@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --aivc-bg: #0a0f1c;
    --aivc-surface: #111827;
    --aivc-surface-2: #1a2234;
    --aivc-border: #1e2a3f;
    --aivc-text: #e2e8f0;
    --aivc-text-muted: #8896ab;
    --aivc-accent: #22d3ee;
    --aivc-accent-dim: rgba(34, 211, 238, 0.12);
    --aivc-pass: #34d399;
    --aivc-warn: #fbbf24;
    --aivc-error: #f87171;
    --aivc-tip: #a78bfa;
    --aivc-radius: 12px;
    --aivc-font: 'DM Sans', system-ui, sans-serif;
    --aivc-mono: 'JetBrains Mono', monospace;
}

#aivc-app {
    max-width: 680px;
    margin: 2rem auto;
    padding: 2.5rem 2rem;
    background: var(--aivc-bg);
    border-radius: 20px;
    font-family: var(--aivc-font);
    color: var(--aivc-text);
    position: relative;
    overflow: hidden;
}

#aivc-app::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.aivc-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.aivc-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 0 0 0.5rem;
    background: linear-gradient(135deg, #e2e8f0, var(--aivc-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.aivc-subtitle {
    color: var(--aivc-text-muted);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
}

/* ── Input ── */

.aivc-input-wrap {
    margin-bottom: 1.5rem;
}

.aivc-input-row {
    display: flex;
    gap: 0.5rem;
    background: var(--aivc-surface);
    border: 1px solid var(--aivc-border);
    border-radius: var(--aivc-radius);
    padding: 6px;
    transition: border-color 0.2s;
}

.aivc-input-row:focus-within {
    border-color: var(--aivc-accent);
    box-shadow: 0 0 0 3px var(--aivc-accent-dim);
}

#aivc-url {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--aivc-text);
    font-family: var(--aivc-mono);
    font-size: 0.9rem;
    padding: 0.65rem 0.75rem;
    outline: none;
}

#aivc-url::placeholder {
    color: var(--aivc-text-muted);
    opacity: 0.5;
}

#aivc-submit {
    background: var(--aivc-accent);
    color: var(--aivc-bg);
    border: none;
    border-radius: 8px;
    padding: 0.65rem 1.5rem;
    font-family: var(--aivc-font);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#aivc-submit:hover { opacity: 0.85; }
#aivc-submit:active { transform: scale(0.97); }
#aivc-submit:disabled { opacity: 0.5; cursor: wait; }

.aivc-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(10, 15, 28, 0.3);
    border-top-color: var(--aivc-bg);
    border-radius: 50%;
    animation: aivc-spin 0.6s linear infinite;
}

@keyframes aivc-spin { to { transform: rotate(360deg); } }

.aivc-lang-toggle {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: 0.75rem;
}

.aivc-lang-btn {
    background: transparent;
    border: 1px solid var(--aivc-border);
    color: var(--aivc-text-muted);
    font-family: var(--aivc-mono);
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.05em;
}

.aivc-lang-btn.active {
    background: var(--aivc-accent-dim);
    border-color: var(--aivc-accent);
    color: var(--aivc-accent);
}

/* ── Error ── */

.aivc-error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.3);
    color: var(--aivc-error);
    padding: 0.75rem 1rem;
    border-radius: var(--aivc-radius);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

/* ── Score Circle ── */

.aivc-score-wrap {
    text-align: center;
    margin: 2rem 0 1.5rem;
}

.aivc-score-circle {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 0 auto 1rem;
}

.aivc-score-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.aivc-score-bg {
    fill: none;
    stroke: var(--aivc-surface-2);
    stroke-width: 8;
}

.aivc-score-fg {
    fill: none;
    stroke: var(--aivc-accent);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    transition: stroke-dashoffset 1.2s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.5s;
}

.aivc-score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

#aivc-score-num {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--aivc-accent);
    font-family: var(--aivc-mono);
}

.aivc-score-max {
    font-size: 0.85rem;
    color: var(--aivc-text-muted);
}

#aivc-score-label {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ── Categories ── */

.aivc-categories {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.aivc-cat {
    background: var(--aivc-surface);
    border: 1px solid var(--aivc-border);
    border-radius: var(--aivc-radius);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: border-color 0.2s;
}

.aivc-cat-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.aivc-cat-body {
    flex: 1;
    min-width: 0;
}

