:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --success: #2ecc71;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #17a2b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    /* max-width: 1200px; */
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: var(--primary);
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: white;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
}

nav ul li a:hover, nav ul li a.active {
    background-color: rgba(255,255,255,0.15);
    transform: translateY(-1px);
}

/* Card Styles */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    padding: 25px;
    margin-bottom: 25px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 600;
}

h1 {
    font-size: 32px;
    border-bottom: 3px solid var(--secondary);
    padding-bottom: 10px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

h4 {
    font-size: 18px;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input, select, textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: white;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

/* Button Styles */
button {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), #2980b9);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2980b9, var(--secondary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
}

.edit-subcontractor {
    background: linear-gradient(135deg, #ffb300, #ff8f00);
    color: white;
}

.edit-subcontractor:hover {
    background: linear-gradient(135deg, #ff8f00, #ffb300);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #27ae60);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #27ae60, var(--success));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #e67e22);
    color: white;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e67e22, var(--warning));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #c0392b);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c0392b, var(--danger));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.3);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

/* Search Bar */
.search-bar {
    margin-bottom: 20px;
    position: relative;
}

.search-bar input {
    padding: 12px 45px 12px 15px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23666" width="18" height="18"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 18px;
}

/* Photo Upload */
.photo-upload {
    border: 2px dashed #ddd;
    padding: 30px;
    text-align: center;
    border-radius: 8px;
    margin-bottom: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.photo-upload:hover {
    border-color: var(--secondary);
    background-color: #f0f8ff;
}

.photo-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.photo-preview img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.photo-preview img:hover {
    transform: scale(1.05);
    border-color: var(--secondary);
}

/* Dropdown Container */
.dropdown-container {
    position: relative;
    display: flex;
    align-items: center;
}

.dropdown-container select {
    flex: 1;
    padding-right: 45px;
}

.dropdown-container .add-btn {
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--secondary);
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: white;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.dropdown-container .add-btn:hover {
    background: #2980b9;
    transform: translateY(-50%) scale(1.1);
}

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    font-size: 14px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

table th, table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

table th {
    background: linear-gradient(135deg, var(--primary), #34495e);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
}

table tr:hover {
    background-color: #f8f9fa;
}

table tr:last-child td {
    border-bottom: none;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.action-buttons .btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.modal-header h3 {
    margin: 0;
    color: var(--primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #777;
    transition: color 0.3s ease;
    padding: 5px;
}

.close-btn:hover {
    color: var(--danger);
}

/* Subcontractor Styles */
.subcontractor-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
    border: 3px solid var(--secondary);
}

.subcontractor-item {
    display: flex;
    align-items: center;
    padding: 20px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    margin-bottom: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.subcontractor-item:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.subcontractor-info h4 {
    margin-bottom: 5px;
    color: var(--primary);
}

.subcontractor-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 3px;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 2px solid #e9ecef;
    margin-bottom: 25px;
    background: white;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
}

.tab {
    padding: 15px 25px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #666;
    background: #f8f9fa;
}

.tab:hover {
    background: white;
    color: var(--primary);
}

.tab.active {
    border-bottom: 3px solid var(--secondary);
    color: var(--primary);
    background: white;
    font-weight: 600;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Form Row Layout */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

/* Number Input */
input[type="number"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.section-header h2 {
    margin-bottom: 0;
    color: var(--primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.empty-state .empty-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 16px;
    color: #888;
}

/* Category Management */
.category-management {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    padding: 30px;
    margin-bottom: 30px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.category-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.category-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.category-actions {
    display: flex;
    gap: 8px;
}

.btn-edit, .btn-delete {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-edit {
    background: var(--warning);
    color: white;
}

.btn-edit:hover {
    background: #e67e22;
    transform: translateY(-1px);
}

.btn-delete {
    background: var(--danger);
    color: white;
}

.btn-delete:hover {
    background: #c0392b;
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 1150px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    nav ul {
        margin-top: 0;
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    nav ul li {
        margin-left: 0;
    }
    
    .container {
        padding: 15px;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
        gap: 15px;
    }
    
    table {
        display: table;
        overflow-x: auto;
    }
    
    .modal-content {
        padding: 20px;
        margin: 20px;
        width: calc(100% - 40px);
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .tab {
        padding: 12px 20px;
        text-align: center;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    .subcontractor-item {
        flex-direction: column;
        text-align: center;
    }
    
    .subcontractor-photo {
        margin-right: 0;
        margin-bottom: 15px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 24px;
    }
    
    h2 {
        font-size: 20px;
    }
    
    .card {
        padding: 20px;
    }
    
    button {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .search-bar input {
        padding: 10px 40px 10px 12px;
    }
}

/* Print Styles */
@media print {
    header, .action-buttons, .search-bar, .photo-upload {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    body {
        background: white;
    }
}