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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e0e0e0;
}

.container {
    width: 100%;
    max-width: 480px;
    padding: 20px;
}

.card {
    background: rgba(30, 30, 45, 0.9);
    border: 1px solid rgba(255, 94, 109, 0.3);
    border-radius: 20px;
    padding: 32px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.header {
    text-align: center;
    margin-bottom: 24px;
}

.warning-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
}

h1 {
    font-size: 28px;
    font-weight: 600;
    color: #ff5e6d;
}

.label {
    font-size: 14px;
    color: #888;
    margin-bottom: 8px;
}

.url {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 13px;
    color: #4ade80;
    background: rgba(0, 0, 0, 0.3);
    padding: 12px 16px;
    border-radius: 10px;
    word-break: break-all;
    margin-bottom: 20px;
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.countdown {
    text-align: center;
    font-size: 16px;
    color: #888;
    margin-bottom: 20px;
}

.countdown span {
    font-size: 24px;
    font-weight: bold;
    color: #ff5e6d;
}

.proceed-button {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #ff5e6d 0%, #ff8a5b 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.proceed-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 94, 109, 0.4);
}

.proceed-button:active {
    transform: translateY(0);
}

.safety-tips {
    margin-top: 24px;
    padding: 16px;
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 12px;
}

.tips-title {
    font-size: 14px;
    font-weight: 600;
    color: #ffc107;
    margin-bottom: 8px;
}

.safety-tips ul {
    list-style: none;
    padding-left: 0;
}

.safety-tips li {
    font-size: 13px;
    color: #aaa;
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.safety-tips li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #ffc107;
}

footer {
    text-align: center;
    margin-top: 24px;
    font-size: 13px;
    color: #666;
}

footer a {
    color: #ff5e6d;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Error state */
.url.error {
    color: #ff5e6d;
    border-color: rgba(255, 94, 109, 0.3);
}

/* Loading animation */
.url.loading {
    color: #888;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}