/*
 * DataHouse design system
 * =======================
 * Single source of truth for brand primitives, semantic aliases and component
 * styling. The separate utilities.css file contains compiled layout utilities
 * only and has no colour palette.
 */

/* --------------------------------------------------------------------------
   1. Primitive tokens — raw values are declared here and nowhere else.
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light;

  --dh-white: #ffffff;
  --dh-black: #000000;

  --dh-emerald-50: #ecfdf5;
  --dh-emerald-100: #d1fae5;
  --dh-emerald-200: #a7f3d0;
  --dh-emerald-300: #6ee7b7;
  --dh-emerald-400: #34d399;
  --dh-emerald-500: #10b981;
  --dh-emerald-600: #059669;
  --dh-emerald-700: #047857;
  --dh-emerald-800: #065f46;
  --dh-emerald-900: #064e3b;
  --dh-emerald-950: #022c22;

  --dh-slate-50: #f8fafc;
  --dh-slate-100: #f1f5f9;
  --dh-slate-200: #e2e8f0;
  --dh-slate-300: #cbd5e1;
  --dh-slate-400: #94a3b8;
  --dh-slate-500: #64748b;
  --dh-slate-600: #475569;
  --dh-slate-700: #334155;
  --dh-slate-800: #1e293b;
  --dh-slate-900: #0f172a;
  --dh-slate-950: #020617;

  /* Neutral grays keep dark mode genuinely black instead of blue/purple. */
  --dh-gray-50: #fafafa;
  --dh-gray-100: #f5f5f5;
  --dh-gray-200: #e5e5e5;
  --dh-gray-300: #d4d4d4;
  --dh-gray-400: #a3a3a3;
  --dh-gray-500: #737373;
  --dh-gray-600: #525252;
  --dh-gray-700: #404040;
  --dh-gray-800: #262626;
  --dh-gray-900: #171717;
  --dh-gray-950: #0a0a0a;

  --dh-amber-50: #fffbeb;
  --dh-amber-100: #fef3c7;
  --dh-amber-200: #fde68a;
  --dh-amber-300: #fcd34d;
  --dh-amber-500: #f59e0b;
  --dh-amber-700: #b45309;
  --dh-amber-800: #92400e;
  --dh-amber-900: #78350f;

  --dh-rose-50: #fff1f2;
  --dh-rose-100: #ffe4e6;
  --dh-rose-200: #fecdd3;
  --dh-rose-300: #fda4af;
  --dh-rose-500: #f43f5e;
  --dh-rose-600: #e11d48;
  --dh-rose-700: #be123c;
  --dh-rose-800: #9f1239;

  --dh-sky-50: #f0f9ff;
  --dh-sky-100: #e0f2fe;
  --dh-sky-200: #bae6fd;
  --dh-sky-300: #7dd3fc;
  --dh-sky-500: #0ea5e9;
  --dh-sky-700: #0369a1;
  --dh-sky-800: #075985;

  /* Colour-blind-safe data visualisation primitives (Okabe-Ito inspired). */
  --dh-viz-blue: #0072b2;
  --dh-viz-orange: #d97706;
  --dh-viz-green: #00845f;
  --dh-viz-magenta: #b5538c;
  --dh-viz-vermilion: #c94c19;
  --dh-viz-cyan: #268fb8;
  --dh-viz-yellow: #a16207;
  --dh-viz-ink: #334155;

  --dh-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --dh-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --dh-space-0: 0;
  --dh-space-1: 0.25rem;
  --dh-space-2: 0.5rem;
  --dh-space-3: 0.75rem;
  --dh-space-4: 1rem;
  --dh-space-5: 1.25rem;
  --dh-space-6: 1.5rem;
  --dh-space-8: 2rem;
  --dh-space-10: 2.5rem;
  --dh-space-12: 3rem;

  --dh-radius-sm: 0.25rem;
  --dh-radius: 0.375rem;
  --dh-radius-lg: 0.5rem;
  --dh-radius-xl: 0.75rem;
  --dh-radius-full: 9999px;

  --dh-shadow-card: 0 1px 2px color-mix(in srgb, var(--dh-slate-950) 5%, transparent), 0 1px 4px color-mix(in srgb, var(--dh-slate-950) 7%, transparent);
  --dh-shadow-pop: 0 18px 40px -14px color-mix(in srgb, var(--dh-slate-950) 30%, transparent), 0 8px 16px -8px color-mix(in srgb, var(--dh-slate-950) 16%, transparent);

  --dh-duration-fast: 120ms;
  --dh-duration-base: 180ms;
  --dh-ease: cubic-bezier(0.2, 0, 0, 1);

  /* ------------------------------------------------------------------------
     2. Semantic tokens — components consume these aliases only.
     ------------------------------------------------------------------------ */
  --dh-bg: var(--dh-gray-50);
  --dh-surface: var(--dh-white);
  --dh-surface-subtle: var(--dh-slate-50);
  --dh-surface-muted: var(--dh-slate-100);
  --dh-surface-raised: var(--dh-white);
  --dh-surface-inverse: var(--dh-slate-900);
  --dh-overlay: color-mix(in srgb, var(--dh-slate-950) 56%, transparent);

  --dh-border: var(--dh-slate-200);
  --dh-border-strong: var(--dh-slate-500);
  --dh-border-inverse: var(--dh-slate-700);

  --dh-text: var(--dh-slate-700);
  --dh-text-strong: var(--dh-slate-900);
  --dh-text-muted: var(--dh-slate-600);
  --dh-text-faint: var(--dh-slate-500);
  --dh-text-inverse: var(--dh-slate-100);
  --dh-text-on-solid: var(--dh-white);

  /* brand-700 is the minimum emerald step permitted for normal text on light. */
  --dh-brand-text: var(--dh-emerald-700);
  --dh-brand-fill: var(--dh-emerald-700);
  --dh-brand-fill-hover: var(--dh-emerald-800);
  --dh-brand-soft: var(--dh-emerald-50);
  --dh-brand-soft-hover: var(--dh-emerald-100);
  --dh-brand-border: var(--dh-emerald-300);
  --dh-focus: var(--dh-emerald-700);

