:root {
    --bg: #0f1419;
    --card: #1a2332;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #2d3a4f;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 16px;
    line-height: 1.5;
}

.container {
    max-width: 480px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 24px;
    padding-top: 12px;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header p {
    color: var(--muted);
    font-size: 0.85rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
}

.status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    padding: 12px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--muted);
    flex-shrink: 0;
}

.status-dot.waiting { background: var(--muted); animation: pulse 1.5s infinite; }
.status-dot.success { background: var(--success); }
.status-dot.error { background: var(--danger); }
.status-dot.warning { background: var(--warning); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.status-text {
    font-size: 0.9rem;
    color: var(--text);
}

.btn {
    display: block;
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 10px;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--text);
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
}

.info-item {
    background: rgba(0,0,0,0.25);
    border-radius: 10px;
    padding: 12px;
}

.info-item.full {
    grid-column: 1 / -1;
}

.info-label {
    font-size: 0.75rem;
    color: var(--muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.info-value {
    font-size: 1.05rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    word-break: break-all;
}

.accuracy-bar {
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    margin-top: 8px;
    overflow: hidden;
}

.accuracy-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.4s ease;
}

.map-container {
    margin-top: 16px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: #111;
    aspect-ratio: 1;
    position: relative;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.map-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 0.9rem;
    text-align: center;
    padding: 20px;
}

.coords-copy {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.coords-copy input {
    flex: 1;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text);
    font-size: 0.9rem;
    font-family: monospace;
}

.coords-copy button {
    background: var(--border);
    border: none;
    border-radius: 8px;
    padding: 0 14px;
    color: var(--text);
    cursor: pointer;
    font-size: 0.85rem;
    white-space: nowrap;
}

.coords-copy button:hover {
    background: var(--accent);
}

.note {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 16px;
    padding: 12px;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 10px;
    line-height: 1.6;
}

.note strong {
    color: var(--warning);
}

footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.75rem;
    color: var(--muted);
}

.hidden { display: none !important; }