.aivc-cat-name {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.aivc-cat-bar-wrap {
    background: var(--aivc-surface-2);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
}

.aivc-cat-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0;
}

.aivc-cat-score {
    font-family: var(--aivc-mono);
    font-size: 0.8rem;
    font-weight: 500;
    flex-shrink: 0;
    min-width: 36px;
    text-align: right;
}

/* Score colors */
.aivc-score-high { color: var(--aivc-pass); }
.aivc-score-high .aivc-cat-bar { background: var(--aivc-pass); }
.aivc-score-high .aivc-cat-icon { background: rgba(52, 211, 153, 0.12); }

.aivc-score-mid { color: var(--aivc-warn); }
.aivc-score-mid .aivc-cat-bar { background: var(--aivc-warn); }
.aivc-score-mid .aivc-cat-icon { background: rgba(251, 191, 36, 0.12); }

.aivc-score-low { color: var(--aivc-error); }
.aivc-score-low .aivc-cat-bar { background: var(--aivc-error); }
.aivc-score-low .aivc-cat-icon { background: rgba(248, 113, 113, 0.12); }

/* ── Email Gate ── */

.aivc-gate {
    margin: 1.5rem 0;
}

.aivc-gate-inner {
    background: var(--aivc-surface);
    border: 1px solid var(--aivc-border);
    border-radius: var(--aivc-radius);
    padding: 1.75rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.aivc-gate-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--aivc-accent), transparent);
}

.aivc-gate-lock {
    color: var(--aivc-accent);
    margin-bottom: 0.75rem;
}

.aivc-gate-text {
    font-size: 0.9rem;
    color: var(--aivc-text-muted);
    margin: 0 0 1rem;
    line-height: 1.5;
}

.aivc-gate-form {
    display: flex;
    gap: 0.5rem;
    max-width: 400px;
    margin: 0 auto;
}

#aivc-email {
    flex: 1;
    background: var(--aivc-bg);
    border: 1px solid var(--aivc-border);
    border-radius: 8px;
    color: var(--aivc-text);
    font-family: var(--aivc-mono);
    font-size: 0.85rem;
    padding: 0.6rem 0.75rem;
    outline: none;
    transition: border-color 0.2s;
}

#aivc-email:focus {
    border-color: var(--aivc-accent);
}

#aivc-unlock {
    background: var(--aivc-accent);
    color: var(--aivc-bg);
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.25rem;
    font-family: var(--aivc-font);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s;
}

#aivc-unlock:hover { opacity: 0.85; }

.aivc-gate-privacy {
    font-size: 0.72rem;
    color: var(--aivc-text-muted);
    margin: 0.75rem 0 0;
    opacity: 0.7;
}

/* ── Details (unlocked) ── */

.aivc-details {
    animation: aivc-fadein 0.4s ease;
}

@keyframes aivc-fadein {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.aivc-detail-section {
    background: var(--aivc-surface);
    border: 1px solid var(--aivc-border);
    border-radius: var(--aivc-radius);
    padding: 1.25rem;
    margin-bottom: 0.75rem;
}

.aivc-detail-section h3 {
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0 0 0.75rem;
    color: var(--aivc-text);
}

.aivc-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: 0.82rem;
    line-height: 1.4;
}

.aivc-detail-item + .aivc-detail-item {
    border-top: 1px solid var(--aivc-border);
}

.aivc-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 5px;
}

.aivc-status-dot.pass { background: var(--aivc-pass); }
.aivc-status-dot.warning { background: var(--aivc-warn); }
.aivc-status-dot.error { background: var(--aivc-error); }
.aivc-status-dot.tip { background: var(--aivc-tip); }
.aivc-status-dot.info { background: var(--aivc-accent); }

.aivc-bot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

.aivc-bot-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    background: var(--aivc-surface-2);
}

.aivc-bot-status {
    font-size: 0.9rem;
}

/* ── Responsive ── */

@media (max-width: 600px) {
    #aivc-app {
        margin: 1rem;
        padding: 1.5rem 1.25rem;
    }

    .aivc-title { font-size: 1.35rem; }

    .aivc-input-row {
        flex-direction: column;
    }

    #aivc-submit { width: 100%; justify-content: center; }

    .aivc-gate-form {
        flex-direction: column;
    }

    .aivc-bot-grid {
        grid-template-columns: 1fr;
    }
}