/* PeerConnect - Manufacturing Dashboard Theme: Precision, Control & Depth (Light Mode Only) */
/* 1) CSS Custom Properties: Theme, Colors, Typography, Spacing, Elevation */
:root {
    /* Brand Colors */
    --color-primary: #3B82F6;
    /* Accessible text on primary = dark */
    --color-secondary: #9a296a;
    --color-info: #0099D2;
    --color-success: #28a745;
    --color-warning: #ffc107;
    /* Accessible text on warning = dark */
    --color-error: #dc3545;
    --color-neutral: #f8f9fa;
    /* RGB for alpha utilities */
    --primary-rgb: 59, 130, 246;
    --secondary-rgb: 154, 41, 106;
    --info-rgb: 0, 153, 210;
    --success-rgb: 40, 167, 69;
    --warning-rgb: 255, 193, 7;
    --error-rgb: 220, 53, 69;
    --neutral-rgb: 248, 249, 250;
    /* Tints/Shades (manual for states) */
    --primary-600: #3575dd;
    --primary-700: #2f68c4;
    --secondary-600: #8a245f;
    --secondary-700: #7b2054;
    --info-600: #0089bd;
    --info-700: #007aa8;
    --success-600: #24963e;
    --success-700: #208537;
    --warning-600: #e5ad06;
    --warning-700: #cc9a05;
    --error-600: #c62f3e;
    --error-700: #b02a37;
    --neutral-600: #5b626a;
    /* Soft backgrounds (chips, subtle states) */
    --primary-soft: #ebf2fe;
    --secondary-soft: #f4e9f0;
    --info-soft: #e5f4fa;
    --success-soft: #e9f6ec;
    --warning-soft: #fff8e6;
    --error-soft: #fbeaec;
    --neutral-soft: #fefefe;
    /* Surface & Text */
    --surface-bg: #f9f9fa;
    --surface-muted: #ececed;
    --surface-0: #fff;
    --surface-1: #fff;
    --border-color: #d3d3d4;
    --divider-color: #e0e0e1;
    --text-strong: #0b1220;
    --text: #1c2430;
    --text-muted: #596273;
    --text-inverse: #fff;
    --text-on-primary: #111;
    /* For accessibility on orange */
    --text-on-warning: #111;
    --text-on-secondary: #fff;
    --text-on-info: #fff;
    --text-on-success: #fff;
    --text-on-error: #fff;
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --font-size-xs: 0.75rem;
    /* 12px */
    --font-size-sm: 0.875rem;
    /* 14px */
    --font-size-md: 1rem;
    /* 16px */
    --font-size-lg: 1.125rem;
    /* 18px */
    --font-size-xl: 1.25rem;
    /* 20px */
    --font-size-2xl: 1.5rem;
    /* 24px */
    --line-height: 1.5;
    /* Spacing scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 28px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    /* Radii */
    --radius-1: 6px;
    --radius-2: 10px;
    --radius-3: 14px;
    --radius-pill: 9999px;
    /* Elevation */
    --shadow-0: 0 0 0 rgba(0, 0, 0, 0);
    --shadow-1: 0 4px 14px rgba(0, 0, 0, 0.06);
    --shadow-2: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-3: 0 12px 32px rgba(0, 0, 0, 0.1);
    /* Z-index */
    --z-nav: 1020;
    --z-sidebar: 1010;
    --z-bottom-bar: 1015;
    --z-dropdown: 1050;
    --z-toast: 1060;
    /* Layout */
    --container-max: 1280px;
    --sidebar-collapsed: 72px;
    --sidebar-expanded: 248px;
    /* Breakpoints */
    --bp-sm: 576px;
    --bp-md: 768px;
    --bp-lg: 992px;
    --bp-xl: 1200px;
    /* Background gradients */
    --bg-gradient: linear-gradient(180deg, #e8ecf1 0%, #f9f9fa 100%)
    }
/* Bootstrap 5 variable mapping (theme override) */
:root {
    --bs-primary: var(--color-primary);
    --bs-secondary: var(--color-secondary);
    --bs-success: var(--color-success);
    --bs-info: var(--color-info);
    --bs-warning: var(--color-warning);
    --bs-danger: var(--color-error);
    --bs-body-bg: var(--surface-bg);
    --bs-body-color: var(--text);
    --bs-border-color: var(--border-color);
    --bs-link-color: var(--color-info);
    --bs-link-hover-color: var(--info-600);
    --bs-border-radius: var(--radius-1);
    --bs-border-radius-lg: var(--radius-2);
    --bs-border-radius-sm: 4px
    }
/* === DARK MODE VARIABLES === */
.dark-mode {
  --surface-bg: #181a1b;
  --surface-muted: #202225;
  --surface-0: #222326;
  --surface-1: #24262a;
  --text-strong: #fafbfb;
  --text: #e0e3e7;
  --text-muted: #889097;
  --border-color: #25262b;
  --divider-color: #393b44;
  --primary-soft: #21364f;
  --secondary-soft: #392639;
  --success-soft: #1d3e29;
  --error-soft: #351f27;
  --warning-soft: #392f15;
  --info-soft: #16334a;
}

body.dark-mode {
  background: linear-gradient(135deg, #302047 0%, #142850 100%);
  color: var(--text);
}

.main-panel,
.app-card,
.card,
.page-header,
.sidebar,
.nav-top {
  background: var(--surface-0);
  color: var(--text);
}

/* 2) Base Resets & Typography */
