:root {
    --bg: #0f1115;
    --panel: #181b22;
    --panel-2: #1f232c;
    --border: #2a2f3a;
    --text: #e6e8ee;
    --muted: #8a93a6;
    --accent: #4f8cff;
    --accent-2: #2f6bdc;
    --ok: #22c55e;
    --warn: #f59e0b;
    --err: #ef4444;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", system-ui, sans-serif;
    font-size: 15px;
    -webkit-text-size-adjust: 100%;
}

body {
    padding: 12px 12px 24px;
    padding-bottom: calc(24px + env(safe-area-inset-bottom));
}

h1 { font-size: 18px; margin: 0 0 8px; }
h2 { font-size: 15px; font-weight: 600; margin: 0 0 4px; }

.back { display: inline-block; color: var(--muted); text-decoration: none; font-size: 13px; margin-bottom: 8px; }
.back::before { content: "← "; }
.back:active { color: var(--text); }

.status {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 12px; background: var(--panel);
    border: 1px solid var(--border); border-radius: 10px;
    margin-bottom: 12px; font-size: 13px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--err); flex-shrink: 0; }
.dot.ok { background: var(--ok); }

section {
    background: var(--panel); border: 1px solid var(--border);
    border-radius: 12px; padding: 12px; margin-bottom: 10px;
}

.sig {
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 12px; color: var(--muted); margin-bottom: 10px; word-break: break-all;
}

.desc { font-size: 13px; color: var(--muted); margin: 0 0 10px; line-height: 1.5; }

label { display: block; font-size: 12px; color: var(--muted); margin: 8px 0 4px; }

input, textarea, select {
    width: 100%; background: var(--panel-2);
    border: 1px solid var(--border); color: var(--text);
    border-radius: 8px; padding: 10px 12px;
    font-size: 14px; font-family: inherit;
    -webkit-appearance: none; appearance: none;
}
textarea {
    min-height: 72px;
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 13px; resize: vertical;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }

.row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }

button, .btn {
    background: var(--accent); color: white; border: none;
    border-radius: 8px; padding: 11px 14px;
    font-size: 14px; font-weight: 600; font-family: inherit;
    cursor: pointer; -webkit-tap-highlight-color: transparent;
    text-decoration: none; display: inline-block; text-align: center;
}
button:active, .btn:active { background: var(--accent-2); }

button.call, .btn.call { width: 100%; margin-top: 10px; padding: 13px; }
button.preset, .btn.preset {
    background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
    font-weight: 500; font-size: 12px; padding: 7px 10px; flex: 1 1 auto;
}
button.preset:active, .btn.preset:active { background: #2a2f3a; }
button.ghost, .btn.ghost {
    background: transparent; color: var(--text); border: 1px solid var(--border); font-weight: 500;
}

.card-grid { display: grid; gap: 10px; grid-template-columns: 1fr; }
.card {
    background: var(--panel); border: 1px solid var(--border);
    border-radius: 12px; padding: 14px;
    text-decoration: none; color: var(--text); display: block;
}
.card:active { background: var(--panel-2); }
.card .title { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.card .desc { font-size: 13px; color: var(--muted); margin: 0; }

.url-line {
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 11px; color: var(--muted); margin-top: 6px; word-break: break-all;
}

.log {
    position: sticky; bottom: 0; margin-top: 16px;
    background: var(--panel); border: 1px solid var(--border);
    border-radius: 12px; padding: 10px 12px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
}
.log-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.log-head h2 { font-size: 13px; }
.log-clear {
    background: transparent; border: 1px solid var(--border); color: var(--muted);
    padding: 5px 10px; font-size: 12px; font-weight: 500;
}
.log-body {
    max-height: 30vh; overflow-y: auto;
    background: var(--panel-2); border-radius: 8px; padding: 8px 10px;
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 12px; line-height: 1.5;
    white-space: pre-wrap; word-break: break-all;
    -webkit-overflow-scrolling: touch;
}
.log-body:empty::before { content: "(호출 로그가 여기 표시됩니다)"; color: var(--muted); }
.log-entry { margin-bottom: 6px; }
.log-entry.ok { color: #b7f7c9; }
.log-entry.err { color: #ffb4b4; }
.log-entry .t { color: var(--muted); margin-right: 6px; }

.alert {
    padding: 10px 12px; border-radius: 10px;
    font-size: 13px; margin-bottom: 10px;
}
.alert.warn { background: #3a2a10; border: 1px solid var(--warn); color: #ffd596; }
.alert.err { background: #3a1414; border: 1px solid var(--err); color: #ffc7c7; }
.alert.ok { background: #143a23; border: 1px solid var(--ok); color: #b7f7c9; }

.kv { width: 100%; border-collapse: collapse; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; }
.kv td { padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; word-break: break-all; }
.kv td.k { color: var(--accent); width: 38%; }
.kv td.empty { color: var(--muted); text-align: center; }

video, iframe { width: 100%; border-radius: 8px; background: #000; border: none; }
video { aspect-ratio: 16 / 9; }
iframe { aspect-ratio: 16 / 9; }