:root {
    --bg: #f0f2f8;
    --card: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --primary: #667eea;
    --flyers: #4f46e5;
    --toan4: #7c3aed;
    --success: #16a34a;
    --warning: #ea580c;
    --retry: #dc2626;
    --radius: 16px;
    --shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
}

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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.portal-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 18px 0;
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
}

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

.brand-icon { font-size: 1.8rem; }

.brand strong {
    display: block;
    font-size: 1.1rem;
}

.brand span {
    font-size: 0.85rem;
    opacity: 0.9;
}

main.container {
    padding: 32px 20px 48px;
}

.hero h1 {
    font-size: 1.9rem;
    margin-bottom: 8px;
}

.hero-sub {
    color: var(--muted);
    margin-bottom: 20px;
}

.banner {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 28px;
    font-weight: 600;
}

.banner-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.banner-info {
    background: #e0e7ff;
    color: #3730a3;
    border: 1px solid #a5b4fc;
}

.task-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 36px;
}

.task-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.task-flyers { border-top: 4px solid var(--flyers); }
.task-toan4 { border-top: 4px solid var(--toan4); }

.task-card.state-done_today,
.task-card.state-complete {
    border-color: #86efac;
    background: linear-gradient(180deg, #f0fdf4 0%, #fff 100%);
}

.task-card.state-retry {
    border-color: #fdba74;
    background: linear-gradient(180deg, #fff7ed 0%, #fff 100%);
}

.task-card.state-pending {
    border-color: #a5b4fc;
}

.task-icon {
    font-size: 2.2rem;
}

.task-card h2 {
    font-size: 1.25rem;
}

.task-sub {
    color: var(--muted);
    font-size: 0.9rem;
}

.task-status {
    flex: 1;
    margin: 8px 0;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-pending { background: #e0e7ff; color: #4338ca; }
.badge-retry { background: #ffedd5; color: #c2410c; }
.badge-done_today { background: #dcfce7; color: #15803d; }
.badge-complete { background: #d1fae5; color: #065f46; }
.badge-unknown { background: #f1f5f9; color: #475569; }

.status-msg {
    margin-top: 8px;
    font-size: 0.92rem;
    color: var(--muted);
}

.task-done-mark {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: var(--success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

.btn {
    display: inline-block;
    text-align: center;
    padding: 12px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: transform 0.15s, opacity 0.15s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #764ba2);
    color: white;
}

.btn-retry {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: white;
}

.btn-outline {
    background: white;
    color: var(--primary);
    border: 2px solid #c7d2fe;
}

.progress-summary {
    background: var(--card);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.progress-summary h2 {
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.summary-item {
    background: #f8fafc;
    padding: 16px;
    border-radius: 12px;
}

.summary-label {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 4px;
}

.summary-value {
    font-weight: 700;
    font-size: 1.05rem;
}

.portal-footer {
    text-align: center;
    padding: 20px;
    color: var(--muted);
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    .hero h1 { font-size: 1.5rem; }
    .task-grid { grid-template-columns: 1fr; }
}