*, *::before, *::after {
    box-sizing: border-box
    }
html {
    font-size: 100%
    }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    line-height: var(--line-height);
    color: var(--text);
    background: var(--bg-gradient), var(--surface-bg);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale
    }
img, svg {
    max-width: 100%;
    height: auto;
    display: block
    }
img {
    image-rendering: auto
    }
h1, h2, h3, h4, h5, h6 {
    color: var(--text-strong);
    margin: 0 0 var(--space-3) 0;
    line-height: 1.25
    }
h1 {
    font-size: 2rem
    }
h2 {
    font-size: 1.5rem
    }
h3 {
    font-size: 1.25rem
    }
h4 {
    font-size: 1.125rem
    }
h5 {
    font-size: 1rem
    }
h6 {
    font-size: 0.875rem
    }
p {
    margin: 0 0 var(--space-4) 0;
    color: var(--text)
    }
small, .text-xs {
    font-size: var(--font-size-sm);
    color: var(--text-muted)
    }
/* Links */
a {
    color: var(--color-info);
    text-decoration: none
    }
a:hover {
    color: var(--info-600);
    text-decoration: underline
    }
/* 3) Accessibility Helpers */
:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: 4px
    }
.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0
    }
/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important
        }
    }
/* 4) Layout: Top Nav, Sidebar, Main Panel, Bottom Info Bar */
.nav-top {
    position: sticky;
    top: 0;
    z-index: var(--z-nav);
    width: 100%;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--divider-color)
    }
.nav-top .brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4)
    }
.nav-top .brand-logo {
    width: 32px;
    height: 32px;
    background-image: url(https://data-smith.ai/wp-content/uploads/2025/01/logo_transparent_background.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center
    }
.nav-top .brand-name {
    font-weight: 700;
    color: var(--text-strong)
    }
.nav-top .nav {
    display: flex;
    align-items: center;
    gap: var(--space-1)
    }
.nav-top .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    color: var(--text);
    border-radius: var(--radius-1);
    transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease
    }
.nav-top .nav-link:hover {
    background: var(--neutral-soft)
    }
.nav-top .nav-link.active {
    color: var(--text-strong)
    }
/* Sidebar */
.sidebar {
    position: sticky;
    top: 0;
    z-index: var(--z-sidebar);
    height: 100vh;
    width: var(--sidebar-collapsed);
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: saturate(160%) blur(10px);
    -webkit-backdrop-filter: saturate(160%) blur(10px);
    border-right: 1px solid var(--divider-color);
    overflow: hidden;
    transition: width 0.25s ease
    }
.sidebar:hover {
    width: var(--sidebar-expanded)
    }
.sidebar .menu {
    list-style: none;
    margin: 0;
    padding: var(--space-3) 0
    }
.sidebar .menu-item {
    display: block
    }
.sidebar .menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--text);
    border-left: 3px solid transparent;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    white-space: nowrap
    }
.sidebar .menu-link:hover {
    background: var(--neutral-soft)
    }
.sidebar .menu-link.active {
    border-left-color: var(--color-primary)
    }
.sidebar .icon {
    width: 20px;
    min-width: 20px;
    text-align: center;
    color: var(--text-muted)
    }
.sidebar .label {
    opacity: 0;
    transform: translatex(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease
    }
.sidebar:hover .label {
    opacity: 1;
    transform: translatex(0)
    }
/* Main Panel */
.main-panel {
    min-height: 100vh;
    padding: var(--space-4)
    }
@media (min-width: 992px) {
    .main-panel {
        padding: var(--space-6)
        }
    }
/* Card Grid Layout */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4)
    }
/* Bottom Info Bar */
.bottom-bar {
    position: sticky;
    bottom: 0;
    z-index: var(--z-bottom-bar);
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(160%) blur(10px);
    -webkit-backdrop-filter: saturate(160%) blur(10px);
    border-top: 1px solid var(--divider-color);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: var(--space-3)
    }
/* 5) Cards / Widgets */
.app-card, .card {
    background: var(--surface-0);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2);
    box-shadow: var(--shadow-1);
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease
    }
