:root {
    color-scheme: dark;
    --bg: #0b0f14;
    --bg-2: #0f1623;
    --surface: #141b2b;
    --surface-2: #1a2235;
    --text: #e6ebf5;
    --muted: #9aa4b2;
    --accent: #5eead4;
    --accent-2: #38bdf8;
    --danger: #ff6b6b;
    --success: #7ee787;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: "Manrope", "Space Grotesk", system-ui, sans-serif;
    background: radial-gradient(1200px 600px at 20% 0%, rgba(56, 189, 248, 0.15), transparent 60%),
        radial-gradient(900px 500px at 85% 10%, rgba(94, 234, 212, 0.12), transparent 65%),
        linear-gradient(180deg, var(--bg), var(--bg-2));
    color: var(--text);
}

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

a:hover {
    color: var(--accent);
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 8vw 18px;
}

.brand {
    font-family: "Space Grotesk", "Manrope", sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

.lang-switch {
    display: flex;
    gap: 12px;
}

.lang-switch a {
    font-size: 0.85rem;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--muted);
    transition: 0.2s ease;
}

.lang-switch a.active {
    color: var(--text);
    border-color: rgba(94, 234, 212, 0.6);
    box-shadow: inset 0 0 0 1px rgba(94, 234, 212, 0.3);
}

.main {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 28px 8vw 60px;
}

.card {
    width: min(960px, 100%);
    background: linear-gradient(160deg, rgba(20, 27, 43, 0.92), rgba(12, 16, 26, 0.95));
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: clamp(24px, 5vw, 48px);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero {
    display: grid;
    gap: 18px;
}

h1 {
    font-family: "Space Grotesk", "Manrope", sans-serif;
    font-size: clamp(2.2rem, 3vw, 3rem);
    margin: 0;
}

h2 {
    font-family: "Space Grotesk", "Manrope", sans-serif;
    font-size: 1.4rem;
    margin: 24px 0 12px;
}

p {
    color: var(--muted);
    line-height: 1.7;
    margin: 0;
}

.grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 28px;
}

.badge {
    font-size: 0.8rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.panel {
    background: rgba(16, 23, 36, 0.85);
    border-radius: 14px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.code {
    font-family: "Space Grotesk", monospace;
    font-size: 0.9rem;
    color: var(--text);
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(5, 8, 14, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.captcha-box {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.captcha-image {
    background: rgba(5, 8, 14, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 18px;
    min-height: 160px;
    display: grid;
    place-items: center;
}

.captcha-image svg {
    max-width: 100%;
}

.input-row {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr auto;
}

input[type="text"] {
    padding: 14px 16px;
    border-radius: 12px;
    background: rgba(9, 12, 18, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text);
    font-size: 1rem;
}

button {
    padding: 12px 18px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #051017;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s ease;
}

button.secondary {
    background: rgba(20, 27, 43, 0.85);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.status {
    font-size: 0.95rem;
    padding: 10px 14px;
    border-radius: 10px;
    background: rgba(8, 12, 20, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.status.success {
    color: var(--success);
    border-color: rgba(126, 231, 135, 0.3);
}

.status.error {
    color: var(--danger);
    border-color: rgba(255, 107, 107, 0.3);
}

.footer {
    text-align: center;
    padding: 20px 8vw 28px;
    color: var(--muted);
    font-size: 0.85rem;
}

.error-hero {
    display: grid;
    gap: 14px;
    text-align: center;
    padding: 20px 0;
}

.error-code {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-family: "Space Grotesk", "Manrope", sans-serif;
    color: var(--accent);
    letter-spacing: 0.08em;
}

@media (max-width: 640px) {
    .topbar {
        padding: 20px 6vw 10px;
    }

    .input-row {
        grid-template-columns: 1fr;
    }
}

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