:root {
    --primary-color: #1a365d;
    --secondary-color: #2563eb;
    --accent-color: #3b82f6;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --sidebar-width: 300px;
    --header-height: 70px;
}

/* Main Content */
.main-content {
    padding: 30px;
    min-height: calc(100vh - var(--header-height) - 60px);
}

.page-header {
    background: white;
    padding: 25px 30px;
    border-radius: 16px;
    margin-bottom: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header-content h1 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-weight: 700;
}

.page-header-content p {
    color: #64748b;
    font-size: 0.95rem;
}

.btn-back {
    padding: 10px 20px;
    background: #f1f5f9;
    border: none;
    border-radius: 10px;
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.btn-back:hover {
    background: #e2e8f0;
    transform: translateX(-3px);
}

/* Section Card */
.section-card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.section-card h2 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f1f5f9;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-card h2 i {
    color: var(--secondary-color);
}

.section-card h3 {
    font-size: 1.05rem;
    color: #334155;
    margin: 25px 0 12px;
    font-weight: 600;
}

.section-card p {
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.section-card ul, .section-card ol {
    margin-left: 25px;
    margin-bottom: 15px;
}

.section-card li {
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 8px;
}

/* Step Card */
.step-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 25px;
    border-radius: 14px;
    margin-bottom: 20px;
    border-left: 5px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.step-card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.step-number {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #7c3aed 100%);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.step-card h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 700;
}

.step-card p {
    margin-bottom: 10px;
}

.step-card ul {
    margin-left: 20px;
}

/* Info Box */
.info-box {
    padding: 20px 25px;
    border-radius: 12px;
    margin: 20px 0;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.info-box i {
    font-size: 1.3rem;
    margin-top: 2px;
}

.info-box.info {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-left: 4px solid var(--secondary-color);
}

.info-box.info i {
    color: var(--secondary-color);
}

.info-box.warning {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-left: 4px solid var(--warning-color);
}

.info-box.warning i {
    color: var(--warning-color);
}

.info-box.success {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-left: 4px solid var(--success-color);
}

.info-box.success i {
    color: var(--success-color);
}

.info-box-content h4 {
    color: var(--primary-color);
    font-size: 0.95rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.info-box-content p {
    margin: 0;
    font-size: 0.9rem;
}

/* Status List */
.status-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.status-item {
    padding: 15px 20px;
    background: #f8fafc;
    border-radius: 10px;
    border-left: 4px solid #94a3b8;
}

.status-item.new {
    border-left-color: var(--secondary-color);
}

.status-item.pending {
    border-left-color: var(--warning-color);
}

.status-item.approved {
    border-left-color: var(--success-color);
}

.status-item.rejected {
    border-left-color: var(--danger-color);
}

.status-item.completed {
    border-left-color: #22c55e;
}

.status-item strong {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.status-item p {
    color: #64748b;
    font-size: 0.85rem;
    margin: 5px 0 0;
}

/* Responsive */
@media (max-width: 992px) {
    .main-content {
        padding: 20px;
    }

    .page-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}