.app-card:hover, .card:hover {
    box-shadow: var(--shadow-2)
    }
.card-header, .widget-header, .card-header .title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 12px 16px;
    background: var(--surface-muted);
    border-bottom: 1px solid var(--border-color)
    }
.card-body {
    padding: 16px
    }
.card-footer {
    padding: 12px 16px;
    background: var(--surface-muted);
    border-top: 1px solid var(--border-color)
    }
.widget-title, .metric-title, .widget-header .title {
    font-weight: 600;
    color: var(--text-strong)
    }
/* 6) Buttons */
.btn {
    border-radius: var(--radius-1);
    font-weight: 600;
    letter-spacing: 0.2px;
    transition: transform 0.05s ease, background-color 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease
    }
.btn:active {
    transform: translatey(1px)
    }
.btn:focus-visible {
    box-shadow: var(--focus-ring)
    }
.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-on-primary)
    }
.btn-primary:hover {
    background-color: var(--primary-600);
    border-color: var(--primary-600)
    }
.btn-primary:active {
    background-color: var(--primary-700);
    border-color: var(--primary-700)
    }
.btn-secondary {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--text-on-secondary)
    }
.btn-secondary:hover {
    background-color: var(--secondary-600);
    border-color: var(--secondary-600)
    }
.btn-secondary:active {
    background-color: var(--secondary-700);
    border-color: var(--secondary-700)
    }
.btn-info {
    background-color: var(--color-info);
    border-color: var(--color-info);
    color: var(--text-on-info)
    }
.btn-info:hover {
    background-color: var(--info-600);
    border-color: var(--info-600)
    }
.btn-info:active {
    background-color: var(--info-700);
    border-color: var(--info-700)
    }
.btn-success {
    background-color: var(--color-success);
    border-color: var(--color-success);
    color: var(--text-on-success)
    }
.btn-success:hover {
    background-color: var(--success-600);
    border-color: var(--success-600)
    }
.btn-success:active {
    background-color: var(--success-700);
    border-color: var(--success-700)
    }
.btn-warning {
    background-color: var(--color-warning);
    border-color: var(--color-warning);
    color: var(--text-on-warning)
    }
.btn-warning:hover {
    background-color: var(--warning-600);
    border-color: var(--warning-600)
    }
.btn-warning:active {
    background-color: var(--warning-700);
    border-color: var(--warning-700)
    }
.btn-danger, .btn-error {
    background-color: var(--color-error);
    border-color: var(--color-error);
    color: var(--text-on-error)
    }
.btn-danger:hover, .btn-error:hover {
    background-color: var(--error-600);
    border-color: var(--error-600)
    }
.btn-danger:active, .btn-error:active {
    background-color: var(--error-700);
    border-color: var(--error-700)
    }
.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: transparent
    }
.btn-light {
    background: var(--surface-muted);
    border-color: var(--border-color);
    color: var(--text)
    }
.btn-light:hover {
    background: #eef2f6
    }
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-1)
    }
/* 7) Forms & Inputs */
.form-label, .setting-label, .section-label {
    font-weight: 600;
    color: var(--text-strong)
    }
.form-control, .form-select, .form-control:focus, .form-select:focus {
    background-color: var(--surface-0);
    color: var(--text)
    }
.form-control, .form-select, .form-check-input {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-1);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease
    }
.form-control:focus, .form-select:focus {
    box-shadow: var(--focus-ring)
    }
.form-text {
    color: var(--text-muted)
    }
.input-group-text {
    background: var(--surface-muted);
    border-color: var(--border-color);
    color: var(--text-muted)
    }
/* Checkbox/Radio accent-color for modern browsers */
input[type="checkbox"], input[type="radio"] {
    accent-color: var(--color-primary)
    }
/* Switch */
.form-switch .form-check-input {
    width: 2.5em;
    height: 1.25em;
    border-radius: var(--radius-pill);
    background-color: #cfd6de;
    border: none
    }
.form-switch .form-check-input:focus {
    box-shadow: var(--focus-ring)
    }
/* Validation */
.is-invalid {
    border-color: var(--color-error) !important
    }
.is-valid {
    border-color: var(--color-success) !important
