/* Main Styles */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

.container, .container-fluid {
    max-width: 1400px;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.page-header-actions {
    display: flex;
    gap: 1rem;
}

/* Dashboard Cards */
.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.stat-card-icon {
    font-size: 2.5rem;
    color: var(--link-color);
    margin-bottom: 1rem;
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stat-card-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* List/Table Section */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 0.5rem;
}

.section-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.search-box {
    flex: 1;
    max-width: 300px;
    margin-right: 1rem;
}

.search-box input {
    width: 100%;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Form Styles */
.form-section {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.form-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row.two-cols {
    grid-template-columns: 1fr 1fr;
}

.form-row.three-cols {
    grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 768px) {
    .form-row.two-cols,
    .form-row.three-cols {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: block;
    color: var(--text-primary);
}

/* Line Items / Embedded Table */
.line-items-container {
    margin: 2rem 0;
}

.line-items-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 0.5fr;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border-radius: 0.5rem 0.5rem 0 0;
    font-weight: 600;
    font-size: 0.875rem;
}

.line-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 0.5fr;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.line-item input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--input-border);
    border-radius: 0.375rem;
    background-color: var(--input-bg);
    color: var(--text-primary);
}

.line-item-remove {
    display: flex;
    justify-content: center;
}

.line-item-remove button {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 0.25rem;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-pending {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.status-confirmed {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.status-completed {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-cancelled {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.empty-state-description {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Modal Customization */
.modal-header {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.modal-body {
    background-color: var(--card-bg);
}

.modal-footer {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

/* Loading Indicator */
.loading {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 3px solid var(--bg-tertiary);
    border-right-color: var(--link-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .page-header-actions {
        width: 100%;
    }

    .page-header-actions .btn {
        flex: 1;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .search-box {
        max-width: 100%;
    }

    .line-items-header,
    .line-item {
        grid-template-columns: 1fr;
    }

    main {
        padding: 1rem 0;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}