:root {
    --bg: #f5f6f8;
    --card: #ffffff;
    --text: #1c1f24;
    --muted: #6b7280;
    --primary: #ed1c24;
    --primary-hover: #c01018;
    --border: #e5e7eb;
    --success-bg: #ecfdf5;
    --success-text: #065f46;
    --error-bg: #fef2f2;
    --error-text: #991b1b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    padding: 32px 16px;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    background: var(--card);
    border-radius: 12px;
    padding: 32px 28px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

h1 {
    margin: 0 0 8px;
    font-size: 1.6rem;
}

h2 {
    margin: 0 0 12px;
    font-size: 1.1rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.subtitle {
    margin: 0 0 24px;
    color: var(--muted);
}

form .row {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.field {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.row .field {
    margin-bottom: 0;
}

.field.small {
    flex: 0 0 auto;
    min-width: 110px;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

input, select {
    font-family: inherit;
    font-size: 1rem;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(237, 28, 36, 0.15);
}

button, .button {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}

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

button {
    width: 100%;
    margin-top: 8px;
}

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

.button.secondary:hover {
    background: rgba(237, 28, 36, 0.08);
}

.error {
    background: var(--error-bg);
    color: var(--error-text);
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.hint {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.8rem;
}

.success {
    background: var(--success-bg);
    color: var(--success-text);
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.summary {
    background: #fafbfc;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
}

.summary dl {
    margin: 0;
    display: grid;
    grid-template-columns: 160px 1fr;
    row-gap: 10px;
    column-gap: 16px;
}

.summary dt {
    font-weight: 600;
    color: var(--muted);
    font-size: 0.9rem;
}

.summary dd {
    margin: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.95rem;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.actions .button {
    flex: 1;
    text-align: center;
}