    }
.invalid-feedback, .error-text {
    color: var(--color-error)
    }
/* Search Input */
.search-bar, .search-input-field, .email-input, .password-input-field, .email-text-field {
    background: var(--surface-0);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-1);
    padding: 10px 12px
    }
/* Textareas */
textarea.form-control {
    min-height: 120px;
    resize: vertical
    }
/* 8) Navigation Components */
.breadcrumb {
    --fade: 24px;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    color: var(--text-muted);
    -webkit-mask-image: linear-gradient(to right, transparent 0, black var(--fade), black calc(100% - var(--fade)), transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, black var(--fade), black calc(100% - var(--fade)), transparent 100%)
    }
.breadcrumb .breadcrumb-item a {
    color: var(--text)
    }
.breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-muted)
    }
.nav-tabs .nav-link {
    color: var(--text);
    border: none;
    border-bottom: 2px solid transparent
    }
.nav-tabs .nav-link:hover {
    background: transparent
    }
.nav-tabs .nav-link.active {
    color: var(--text-strong);
    border-color: var(--color-primary)
    }
.pagination .page-link {
    color: var(--text);
    border-color: var(--border-color)
    }
.pagination .page-link:hover {
    background: var(--neutral-soft)
    }
.pagination .active .page-link {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-on-primary)
    }
/* 9) Tables */
.table-theme {
    width: 100%;
    border-collapse: collapse
    }
.table-theme th, .table-theme td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color)
    }
.table-theme thead th {
    background: var(--surface-muted);
    color: var(--text-strong);
    font-weight: 700;
    position: sticky;
    top: 0;
    z-index: 1
    }
.table-theme tbody tr:hover {
    background: rgba(0, 0, 0, 0.02)
    }
/* 10) Status, Badges, Chips */
.badge-soft {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: var(--font-size-sm)
    }
.badge-soft.primary {
    background: var(--primary-soft);
    color: var(--text-strong)
    }
.badge-soft.secondary {
    background: var(--secondary-soft);
    color: #6c1746
    }
.badge-soft.info {
    background: var(--info-soft);
    color: #005b7a
    }
.badge-soft.success {
    background: var(--success-soft);
    color: #0d5c3d
    }
.badge-soft.warning {
    background: var(--warning-soft);
    color: #5a3f00
    }
.badge-soft.error {
    background: var(--error-soft);
    color: #7a0f12
    }
.tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: var(--radius-pill);
    background: var(--neutral-soft);
    color: var(--text);
    font-weight: 500
    }
.tag .remove {
    margin-left: 8px;
    opacity: 0.7;
    cursor: pointer
    }
.tag .remove:hover {
    opacity: 1
    }
.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--neutral-soft)
    }
.status-dot.success {
    background: var(--color-success)
    }
.status-dot.warning {
    background: var(--color-warning)
    }
.status-dot.error {
    background: var(--color-error)
    }
.status-dot.info {
    background: var(--color-info)
    }
/* Alarm/Anomaly Highlight */
.alarm, .anomaly {
    background: var(--warning-soft) !important;
    border-color: var(--color-warning) !important;
    animation: bounceSoft 1.2s ease-in-out infinite
    }
.alarm-strong {
    border-color: var(--color-error) !important;
    animation: bounceSoft 1s ease-in-out infinite
    }
/* 11) Alerts & Toasts */
.alert {
    border-radius: var(--radius-1)
    }
.alert-info {
    background: var(--info-soft);
    color: #004b62
    }
.alert-success {
    background: var(--success-soft);
    color: #0d5c3d
    }
.alert-warning {
    background: var(--warning-soft);
    color: #5a3f00
    }
.alert-danger {
    background: var(--error-soft);
    color: #7a0f12
    }
.toast {
    border-radius: var(--radius-1);
    box-shadow: var(--shadow-2);
    border: 1px solid var(--border-color)
    }
/* 12) Animations */
@keyframes bounceSoft {
    0%, 100% {
        transform: translateY(0);
        } 50% {
        transform: translateY(-3px);
        }
    }
@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(var(--primary-rgb), 0.35);
        } 50% {
        box-shadow: 0 0 0 6px rgba(var(--primary-rgb), 0.0);
        }
    }
@keyframes shimmer {
    0% {
        background-position: -468px 0;
        } 100% {
        background-position: 468px 0;
