:root {
    color-scheme: light dark;
    --bg: #0f1720;
    --panel: #1a2634;
    --border: #2d3f52;
    --text: #e6edf3;
    --muted: #8b9bab;
    --accent: #4f8cff;
    --ok: #3fb950;
    --error: #f85149;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 3rem 1rem;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.card {
    width: 100%;
    max-width: 480px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
}

h1 {
    margin: 0 0 0.25rem;
    font-size: 1.4rem;
}

.subtitle {
    margin: 0 0 1.5rem;
    color: var(--muted);
    font-size: 0.9rem;
}

label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
    color: var(--muted);
}

.field {
    margin-bottom: 1.25rem;
}

input[type="text"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 0.65rem 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
}

input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.field-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: var(--muted);
}

#char-counter {
    font-variant-numeric: tabular-nums;
}

.char-counter--over {
    color: var(--error);
    font-weight: 600;
}

.field-hint {
    margin-top: 0.35rem;
    font-size: 0.78rem;
    color: var(--muted);
}

.field-error {
    margin-top: 0.35rem;
    font-size: 0.78rem;
    color: var(--error);
}

.token-status--ok {
    color: var(--ok);
}

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

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.6rem;
    font-size: 0.85rem;
    color: var(--muted);
    cursor: pointer;
}

.checkbox-field input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.api-command-textarea {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.78rem;
    min-height: 70px;
}

.copy-btn {
    width: auto;
    display: inline-block;
    margin-top: 0.5rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.78rem;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

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

.copy-btn.copied {
    color: var(--ok);
    border-color: var(--ok);
}

button {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.status-box {
    margin-top: 1rem;
    padding: 0.65rem 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    min-height: 1.2em;
}

.status-box--pending {
    background: rgba(79, 140, 255, 0.15);
    color: var(--accent);
}

.status-box--ok {
    background: rgba(63, 185, 80, 0.15);
    color: var(--ok);
}

.status-box--error {
    background: rgba(248, 81, 73, 0.15);
    color: var(--error);
}