/* 
 * ERP Theme Stylesheet
 * Modern, professional design for enterprise applications
 * Version: 1.0.0
 */

/* ==================== Global Styles ==================== */
:root {
    --primary-gradient: linear-gradient(135deg, #3b7a57 0%, #2d5f45 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --danger-gradient: linear-gradient(135deg, #ff9a56 0%, #ff6a88 100%);
    --info-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --dark-gradient: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
    
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    --border-radius: 12px;
    --transition-speed: 0.3s;
}

/* Dark mode gradient overrides */
[data-theme="dark"] {
    --primary-gradient: linear-gradient(135deg, #58a6ff 0%, #1f6feb 100%);
    --success-gradient: linear-gradient(135deg, #3fb950 0%, #238636 100%);
    --danger-gradient: linear-gradient(135deg, #f85149 0%, #da3633 100%);
    --info-gradient: linear-gradient(135deg, #58a6ff 0%, #1f6feb 100%);
    --warning-gradient: linear-gradient(135deg, #d29922 0%, #9e6a03 100%);
    --dark-gradient: linear-gradient(135deg, #1f6feb 0%, #0d1117 100%);
    
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.5);
}

body {
    background-color: #f8f9fa;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 400;
}

/* ==================== Card Styles ==================== */
.erp-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) ease;
}

.erp-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.erp-card-header {
    background: linear-gradient(135deg, #3b7a57 0%, #2d5f45 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: 1rem 1.5rem;
    font-weight: 500;
}

/* Dark mode ERP card header */
[data-theme="dark"] .erp-card-header {
    background: linear-gradient(135deg, #58a6ff 0%, #1f6feb 100%);
    color: white;
}

.erp-card-header h5,
.erp-card-header h4,
.erp-card-header h3 {
    margin: 0;
    color: white;
    font-weight: 500;
}

/* ==================== Button Styles ==================== */
.erp-btn {
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all var(--transition-speed) ease;
    border: none;
}

.erp-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.erp-btn-gradient {
    background: var(--primary-gradient);
    color: white;
}

.erp-btn-gradient:hover {
    opacity: 0.9;
    color: white;
}

/* ==================== Table Styles ==================== */
.erp-table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.erp-table thead {
    background: linear-gradient(135deg, #3b7a57 0%, #2d5f45 100%);
    color: white;
}

.erp-table thead th {
    border: none;
    padding: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.3px;
}

.erp-table tbody tr {
    transition: all 0.2s ease;
}

.erp-table tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
    transform: scale(1.01);
}

.erp-table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #e9ecef;
}

/* ==================== Badge Styles ==================== */
.erp-badge {
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.8rem;
}

.erp-badge-gradient {
    background: var(--primary-gradient);
    color: white;
}

/* ==================== Form Styles ==================== */
.erp-form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: all var(--transition-speed) ease;
}

.erp-form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.erp-form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

/* ==================== Page Header Styles ==================== */
.erp-page-header {
    background: linear-gradient(135deg, #3b7a57 0%, #2d5f45 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.erp-page-header h1,
.erp-page-header h2,
.erp-page-header h3 {
    color: white;
    margin: 0;
}

.erp-page-title {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.erp-page-subtitle {
    font-size: 0.95rem;
    opacity: 0.9;
    font-weight: 400;
}

/* ==================== Stat Card Styles ==================== */
.stat-card {
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg) !important;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-speed) ease;
}

.stat-card:hover .stat-icon {
    transform: rotate(5deg) scale(1.05);
}

/* ==================== Action Button Styles ==================== */
.erp-action-btn {
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.erp-action-btn:hover {
    transform: translateY(-2px);
    border-color: currentColor;
}

/* ==================== Alert Styles ==================== */
.erp-alert {
    border-radius: var(--border-radius);
    border: none;
    border-left: 4px solid;
    box-shadow: var(--shadow-sm);
}

.erp-alert-info {
    border-left-color: #4facfe;
    background: linear-gradient(to right, rgba(79, 172, 254, 0.1), transparent);
}

.erp-alert-success {
    border-left-color: #43e97b;
    background: linear-gradient(to right, rgba(67, 233, 123, 0.1), transparent);
}

.erp-alert-warning {
    border-left-color: #fee140;
    background: linear-gradient(to right, rgba(254, 225, 64, 0.1), transparent);
}

.erp-alert-danger {
    border-left-color: #ff6a88;
    background: linear-gradient(to right, rgba(255, 106, 136, 0.1), transparent);
}

/* ==================== Modal Styles ==================== */
.erp-modal-header {
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-weight: 500;
}

.erp-modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--shadow-lg);
}

/* ==================== Sidebar Styles ==================== */
.erp-sidebar {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
}

.erp-sidebar-item {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    margin-bottom: 0.5rem;
}

.erp-sidebar-item:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(5px);
}

.erp-sidebar-item.active {
    background: var(--primary-gradient);
    color: white;
}

/* ==================== Data Grid Styles ==================== */
.erp-data-grid {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.erp-data-grid-header {
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
    padding: 1rem 1.5rem;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

.erp-data-grid-row {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e9ecef;
    transition: all 0.2s ease;
}

.erp-data-grid-row:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

/* ==================== Status Badge Styles ==================== */
.status-badge {
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-pending {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    color: #856404;
}

.status-approved {
    background: linear-gradient(135deg, #55efc4 0%, #00b894 100%);
    color: #155724;
}

.status-completed {
    background: linear-gradient(135deg, #81ecec 0%, #00cec9 100%);
    color: #004085;
}

.status-rejected {
    background: linear-gradient(135deg, #ff7675 0%, #d63031 100%);
    color: #721c24;
}

.status-cancelled {
    background: linear-gradient(135deg, #b2bec3 0%, #636e72 100%);
    color: #383d41;
}

/* ==================== Icon Styles ==================== */
.erp-icon-lg {
    font-size: 3rem;
    opacity: 0.1;
    position: absolute;
    right: 1rem;
    bottom: 1rem;
}

/* ==================== Utility Classes ==================== */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hover-scale {
    transition: transform var(--transition-speed) ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* ==================== Responsive Adjustments ==================== */
@media (max-width: 768px) {
    .erp-page-header {
        padding: 1.5rem;
    }
    
    .erp-page-title {
        font-size: 1.5rem;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
    }
    
    .icon-circle {
        width: 70px;
        height: 70px;
    }
}

/* ==================== Animation Classes ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}

/* ==================== Loading Spinner ==================== */
.erp-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}