        }
    }
/* Loading / Skeleton */
.skeleton {
    display: inline-block;
    width: 100%;
    height: 1em;
    border-radius: 8px;
    background-image: linear-gradient(90deg, #f0f3f7 0, #e6ebf1 40px, #f0f3f7 80px);
    background-size: 600px 100%;
    animation: shimmer 1.25s linear infinite
    }
/* 13) Hover Reveal Interactions */
.reveal-on-hover .reveal-target {
    opacity: 0;
    transform: translatey(-2px);
    transition: opacity 0.15s ease, transform 0.15s ease
    }
.reveal-on-hover:hover .reveal-target {
    opacity: 1;
    transform: translatey(0)
    }
/* 14) Utilities: Layout, Spacing, Color, Elevation */
.container-max {
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto
    }
.grid {
    display: grid;
    gap: var(--space-4)
    }
.grid.auto-fit-sm {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr))
    }
.grid.auto-fit-md {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr))
    }
.grid.auto-fit-lg {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr))
    }
.flex {
    display: flex
    }
.flex-col {
    display: flex;
    flex-direction: column
    }
.items-center {
    align-items: center
    }
.items-start {
    align-items: flex-start
    }
.items-end {
    align-items: flex-end
    }
.justify-center {
    justify-content: center
    }
.justify-between {
    justify-content: space-between
    }
.wrap {
    flex-wrap: wrap
    }
.gap-1 {
    gap: var(--space-1)
    }
.gap-2 {
    gap: var(--space-2)
    }
.gap-3 {
    gap: var(--space-3)
    }
.gap-4 {
    gap: var(--space-4)
    }
.p-0 {
    padding: 0
    }
.p-2 {
    padding: var(--space-2)
    }
.p-3 {
    padding: var(--space-3)
    }
.p-4 {
    padding: var(--space-4)
    }
.p-6 {
    padding: var(--space-6)
    }
.pt-4 {
    padding-top: var(--space-4)
    }
.pb-4 {
    padding-bottom: var(--space-4)
    }
.mt-2 {
    margin-top: var(--space-2)
    }
.mt-4 {
    margin-top: var(--space-4)
    }
.mb-2 {
    margin-bottom: var(--space-2)
    }
.mb-3 {
    margin-bottom: var(--space-3)
    }
.mb-4 {
    margin-bottom: var(--space-4)
    }
.mx-auto {
    margin-left: auto;
    margin-right: auto
    }
.rounded {
    border-radius: var(--radius-1)
    }
.rounded-lg {
    border-radius: var(--radius-2)
    }
.rounded-xl {
    border-radius: var(--radius-3)
    }
.rounded-full {
    border-radius: var(--radius-pill)
    }
.shadow-0 {
    box-shadow: var(--shadow-0)
    }
.shadow-1 {
    box-shadow: var(--shadow-1)
    }
.shadow-2 {
    box-shadow: var(--shadow-2)
    }
.shadow-3 {
    box-shadow: var(--shadow-3)
    }
.text-muted {
    color: var(--text-muted) !important
    }
.text-strong {
    color: var(--text-strong) !important
    }
.text-primary {
    color: var(--color-primary) !important
    }
.text-secondary {
    color: var(--color-secondary) !important
    }
.text-success {
    color: var(--color-success) !important
    }
.text-info {
    color: var(--color-info) !important
    }
.text-warning {
    color: var(--color-warning) !important
    }
.text-error, .text-danger {
    color: var(--color-error) !important
    }
.bg-surface {
    background: var(--surface-0) !important
    }
.bg-muted {
    background: var(--surface-muted) !important
    }
.bg-primary-soft {
    background: var(--primary-soft) !important
    }
.bg-warning-soft {
    background: var(--warning-soft) !important
    }
.bg-info-soft {
    background: var(--info-soft) !important
    }
.bg-success-soft {
    background: var(--success-soft) !important
    }
.bg-error-soft {
    background: var(--error-soft) !important
    }
.border {
    border: 1px solid var(--border-color) !important
    }
.border-top {
    border-top: 1px solid var(--border-color) !important
    }
.border-bottom {
    border-bottom: 1px solid var(--border-color) !important
    }
.border-primary {
    border-color: var(--color-primary) !important
    }
.border-muted {
    border-color: var(--border-color) !important
    }
.sticky {
    position: sticky;
    top: 0
    }
/* 15) View Switcher (table/grid/tile) */
.view-switcher {
    display: inline-flex;
    padding: 4px;
    background: var(--surface-muted);
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-color)
    }
.view-switcher .option {
    padding: 6px 10px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    color: var(--text-muted)
    }
.view-switcher .option.active {
    background: var(--surface-0);
    color: var(--text-strong);