  --dh-success-bg: var(--dh-emerald-50);
  --dh-success-bg-strong: var(--dh-emerald-700);
  --dh-success-fg: var(--dh-emerald-800);
  --dh-success-border: var(--dh-emerald-200);
  --dh-warning-bg: var(--dh-amber-50);
  --dh-warning-bg-strong: var(--dh-amber-700);
  --dh-warning-fg: var(--dh-amber-900);
  --dh-warning-border: var(--dh-amber-200);
  --dh-danger-bg: var(--dh-rose-50);
  --dh-danger-bg-strong: var(--dh-rose-700);
  --dh-danger-bg-strong-hover: var(--dh-rose-800);
  --dh-danger-fg: var(--dh-rose-800);
  --dh-danger-border: var(--dh-rose-200);
  --dh-info-bg: var(--dh-sky-50);
  --dh-info-bg-strong: var(--dh-sky-700);
  --dh-info-fg: var(--dh-sky-800);
  --dh-info-border: var(--dh-sky-200);
  --dh-neutral-bg: var(--dh-slate-100);
  --dh-neutral-fg: var(--dh-slate-700);

  --dh-chart-grid: var(--dh-slate-200);
  --dh-chart-axis: var(--dh-slate-600);
  --dh-chart-tooltip-bg: var(--dh-slate-900);
  --dh-chart-tooltip-fg: var(--dh-white);
  --dh-financial-positive: var(--dh-emerald-800);
  --dh-financial-negative: var(--dh-rose-700);

  /* ------------------------------------------------------------------------
     3. Component tokens — local knobs, still derived from semantics.
     ------------------------------------------------------------------------ */
  --dh-btn-primary-bg: var(--dh-brand-fill);
  --dh-btn-primary-hover: var(--dh-brand-fill-hover);
  --dh-btn-primary-fg: var(--dh-text-on-solid);
  --dh-input-bg: var(--dh-surface);
  --dh-input-border: var(--dh-border-strong);
  --dh-table-head-bg: var(--dh-surface-muted);
  --dh-table-row-hover: var(--dh-brand-soft);
  --dh-table-row-selected: var(--dh-emerald-100);
  --dh-nav-active-bg: var(--dh-brand-soft);
  --dh-nav-active-fg: var(--dh-brand-text);
  --dh-card-bg: var(--dh-surface);
  --dh-card-border: var(--dh-slate-300);
  --dh-card-header-bg: var(--dh-surface-subtle);
  --dh-card-shadow: var(--dh-shadow-card);
}

:root.dark, .theme-dark-preview {
  color-scheme: dark;
  --dh-bg: var(--dh-black);
  --dh-surface: var(--dh-gray-950);
  --dh-surface-subtle: color-mix(in srgb, var(--dh-gray-950) 62%, var(--dh-black));
  --dh-surface-muted: var(--dh-gray-900);
  --dh-surface-raised: var(--dh-gray-800);
  --dh-surface-inverse: var(--dh-gray-100);
  --dh-border: var(--dh-gray-800);
  --dh-border-strong: var(--dh-gray-500);
  --dh-border-inverse: var(--dh-gray-300);
  --dh-text: var(--dh-gray-200);
  --dh-text-strong: var(--dh-gray-50);
  --dh-text-muted: var(--dh-gray-300);
  --dh-text-faint: var(--dh-gray-400);
  --dh-text-inverse: var(--dh-gray-900);
  --dh-overlay: color-mix(in srgb, var(--dh-black) 68%, transparent);
  --dh-brand-text: var(--dh-emerald-300);
  --dh-brand-fill: var(--dh-emerald-700);
  --dh-brand-fill-hover: var(--dh-emerald-600);
  --dh-brand-soft: color-mix(in srgb, var(--dh-emerald-500) 14%, transparent);
  --dh-brand-soft-hover: color-mix(in srgb, var(--dh-emerald-500) 22%, transparent);
  --dh-brand-border: var(--dh-emerald-700);
  --dh-focus: var(--dh-emerald-300);
  --dh-success-bg: color-mix(in srgb, var(--dh-emerald-500) 14%, transparent);
  --dh-success-fg: var(--dh-emerald-300);
  --dh-success-border: color-mix(in srgb, var(--dh-emerald-400) 35%, transparent);
  --dh-warning-bg: color-mix(in srgb, var(--dh-amber-500) 14%, transparent);
  --dh-warning-fg: var(--dh-amber-300);
  --dh-warning-border: color-mix(in srgb, var(--dh-amber-300) 35%, transparent);
  --dh-danger-bg: color-mix(in srgb, var(--dh-rose-500) 14%, transparent);
  --dh-danger-fg: var(--dh-rose-300);
  --dh-danger-border: color-mix(in srgb, var(--dh-rose-300) 35%, transparent);
  --dh-info-bg: color-mix(in srgb, var(--dh-sky-500) 14%, transparent);
  --dh-info-fg: var(--dh-sky-300);
  --dh-info-border: color-mix(in srgb, var(--dh-sky-300) 35%, transparent);
  --dh-neutral-bg: var(--dh-gray-900);
  --dh-neutral-fg: var(--dh-gray-300);
  --dh-chart-grid: var(--dh-gray-700);
  --dh-chart-axis: var(--dh-gray-300);
  --dh-chart-tooltip-bg: var(--dh-gray-100);
  --dh-chart-tooltip-fg: var(--dh-gray-900);
  --dh-financial-positive: var(--dh-emerald-300);
  --dh-financial-negative: var(--dh-rose-300);
  --dh-table-row-selected: color-mix(in srgb, var(--dh-emerald-500) 20%, transparent);
  --dh-card-bg: var(--dh-gray-950);
  --dh-card-border: var(--dh-gray-700);
  --dh-card-header-bg: color-mix(in srgb, var(--dh-gray-950) 62%, var(--dh-black));
  --dh-card-shadow: 0 1px 0 color-mix(in srgb, var(--dh-white) 4%, transparent);
}

