    border-color: var(--line-strong);
    background: var(--surface-2);
}

.btn--lg { padding: 13px 22px; font-size: 15px; }
.btn--sm { padding: 7px 13px; font-size: 13px; border-radius: var(--radius-sm); }
.btn--block { width: 100%; }

/* ─── HERO ────────────────────────────────────────────────────────────────── */

.hero {
    padding: 72px 0 56px;
    max-width: 680px;
}

.hero__eyebrow { margin-bottom: 20px; }

.hero__pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    color: var(--ink-muted);
    letter-spacing: 0;
}

.hero__pill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ok);
    flex-shrink: 0;
    animation: pulse 2.4s ease-in-out infinite;
}

.hero h1 {
    font-size: clamp(36px, 5.5vw, 64px);
    line-height: 1.06;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
}

.hero__lead {
    font-size: 17px;
    color: var(--ink-muted);
    margin: 0 0 32px;
    max-width: 440px;
    line-height: 1.65;
}

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

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    padding: 56px 0;
    border-top: 1px solid var(--line);
}

.feature__icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-muted);
    margin-bottom: 14px;
}

.feature h3 { margin: 0 0 6px; font-size: 14px; }
.feature p { color: var(--ink-muted); font-size: 14px; line-height: 1.6; }

/* ─── DASHBOARD ──────────────────────────────────────────────────────────── */

.dashboard {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.dashboard__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 12px;
}
.dashboard__head h1 { margin: 0 0 4px; }
.dashboard__head p { font-size: 14px; }

.tg-badge {
    display: inline-flex;
    align-items: center;
    background: var(--surface-2);
    color: var(--ink-muted);
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
}

.support-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-muted);
    background: var(--surface);
    text-decoration: none;
    transition: all 0.15s;
    white-space: nowrap;
}
.support-btn:hover {
    color: var(--ink);
    border-color: var(--line-strong);
    background: var(--surface-2);
    transform: none;
}

/* ─── CARD ────────────────────────────────────────────────────────────────── */

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-xs);
    transition: box-shadow 0.2s;
}
.card--subtle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    background: var(--surface-2);
    border-color: var(--line);
    box-shadow: none;
}

.card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}
.card__head h2 { margin: 0; }

.card__head-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.card__icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-muted);
    flex-shrink: 0;
}
.card__icon--main { background: #eff3ff; border-color: #dbe4ff; color: var(--accent); }
.card__icon--white { background: var(--ok-bg); border-color: #bbf7d0; color: var(--ok); }

/* ─── BADGE ──────────────────────────────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    background: var(--line);
    color: var(--ink-muted);
}
.badge--warn { background: var(--warn-bg); color: var(--warn); }
.badge--ok { background: var(--ok-bg); color: var(--ok); }

/* ─── STATUS ────────────────────────────────────────────────────────────── */

.status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    font-size: 14px;
}
.status--ok { color: var(--ok); }
.status--bad { color: var(--bad); }

.status__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    display: inline-block;
    animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.85); }
}

/* ─── SUB INFO ───────────────────────────────────────────────────────────── */

.sub-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    margin-bottom: 20px;
}

.sub-info__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
    gap: 12px;
}
.sub-info__row b { font-weight: 600; color: var(--ink); }

.traffic-val { font-size: 14px; font-weight: 500; }

.traffic-bar-wrap { padding-top: 4px; }
.traffic-bar {
    height: 4px;
    background: var(--line);
    border-radius: 2px;
    overflow: hidden;
}
.traffic-bar__fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.6s ease;
}

/* ─── EMPTY STATE ────────────────────────────────────────────────────────── */
.empty-state {
    padding: 20px 0 12px;
    font-size: 14px;
}

/* ─── NOTICE ─────────────────────────────────────────────────────────────── */

.notice {
    background: var(--warn-bg);
    border: 1px solid #fde68a;
    color: var(--warn);
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    line-height: 1.5;
    margin-top: 4px;
}

/* ─── BUY BUTTONS ────────────────────────────────────────────────────────── */

.buy-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 8px;
    margin-top: 8px;
}

.buy-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 14px 16px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
    text-align: left;
    color: var(--ink);
}
.buy-btn:hover {
    border-color: var(--line-strong);
    background: var(--surface-2);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.buy-btn--featured {
    border-color: var(--accent);
    background: var(--accent-soft);
}
.buy-btn--featured:hover { border-color: var(--accent-hover); }

.buy-btn__period {
    font-size: 12px;
    color: var(--ink-muted);
    font-weight: 400;
}
.buy-btn__price {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* ─── CONNECT BLOCK ──────────────────────────────────────────────────────── */

.connect-block {
    margin: 0 0 20px;
    padding: 18px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.connect-hint {
    margin: 10px 0 0;
    font-size: 12px;
    color: var(--ink-muted);
    text-align: center;
    line-height: 1.5;
}

