/* ============================================
   Modular System - Modern Dark Theme
   ============================================ */

:root {
    /* Colors - Deep ocean dark theme */
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --bg-card: #151d2e;
    --bg-hover: #1e293b;
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #06b6d4;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    --border-color: #1e293b;
    --border-active: #334155;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.15);
    
    /* Typography */
    --font-sans: 'Manrope', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    background-image: 
        radial-gradient(ellipse at 50% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
}

/* App Layout */
.app {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-link.active {
    color: var(--accent-primary);
    background: rgba(6, 182, 212, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.25);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover {
    background: var(--bg-hover);
    border-color: var(--border-active);
    color: var(--text-primary);
}

.btn-icon {
    padding: 0.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Views */
.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section Header */
.section-header {
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Modules Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.module-card {
    background: var(--bg-card);
    background-image: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--module-color, var(--gradient-primary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.module-card:hover {
    border-color: var(--border-active);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.module-card:hover::before {
    opacity: 1;
}

.module-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.module-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.module-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.module-stats {
    display: flex;
    gap: 1.5rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Add module card */
.module-card.add-card {
    border-style: dashed;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--text-muted);
}

.module-card.add-card:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.add-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

/* Search */
.search-container {
    max-width: 800px;
}

.search-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    font-family: inherit;
    font-size: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-results {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.search-result {
    display: flex;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.search-result:hover {
    border-color: var(--border-active);
    background: var(--bg-hover);
}

.result-module {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-content {
    flex: 1;
}

.result-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.result-category {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.result-similarity {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-success);
}

/* MCP Config */
.mcp-config {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 700px;
}

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

.config-card h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.config-value {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.config-value code {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-primary);
    background: var(--bg-secondary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    word-break: break-all;
}

.config-code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Module View */
.module-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.filter-group {
    display: flex;
    gap: 0.75rem;
}

.select {
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.875rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
}

.select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Objects List */
.objects-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.object-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.object-item:hover {
    border-color: var(--border-active);
    background: var(--bg-hover);
}

.object-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-success);
}

.object-status.inactive { background: var(--text-muted); }
.object-status.expired { background: var(--accent-danger); }
.object-status.low { background: var(--accent-warning); }

.object-name {
    flex: 1;
    font-weight: 500;
}

.object-category {
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.object-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

.object-actions {
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.object-item:hover .object-actions {
    opacity: 1;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-body {
    padding: 1.5rem;
}

/* Form */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 2000;
}

.toast {
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

@keyframes slideIn {
    from { 
        opacity: 0; 
        transform: translateX(100%);
    }
    to { 
        opacity: 1; 
        transform: translateX(0);
    }
}

.toast.success { border-left: 3px solid var(--accent-success); }
.toast.error { border-left: 3px solid var(--accent-danger); }
.toast.info { border-left: 3px solid var(--accent-primary); }

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

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

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

/* Module card header */
.module-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.module-card-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.module-card:hover .module-card-actions {
    opacity: 1;
}

/* Section header row */
.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

/* Schema fields */
.schema-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto auto;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    align-items: center;
}

.schema-field-row .form-input {
    margin-bottom: 0;
}

/* Form utilities */
.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent-primary);
}

/* Object details */
.object-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-section {
    background: var(--bg-tertiary);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.detail-section h4 {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
}

.detail-value {
    color: var(--text-primary);
    font-weight: 500;
}

.status-badge {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.status-badge.active { background: rgba(16, 185, 129, 0.2); color: var(--accent-success); }
.status-badge.inactive { background: rgba(100, 116, 139, 0.2); color: var(--text-muted); }
.status-badge.expired { background: rgba(239, 68, 68, 0.2); color: var(--accent-danger); }
.status-badge.low { background: rgba(245, 158, 11, 0.2); color: var(--accent-warning); }
.status-badge.needs_attention { background: rgba(139, 92, 246, 0.2); color: var(--accent-secondary); }

/* Events list */
.events-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
}

.event-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.event-type {
    font-weight: 500;
    color: var(--accent-primary);
}

.event-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.text-muted {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .app {
        padding: 0 1rem;
    }
    
    .header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .header-left {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .modules-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .section-header-row {
        flex-direction: column;
    }
    
    .schema-field-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
}