/* --------------------------------------------------------------------------
   Base and accessibility
   -------------------------------------------------------------------------- */
html { background: var(--dh-bg); }
.dh {
  min-height: 100vh;
  margin: 0;
  font-family: var(--dh-font-sans);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--dh-text);
  background: var(--dh-bg);
  accent-color: var(--dh-brand-fill);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.dh *, .dh *::before, .dh *::after { box-sizing: border-box; }
.dh h1, .dh h2, .dh h3, .dh h4 { color: var(--dh-text-strong); letter-spacing: -0.02em; }
.dh a { color: var(--dh-brand-text); text-underline-offset: 0.18em; }
.dh a:hover { text-decoration: underline; }
.dh code, .dh pre, .dh .font-mono { font-family: var(--dh-font-mono); }
.dh ::selection { color: var(--dh-text-strong); background: var(--dh-brand-soft-hover); }
.dh :focus-visible {
  outline: 2px solid var(--dh-focus);
  outline-offset: 2px;
  border-radius: var(--dh-radius-sm);
}
.skip-link {
  position: fixed; left: var(--dh-space-4); top: var(--dh-space-4); z-index: 100;
  transform: translateY(-180%); padding: var(--dh-space-2) var(--dh-space-3);
  border-radius: var(--dh-radius); color: var(--dh-text-on-solid) !important;
  background: var(--dh-brand-fill); box-shadow: var(--dh-shadow-pop);
}
.skip-link:focus { transform: translateY(0); }
[x-cloak] { display: none !important; }

/* App shell */
.app-shell { min-height: 100vh; }
.app-topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 40; height: 3.75rem;
  background: color-mix(in srgb, var(--dh-surface) 94%, transparent);
  border-bottom: 1px solid var(--dh-border); backdrop-filter: blur(12px);
}
.topbar-inner {
  width: min(100%, 96rem); height: 100%; margin-inline: auto; padding-inline: var(--dh-space-10);
  display: grid; grid-template-columns: minmax(15rem, 1fr) auto minmax(15rem, 1fr);
  align-items: center; gap: var(--dh-space-4);
}
.topbar-brand { display: flex; align-items: center; gap: var(--dh-space-2); min-width: 0; }
.app-main { min-width: 0; padding-top: 3.75rem; }
.app-content { width: min(100%, 96rem); margin-inline: auto; padding: var(--dh-space-6) var(--dh-space-10); }
.app-footer { padding: var(--dh-space-8) var(--dh-space-6); color: var(--dh-text-faint); font-size: 0.75rem; text-align: center; }
.app-nav { display: flex; align-items: center; justify-content: center; gap: var(--dh-space-1); }
.nav-group { position: relative; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; min-height: 2.25rem;
  padding: var(--dh-space-2) var(--dh-space-3); border-radius: var(--dh-radius);
  color: var(--dh-text-muted) !important; font-size: 0.8125rem; font-weight: 650; white-space: nowrap;
  text-decoration: none !important; transition: color var(--dh-duration-fast) var(--dh-ease), background var(--dh-duration-fast) var(--dh-ease);
}
.nav-link:hover { color: var(--dh-text-strong) !important; background: var(--dh-surface-muted); }
.nav-active { color: var(--dh-nav-active-fg) !important; background: var(--dh-nav-active-bg); }
.nav-active::after { content: ""; position: absolute; right: var(--dh-space-3); bottom: 0.15rem; left: var(--dh-space-3); height: 2px; background: var(--dh-brand-fill); border-radius: var(--dh-radius-full); }
.nav-chevron { margin-left: 0.15rem; color: var(--dh-text-faint); font-size: 0.7rem; transition: transform var(--dh-duration-fast) var(--dh-ease); }
.menu-open .nav-chevron { transform: rotate(180deg); }
.nav-menu {
  position: absolute; top: calc(100% + 0.55rem); left: 0; z-index: 55;
  display: grid; width: 14rem; padding: var(--dh-space-2);
  color: var(--dh-text); background: var(--dh-surface-raised);
  border: 1px solid var(--dh-border-strong); border-radius: var(--dh-radius-lg); box-shadow: var(--dh-shadow-pop);
}
.nav-menu[hidden] { display: none; }
.nav-menu-end { right: 0; left: auto; }
.nav-menu-item {
  display: flex; align-items: center; min-height: 2.5rem; padding: var(--dh-space-2) var(--dh-space-3);
  color: var(--dh-text) !important; border-radius: var(--dh-radius); font-size: 0.8125rem; font-weight: 600; text-decoration: none !important;
}
.nav-menu-item:hover, .nav-menu-item:focus-visible { color: var(--dh-text-strong) !important; background: var(--dh-surface-muted); }
.nav-menu-item[aria-current="page"] { color: var(--dh-nav-active-fg) !important; background: var(--dh-nav-active-bg); box-shadow: inset 2px 0 0 var(--dh-brand-fill); }
.nav-icon, .icon { width: 1.125rem; height: 1.125rem; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.dh-logo { display: inline-flex; align-items: center; gap: var(--dh-space-2); color: var(--dh-text-strong) !important; text-decoration: none !important; }
.dh-logo-mark { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: var(--dh-radius); color: var(--dh-text-on-solid); background: var(--dh-brand-fill); font-size: 0.75rem; font-weight: 800; letter-spacing: -0.03em; }
.dh-logo-word { color: var(--dh-text-strong); font-size: 1rem; font-weight: 750; letter-spacing: -0.025em; }
.dh-logo-tag { color: var(--dh-text-faint); font-size: 0.75rem; }
.topbar-actions { display: flex; align-items: center; justify-content: flex-end; gap: var(--dh-space-2); }
.icon-button { display: inline-grid; place-items: center; width: 2.5rem; height: 2.5rem; padding: 0; border: 1px solid var(--dh-border); border-radius: var(--dh-radius); color: var(--dh-text-muted); background: var(--dh-surface); cursor: pointer; }
.icon-button:hover { color: var(--dh-text-strong); background: var(--dh-surface-muted); }
.mobile-menu-button { display: none; }
.nav-backdrop { display: none; }

