/* ==========================================================================
   NECB 2025 Prescriptive Compliance Tool Main Styles
   Professional, compact, and readable design
   ========================================================================== */

:root {
    /* Primary Colors - Updated with more blue focus */
    --primary-color: #0d6efd;
    --primary-dark: #0a58ca;
    --primary-light: #cfe2ff;
    
    /* Secondary Colors */
    --secondary-color: #28a745;
    --secondary-dark: #1e7e34;
    --secondary-light: #d4edda;
    
    /* Status Colors */
    --success-color: #28a745;
    --success-light: #d4edda;
    --success-dark: #155724;
    
    --warning-color: #ffc107;
    --warning-light: #fff3cd;
    --warning-dark: #856404;
    
    --danger-color: #dc3545;
    --danger-light: #f8d7da;
    --danger-dark: #721c24;
    
    --info-color: #17a2b8;
    --info-light: #d1ecf1;
    --info-dark: #0c5460;
    
    /* Neutral Colors */
    --neutral-dark: #343a40;
    --neutral-mid: #6c757d;
    --neutral-light: #e9ecef;
    --neutral-border: #dee2e6;
    --neutral-bg: #f8f9fa;
    
    /* Gradients */
    --primary-gradient: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
--success-gradient: linear-gradient(135deg, #1a2530 0%, #5d7b9a 100%);
    --info-gradient: linear-gradient(135deg, #17a2b8 0%, #0c5460 100%);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
}

/* ==========================================================================
   1. BASE STYLES & RESETS
   ========================================================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--neutral-dark);
    background-color: #f5f7fa;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 100%;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* ==========================================================================
   2. TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    color: var(--neutral-dark);
}

h1 { font-size: var(--font-size-xl); }
h2 { font-size: var(--font-size-lg); }
h3 { font-size: var(--font-size-base); }
h4, h5, h6 { font-size: var(--font-size-sm); }

.small, small {
    font-size: var(--font-size-xs);
}

/* ==========================================================================
   3. NAVBAR STYLES - Keeping green for brand identity
   ========================================================================== */
.necb-navbar {
    background: var(--success-gradient) !important; /* Keep green for brand */
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.necb-brand-text {
    line-height: 1.2;
}

.necb-brand-text .fw-bold {
    font-size: 1.1rem;
    margin-bottom: 0.125rem;
}

.necb-subtitle {
    font-size: 0.8rem;
    opacity: 0.9;
}

.necb-nav-tab {
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: all 0.2s ease;
    margin: 0 0.125rem;
}

.necb-nav-tab:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.necb-nav-tab.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.necb-utility-buttons {
    gap: 0.5rem;
}

.necb-utility-btn {
    padding: 0.375rem 0.75rem !important;
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.necb-utility-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   4. CARD STYLES - UPDATED TO BLUE HEADERS
   ========================================================================== */
.prescriptive-card {
    border: 1px solid var(--neutral-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
    background-color: white;
    transition: box-shadow 0.2s ease;
}

.prescriptive-card:hover {
    box-shadow: var(--shadow-md);
}

/* LEFT COLUMN CARD HEADERS - Changed from bg-success to bg-primary */
.prescriptive-card .card-header {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0 !important;
}

/* Specific override for left column card headers to be blue */
.prescriptive-card .card-header.bg-success {
    background: var(--primary-gradient) !important;
    color: white !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* RIGHT COLUMN CARD HEADERS - Already blue, but ensure consistency */
.prescriptive-card .card-header.bg-primary {
    background: var(--primary-gradient) !important;
    color: white !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* Special blue header for FDWR visual */
.prescriptive-card .card-header.bg-primary[data-bs-target="#fdwrVisualCollapse"] {
    background: var(--primary-gradient) !important;
    color: white !important;
}

.prescriptive-card .card-body {
    padding: var(--spacing-md);
}

/* Card header with collapse functionality */
.card-header[data-bs-toggle="collapse"] {
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.card-header[data-bs-toggle="collapse"]:hover {
    background-color: rgba(13, 110, 253, 0.9) !important; /* Blue hover */
}

/* ==========================================================================
   5. FORM CONTROLS
   ========================================================================== */
.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--neutral-dark);
}

.form-control {
    padding: 0.5rem 0.75rem;
    font-size: var(--font-size-base);
    border: 1px solid var(--neutral-border);
    border-radius: var(--border-radius-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    outline: none;
}

.form-control-sm {
    padding: 0.375rem 0.5rem;
    font-size: var(--font-size-sm);
}

.form-select {
    padding: 0.5rem 2.25rem 0.5rem 0.75rem;
    background-position: right 0.75rem center;
}

.input-group {
    border-radius: var(--border-radius-sm);
}

.input-group .form-control:focus {
    z-index: 3;
}

.input-group-text {
    background-color: var(--neutral-bg);
    border: 1px solid var(--neutral-border);
    font-size: var(--font-size-sm);
    padding: 0.5rem 0.75rem;
}

/* Envelope specific inputs */
.envelope-input,
.uvalue-input,
.air-leakage-input {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-weight: 500;
}