/* ─── ADVANCED ───────────────────────────────────────────────────────────── */

.advanced {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
}
.advanced summary {
    cursor: pointer;
    font-size: 12px;
    color: var(--ink-muted);
    user-select: none;
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 0.15s;
}
.advanced summary::-webkit-details-marker { display: none; }
.advanced summary:hover { color: var(--ink); }
.advanced summary::before {
    content: "▸";
    font-size: 9px;
    transition: transform 0.18s;
    display: inline-block;
}
.advanced[open] summary::before { transform: rotate(90deg); }

.copy-row {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    align-items: stretch;
    flex-wrap: wrap;
}
.copy-row .sub-url { flex: 1; min-width: 0; margin: 0; }

.sub-url {
    display: block;
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 9px 11px;
    font-family: var(--font-mono);
    font-size: 11px;
    word-break: break-all;
    color: var(--ink-2);
    line-height: 1.5;
}

/* ─── AUTH CARD ──────────────────────────────────────────────────────────── */

.auth-card {
    max-width: 400px;
    margin: 40px auto 0;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    box-shadow: var(--shadow-sm);
}
.auth-card h1 { font-size: 24px; margin-bottom: 6px; }

.auth-sub { color: var(--ink-muted); margin: 0 0 24px; font-size: 14px; }

.form { display: flex; flex-direction: column; gap: 16px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 13px; font-weight: 500; color: var(--ink-2); }

.field input {
    padding: 10px 13px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    background: var(--surface);
    color: var(--ink);
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
}
.field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.field small { font-size: 12px; color: var(--ink-muted); }

.form__error { color: var(--bad); font-size: 13px; min-height: 18px; }
.form__success { color: var(--ok); font-size: 13px; min-height: 18px; }

.divider {
    text-align: center;
    margin: 24px 0;
    position: relative;
    color: var(--ink-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.divider::before, .divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: calc(50% - 28px);
    height: 1px;
    background: var(--line);
}
.divider::before { left: 0; }
.divider::after { right: 0; }

.tg-login { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.tg-login__hint { font-size: 12px; color: var(--ink-muted); }

.auth-card__back { margin-bottom: 16px; }

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--ink-muted);
    transition: color 0.15s;
    text-decoration: none;
}
.back-link:hover { color: var(--ink); }

.auth-links {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
    font-size: 13px;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--ink-muted);
}

/* ─── MODAL ──────────────────────────────────────────────────────────────── */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(17, 17, 16, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 100;
}
.modal[aria-hidden="false"] { opacity: 1; pointer-events: auto; }

.modal__inner {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 360px;
    width: calc(100% - 32px);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--line);
    transform: translateY(4px);
    transition: transform 0.2s;
    text-align: center;
}
.modal[aria-hidden="false"] .modal__inner { transform: translateY(0); }

.modal__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-muted);
    margin: 0 auto 16px;
}
.modal__inner h3 { margin: 0 0 6px; }
.modal__inner p { color: var(--ink-muted); font-size: 14px; margin: 0 0 20px; }
.modal__actions { display: flex; gap: 8px; justify-content: center; }

/* ─── ADMIN TABLE ────────────────────────────────────────────────────────── */

.table-wrap {
    overflow-x: auto;
    margin: 0 -24px -24px;
    padding: 0 24px 24px;
}
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.table th, .table td {
    padding: 11px 14px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
.table th {
    font-weight: 500;
    color: var(--ink-muted);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.07em;
}
.table tr:hover td { background: var(--bg); }

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */

.footer {
    border-top: 1px solid var(--line);
    padding: 20px 0;
    margin-top: auto;
    font-size: 13px;
    color: var(--ink-muted);
}
.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.footer__links { display: flex; align-items: center; gap: 16px; }
.footer__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--ink-muted);
    font-size: 13px;
    transition: color 0.15s;
}
.footer__link:hover { color: var(--ink); }
.footer__link--tg:hover { color: #2aabee; }

/* ─── CTA BLOCK ──────────────────────────────────────────────────────────── */

.cta-block {
    text-align: center;
    padding: 72px 24px;
    background: var(--ink);
    color: var(--bg);
    border-radius: var(--radius-xl);
    margin-top: 40px;
}
.cta-block h2 { color: var(--bg); margin-bottom: 8px; font-size: 26px; }
.cta-block p { color: rgba(255,255,255,0.6); margin: 0 0 28px; font-size: 16px; }
.cta-block .btn--primary {
    background: var(--bg);
    color: var(--ink);
    border-color: var(--bg);
}
.cta-block .btn--primary:hover { background: #fff; color: #000; }

/* ─── RESPONSIVE ────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
    main { padding: 24px 0 56px; }
    .hero { padding: 40px 0 28px; }
    .card { padding: 18px; }
    .connect-block { padding: 14px; }
    .auth-card { padding: 24px 18px; margin-top: 16px; border-radius: var(--radius-lg); }
    .topnav { gap: 2px; }
    .topnav__link { padding: 5px 9px; font-size: 13px; }
    .topbar__inner { height: 54px; }
    .cta-block { padding: 48px 20px; }
    .dashboard__head { align-items: flex-start; flex-direction: column; gap: 10px; }
    .support-btn { align-self: flex-start; }
    .modal__inner { padding: 24px 20px; }
}