/* Panels, section headers and operational stats */
.card { background: var(--dh-card-bg); border: 1px solid var(--dh-card-border); border-radius: var(--dh-radius-lg); box-shadow: var(--dh-card-shadow); }
.card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--dh-space-4); padding: var(--dh-space-4) var(--dh-space-5); background: var(--dh-card-header-bg); border-bottom: 1px solid var(--dh-card-border); border-radius: var(--dh-radius-lg) var(--dh-radius-lg) 0 0; }
.panel, .panel-standard, .panel-compact, .panel-comparison, .panel-danger {
  min-width: 0; color: var(--dh-text); background: var(--dh-surface);
  border: 1px solid var(--dh-card-border); border-radius: var(--dh-radius-lg);
}
.panel, .panel-standard { padding: var(--dh-space-5); }
.panel-compact { padding: var(--dh-space-4); }
.panel-comparison { padding: var(--dh-space-5); border-color: var(--dh-border-strong); }
.panel-danger { padding: var(--dh-space-5); background: var(--dh-danger-bg); border-color: var(--dh-danger-border); }
.panel-header, .section-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--dh-space-4); }
.panel-header { margin: calc(-1 * var(--dh-space-5)); margin-bottom: var(--dh-space-5); padding: var(--dh-space-4) var(--dh-space-5); background: var(--dh-surface-subtle); border-bottom: 1px solid var(--dh-border); border-radius: var(--dh-radius-lg) var(--dh-radius-lg) 0 0; }
.panel-title, .section-title { margin: 0; color: var(--dh-text-strong); font-size: 1.125rem; line-height: 1.35; font-weight: 725; }
.panel-description, .section-description { margin-top: var(--dh-space-1); color: var(--dh-text-muted); font-size: 0.8125rem; }
.page-stack { display: grid; gap: var(--dh-space-6); }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--dh-space-4); margin-bottom: var(--dh-space-6); }
.page-header-main { min-width: 0; }
.page-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: var(--dh-space-2); }
.page-title { margin: 0; font-size: 1.5rem; line-height: 1.25; font-weight: 750; }
.page-description { margin-top: var(--dh-space-1); color: var(--dh-text-muted); }
.page-eyebrow { margin-bottom: var(--dh-space-1); color: var(--dh-text-muted); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.045em; text-transform: uppercase; }
.record-meta, .status-cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--dh-space-2); margin-top: var(--dh-space-2); }
.filter-panel { display: flex; flex-wrap: wrap; align-items: end; gap: var(--dh-space-3); padding: var(--dh-space-4); background: var(--dh-surface); border: 1px solid var(--dh-card-border); border-radius: var(--dh-radius-lg); }
.filter-grow { flex: 1 1 18rem; min-width: min(100%, 14rem); }
.filter-popover { position: absolute; right: 0; top: calc(100% + var(--dh-space-2)); z-index: 30; width: min(40rem, calc(100vw - 2rem)); padding: var(--dh-space-4); background: var(--dh-surface-raised); border: 1px solid var(--dh-border-strong); border-radius: var(--dh-radius-lg); box-shadow: var(--dh-shadow-pop); }
.filter-row { display: grid; grid-template-columns: 8.5rem 8.5rem minmax(10rem, 1fr) auto; align-items: center; gap: var(--dh-space-2); }
.logic-switch { display: inline-flex; overflow: hidden; border: 1px solid var(--dh-border-strong); border-radius: var(--dh-radius); }
.logic-btn { min-height: 2rem; padding: var(--dh-space-1) var(--dh-space-3); color: var(--dh-text-muted); background: var(--dh-surface); border: 0; cursor: pointer; }
.logic-btn + .logic-btn { border-left: 1px solid var(--dh-border-strong); }
.logic-btn.is-active { color: var(--dh-text-on-solid); background: var(--dh-brand-fill); }
.action-bar { position: sticky; bottom: var(--dh-space-3); z-index: 20; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--dh-space-3); padding: var(--dh-space-3) var(--dh-space-4); color: var(--dh-text); background: color-mix(in srgb, var(--dh-surface-raised) 94%, transparent); border: 1px solid var(--dh-border-strong); border-radius: var(--dh-radius-lg); box-shadow: var(--dh-shadow-pop); backdrop-filter: blur(10px); }
.merge-action-bar { position: fixed; right: var(--dh-space-4); bottom: var(--dh-space-4); left: var(--dh-space-4); width: min(calc(100% - 2rem), 94rem); margin-inline: auto; }
/* .action-bar sets display:flex, which otherwise beats the single-class .hidden
   utility (same specificity, source-order dependent) and left the bulk-select
   bar showing at "0 selected". This 2-class rule guarantees hidden wins. */
.action-bar.hidden { display: none; }
/* Merge confirmation popup: Confirm stays disabled until the required
   "I've reviewed these N items" box is ticked (the form is :invalid until then). */
.merge-confirm:invalid button[type="submit"] { opacity: .45; pointer-events: none; cursor: not-allowed; }
/* The popup lists every item one by one, so it can be long: header and the
   review/confirm footer stay put, the list scrolls. (Plain CSS — the compiled
   utilities have no arbitrary max-h/width values for this dialog.) */
#merge-preview, #push-preview { width: min(760px, 94vw); max-height: 88vh; padding: 0; overflow: hidden; }
#merge-preview > form, #push-preview > form { display: flex; flex-direction: column; max-height: 88vh; }
#merge-preview .merge-items, #push-preview .merge-items { flex: 1 1 auto; min-height: 0; overflow-y: auto; }
.drift-modal { width: min(640px, 92vw); max-height: 88vh; overflow-y: auto; }
/* Data menu: Individual / Corporate / Others sit under Customers. */
.nav-menu-item.nav-sub { padding-left: 2rem; font-size: 0.8125rem; }
/* Data menu group label (Accounts): lines up with the items, not a link. */
.nav-menu-heading { display: flex; align-items: center; min-height: 2.5rem; padding: var(--dh-space-2) var(--dh-space-3); color: var(--dh-text-muted); font-size: 0.8125rem; font-weight: 600; }
/* DataView KPI tiles: as many per row as fit, evenly. */
.kpi-grid { display: grid; gap: var(--dh-space-3); grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr)); }
/* Customer/vendor form: type-specific fields are .fldlabel, whose display rule
   would beat the single-class .hidden utility — same fix as .action-bar.hidden. */
[data-for-type].hidden, [data-trn-field].hidden, [data-delivery-fields].hidden, .alert.hidden { display: none; }
.description-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
.description-item { min-width: 0; padding: var(--dh-space-3) 0; border-bottom: 1px solid var(--dh-border); }
.description-item dt { color: var(--dh-text-muted); font-size: 0.75rem; font-weight: 650; }
.description-item dd { margin: var(--dh-space-1) 0 0; color: var(--dh-text-strong); overflow-wrap: anywhere; }
.activity-list { display: grid; }
.activity-item { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--dh-space-3); padding: var(--dh-space-3) 0; border-top: 1px solid var(--dh-border); }
.activity-item:first-child { border-top: 0; }
.stat-tile { padding: var(--dh-space-4); background: var(--dh-card-bg); border: 1px solid var(--dh-card-border); border-radius: var(--dh-radius-lg); box-shadow: var(--dh-card-shadow); }
.stat-label { color: var(--dh-text-muted); font-size: 0.75rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-value { margin-top: var(--dh-space-1); color: var(--dh-text-strong); font-size: 1.5rem; line-height: 1.2; font-weight: 750; font-variant-numeric: tabular-nums; }
.attention-tile { display: grid; align-content: start; gap: var(--dh-space-2); color: var(--dh-text) !important; text-decoration: none !important; transition: border-color var(--dh-duration-fast) var(--dh-ease), background var(--dh-duration-fast) var(--dh-ease); }
.attention-tile:hover { background: var(--dh-surface-muted); border-color: var(--dh-border-strong); }
.attention-tile strong { color: var(--dh-text-strong); font-size: 1.75rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.attention-link { margin-top: var(--dh-space-1); color: var(--dh-brand-text); font-size: 0.8125rem; font-weight: 650; }
.admin-hub-link { display: block; color: var(--dh-text) !important; text-decoration: none !important; transition: border-color var(--dh-duration-fast) var(--dh-ease), background var(--dh-duration-fast) var(--dh-ease); }
.admin-hub-link:hover { background: var(--dh-surface-muted); border-color: var(--dh-border-strong); }
.quality-meter { display: grid; grid-template-columns: minmax(6rem, 1fr) auto; align-items: center; gap: var(--dh-space-3); margin-block: var(--dh-space-2); }
.quality-meter progress { width: 100%; height: 0.5rem; appearance: none; overflow: hidden; border: 0; border-radius: var(--dh-radius-full); background: var(--dh-surface-muted); }
.quality-meter progress::-webkit-progress-bar { background: var(--dh-surface-muted); }
.quality-meter progress::-webkit-progress-value { background: var(--dh-brand-fill); border-radius: var(--dh-radius-full); }
.quality-meter progress::-moz-progress-bar { background: var(--dh-brand-fill); border-radius: var(--dh-radius-full); }
.quality-summary { display: block; padding: var(--dh-space-3) 0; color: var(--dh-text) !important; border-top: 1px solid var(--dh-border); text-decoration: none !important; }
.quality-summary:first-child { border-top: 0; padding-top: 0; }
.quality-summary:last-child { padding-bottom: 0; }
.quality-summary:hover strong { color: var(--dh-brand-text); }
.help-disclosure > summary { display: flex; align-items: center; justify-content: space-between; gap: var(--dh-space-4); cursor: pointer; list-style: none; }
.help-disclosure > summary::-webkit-details-marker { display: none; }
.help-disclosure > summary small { display: block; margin-top: var(--dh-space-1); color: var(--dh-text-muted); font-weight: 400; }
.graph-scroll { max-width: 100%; overflow: auto; overscroll-behavior: contain; }
.graph-scroll .mermaid { min-width: 44rem; }