/* ==========================================================================
   6. SECTION HEADERS
   ========================================================================== */
.section-header {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--primary-dark);
    padding: var(--spacing-sm) 0;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    border-bottom: 2px solid var(--primary-light);
    position: relative;
}

.section-header-vertical {
    color: #6f42c1;
    border-bottom-color: rgba(111, 66, 193, 0.3);
}

.section-header-horizontal {
    color: #198754;
    border-bottom-color: rgba(25, 135, 84, 0.3);
}

.section-header:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--primary-color);
}

.card-sub-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--neutral-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--neutral-border);
}

/* ==========================================================================
   7. COMPLIANCE DISPLAYS
   ========================================================================== */
.limit-info {
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.limit-info i {
    font-size: 0.875em;
}

.fdwr-display,
.srr-display {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background-color: var(--neutral-bg);
    border: 1px solid var(--neutral-border);
}

.fdwr-display .progress,
.srr-display .progress {
    height: 6px;
    border-radius: 3px;
    background-color: var(--neutral-light);
}

.fdwr-display .progress-bar,
.srr-display .progress-bar {
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* ==========================================================================
   8. ALERTS & NOTIFICATIONS
   ========================================================================== */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    border: 1px solid transparent;
}

.alert-warning {
    background-color: var(--warning-light);
    border-color: var(--warning-color);
    color: var(--warning-dark);
}

.alert-info {
    background-color: var(--info-light);
    border-color: var(--info-color);
    color: var(--info-dark);
}

.alert-success {
    background-color: var(--success-light);
    border-color: var(--success-color);
    color: var(--success-dark);
}

/* ==========================================================================
   9. BUTTONS
   ========================================================================== */
.btn {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Primary buttons use blue */
.btn-primary {
    background: var(--primary-gradient);
    border-color: var(--primary-dark);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #084298 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
}

/* Success buttons still use green */
.btn-success {
    background: var(--success-gradient);
    border-color: var(--secondary-dark);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, #155724 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-info {
    background: var(--info-gradient);
    border-color: var(--info-dark);
    color: white;
}

.btn-info:hover {
    background: linear-gradient(135deg, #138496 0%, #0c5460 100%);
    border-color: #117a8b;
    color: white;
    transform: translateY(-1px);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: var(--neutral-dark);
}

.btn-warning:hover {
    background-color: #e0a800;
    border-color: #d39e00;
    color: var(--neutral-dark);
    transform: translateY(-1px);
}

.btn-outline-danger {
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-outline-danger:hover {
    background-color: var(--danger-color);
    color: white;
    transform: translateY(-1px);
}

/* ==========================================================================
   10. TABLES
   ========================================================================== */
.compliance-table {
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.compliance-table th {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
    padding: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
    text-align: left;
}

.compliance-table td {
    padding: var(--spacing-sm);
    vertical-align: middle;
    border-bottom: 1px solid var(--neutral-border);
}

.compliance-table tbody tr:hover {
    background-color: var(--neutral-bg);
}

.compliance-table tr.table-success {
    background-color: var(--success-light);
}

.compliance-table tr.table-danger {
    background-color: var(--danger-light);
}

.compliance-table tr.table-warning {
    background-color: var(--warning-light);
}

.table-responsive {
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--neutral-border);
}

/* ==========================================================================
   11. AI ANALYSIS PANEL
   ========================================================================== */
.ai-connection-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: var(--font-size-xs);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.1);
}

.ai-connection-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.ai-connection-dot.connected {
    background-color: var(--success-color);
    animation: pulse 2s infinite;
}

.ai-connection-dot.disconnected {
    background-color: var(--neutral-light);
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

#aiAnalysisOutput {
    background-color: var(--neutral-bg);
    border: 1px solid var(--neutral-border);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ==========================================================================
   12. TOOLTIPS & INFO ICONS
   ========================================================================== */
.in-contact-w-ground-tooltip {
    display: inline-block;
    width: 16px;
    height: 16px;
    line-height: 16px;
    text-align: center;
    background-color: var(--info-light);
    color: var(--info-dark);
    border-radius: 50%;
    font-size: 0.75em;
    cursor: help;
    margin-left: 0.25rem;
    vertical-align: middle;
}

.form-text {
    font-size: var(--font-size-xs);
    color: var(--neutral-light);
    margin-top: var(--spacing-xs);
}

/* ==========================================================================
   13. MODALS
   ========================================================================== */
.modal-content {
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--neutral-border);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-body {
    padding: var(--spacing-md);
}

.modal-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--neutral-border);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* ==========================================================================
   14. BOTTOM NAVIGATION
   ========================================================================== */
.navbar-bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 1px solid var(--neutral-border);
    padding: var(--spacing-sm) 0;
    z-index: 1020;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
}

.nav-bottom-container {
    display: flex;
    justify-content: space-around;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.nav-bottom-item {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--neutral-light);
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.nav-bottom-item:hover:not(.active) {
    background-color: var(--neutral-light);
    color: var(--neutral-dark);
}

