.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    font-size: 14px;
}

.required {
    color: #ef4444;
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.2s;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.filters {
    display: none;
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 24px;
    margin: 20px 0;
}

.filters.show {
    display: block;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.filters-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.filters-row.full-width {
    grid-template-columns: 1fr;
}

.filter-item {
    min-width: 0;
}

.date-hint {
    font-size: 13px;
    color: #6b7280;
    margin-top: 4px;
    font-style: italic;
}

.submit-section {
    padding-top: 12px;
    margin-top: 12px;
}

.history-section {
    width: 100%;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
}

.section-header {
    margin-bottom: 24px;
}

.section-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: #6b7280;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state h4 {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}

.cards-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 24px 0;
    max-height: 500px;
    overflow-y: auto;
}

.request-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid #f3f4f6;
    gap: 16px;
}

.card-date {
    font-weight: 700;
    font-size: 18px;
    color: #1f2937;
    flex-shrink: 0;
}

.card-status {
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    min-width: 80px;
    text-align: center;
    flex-shrink: 0;
}

.card-body {
    margin-bottom: 20px;
}

.card-row {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    gap: 12px;
}

.card-row .label {
    font-weight: 600;
    color: #6b7280;
    font-size: 15px;
    min-width: 70px;
    flex-shrink: 0;
}

.card-row .value {
    color: #1f2937;
    font-size: 15px;
    font-weight: 500;
    flex: 1;
}

.cards-container::-webkit-scrollbar {
    width: 6px;
}

.cards-container::-webkit-scrollbar-track {
    background: transparent;
}

.cards-container::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.cards-container::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

@media (max-width: 640px) {
    .request-card {
        padding: 20px 16px;
        margin: 0 8px;
    }

    .card-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        text-align: center;
    }

    .card-date {
        font-size: 16px;
    }

    .card-actions {
        flex-direction: column;
    }
}