/* Buttons */
.btn, .btn-primary, .btn-secondary, .btn-danger, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--dh-space-2);
  min-height: 2.5rem; padding: var(--dh-space-2) var(--dh-space-4);
  border: 1px solid transparent; border-radius: var(--dh-radius); font: inherit;
  font-size: 0.875rem; font-weight: 650; line-height: 1.25; text-decoration: none !important;
  cursor: pointer; transition: background var(--dh-duration-fast) var(--dh-ease), border-color var(--dh-duration-fast) var(--dh-ease), color var(--dh-duration-fast) var(--dh-ease), transform var(--dh-duration-fast) var(--dh-ease);
}
.btn-primary { color: var(--dh-btn-primary-fg) !important; background: var(--dh-btn-primary-bg); box-shadow: var(--dh-shadow-card); }
.btn-primary:hover { background: var(--dh-btn-primary-hover); }
.btn-secondary { color: var(--dh-text-strong) !important; background: var(--dh-surface); border-color: var(--dh-border-strong); }
.btn-secondary:hover { background: var(--dh-surface-muted); }
.btn-danger { color: var(--dh-text-on-solid) !important; background: var(--dh-danger-bg-strong); }
.btn-danger:hover { background: var(--dh-danger-bg-strong-hover); }
.btn-ghost { color: var(--dh-text-muted) !important; background: transparent; }
.btn-ghost:hover { color: var(--dh-text-strong) !important; background: var(--dh-surface-muted); }
.btn-sm { min-height: 2rem; padding: var(--dh-space-1) var(--dh-space-3); font-size: 0.75rem; }
.btn:disabled, .btn-primary:disabled, .btn-secondary:disabled, .btn-danger:disabled, .btn-ghost:disabled, [aria-disabled="true"] { opacity: 0.48; cursor: not-allowed; }
.btn-loading { color: transparent !important; position: relative; pointer-events: none; }
.btn-loading::after { content: ""; position: absolute; width: 1rem; height: 1rem; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: dh-spin 0.7s linear infinite; }