    box-shadow: var(--shadow-1)
    }
/* Body classes to persist view preference */
.view-grid .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr))
    }
.view-table .card-grid {
    grid-template-columns: 1fr
    }
.view-tiles .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr))
    }
/* 16) Page Header */
.page-header, .settings-header, .report-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-4)
    }
.page-title, .title-text, .widget-title, .key-metrics-header, .settings-header .title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-strong)
    }
/* 17) Avatars & User Elements */
.avatar, .user-avatar, .peer-profile-picture, .profile-picture {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06)
    }
.avatar.sm {
    width: 28px;
    height: 28px
    }
.avatar.lg {
    width: 56px;
    height: 56px
    }
.user-name, .user-name-display, .peer-name {
    font-weight: 700;
    color: var(--text-strong)
    }
.user-info-summary, .user-info-display, .academic-details, .university-and-major-display {
    color: var(--text)
    }
/* 18) Messaging Components */
.message-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 0
    }
.message-bubble {
    max-width: 72%;
    padding: 10px 12px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--surface-0);
    color: var(--text);
    box-shadow: var(--shadow-0)
    }
.message-row {
    display: flex;
    gap: 8px;
    align-items: flex-end
    }
.message-row.outgoing {
    justify-content: flex-end
    }
.message-row.outgoing .message-bubble {
    background: var(--primary-soft);
    color: var(--text-strong)
    }
.message-row.incoming .message-bubble {
    background: var(--surface-0)
    }
.message-text {
    white-space: pre-wrap;
    word-wrap: break-word
    }
.message-metadata, .timestamp, .last-message-snippet {
    font-size: var(--font-size-sm);
    color: var(--text-muted)
    }
.message-input-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-top: 1px solid var(--border-color);
    background: var(--surface-muted)
    }
.message-text-input, .message-input {
    flex: 1
    }
.send-button, .send-icon {
    color: var(--color-primary)
    }
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    background: var(--surface-muted)
    }
/* 19) Search & Results */
.search-form {
    display: flex;
    gap: 8px;
    align-items: center
    }
.search-results, .conversation-list, .connections-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3)
    }
@media (min-width: 768px) {
    .search-results, .conversation-list, .connections-list {
        grid-template-columns: repeat(2, 1fr)
        }
    }
@media (min-width: 1200px) {
    .search-results, .conversation-list, .connections-list {
        grid-template-columns: repeat(3, 1fr)
        }
    }
.user-result-card, .user-profile-card, .conversation-list-item, .user-connection-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2);
    background: var(--surface-0);
    padding: var(--space-3);
    box-shadow: var(--shadow-1)
    }
/* 20) Profiles & Settings */
.profile-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-color)
    }
.profile-details {
    display: grid;
    gap: var(--space-2)
    }
.profile-edit-form, .account-settings-form, .privacy-settings-form {
    display: grid;
    gap: var(--space-3)
    }
.save-changes-button, .update-profile-button, .update-email-button, .update-password-button {
    min-width: 160px
    }
.visibility-selector, .profile-visibility-control {
    display: inline-flex;
    gap: 8px;
    align-items: center
    }
/* 21) Moderation / Admin Panels */
.admin-navigation-sidebar {
    /* inherits sidebar look when used */
    }
.queue-table-header, .report-page-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-2)
    }
.queue-filter-controls {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap
    }
.report-queue-table, .queue-table {
    width: 100%;
    border-collapse: collapse
    }
.report-queue-table th, .report-queue-table td, .queue-table th, .queue-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color)
    }
.reported-user-row:hover {
    background: rgba(0, 0, 0, 0.02)
    }
.moderation-actions-form, .submit-action-footer {
    display: flex;
    gap: 8px;
    align-items: center
    }
/* 22) Notifications & Badges */
.unread-count-badge {
    background: var(--color-error);
    color: var(--text-on-error);
    border-radius: var(--radius-pill);
    padding: 2px 6px;
    font-weight: 700;
