:root {
    color-scheme: light;
    --bg: #f4f5f7;
    --panel: #ffffff;
    --text: #1d2530;
    --muted: #526274;
    --border: #d6dde5;
    --accent: #0d6efd;
    --accent-hover: #0b5ed7;
    --danger: #c62828;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", sans-serif;
    background: linear-gradient(160deg, #f8fafc, #eef2f7 60%, #f8fafc);
    color: var(--text);
}

.layout {
    max-width: 1000px;
    margin: 0 auto;
    padding: 24px 16px 40px;
    display: grid;
    gap: 16px;
}

.header h1 {
    margin: 0;
}

.header p {
    margin: 6px 0 0;
    color: var(--muted);
}

.header-actions {
    margin-top: 10px;
}

.help-link {
    display: inline-block;
    text-decoration: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text);
    background: #fff;
}

.help-link:hover {
    background: #f7f9fc;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.04);
}

.panel h2 {
    margin-top: 0;
}

.meta {
    margin: 0 0 10px;
    color: var(--muted);
    font-size: 0.92rem;
}

.config-toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.config-toolbar select {
    min-width: 280px;
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    background: #fff;
}

textarea,
pre {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    font: 14px/1.5 Consolas, "Courier New", monospace;
    background: #fbfcfe;
}

pre {
    min-height: 280px;
    max-height: 480px;
    overflow: auto;
    margin: 0;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
}

.auth-form {
    display: flex;
    gap: 8px;
    align-items: center;
}

.auth-form input {
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
}

.app-hidden {
    display: none;
}

button {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    background: #fff;
    cursor: pointer;
}

button:hover {
    background: #f7f9fc;
}

button.primary {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}

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

.status {
    margin: 0;
    min-height: 1.2em;
    color: var(--muted);
}

.status.error {
    color: var(--danger);
}