/* Form controls. Element-level weight on purpose: it still beats Tailwind's reset in
   utilities.css (`button, input, select, textarea { padding: 0; margin: 0 }`, same
   weight, loaded first) but loses to any utility class on the element (w-24, flex-1,
   mt-0, rounded-none...). The old `.dh input:not(...)` weight beat those classes, so a
   phone row's "Mobile" select took the whole width and squeezed the number to 26px. */
:where(.input, .select, .fld),
button:where(.input, .select, .fld),
:where(.dh) input:where(:not([type="checkbox"]):not([type="radio"]):not([type="button"]):not([type="submit"]):not([type="file"]):not([type="range"]):not([type="color"])),
:where(.dh) select, :where(.dh) textarea {
  width: 100%; min-height: 2.5rem; margin-top: var(--dh-space-1); padding: var(--dh-space-2) var(--dh-space-3);
  border: 1px solid var(--dh-input-border); border-radius: var(--dh-radius);
  color: var(--dh-text-strong); background: var(--dh-input-bg); box-shadow: var(--dh-shadow-card);
  font: inherit; font-size: 0.875rem; transition: border-color var(--dh-duration-fast) var(--dh-ease), box-shadow var(--dh-duration-fast) var(--dh-ease);
}
.dh textarea { min-height: 6rem; resize: vertical; }
.input:focus, .select:focus, .fld:focus,
.dh input:not([type="checkbox"]):not([type="radio"]):focus, .dh select:focus, .dh textarea:focus { outline: 2px solid var(--dh-focus); outline-offset: 1px; border-color: var(--dh-focus); }
.dh ::placeholder { color: var(--dh-text-faint); opacity: 1; }
.dh input:disabled, .dh select:disabled, .dh textarea:disabled, .dh input[readonly], .dh textarea[readonly] { color: var(--dh-text-muted); background: var(--dh-surface-muted); cursor: not-allowed; }
.fld-label, .fldlabel { display: block; color: var(--dh-text-muted); font-size: 0.8rem; font-weight: 600; }
.req::after { content: " *"; color: var(--dh-danger-fg); }
/* A required label wraps its field, so a plain ::after lands under the field. As a
   grid, the text and the marker share row 1 and the field (and any error) span below. */
.fldlabel.req { display: grid; grid-template-columns: max-content 1fr; }
.fldlabel.req::after { grid-row: 1; grid-column: 2; }
.fldlabel.req > * { grid-column: 1 / -1; }
.err, [aria-invalid="true"] { border-color: var(--dh-danger-fg) !important; outline: 2px solid color-mix(in srgb, var(--dh-danger-fg) 45%, transparent) !important; }
.field-error { margin-top: var(--dh-space-1); color: var(--dh-danger-fg); font-size: 0.75rem; }
.form-error { padding: var(--dh-space-3) var(--dh-space-4); color: var(--dh-danger-fg); background: var(--dh-danger-bg); border: 1px solid var(--dh-danger-border); border-radius: var(--dh-radius); }
.dh select.fld, .dh select.select { appearance: none; cursor: pointer; padding-right: 2rem; background-image: linear-gradient(45deg, transparent 50%, var(--dh-text-muted) 50%), linear-gradient(135deg, var(--dh-text-muted) 50%, transparent 50%); background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.dh input[type="checkbox"], .dh input[type="radio"] { width: 1rem; height: 1rem; margin: 0; }

/* Badges and semantic status */
.badge, .badge-success, .badge-warn, .badge-danger, .badge-info, .badge-neutral {
  display: inline-flex; align-items: center; gap: var(--dh-space-1); min-height: 1.375rem;
  padding: 0.125rem var(--dh-space-2); border-radius: var(--dh-radius-full);
  font-size: 0.6875rem; font-weight: 700; line-height: 1.2; letter-spacing: 0.01em;
}
.badge-success, .bg-success { color: var(--dh-success-fg) !important; background: var(--dh-success-bg) !important; }
.badge-warn, .bg-warning { color: var(--dh-warning-fg) !important; background: var(--dh-warning-bg) !important; }
.badge-danger, .bg-danger { color: var(--dh-danger-fg) !important; background: var(--dh-danger-bg) !important; }
.badge-info, .bg-info { color: var(--dh-info-fg) !important; background: var(--dh-info-bg) !important; }
.badge-neutral, .bg-neutral { color: var(--dh-neutral-fg) !important; background: var(--dh-neutral-bg) !important; }
.text-success { color: var(--dh-success-fg) !important; }
.text-warning { color: var(--dh-warning-fg) !important; }
.text-danger { color: var(--dh-danger-fg) !important; }
.text-info { color: var(--dh-info-fg) !important; }
.border-success { border-color: var(--dh-success-border) !important; }
.border-warning { border-color: var(--dh-warning-border) !important; }
.border-danger { border-color: var(--dh-danger-border) !important; }
.border-info { border-color: var(--dh-info-border) !important; }
.bg-brand-solid { color: var(--dh-text-on-solid) !important; background: var(--dh-brand-fill) !important; }
.bg-danger-solid { color: var(--dh-text-on-solid) !important; background: var(--dh-danger-bg-strong) !important; }
.bg-warning-solid { color: var(--dh-text-on-solid) !important; background: var(--dh-warning-bg-strong) !important; }
.hover-brand-strong:hover { background: var(--dh-brand-fill-hover) !important; }
.hover-danger-strong:hover { background: var(--dh-danger-bg-strong-hover) !important; }

/* Table system — compact enough for operational data without a UI toggle. */
.table-wrap, .table-panel { max-width: 100%; overflow: auto; border: 1px solid var(--dh-card-border); border-radius: var(--dh-radius-lg); background: var(--dh-card-bg); box-shadow: var(--dh-card-shadow); }
.table-panel-toolbar { position: sticky; left: 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--dh-space-3); padding: var(--dh-space-3) var(--dh-space-4); background: var(--dh-surface); border-bottom: 1px solid var(--dh-border); }
.dh table { width: 100%; border-collapse: separate; border-spacing: 0; color: var(--dh-text); font-variant-numeric: tabular-nums; }
.dh table thead { color: var(--dh-text-muted); background: var(--dh-table-head-bg); }
.dh table th { position: sticky; top: 0; z-index: 2; padding: 0.7rem 1rem; color: var(--dh-text-muted); background: var(--dh-table-head-bg); font-size: 0.7rem; font-weight: 750; letter-spacing: 0.045em; text-transform: uppercase; white-space: nowrap; }
.dh table td { padding: 0.7rem 1rem; border-top: 1px solid var(--dh-border); vertical-align: middle; }
.dh table tbody tr { background: var(--dh-surface); transition: background var(--dh-duration-fast) var(--dh-ease); }
.dh table tbody tr:hover { background: var(--dh-table-row-hover); }
.dh table tbody tr[aria-selected="true"], .dh table tbody tr.is-selected { background: var(--dh-table-row-selected); }
.dh table th:first-child, .dh table td:first-child { padding-left: 1rem; }
.dh table th:last-child, .dh table td:last-child { padding-right: 1rem; }
.dh table .numeric, .dh table th.text-right, .dh table td.text-right { text-align: right; font-variant-numeric: tabular-nums; }
.identity-link { color: var(--dh-text-strong) !important; font-weight: 650; text-decoration: none !important; }
.identity-link:hover { color: var(--dh-brand-text) !important; text-decoration: underline !important; }
.pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--dh-space-3); color: var(--dh-text-muted); font-size: 0.8125rem; }