.nav-bottom-item.active {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.nav-bottom-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-bottom-item.disabled:hover {
    background: none;
    color: var(--neutral-light);
}

/* ==========================================================================
   15. RESPONSIVE ADJUSTMENTS
   ========================================================================== */
@media (max-width: 768px) {
    body {
        font-size: var(--font-size-sm);
    }
    
    .container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .prescriptive-card .card-body {
        padding: var(--spacing-sm);
    }
    
    .section-header {
        font-size: var(--font-size-sm);
        padding: var(--spacing-xs) 0;
    }
    
    .btn {
        padding: 0.375rem 0.75rem;
        font-size: var(--font-size-sm);
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: var(--font-size-base);
    }
    
    .compliance-table {
        font-size: var(--font-size-xs);
    }
    
    .compliance-table th,
    .compliance-table td {
        padding: var(--spacing-xs);
    }
    
    .nav-bottom-item {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 576px) {
    .necb-brand-text .fw-bold {
        font-size: 1rem;
    }
    
    .necb-subtitle {
        font-size: 0.7rem;
    }
    
    .necb-nav-tab {
        padding: 0.375rem 0.5rem !important;
        font-size: var(--font-size-xs);
    }
    
    .form-control {
        padding: 0.375rem 0.5rem;
        font-size: var(--font-size-sm);
    }
}

/* ==========================================================================
   16. UTILITY CLASSES
   ========================================================================== */
.text-cyan {
    color: #17a2b8 !important;
}

.font-monospace {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.cursor-pointer {
    cursor: pointer;
}

.flex-grow-1 {
    flex-grow: 1;
}

/* Ensure smooth transitions for collapse elements */
.collapsing {
    transition: height 0.3s ease;
}

/* Loading states */
.spinner-border {
    border-width: 0.2em;
}

/* Custom scrollbar for AI output */
#aiAnalysisOutput::-webkit-scrollbar {
    width: 8px;
}

#aiAnalysisOutput::-webkit-scrollbar-track {
    background: var(--neutral-light);
    border-radius: 4px;
}

#aiAnalysisOutput::-webkit-scrollbar-thumb {
    background: var(--neutral-light);
    border-radius: 4px;
}

#aiAnalysisOutput::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-dark);
}

/* ==========================================================================
   17. SPECIFIC CARD HEADER OVERRIDES FOR LEFT COLUMN
   ========================================================================== */
/* These selectors ensure left column headers are blue */
#projectInfoCollapse ~ .card-header,
#climateZoneSection ~ .card-header,
[data-bs-target="#projectInfoCollapse"],
[data-bs-target="#climateZoneInfo"] {
    background: var(--primary-gradient) !important;
    color: white !important;
}

/* Override any existing green classes in left column */
.col-md-6:first-child .prescriptive-card .card-header {
    background: var(--primary-gradient) !important;
    color: white !important;
}

/* Make sure the hover states are also blue */
.col-md-6:first-child .prescriptive-card .card-header:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #084298 100%) !important;
}

/* Apply vertical tab styling to this button */
.vertical-style-btn {
    color: #6f42c1 !important;
    border-color: #6f42c1 !important;
    padding: 0.15rem 0.35rem !important;
    font-size: 0.75rem !important;
    line-height: 1.1;
    min-width: 26px;
    min-height: 26px;
    transition: all 0.15s ease;
}

/* Even smaller on hover for compact feel */
.vertical-style-btn:hover {
    background-color: #6f42c1 !important;
    color: white !important;
    padding: 0.1rem 0.3rem !important;
    transform: translateY(-1px);
}

.vertical-style-btn .fas {
    color: #6f42c1 !important;
    font-size: 0.7rem !important;
    transition: all 0.15s ease;
}

.vertical-style-btn:hover .fas {
    color: white !important;
    font-size: 0.65rem !important; /* Slightly smaller on hover */
}

.horizontal-style-btn {
    color: #198754 !important; /* Bootstrap green color */
    border-color: #198754 !important;
    padding: 0.15rem 0.35rem !important;
    font-size: 0.75rem !important;
    line-height: 1.1;
    min-width: 26px;
    min-height: 26px;
    transition: all 0.15s ease;
    background-color: rgba(25, 135, 84, 0.05) !important; /* Light green background */
}

/* Even smaller on hover for compact feel */
.horizontal-style-btn:hover {
    background-color: #198754 !important;
    color: white !important;
    padding: 0.1rem 0.3rem !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(25, 135, 84, 0.2);
}

.horizontal-style-btn .fas {
    color: #198754 !important;
    font-size: 0.7rem !important;
    transition: all 0.15s ease;
}

.horizontal-style-btn:hover .fas {
    color: white !important;
    font-size: 0.65rem !important; /* Slightly smaller on hover */
}

/* Optional: Active state for when button is clicked */
.horizontal-style-btn:active {
    transform: translateY(0);
    background-color: #157347 !important; /* Darker green when pressed */
    border-color: #157347 !important;
}

/* Optional: Focus state for accessibility */
.horizontal-style-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(25, 135, 84, 0.25) !important;
}