    font-size: var(--font-size-sm)
    }
.connection-actions {
    display: inline-flex;
    gap: 8px
    }
/* 23) Headers & Sections */
.section-header, .courses-header, .goals-header, .interests-header, .settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    margin-bottom: var(--space-2)
    }
.interests-section, .courses-section, .collaboration-goals-section, .academic-information-section, .personal-details-section {
    display: grid;
    gap: var(--space-3)
    }
/* 24) Interest & Course Tags */
.interest-tag-list, .course-tag-list, .top-interests-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px
    }
.interests-input, .courses-input, .university-input, .major-input {
    min-width: 220px
    }
/* 25) Navigation Controls */
.navigation-controls, .form-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2)
    }
.back-button, .cancel-button {
    color: var(--text);
    background: var(--surface-muted);
    border: 1px solid var(--border-color)
    }
.back-button:hover, .cancel-button:hover {
    background: #eef2f6
    }
/* 26) Icons & Menus */
.menu-trigger, .options-menu {
    color: var(--text)
    }
.dropdown-menu {
    border-radius: var(--radius-1);
    border-color: var(--border-color);
    box-shadow: var(--shadow-2)
    }
.dropdown-item:hover {
    background: var(--neutral-soft)
    }
/* 27) Info/Metric Cards */
.metric-card, .total-users-card, .monthly-active-users-card, .open-reports-card {
    display: grid;
    gap: 8px;
    padding: var(--space-4);
    border-radius: var(--radius-2);
    border: 1px solid var(--border-color);
    background: var(--surface-0);
    box-shadow: var(--shadow-1)
    }
.metric-title {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em
    }
.metric-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-strong)
    }
.highlight-info {
    color: var(--color-info)
    }
/* 28) Empty/Loading/Error States */
.empty-state, .empty-state-message, .error-state, .loading-state {
    display: grid;
    place-items: center;
    text-align: center;
    gap: var(--space-3);
    padding: var(--space-6);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-2);
    background: var(--surface-0)
    }
.empty-state-text, .redirect-text {
    color: var(--text-muted)
    }
.retry-button {
    min-width: 140px
    }
/* 29) Tooltips */
.tooltip {
    --bs-tooltip-bg: rgba(20, 25, 35, 0.95);
    --bs-tooltip-color: #fff;
    font-weight: 500
    }
/* 30) Breadcrumb fade transition on navigation change */
.breadcrumb a, .breadcrumb span {
    transition: color 0.2s ease, opacity 0.2s ease
    }
/* 31) Responsive Adjustments */
@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        height: 100%;
        left: 0;
        top: 0;
        transform: translatex(-100%);
        transition: transform 0.25s ease
        }
    .sidebar.open {
        transform: translatex(0)
        }
    .main-panel {
        padding: var(--space-3)
        }
    }
@media (max-width: 575.98px) {
    .nav-top .brand-name {
        display: none
        }
    .card-grid {
        grid-template-columns: 1fr
        }
    .message-bubble {
        max-width: 86%
        }
    }
/* 32) Login / Auth Shell */
.login-form-container {
    max-width: 420px;
    margin: 0 auto;
    padding: var(--space-6);
    background: var(--surface-0);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2);
    box-shadow: var(--shadow-1)
    }
.sign-up-form, .profile-creation-form, .sign-up-form, .account-settings-form {
    display: grid;
    gap: var(--space-3)
    }
/* 33) Toggle Visibility Icon */
.toggle-visibility-icon {
    cursor: pointer;
    color: var(--text-muted)
    }
.toggle-visibility-icon:hover {
    color: var(--text)
    }
/* 34) Notification Preferences Switches */
.notification-settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0
    }
/* 35) Connection Request Buttons */
.accept-button {
    background: var(--color-success);
    color: var(--text-on-success);
    border-color: var(--color-success)
    }
.accept-button:hover {
    background: var(--success-600);
    border-color: var(--success-600)
    }
.decline-button {
    background: var(--color-error);
    color: var(--text-on-error);
    border-color: var(--color-error)
    }
.decline-button:hover {
    background: var(--error-600);
    border-color: var(--error-600)
    }
/* 36) Breadcrumbs, Tabs glow on active */
.nav-top .nav-link.active {
    animation: pulseGlow 2.4s ease-in-out infinite
    }
/* 37) Tooltip-on-hover reveals for charts/tables */
.table-hover-reveal tr td .hover-control {
    opacity: 0;
    transition: opacity 0.2s ease
    }
.table-hover-reveal tr:hover td .hover-control {
    opacity: 1
    }
/* 38) Badges for Shared Courses */
.shared-courses-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: var(--info-soft);
    color: #005b7a;
    border-radius: var(--radius-pill);
    font-weight: 600
    }
/* 39) Breadcrumb, Navigation Links */
.navigation-links, .auxiliary-links {
    display: flex;
    align-items: center;
    gap: 8px
    }
/* 40) Forms: Submit footers */
.submit-button, .submit-report-button, .submit-decision-button {
    min-width: 160px
    }
.submit-action-footer {
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-color)
    }
/* 41) Tabs / Navigator */
.tab-navigator {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color)
    }
.tab-navigator .tab {
    padding: 10px 12px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--text)
    }
.tab-navigator .tab:hover {
    background: var(--neutral-soft)
    }
.tab-navigator .tab.active {
    border-bottom-color: var(--color-primary);
    color: var(--text-strong)
    }
/* 42) Bottom bar logs/status - monospace */
.bottom-bar .log-line {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--text-muted)
    }
/* 43) Progress & Loaders */
.progress {
    height: 8px;
    border-radius: var(--radius-pill);
    background: var(--neutral-soft)
    }
.progress-bar {
    background: var(--color-primary)
    }
/* 44) Breadcrumb fade transitions between pages */
.fade-enter {
    opacity: 0
    }
.fade-enter-active {
    opacity: 1;
    transition: opacity 0.2s ease
    }
.fade-exit {
    opacity: 1
    }
.fade-exit-active {
    opacity: 0;
    transition: opacity 0.2s ease
    }
/* 45) Print Styles (minimal) */
@media print {
    .sidebar, .nav-top, .bottom-bar {
        display: none !important
        }
    body {
        background: #fff !important
        }
    .app-card, .card {
        box-shadow: none !important;
        border-color: #000 !important
        }
    }

/* "Healthy" badge */
#headerHealthBadge,
.status-dot.health-healthy,
.badge-soft.success {
  background: linear-gradient(90deg, #ff68da 0%, #3b82f6 100%);
  color: #fff !important;
  font-weight: bold;
  border-radius: 18px;
  box-shadow: 0 1px 6px rgba(59, 130, 246, 0.15);
}

/* Button improvements */
.btn-primary {
  background: linear-gradient(90deg, #406edb 0%, #9a296a 100%);
  color: #fff;
  border: none;
  box-shadow: 0 2px 8px rgba(59,130,246,0.18);
  font-weight: 700;
}
.btn-primary:focus, .btn-primary:hover {
  background: linear-gradient(90deg, #9a296a 0%, #406edb 100%);
}

.btn {
  border-radius: 8px;
}

.btn-primary,
body.dark-mode .btn-primary {
  background: linear-gradient(90deg, #2393e3 0%, #9329f7 100%);
  color: #fff !important;
  border: none;
  box-shadow: 0 2px 8px rgba(59,130,246,0.18);
  font-weight: 700;
  transition: background 0.2s, color 0.2s;
  opacity: 1 !important;
}

.btn-primary:disabled {
  background: #34344a;
  color: #c6c6d3;
  opacity: 0.6;
}

body.dark-mode .card,
body.dark-mode .app-card,
body.dark-mode .card-body,
body.dark-mode .table-responsive,
body.dark-mode .accordion-item,
body.dark-mode .accordion-body {
  background: var(--surface-0) !important;
  color: var(--text) !important;
  border-color: var(--border-color) !important;
}

body.dark-mode .table,
body.dark-mode table {
  background: var(--surface-0) !important;
  color: var(--text) !important;
}

.nav-extra-controls {
  margin-left: auto;
}
#themeToggleBtn {
  border-radius: 25px;
  font-size: 1.3rem;
  box-shadow: 0 1px 6px rgba(0,0,0,0.05);
  background: var(--color-secondary);
  color: #fff;
  transition: background 0.18s;
}
#themeToggleBtn:hover {
  background: var(--color-primary);
}

/* === Enhance visibility of summary pill in dark mode === */
body.dark-mode .summary-pill,
body.dark-mode .badge-summary,
body.dark-mode [data-summary-display] {
  background: linear-gradient(90deg, #2393e3 0%, #9329f7 100%);
  color: #fff !important;
  font-weight: bold;
  border-radius: 18px;
  border: none;
  box-shadow: 0 1px 6px rgba(59, 130, 246, 0.18);
  opacity: 1;
}

/* Optional: Disabled state */
body.dark-mode .summary-pill[disabled],
body.dark-mode .badge-summary[disabled],
body.dark-mode [data-summary-display][disabled] {
  background: #34344a;
  color: #c6c6d3;
  opacity: 0.7;
}