:root {
    --bg: #ffffff;
    --bg2: #f5f5f5;
    --border: #ddd;
    --text: #111;
    --muted: #888;
    --accent: #000;
}

[data-theme="dark"] {
    --bg: #111;
    --bg2: #1a1a1a;
    --border: #2a2a2a;
    --text: #eee;
    --muted: #666;
    --accent: #fff;
}

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

body {
    font-family: sans-serif;
    background: var(--bg);
    color: var(--text);
}

header {
    width: 100%;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg2);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

#theme-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 16px;
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 4px;
}

.github-btn {
    color: var(--text);
    display: flex;
    align-items: center;
}

.github-btn:hover {
    opacity: 0.7;
}

main {
    display: flex;
    justify-content: center;
    padding: 32px 16px;
}

.upload {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.url-row {
    display: flex;
    gap: 8px;
}

input[type="url"] {
    flex: 1;
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    outline: none;
}

input[type="url"]:focus {
    border-color: var(--accent);
}

button {
    padding: 8px 16px;
    cursor: pointer;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

button:hover {
    background: var(--bg2);
}

.divider {
    text-align: center;
    color: #888;
    font-size: 13px;
}

.drop-zone {
    position: relative;
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    color: var(--muted);
}

.drop-zone:hover,
.drop-zone.over {
    border-color: var(--accent);
    background: var(--bg2);
}

.drop-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.drop-zone p {
    font-size: 14px;
}

.drop-zone .sub {
    font-size: 12px;
    color: #aaa;
}

#result {
    padding: 32px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

#result.hidden {
    display: none;
}

.result-info {
    width: 100%;
    max-width: 720px;
    display: flex;
    gap: 16px;
}

.result-stat {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg2);
}

.result-stat-label {
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.result-stat-value {
    font-size: 20px;
    font-weight: 600;
}

.result-controls {
    width: 100%;
    max-width: 720px;
    display: flex;
    gap: 8px;
}

.result-controls input {
    flex: 1;
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    outline: none;
}

.result-controls input:focus {
    border-color: var(--accent);
}

.result-list {
    width: 100%;
    max-width: 720px;
    max-height: 60vh;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.result-item {
    padding: 6px 12px;
    font-size: 14px;
    font-family: monospace;
    border-bottom: 1px solid var(--border);
    word-break: break-all;
}

.result-item:last-child {
    border-bottom: none;
}

.sentinel {
    height: 1px;
}

@media (max-width: 480px) {
    .result-controls {
        flex-direction: column;
    }
}