/* Alerts, feedback, states and dialogs */
.alert { display: flex; align-items: flex-start; gap: var(--dh-space-3); padding: var(--dh-space-3) var(--dh-space-4); border: 1px solid var(--dh-border); border-radius: var(--dh-radius); }
.alert-success { color: var(--dh-success-fg); background: var(--dh-success-bg); border-color: var(--dh-success-border); }
.alert-warning { color: var(--dh-warning-fg); background: var(--dh-warning-bg); border-color: var(--dh-warning-border); }
.alert-danger { color: var(--dh-danger-fg); background: var(--dh-danger-bg); border-color: var(--dh-danger-border); }
.alert-info { color: var(--dh-info-fg); background: var(--dh-info-bg); border-color: var(--dh-info-border); }
.state-panel { display: grid; justify-items: center; gap: var(--dh-space-2); padding: var(--dh-space-10) var(--dh-space-6); color: var(--dh-text-muted); text-align: center; border: 1px dashed var(--dh-border-strong); border-radius: var(--dh-radius-lg); background: var(--dh-surface-subtle); }
.state-panel h3 { margin: 0; font-size: 1rem; }
.spinner { display: inline-block; width: 1.25rem; height: 1.25rem; border: 2px solid var(--dh-border-strong); border-right-color: var(--dh-brand-fill); border-radius: 50%; animation: dh-spin 0.7s linear infinite; }
.skeleton { position: relative; overflow: hidden; min-height: 0.85rem; border-radius: var(--dh-radius-sm); background: var(--dh-surface-muted); }
.skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--dh-white) 38%, transparent), transparent); animation: dh-shimmer 1.5s infinite; }
.toast-stack { position: fixed; right: var(--dh-space-5); bottom: var(--dh-space-5); z-index: 60; display: grid; gap: var(--dh-space-2); width: min(24rem, calc(100vw - 2rem)); }
.toast { padding: var(--dh-space-3) var(--dh-space-4); color: var(--dh-text); background: var(--dh-surface-raised); border: 1px solid var(--dh-border-strong); border-radius: var(--dh-radius); box-shadow: var(--dh-shadow-pop); }
.dh dialog { width: min(42rem, calc(100vw - 2rem)); padding: 0; color: var(--dh-text); background: var(--dh-surface); border: 1px solid var(--dh-border); border-radius: var(--dh-radius-xl); box-shadow: var(--dh-shadow-pop); }
.dh dialog::backdrop { background: var(--dh-overlay); backdrop-filter: blur(3px); }
.modal-backdrop { background: var(--dh-overlay) !important; backdrop-filter: blur(3px); }
.tabs { display: flex; gap: var(--dh-space-1); border-bottom: 1px solid var(--dh-border); overflow-x: auto; }
.tab { min-height: 2.5rem; padding: var(--dh-space-2) var(--dh-space-3); color: var(--dh-text-muted); border-bottom: 2px solid transparent; font-weight: 650; }
.tab[aria-selected="true"], .tab-active { color: var(--dh-brand-text); border-color: var(--dh-brand-fill); }
.pagination { display: flex; align-items: center; justify-content: space-between; gap: var(--dh-space-3); color: var(--dh-text-muted); font-size: 0.8rem; }
.pagination a { display: inline-flex; min-height: 2rem; align-items: center; padding: var(--dh-space-1) var(--dh-space-3); color: var(--dh-text-strong); border: 1px solid var(--dh-border-strong); border-radius: var(--dh-radius); text-decoration: none; }
.pagination a:hover { background: var(--dh-surface-muted); }

