:root {
    color-scheme: light dark;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg: #f5f7fb;
    --card-bg: #ffffff;
    --border: #dbe1ef;
    --text: #1f2933;
    --muted: #6b7280;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "SF Pro Display", "PingFang SC", "Microsoft Yahei", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: linear-gradient(120deg, var(--primary), #4f46e5);
    color: #fff;
    padding: 1.8rem 1.5rem 1.4rem;
}

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

header p {
    margin: 0.4rem 0 0;
    font-size: 0.95rem;
    opacity: 0.9;
}

.module-switch {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.module-switch a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-weight: 600;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.module-switch a.active,
.module-switch a:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

nav[data-operation-nav] {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    padding: 0.9rem 1.5rem 0;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.18), rgba(37, 99, 235, 0));
}

nav[data-operation-nav] a {
    text-decoration: none;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.08);
    padding: 0.45rem 0.85rem;
    border-radius: 0.75rem;
    font-size: 0.92rem;
    font-weight: 600;
    transition: background 0.2s ease;
}

nav[data-operation-nav] a.active,
nav[data-operation-nav] a:hover {
    background: rgba(37, 99, 235, 0.2);
}

main {
    flex: 1;
    width: min(1100px, 100%);
    margin: 0 auto;
    padding: 1.5rem 1rem 2.5rem;
    display: grid;
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(15, 23, 42, 0.05);
    padding: 1.5rem;
}

.card h2 {
    margin: 0 0 1rem;
    font-size: 1.25rem;
}

form .field {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

form .field label {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
}

form .field input,
form .field select,
form .field textarea {
    border: 1px solid var(--border);
    border-radius: 0.65rem;
    padding: 0.65rem 0.75rem;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.85);
}

form .helper {
    font-size: 0.82rem;
    color: var(--muted);
    margin-top: 0.3rem;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.9rem;
}

.checkbox input {
    width: 18px;
    height: 18px;
}

.button-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

button.primary {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 0.75rem 1.4rem;
    border-radius: 0.75rem;
    font-size: 0.96rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

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

.alert {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.alert.error {
    background: rgba(220, 38, 38, 0.1);
    color: var(--danger);
}

.alert.success {
    background: rgba(22, 163, 74, 0.12);
    color: var(--success);
}

.task-list {
    display: grid;
    gap: 1rem;
}

.task-item {
    border: 1px solid rgba(37, 99, 235, 0.12);
    border-radius: 0.9rem;
    padding: 1rem;
    background: rgba(37, 99, 235, 0.04);
}

.task-item header {
    background: none;
    color: inherit;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.task-item header h3 {
    margin: 0;
    font-size: 1.05rem;
}

.task-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
}

.status-success {
    background: rgba(34, 197, 94, 0.16);
    color: var(--success);
}

.status-failed {
    background: rgba(220, 38, 38, 0.14);
    color: var(--danger);
}

.status-running {
    background: rgba(37, 99, 235, 0.16);
    color: var(--primary);
}

.status-pending,
.status-queued {
    background: rgba(217, 119, 6, 0.16);
    color: var(--warning);
}

.task-actions {
    margin-top: 0.9rem;
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.task-actions button {
    border: none;
    border-radius: 0.6rem;
    padding: 0.45rem 0.9rem;
    font-size: 0.85rem;
    cursor: pointer;
    background: rgba(37, 99, 235, 0.18);
    color: var(--primary);
}

.task-actions button:hover {
    background: rgba(37, 99, 235, 0.3);
}

.event-list {
    margin-top: 0.85rem;
    border-top: 1px solid rgba(37, 99, 235, 0.12);
    padding-top: 0.75rem;
    display: grid;
    gap: 0.65rem;
}

.event-item {
    font-size: 0.85rem;
    line-height: 1.5;
}

.event-item strong {
    color: var(--primary-dark);
}

.media-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.media-list a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    text-decoration: none;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    padding: 0.4rem 0.7rem;
    border-radius: 0.65rem;
    font-size: 0.85rem;
}

@media (min-width: 900px) {
    main {
        grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    header {
        padding: 1.5rem 1.1rem 1.2rem;
    }

    main {
        padding: 1rem 0.75rem 2rem;
    }

    .card {
        padding: 1.2rem;
    }
}