/* VTClean Application Styles */
:root {
    --primary-green: #00a25f;
    --secondary-blue: #00313c;
    --light-gray: #f5f5f5;
    --dark-gray: #333;
    --white: #ffffff;
    --danger: #dc3545;
    --warning: #ffc107;
    --success: #28a745;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--light-gray);
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header h1 {
    font-size: 2rem;
    font-weight: 300;
    text-align: center;
}

.header .subtitle {
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

/* Navigation */
.nav {
    background-color: var(--secondary-blue);
    padding: 0.5rem 0;
}

.nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.nav li {
    margin: 0 1rem;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Main Content */
.main-content {
    background-color: var(--white);
    margin: 2rem auto;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    min-height: 400px;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 2px rgba(0, 162, 95, 0.2);
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-text {
    font-size: 0.875rem;
    color: #6c757d;
    margin-top: 0.25rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    margin: 0.25rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 120px;
}

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

.btn-primary:hover {
    background-color: #008a52;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--secondary-blue);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #002833;
    transform: translateY(-1px);
}

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

.btn-danger:hover {
    background-color: #c82333;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-outline:hover {
    background-color: var(--primary-green);
    color: var(--white);
}

.btn-block {
    width: 100%;
    display: block;
}

/* Cards */
.card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 1rem 1.5rem;
    font-weight: 500;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background-color: var(--light-gray);
    padding: 1rem 1.5rem;
    border-top: 1px solid #ddd;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table th {
    background-color: var(--secondary-blue);
    color: var(--white);
    font-weight: 500;
}

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

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* Task Lists */
.task-list {
    list-style: none;
}

.task-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background-color: var(--white);
    border: 2px solid #ddd;
    border-radius: 4px;
    transition: border-color 0.3s;
}

.task-item:hover {
    border-color: var(--primary-green);
}

.task-checkbox {
    margin-right: 1rem;
    transform: scale(1.2);
}

.task-content {
    flex: 1;
}

.task-name {
    font-weight: 500;
    color: var(--secondary-blue);
    margin-bottom: 0.25rem;
}

.task-description {
    font-size: 0.9rem;
    color: #6c757d;
}

/* Inventory Items */
.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.inventory-item {
    background-color: var(--white);
    border: 2px solid #ddd;
    border-radius: 8px;
    padding: 1rem;
    transition: border-color 0.3s;
}

.inventory-item:hover {
    border-color: var(--primary-green);
}

.inventory-name {
    font-weight: 500;
    color: var(--secondary-blue);
    margin-bottom: 0.5rem;
}

.inventory-quantity {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.quantity-input {
    width: 80px;
    text-align: center;
}

.low-stock {
    color: var(--danger);
    font-weight: 500;
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--primary-green);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: border-color 0.3s;
    cursor: pointer;
}

.file-upload:hover {
    border-color: var(--secondary-blue);
    background-color: #f8f9fa;
}

.file-upload.dragover {
    border-color: var(--secondary-blue);
    background-color: rgba(0, 162, 95, 0.1);
}

/* Photo Gallery */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.photo-thumbnail {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
    border: 2px solid #ddd;
    transition: transform 0.3s;
}

.photo-thumbnail:hover {
    transform: scale(1.05);
    border-color: var(--primary-green);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .main-content {
        margin: 1rem auto;
        padding: 1rem;
    }
    
    .nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    .nav li {
        margin: 0.25rem 0;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .inventory-grid {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem 0.25rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.25rem;
    }
    
    .main-content {
        margin: 0.5rem auto;
        padding: 0.5rem;
        border-radius: 0;
    }
    
    .task-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .task-checkbox {
        margin-bottom: 0.5rem;
    }
}

/* Loading Spinner */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-green);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: #6c757d; }
.text-primary { color: var(--primary-green); }
.text-secondary { color: var(--secondary-blue); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }