/* ============================================================
   MOD Explorer — Shared Stylesheet
   FirmoGraphs Market Opportunity Development Dashboard
   v1.0 — 2026-04-01
   ============================================================
   Covers: index.html (Explorer) + service.html (Service Detail)
   Palette: Custom slate/steel-blue with water-blue accent
   Default: Dark mode (data-theme="dark")
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS — Custom Properties
   ============================================================ */

/* Google Fonts import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Type Scale ─────────────────────────────────────────── */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem); /* 12–14px */
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);     /* 14–16px */
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);  /* 16–18px */
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);    /* 18–24px */
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);   /* 24–36px */
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);    /* 32–56px */
}

/* ── Spacing (4px base unit) ────────────────────────────── */
:root {
  --space-1:  0.25rem;  /*  4px */
  --space-2:  0.5rem;   /*  8px */
  --space-3:  0.75rem;  /* 12px */
  --space-4:  1rem;     /* 16px */
  --space-5:  1.25rem;  /* 20px */
  --space-6:  1.5rem;   /* 24px */
  --space-8:  2rem;     /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
}

/* ── Radius ─────────────────────────────────────────────── */
:root {
  --radius-sm:   0.25rem;   /*  4px */
  --radius-md:   0.375rem;  /*  6px */
  --radius-lg:   0.5rem;    /*  8px */
  --radius-xl:   0.75rem;   /* 12px */
  --radius-full: 9999px;
}

/* ── Transitions ────────────────────────────────────────── */
:root {
  --transition-fast:        120ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow:        280ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Layout ─────────────────────────────────────────────── */
:root {
  --sidebar-width:    260px;
  --header-height:    52px;
  --content-narrow:   640px;
  --content-default:  960px;
  --content-wide:     1200px;
}

/* ── Font Families ──────────────────────────────────────── */
:root {
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

/* ── Color Tokens — LIGHT MODE ──────────────────────────── */
:root,
[data-theme="light"] {
  /* Surfaces */
  --color-bg:              #f1f5f9;
  --color-surface:         #ffffff;
  --color-surface-2:       #f8fafc;
  --color-surface-offset:  #e2e8f0;
  --color-border:          #e2e8f0;
  --color-divider:         #cbd5e1;

  /* Text */
  --color-text:            #0f172a;
  --color-text-muted:      #64748b;
  --color-text-faint:      #94a3b8;
  --color-text-inverse:    #f8fafc;

  /* Primary / Brand */
  --color-primary:         #3b82f6;
  --color-primary-hover:   #2563eb;
  --color-primary-active:  #1d4ed8;
  --color-primary-subtle:  #eff6ff;

  /* Water accent (SAM / infrastructure) */
  --color-water:           #0369a1;
  --color-water-hover:     #0284c7;
  --color-water-subtle:    #e0f2fe;
  --color-water-text:      #0c4a6e;

  /* Success / Green */
  --color-success:         #16a34a;
  --color-success-hover:   #15803d;
  --color-success-subtle:  #f0fdf4;
  --color-success-text:    #14532d;

  /* Warning / Amber */
  --color-amber:           #d97706;
  --color-amber-hover:     #b45309;
  --color-amber-subtle:    #fffbeb;
  --color-amber-text:      #78350f;

  /* Danger / Red */
  --color-danger:          #dc2626;
  --color-danger-hover:    #b91c1c;
  --color-danger-subtle:   #fef2f2;
  --color-danger-text:     #7f1d1d;

  /* Neutral badge */
  --color-neutral:         #64748b;
  --color-neutral-subtle:  #f1f5f9;
  --color-neutral-text:    #334155;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgb(15 23 42 / 0.06);
  --shadow-md: 0 4px 12px rgb(15 23 42 / 0.08);
  --shadow-lg: 0 12px 32px rgb(15 23 42 / 0.12);

  /* Sidebar/header: always dark (overridden specifically on .sidebar, .header) */
  --color-chrome-bg:       #0f172a;
  --color-chrome-surface:  #1e293b;
  --color-chrome-border:   #334155;
  --color-chrome-text:     #e2e8f0;
  --color-chrome-muted:    #94a3b8;
  --color-chrome-faint:    #475569;

  /* Zebra rows */
  --color-row-even:        #f8fafc;
  --color-row-odd:         #ffffff;
  --color-row-hover:       #eff6ff;

  /* Scrollbar */
  --scrollbar-track:       #e2e8f0;
  --scrollbar-thumb:       #94a3b8;
  --scrollbar-thumb-hover: #64748b;
}

/* ── Color Tokens — DARK MODE (DEFAULT) ─────────────────── */
[data-theme="dark"] {
  /* Surfaces */
  --color-bg:              #0f172a;
  --color-surface:         #1e293b;
  --color-surface-2:       #263348;
  --color-surface-offset:  #334155;
  --color-border:          #334155;
  --color-divider:         #2d3f55;

  /* Text */
  --color-text:            #e2e8f0;
  --color-text-muted:      #94a3b8;
  --color-text-faint:      #64748b;
  --color-text-inverse:    #0f172a;

  /* Primary / Brand */
  --color-primary:         #60a5fa;
  --color-primary-hover:   #93c5fd;
  --color-primary-active:  #bfdbfe;
  --color-primary-subtle:  #1e3a5f;

  /* Water accent */
  --color-water:           #38bdf8;
  --color-water-hover:     #7dd3fc;
  --color-water-subtle:    #0c2a3f;
  --color-water-text:      #7dd3fc;

  /* Success / Green */
  --color-success:         #4ade80;
  --color-success-hover:   #86efac;
  --color-success-subtle:  #052e16;
  --color-success-text:    #86efac;

  /* Warning / Amber */
  --color-amber:           #fbbf24;
  --color-amber-hover:     #fcd34d;
  --color-amber-subtle:    #2d1a00;
  --color-amber-text:      #fcd34d;

  /* Danger / Red */
  --color-danger:          #f87171;
  --color-danger-hover:    #fca5a5;
  --color-danger-subtle:   #2d0a0a;
  --color-danger-text:     #fca5a5;

  /* Neutral badge */
  --color-neutral:         #64748b;
  --color-neutral-subtle:  #1e293b;
  --color-neutral-text:    #94a3b8;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.25);
  --shadow-md: 0 4px 12px rgb(0 0 0 / 0.35);
  --shadow-lg: 0 12px 32px rgb(0 0 0 / 0.45);

  /* Sidebar/header: always dark (same in both themes) */
  --color-chrome-bg:       #0f172a;
  --color-chrome-surface:  #1e293b;
  --color-chrome-border:   #334155;
  --color-chrome-text:     #e2e8f0;
  --color-chrome-muted:    #94a3b8;
  --color-chrome-faint:    #475569;

  /* Zebra rows */
  --color-row-even:        #1a2740;
  --color-row-odd:         #1e293b;
  --color-row-hover:       #1e3a5f;

  /* Scrollbar */
  --scrollbar-track:       #1e293b;
  --scrollbar-thumb:       #475569;
  --scrollbar-thumb-hover: #64748b;
}

/* ── System preference fallback ─────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #0f172a;
    --color-surface:         #1e293b;
    --color-surface-2:       #263348;
    --color-surface-offset:  #334155;
    --color-border:          #334155;
    --color-divider:         #2d3f55;
    --color-text:            #e2e8f0;
    --color-text-muted:      #94a3b8;
    --color-text-faint:      #64748b;
    --color-text-inverse:    #0f172a;
    --color-primary:         #60a5fa;
    --color-primary-hover:   #93c5fd;
    --color-primary-active:  #bfdbfe;
    --color-primary-subtle:  #1e3a5f;
    --color-water:           #38bdf8;
    --color-water-hover:     #7dd3fc;
    --color-water-subtle:    #0c2a3f;
    --color-water-text:      #7dd3fc;
    --color-success:         #4ade80;
    --color-success-hover:   #86efac;
    --color-success-subtle:  #052e16;
    --color-success-text:    #86efac;
    --color-amber:           #fbbf24;
    --color-amber-hover:     #fcd34d;
    --color-amber-subtle:    #2d1a00;
    --color-amber-text:      #fcd34d;
    --color-danger:          #f87171;
    --color-danger-hover:    #fca5a5;
    --color-danger-subtle:   #2d0a0a;
    --color-danger-text:     #fca5a5;
    --color-neutral:         #64748b;
    --color-neutral-subtle:  #1e293b;
    --color-neutral-text:    #94a3b8;
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.25);
    --shadow-md: 0 4px 12px rgb(0 0 0 / 0.35);
    --shadow-lg: 0 12px 32px rgb(0 0 0 / 0.45);
    --color-chrome-bg:       #0f172a;
    --color-chrome-surface:  #1e293b;
    --color-chrome-border:   #334155;
    --color-chrome-text:     #e2e8f0;
    --color-chrome-muted:    #94a3b8;
    --color-chrome-faint:    #475569;
    --color-row-even:        #1a2740;
    --color-row-odd:         #1e293b;
    --color-row-hover:       #1e3a5f;
    --scrollbar-track:       #1e293b;
    --scrollbar-thumb:       #475569;
    --scrollbar-thumb-hover: #64748b;
  }
}


/* ============================================================
   2. BASE CSS RESET
   ============================================================ */

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

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive),
              color var(--transition-interactive);
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.2;
  font-family: var(--font-display);
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: color-mix(in srgb, var(--color-primary) 25%, transparent);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-md);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

a, button, [role="button"], [role="link"], input, textarea, select {
  transition: color var(--transition-interactive),
              background var(--transition-interactive),
              border-color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              opacity var(--transition-interactive);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }


/* ============================================================
   3. APP SHELL LAYOUT
   ============================================================ */

/* ── Root wrapper ───────────────────────────────────────── */
.app-shell {
  display: grid;
  grid-template-areas:
    "header header"
    "sidebar main";
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: var(--header-height) 1fr;
  min-height: 100dvh;
}

/* ── Header ─────────────────────────────────────────────── */
.header {
  grid-area: header;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0 var(--space-4);

  /* Always dark */
  background-color: var(--color-chrome-bg);
  border-bottom: 1px solid var(--color-chrome-border);
  color: var(--color-chrome-text);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  text-decoration: none;
  color: var(--color-chrome-text);
}

.header__logo-icon {
  width: 28px;
  height: 28px;
  color: var(--color-water);
  flex-shrink: 0;
}

.header__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-chrome-text);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.header__title strong {
  color: var(--color-water);
}

.header__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-chrome-muted);
  min-width: 0;
  flex: 1;
}

.header__breadcrumb-sep {
  color: var(--color-chrome-faint);
  flex-shrink: 0;
}

.header__breadcrumb a {
  color: var(--color-chrome-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.header__breadcrumb a:hover {
  color: var(--color-chrome-text);
}

.header__breadcrumb-current {
  color: var(--color-chrome-text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header__spacer {
  flex: 1;
}

.header__controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Theme toggle button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-lg);
  color: var(--color-chrome-muted);
  background: transparent;
  border: 1px solid transparent;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-chrome-surface);
  border-color: var(--color-chrome-border);
  color: var(--color-chrome-text);
}

/* Mobile menu toggle (sidebar) */
.sidebar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-lg);
  color: var(--color-chrome-muted);
  background: transparent;
  border: 1px solid transparent;
  flex-shrink: 0;
}

.sidebar-toggle:hover {
  background: var(--color-chrome-surface);
  color: var(--color-chrome-text);
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  grid-area: sidebar;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100dvh - var(--header-height));
  z-index: 50;
  display: flex;
  flex-direction: column;
  overflow: hidden;

  /* Always dark */
  background-color: var(--color-chrome-surface);
  border-right: 1px solid var(--color-chrome-border);
  color: var(--color-chrome-text);
}

.sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-chrome-border);
  flex-shrink: 0;
}

.sidebar__title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-chrome-muted);
}

.sidebar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar__clear-btn {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-water);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
  display: none; /* shown via JS when filters active */
}

.sidebar__clear-btn:hover {
  background: var(--color-water-subtle);
  color: var(--color-water-text);
}

.sidebar__clear-btn.is-visible {
  display: inline-flex;
}

/* Active filter count badge in sidebar header */
.sidebar__filter-count {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 var(--space-1);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  background: var(--color-primary);
  color: var(--color-chrome-bg);
  line-height: 1;
}

.sidebar__filter-count.is-visible {
  display: inline-flex;
}

.sidebar__content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2) 0;
}

/* Mobile overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgb(0 0 0 / 0.6);
  backdrop-filter: blur(2px);
}

/* ── Main content area ──────────────────────────────────── */
.main {
  position: fixed;
  top: var(--header-height);
  left: var(--sidebar-width);
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive);
}

.content {
  flex: 1;
  padding: var(--space-6);
  max-width: 100%;
  overflow-x: hidden;
}

/* ── Toolbar (search + SAM toggle row) ──────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-4) var(--space-6);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive);
}

.toolbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  min-width: 0;
}

.toolbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.toolbar__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.toolbar__result-count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}


/* ============================================================
   4. FILTER GROUPS (Sidebar)
   ============================================================ */

.filter-group {
  border-bottom: 1px solid var(--color-chrome-border);
}

.filter-group:last-child {
  border-bottom: none;
}

/* Collapsible header */
.filter-group__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-chrome-text);
  text-align: left;
  transition: background var(--transition-fast);
}

.filter-group__header:hover {
  background: color-mix(in srgb, white 4%, transparent);
}

.filter-group__chevron {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  color: var(--color-chrome-faint);
  transform: rotate(0deg);
  transition: transform var(--transition-interactive);
}

.filter-group.is-open .filter-group__chevron {
  transform: rotate(90deg);
}

.filter-group__name {
  flex: 1;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-chrome-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Selected count badge on filter group */
.filter-group__count {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 600;
  padding: 1px var(--space-1);
  border-radius: var(--radius-full);
  background: var(--color-chrome-faint);
  color: var(--color-chrome-bg);
  min-width: 18px;
  text-align: center;
  line-height: 1.4;
}

.filter-group__count--active {
  background: var(--color-primary);
  color: var(--color-chrome-bg);
}

/* Collapsible body */
.filter-group__body {
  display: none;
  padding: 0 var(--space-2) var(--space-2);
  flex-direction: column;
  gap: var(--space-1);
}

.filter-group.is-open .filter-group__body {
  display: flex;
}

/* Inline search within filter group */
.filter-group__search {
  position: relative;
  margin-bottom: var(--space-1);
}

.filter-group__search-input {
  width: 100%;
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-8);
  font-size: var(--text-xs);
  background: var(--color-chrome-bg);
  border: 1px solid var(--color-chrome-border);
  border-radius: var(--radius-md);
  color: var(--color-chrome-text);
  outline: none;
  transition: border-color var(--transition-fast);
}

.filter-group__search-input::placeholder {
  color: var(--color-chrome-faint);
}

.filter-group__search-input:focus {
  border-color: var(--color-primary);
}

.filter-group__search-icon {
  position: absolute;
  left: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  color: var(--color-chrome-faint);
  pointer-events: none;
}

/* Filter option list */
.filter-group__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 220px;
  overflow-y: auto;
  padding-right: var(--space-1);
}

.filter-group__option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.filter-group__option:hover {
  background: color-mix(in srgb, white 6%, transparent);
}

.filter-group__option input[type="checkbox"] {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.filter-group__option-label {
  flex: 1;
  font-size: var(--text-xs);
  color: var(--color-chrome-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.filter-group__option input:checked + .filter-group__option-label {
  color: var(--color-chrome-text);
  font-weight: 500;
}

.filter-group__option-tally {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--color-chrome-faint);
  font-variant-numeric: tabular-nums;
}

/* Cascading filter: unavailable options (zero matching services) */
.filter-group__option--unavailable {
  display: none;
}


/* ============================================================
   5. SEARCH INPUT
   ============================================================ */

.search-input {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input__icon {
  position: absolute;
  left: var(--space-3);
  width: 15px;
  height: 15px;
  color: var(--color-text-muted);
  pointer-events: none;
  flex-shrink: 0;
}

.search-input__field {
  width: 240px;
  padding: var(--space-2) var(--space-3) var(--space-2) calc(var(--space-3) + 15px + var(--space-2));
  font-size: var(--text-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background var(--transition-interactive);
}

.search-input__field::placeholder {
  color: var(--color-text-faint);
}

.search-input__field:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.search-input__clear {
  position: absolute;
  right: var(--space-2);
  width: 18px;
  height: 18px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.search-input__clear:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.search-input--has-value .search-input__clear {
  display: inline-flex;
}


/* ============================================================
   6. SAM TOGGLE (Button Group)
   ============================================================ */

.sam-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
  padding: 2px;
  gap: 1px;
  border: 1px solid var(--color-border);
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive);
}

.sam-toggle__btn {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.sam-toggle__btn:hover:not(.is-active) {
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-surface) 50%, transparent);
}

.sam-toggle__btn.is-active {
  background: var(--color-surface);
  color: var(--color-water);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}


/* ============================================================
   7. KPI CARDS
   ============================================================ */

.kpi-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

@media (max-width: 1200px) {
  .kpi-bar { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .kpi-bar { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .kpi-bar { grid-template-columns: 1fr; }
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
  position: relative;
  overflow: hidden;
}

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

/* Water-blue accent variant */
.kpi-card--accent {
  border-left: 3px solid var(--color-water);
}

.kpi-card--accent .kpi-card__value {
  color: var(--color-water);
}

.kpi-card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  line-height: 1.2;
}

.kpi-card__value {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.kpi-card__sub {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: auto;
}

/* Optional decorative icon background */
.kpi-card__icon-bg {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xl);
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-faint);
  opacity: 0.6;
}


/* ============================================================
   8. DATA TABLES
   ============================================================ */

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  background: var(--color-surface);
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

/* Sticky header */
.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table thead th {
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  white-space: nowrap;
  user-select: none;
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive);
}

/* Right-aligned numeric columns */
.data-table th.col-num,
.data-table td.col-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Sortable header */
.data-table th[data-sort] {
  cursor: pointer;
}

.data-table th[data-sort]:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* Sort indicator */
.sort-indicator {
  display: inline-flex;
  flex-direction: column;
  vertical-align: middle;
  margin-left: var(--space-1);
  gap: 1px;
  opacity: 0.4;
}

.sort-indicator__arrow {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
}

.sort-indicator__arrow--up {
  border-bottom: 5px solid currentColor;
}

.sort-indicator__arrow--down {
  border-top: 5px solid currentColor;
}

th[data-sort="asc"] .sort-indicator {
  opacity: 1;
  color: var(--color-primary);
}

th[data-sort="asc"] .sort-indicator__arrow--down { opacity: 0.25; }

th[data-sort="desc"] .sort-indicator {
  opacity: 1;
  color: var(--color-primary);
}

th[data-sort="desc"] .sort-indicator__arrow--up { opacity: 0.25; }

/* Table body */
.data-table tbody tr {
  transition: background var(--transition-fast);
}

/* Zebra striping */
.data-table tbody tr:nth-child(odd) {
  background: var(--color-row-odd);
}

.data-table tbody tr:nth-child(even) {
  background: var(--color-row-even);
}

.data-table tbody tr:hover {
  background: var(--color-row-hover);
}

.data-table tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
  line-height: 1.4;
  transition: border-color var(--transition-interactive);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* Number cells */
.data-table td.col-num {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* Water-accented number cells (SAM 3 count) */
.data-table td.col-num--water {
  color: var(--color-water);
  font-weight: 600;
}

/* Links in table */
.data-table a {
  color: var(--color-water);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.data-table a:hover {
  color: var(--color-water-hover);
  text-decoration: underline;
}

/* Truncated text cell */
.cell-truncate {
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cell-truncate--wide {
  max-width: 240px;
}

/* Muted / empty cell */
.cell-muted {
  color: var(--color-text-faint);
  font-style: italic;
}

/* ID / code cell */
.cell-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Expandable text (truncated with expand link) */
.cell-expandable {
  position: relative;
}

.cell-expandable__text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cell-expandable__text.is-expanded {
  display: block;
  -webkit-line-clamp: unset;
}

.cell-expandable__toggle {
  font-size: var(--text-xs);
  color: var(--color-primary);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  display: inline;
}

/* Pipeline description sub-row (project summary beneath pipeline row) */
.pipeline-desc-row td {
  padding: 0 var(--space-4) var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-offset);
}

.pipeline-desc {
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 900px;
}

/* Empty table state */
.table-empty {
  padding: var(--space-12) var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.table-empty__icon {
  width: 36px;
  height: 36px;
  margin: 0 auto var(--space-3);
  color: var(--color-text-faint);
}


/* ============================================================
   9. BADGES / PILLS
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* ── SAM Score badges ────────────────────────────────────── */
.badge--sam-3 {
  background: var(--color-success-subtle);
  color: var(--color-success-text);
  border: 1px solid color-mix(in srgb, var(--color-success) 30%, transparent);
}

[data-theme="dark"] .badge--sam-3 {
  color: var(--color-success);
}

.badge--sam-2 {
  background: var(--color-amber-subtle);
  color: var(--color-amber-text);
  border: 1px solid color-mix(in srgb, var(--color-amber) 30%, transparent);
}

[data-theme="dark"] .badge--sam-2 {
  color: var(--color-amber);
}

.badge--sam-1 {
  background: var(--color-neutral-subtle);
  color: var(--color-neutral-text);
  border: 1px solid color-mix(in srgb, var(--color-neutral) 25%, transparent);
}

[data-theme="dark"] .badge--sam-1 {
  color: var(--color-neutral);
}

.badge--sam-nan {
  background: transparent;
  color: var(--color-text-faint);
  border: 1px solid var(--color-border);
  font-style: italic;
}

/* ── Opportunity Type badges ─────────────────────────────── */
.badge--prime {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
}

[data-theme="dark"] .badge--prime {
  color: var(--color-primary);
}

.badge--sub {
  background: var(--color-neutral-subtle);
  color: var(--color-neutral-text);
  border: 1px solid color-mix(in srgb, var(--color-neutral) 25%, transparent);
}

[data-theme="dark"] .badge--sub {
  color: var(--color-neutral);
}

.badge--both {
  background: var(--color-amber-subtle);
  color: var(--color-amber-text);
  border: 1px solid color-mix(in srgb, var(--color-amber) 30%, transparent);
}

[data-theme="dark"] .badge--both {
  color: var(--color-amber);
}

/* ── Service Level badges ────────────────────────────────── */
.badge--level-1 {
  background: var(--color-success-subtle);
  color: var(--color-success-text);
  border: 1px solid color-mix(in srgb, var(--color-success) 30%, transparent);
}

[data-theme="dark"] .badge--level-1 {
  color: var(--color-success);
}

.badge--level-2 {
  background: var(--color-amber-subtle);
  color: var(--color-amber-text);
  border: 1px solid color-mix(in srgb, var(--color-amber) 30%, transparent);
}

[data-theme="dark"] .badge--level-2 {
  color: var(--color-amber);
}

.badge--level-3 {
  background: var(--color-neutral-subtle);
  color: var(--color-neutral-text);
  border: 1px solid color-mix(in srgb, var(--color-neutral) 25%, transparent);
}

[data-theme="dark"] .badge--level-3 {
  color: var(--color-neutral);
}

/* ── Contact Level badges ────────────────────────────────── */
.badge--executive {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
}

.badge--manager {
  background: var(--color-amber-subtle);
  color: var(--color-amber-text);
  border: 1px solid color-mix(in srgb, var(--color-amber) 30%, transparent);
}

[data-theme="dark"] .badge--manager {
  color: var(--color-amber);
}

.badge--worker {
  background: var(--color-neutral-subtle);
  color: var(--color-neutral-text);
  border: 1px solid color-mix(in srgb, var(--color-neutral) 25%, transparent);
}

[data-theme="dark"] .badge--worker {
  color: var(--color-neutral);
}

/* ── Water badge (generic) ───────────────────────────────── */
.badge--water {
  background: var(--color-water-subtle);
  color: var(--color-water);
  border: 1px solid color-mix(in srgb, var(--color-water) 30%, transparent);
}

/* ── Danger / warning badges ─────────────────────────────── */
.badge--danger {
  background: var(--color-danger-subtle);
  color: var(--color-danger);
  border: 1px solid color-mix(in srgb, var(--color-danger) 30%, transparent);
}


/* ============================================================
   10. COLLAPSIBLE SECTIONS (Service Detail)
   ============================================================ */

.section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-4);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive);
}

.section__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.section__header:hover {
  background: var(--color-surface-2);
}

.section__chevron {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transform: rotate(0deg);
  transition: transform var(--transition-interactive);
}

.section.is-open .section__chevron {
  transform: rotate(90deg);
}

.section__title {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
}

/* Count badge next to section title */
.section__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 20px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  line-height: 1;
  flex-shrink: 0;
  transition: background var(--transition-interactive);
}

.section__count--water {
  background: var(--color-water-subtle);
  color: var(--color-water);
}

/* Collapsible body */
.section__body {
  display: none;
  border-top: 1px solid var(--color-border);
}

.section.is-open .section__body {
  display: block;
  animation: section-expand var(--transition-slow) ease both;
}

@keyframes section-expand {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ============================================================
   11. IDENTITY CARD (Service Detail)
   ============================================================ */

.identity-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive);
}

.identity-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.2;
  max-width: none;
}

.identity-card__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4) var(--space-6);
}

.identity-card__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.identity-card__key {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.identity-card__value {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
  word-break: break-word;
}

.identity-card__value a {
  color: var(--color-water);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.identity-card__value a:hover {
  color: var(--color-water-hover);
  text-decoration: underline;
}

.identity-card__value--mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}


/* ============================================================
   12. LOADING STATE
   ============================================================ */

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  min-height: 50dvh;
  padding: var(--space-12);
  color: var(--color-text-muted);
}

.loading-state__spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-water);
  border-radius: var(--radius-full);
  animation: spin 0.75s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-state__message {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
}

/* Inline row spinner (table rendering state) */
.loading-inline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.loading-inline__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-water);
  border-radius: var(--radius-full);
  animation: spin 0.75s linear infinite;
  flex-shrink: 0;
}


/* ============================================================
   13. ERROR STATE
   ============================================================ */

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  min-height: 60dvh;
  padding: var(--space-12);
  text-align: center;
}

.error-state__icon {
  width: 48px;
  height: 48px;
  color: var(--color-danger);
  opacity: 0.8;
}

.error-state__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  max-width: none;
}

.error-state__message {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 400px;
}

.error-state__code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  color: var(--color-danger);
  max-width: 500px;
  word-break: break-all;
  text-align: left;
}

.error-state__back {
  color: var(--color-water);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-water);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.error-state__back:hover {
  background: var(--color-water-subtle);
}

/* Load warning (partial data) */
.load-warning {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-amber-subtle);
  border: 1px solid color-mix(in srgb, var(--color-amber) 30%, transparent);
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  color: var(--color-amber-text);
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .load-warning {
  color: var(--color-amber);
}

.load-warning__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}


/* ============================================================
   14. BUTTONS (General)
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

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

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

.btn--outline {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

.btn--outline:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}

.btn--ghost:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.btn--water {
  background: var(--color-water-subtle);
  color: var(--color-water);
  border-color: color-mix(in srgb, var(--color-water) 30%, transparent);
}

.btn--water:hover {
  background: color-mix(in srgb, var(--color-water-subtle) 70%, var(--color-water) 10%);
}

.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn--icon {
  padding: var(--space-2);
  border-radius: var(--radius-lg);
}

/* "View Profile" link button in tables */
.btn-link {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-water);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--color-water) 30%, transparent);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-link:hover {
  background: var(--color-water-subtle);
  color: var(--color-water-hover);
}


/* ============================================================
   15. PAGE-LEVEL LAYOUT — EXPLORER (index.html)
   ============================================================ */

.page-explorer .content {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
}

.page-explorer .toolbar {
  /* Defined above */
}

.page-explorer .kpi-bar {
  padding: var(--space-5) var(--space-6) 0;
  box-sizing: border-box;
  max-width: 100%;
}

.page-explorer .table-section {
  padding: var(--space-5) var(--space-6) var(--space-6);
  flex: 1;
}


/* ============================================================
   16. PAGE-LEVEL LAYOUT — SERVICE DETAIL (service.html)
   ============================================================ */

.page-service .content {
  padding: var(--space-5) var(--space-6);
}

.page-service .kpi-bar {
  grid-template-columns: repeat(6, 1fr);
}

@media (max-width: 1400px) {
  .page-service .kpi-bar { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .page-service .kpi-bar { grid-template-columns: repeat(2, 1fr); }
}

/* Sub-toolbar on service page (SAM toggle + result count) */
.section-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-2);
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive);
}

.section-toolbar__spacer {
  flex: 1;
}


/* ============================================================
   17. NOTEBOOKS SECTION
   ============================================================ */

.notebook-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
}

.notebook-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.notebook-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.notebook-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notebook-card__body {
  flex: 1;
  min-width: 0;
}

.notebook-card__mart {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.notebook-card__notes {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
  max-width: none;
}

.notebook-card__owner {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: nowrap;
  flex-shrink: 0;
}

.notebook-card__link {
  flex-shrink: 0;
}


/* ============================================================
   18. UTILITY CLASSES
   ============================================================ */

/* Display */
.hidden  { display: none !important; }
.visible { display: block !important; }

/* Flex utilities */
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Text utilities */
.text-xs      { font-size: var(--text-xs); }
.text-sm      { font-size: var(--text-sm); }
.text-muted   { color: var(--color-text-muted); }
.text-faint   { color: var(--color-text-faint); }
.text-water   { color: var(--color-water); }
.text-right   { text-align: right; }
.text-mono    { font-family: var(--font-mono); font-size: var(--text-xs); }
.tabular-nums { font-variant-numeric: tabular-nums; }
.font-medium  { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold    { font-weight: 700; }

/* Spacing */
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }

/* Truncation */
.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-4) 0;
}

/* Section page heading */
.page-heading {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.2;
  max-width: none;
}

/* Inline icon sizing */
.icon-sm { width: 14px; height: 14px; }
.icon-md { width: 16px; height: 16px; }
.icon-lg { width: 20px; height: 20px; }


/* ============================================================
   19. TOOLBAR SELECT & PROJECT LINK
   ============================================================ */

/* Toolbar dropdown select (week-year filter) */
.toolbar__select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-chrome);
  color: var(--color-text);
  border: 1px solid var(--color-chrome-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-6) var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  white-space: nowrap;
  line-height: 1.4;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 12px;
  min-width: 120px;
}

.toolbar__select:hover {
  border-color: var(--color-water);
}

.toolbar__select:focus {
  outline: 2px solid var(--color-water);
  outline-offset: 1px;
  border-color: var(--color-water);
}

.toolbar__select option {
  background: var(--color-chrome);
  color: var(--color-text);
}

/* Project name link in tables */
.project-link {
  color: var(--color-water);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.project-link:hover {
  color: var(--color-water-hover);
  text-decoration: underline;
}


/* ============================================================
   20. MOBILE RESPONSIVE
   ============================================================ */

@media (max-width: 767px) {
  /* Shift layout to single column */
  .app-shell {
    grid-template-areas:
      "header header"
      "main main";
    grid-template-columns: 1fr;
  }

  .main {
    left: 0;
  }

  /* Sidebar becomes a drawer */
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    z-index: 60;
  }

  .sidebar.is-open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .sidebar-overlay.is-visible {
    display: block;
  }

  .sidebar-toggle {
    display: inline-flex;
  }

  /* Toolbar wraps */
  .toolbar {
    padding: var(--space-3) var(--space-4);
    gap: var(--space-2);
  }

  .toolbar__left {
    flex-wrap: wrap;
  }

  .search-input__field {
    width: 100%;
  }

  /* Content padding */
  .content {
    padding: var(--space-4);
  }

  .page-explorer .kpi-bar {
    padding: var(--space-4) var(--space-4) 0;
  }

  .page-explorer .table-section {
    padding: var(--space-4);
  }

  .page-service .content {
    padding: var(--space-4);
  }

  /* Identity card */
  .identity-card__grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Tables: horizontal scroll */
  .table-wrap {
    border-radius: var(--radius-lg);
  }

  /* KPI bar */
  .kpi-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .page-service .kpi-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  /* SAM toggle stacks */
  .sam-toggle {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .identity-card__grid {
    grid-template-columns: 1fr;
  }

  .kpi-bar {
    grid-template-columns: 1fr;
  }
}