/* Blueprint Inventory - Dark Theme */
:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --dark-bg: #121212;
    --darker-bg: #0a0a0a;
    --card-bg: #1e1e1e;
    --card-border: #333;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #888;
    --border-color: #444;
    --hover-bg: #2a2a2a;
    --success-color: #27ae60;
    --info-color: #3498db;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--darker-bg) 0%, #1a1a2e 100%);
    padding: 20px;
}

.login-container {
    max-width: 400px;
    width: 100%;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 2.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.login-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
}

.login-card h2 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-primary);
}

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

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

.form-group input {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--card-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

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

.btn-danger:hover {
    background-color: #c0392b;
}

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

.btn-success:hover {
    background-color: #229954;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

.error-message {
    background-color: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--danger-color);
    color: #ff6b6b;
    padding: 0.75rem;
    border-radius: 5px;
    margin-top: 1rem;
}

.success-message {
    background-color: rgba(46, 204, 113, 0.1);
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    padding: 0.75rem;
    border-radius: 5px;
    margin-top: 1rem;
}

.login-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.login-footer .warning {
    color: var(--warning-color);
    font-weight: 600;
    margin-top: 0.5rem;
}

.app-info {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 1.5rem;
}

.app-info h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.app-info ul {
    list-style-position: inside;
    color: var(--text-secondary);
}

.app-info li {
    margin-bottom: 0.5rem;
}

/* Main App Layout */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background-color: var(--darker-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left h1 {
    font-size: 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Two-panel layout */
.panel {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

.panel-left {
    border-right: 1px solid var(--border-color);
    background-color: var(--darker-bg);
}

.panel-right {
    background-color: var(--dark-bg);
}

.panel-header {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-actions {
    display: flex;
    gap: 0.5rem;
}

.panel-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Filters */
.filters {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.filter-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 150px;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 0.5rem;
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
}

.filter-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* Blueprint Grid */
.blueprint-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.blueprint-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
    cursor: pointer;
}

.blueprint-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.blueprint-image {
    width: 100%;
    height: 120px;
    object-fit: contain;
    margin-bottom: 0.75rem;
    background-color: var(--darker-bg);
    border-radius: 4px;
    padding: 0.5rem;
}

.blueprint-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.blueprint-details {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.blueprint-actions {
    margin-top: 0.5rem;
}

/* Inventory List */
.inventory-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inventory-item {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.inventory-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.inventory-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
    background-color: var(--darker-bg);
    border-radius: 4px;
    padding: 0.25rem;
}

.inventory-name {
    font-weight: 600;
    color: var(--text-primary);
}

.inventory-quantity {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    min-width: 40px;
    text-align: center;
}

.inventory-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    cursor: pointer;
    border: none;
    font-size: 1.2rem;
}

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

.quantity-btn.increment {
    background-color: var(--success-color);
    color: white;
}

/* Loading States */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.loading-spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

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

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Admin Panel */
.admin-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.admin-section {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.admin-section h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.users-table {
    width: 100%;
    border-collapse: collapse;
}

.users-table th,
.users-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.users-table th {
    background-color: var(--darker-bg);
    color: var(--text-secondary);
    font-weight: 600;
}

.users-table tr:hover {
    background-color: var(--hover-bg);
}

.admin-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-form {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.user-form .form-row {
    display: flex;
    gap: 1rem;
}

.user-form .form-row > * {
    flex: 1;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }
    
    .panel-left {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .blueprint-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .filter-row {
        flex-direction: column;
    }
    
    .inventory-item {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .inventory-info {
        justify-content: space-between;
    }
    
    .inventory-actions {
        justify-content: center;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

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

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

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

/* Show All Grid */
.show-all-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.show-all-item {
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.show-all-image {
    width: 100%;
    height: 120px;
    object-fit: contain;
    margin-bottom: 0.5rem;
    background-color: var(--dark-bg);
    border-radius: 4px;
    padding: 0.5rem;
}

.show-all-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.show-all-quantity {
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 600;
}