/* Token-backed visual utility layer used by legacy templates during migration. */
.surface-page { background: var(--dh-bg) !important; }
.surface { background: var(--dh-surface) !important; }
.surface-subtle { background: var(--dh-surface-subtle) !important; }
.surface-muted { background: var(--dh-surface-muted) !important; }
.surface-inverse { background: var(--dh-surface-inverse) !important; }
.surface-glass { background: color-mix(in srgb, var(--dh-surface) 88%, transparent) !important; }
.text-strong { color: var(--dh-text-strong) !important; }
.text-body { color: var(--dh-text) !important; }
.text-muted { color: var(--dh-text-muted) !important; }
.text-faint { color: var(--dh-text-faint) !important; }
.text-inverse { color: var(--dh-text-inverse) !important; }
.text-on-solid { color: var(--dh-text-on-solid) !important; }
.text-brand { color: var(--dh-brand-text) !important; }
.border-default { border-color: var(--dh-border) !important; }
.border-strong { border-color: var(--dh-border-strong) !important; }
.divide-default > :not([hidden]) ~ :not([hidden]) { border-color: var(--dh-border) !important; }
.hover-surface:hover { background: var(--dh-surface-muted) !important; }
.hover-brand-soft:hover { background: var(--dh-brand-soft-hover) !important; }
.hover-text-strong:hover { color: var(--dh-text-strong) !important; }
.hover-text-brand:hover { color: var(--dh-brand-text) !important; }
.ring-brand { --tw-ring-color: var(--dh-focus) !important; }
.dh-gradient-brand { background: linear-gradient(135deg, var(--dh-emerald-600), var(--dh-emerald-800)) !important; }
.dh-gradient-inverse { background: linear-gradient(135deg, var(--dh-gray-950), var(--dh-gray-800)) !important; }
.quality-emerald { color: var(--dh-success-fg) !important; background: var(--dh-success-bg) !important; }
.quality-amber { color: var(--dh-warning-fg) !important; background: var(--dh-warning-bg) !important; }
.quality-rose { color: var(--dh-danger-fg) !important; background: var(--dh-danger-bg) !important; }
.quality-slate { color: var(--dh-text-strong) !important; background: var(--dh-neutral-bg) !important; }
.quality-indigo, .quality-sky, .quality-violet { color: var(--dh-info-fg) !important; background: var(--dh-info-bg) !important; }
.quality-bar { color: transparent !important; }
.quality-bar.quality-emerald { background: var(--dh-success-bg-strong) !important; }
.quality-bar.quality-amber { background: var(--dh-warning-bg-strong) !important; }
.quality-bar.quality-rose { background: var(--dh-danger-bg-strong) !important; }
.source-zoho-crm { --dh-source-color: var(--dh-viz-blue); }
.source-zoho-books { --dh-source-color: var(--dh-viz-magenta); }
.source-zoho-inventory { --dh-source-color: var(--dh-viz-cyan); }
.source-zuper { --dh-source-color: var(--dh-viz-orange); }
.source-current-rms { --dh-source-color: var(--dh-viz-vermilion); }
.source-mark { color: var(--dh-text-on-solid); background: var(--dh-source-color, var(--dh-brand-fill)); }
.source-chip { color: var(--dh-text-strong); background: color-mix(in srgb, var(--dh-source-color, var(--dh-brand-fill)) 16%, var(--dh-surface)); }
.dq-selected { background: var(--dh-table-row-selected) !important; }
details.src > summary::-webkit-details-marker, details.src-drawer > summary::-webkit-details-marker, details.sec > summary::-webkit-details-marker { display: none; }
details.src-drawer > summary, details.sec > summary { list-style: none; }
details.src-drawer .drawer-arrow, details.sec > summary .chev { transition: transform var(--dh-duration-base) var(--dh-ease); }
details.src-drawer[open] .drawer-arrow, details.sec[open] > summary .chev { transform: rotate(90deg); }
.subhead { margin-bottom: 0.6rem; color: var(--dh-text-muted); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
/* Sub-sections stacked inside one .card panel: a divider + spacing above each,
   none on the first. Lets several groups share one box instead of separate cards. */
.panel-section { border-top: 1px solid var(--dh-border); padding-top: var(--dh-space-6); margin-top: var(--dh-space-6); }
.panel-section:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
/* A person row on the customer/vendor form: the handle, "Primary" and ✕ take only
   their own width; the fields share the rest (email/phone a little more). */
.cp-row {
  display: grid; align-items: center; gap: var(--dh-space-2);
  grid-template-columns: auto repeat(3, minmax(0, 1fr)) minmax(0, 1.5fr) minmax(0, 1.25fr) auto auto;
}
.cp-row.dragging { opacity: 0.4; }
.cp-row .drag { color: var(--dh-text-faint); cursor: grab; padding-inline: var(--dh-space-1); }
.cp-row .cp-remove { display: inline-grid; place-items: center; width: 2.5rem; height: 2.5rem; }
/* A person on a customer/vendor page: handle | name + primary | actions, then
   designation / email / phone evenly underneath. */
.pl-row { display: grid; align-items: center; gap: var(--dh-space-2) var(--dh-space-3); grid-template-columns: auto repeat(3, minmax(0, 1fr)); }
.pl-row.dragging { opacity: 0.4; }
.pl-row .drag { grid-row: span 2; align-self: start; padding: var(--dh-space-1); color: var(--dh-text-faint); cursor: grab; }
.pl-row .pl-name { grid-column: 2 / 4; display: flex; align-items: center; gap: var(--dh-space-2); min-width: 0; }
.pl-row .pl-actions { display: flex; align-items: center; justify-content: flex-end; gap: var(--dh-space-3); }
.pl-new { display: grid; align-items: center; gap: var(--dh-space-2); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.back-link-wide { display: none; }
/* Record pages (xl+): the page itself doesn't scroll — the three columns do, each
   on its own, filling the screen under the fixed top bar (.app-main pads 3.75rem,
   .app-content pads space-6 above and below). */
@media (min-width: 1280px) {
  /* Columns run to the bottom edge; their scrollbars are hidden (they still scroll). */
  html:has(.record-layout) { overflow: hidden; }
  #main-content:has(.record-layout) { padding-bottom: 0; }
  .record-layout { flex-wrap: nowrap; height: calc(100dvh - 3.75rem - var(--dh-space-6)); }
  .record-layout > aside, .record-layout .col-scroll { height: 100%; }
  .record-layout .col-scroll { overflow-y: auto; overscroll-behavior: contain; scrollbar-width: none; padding-bottom: var(--dh-space-6); }
  .record-layout .col-scroll::-webkit-scrollbar { display: none; }
  /* The back link heads the left column here; on narrow screens it heads the record. */
  .back-link-wide { display: block; }
  .back-link-narrow { display: none; }
  .record-layout .back-link-wide + .card { margin-top: var(--dh-space-2); }
}

/* Custom select enhancement */
.fx-opt, .tt-opt { position: relative; }
.fx-menu, .tt-menu, .cc-menu { color: var(--dh-text); background: var(--dh-surface-raised) !important; border-color: var(--dh-border-strong) !important; box-shadow: var(--dh-shadow-pop); }
.fx-opt:hover, .tt-opt:hover, .cc-opt:hover { background: var(--dh-brand-soft); }
.fx-opt.fx-sel, .tt-opt.tt-sel, .cc-opt.cc-sel { color: var(--dh-text-on-solid) !important; background: var(--dh-brand-fill) !important; }
.fx-opt.fx-sel *, .tt-opt.tt-sel *, .cc-opt.cc-sel * { color: var(--dh-text-on-solid) !important; }
.fx-opt.fx-sel::after, .tt-opt.tt-sel::after { content: "✓"; position: absolute; right: var(--dh-space-3); top: 0.55rem; color: var(--dh-text-on-solid); font-weight: 800; }
.no-scrollbar { scrollbar-width: none; -ms-overflow-style: none; }
.no-scrollbar::-webkit-scrollbar { display: none; }
.truncate-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dh pre.json { padding: var(--dh-space-4); color: var(--dh-slate-200); background: var(--dh-slate-900); border: 1px solid var(--dh-slate-700); border-radius: var(--dh-radius-lg); font-size: 0.75rem; line-height: 1.55; overflow: auto; }
.log-output { max-height: 37.5rem; overflow-y: auto; }

/* Authentication and visual reference */
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(18rem, 0.85fr) minmax(24rem, 1.15fr); background: var(--dh-bg); }
.auth-brand { position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: clamp(2rem, 6vw, 5rem); color: var(--dh-text-inverse); background: var(--dh-surface-inverse); overflow: hidden; }
.auth-brand::after { content: ""; position: absolute; inset: auto 0 0; height: 0.25rem; background: var(--dh-brand-fill); }
.auth-brand .text-on-solid { color: var(--dh-text-inverse) !important; }
.auth-panel { display: grid; place-items: center; padding: var(--dh-space-6); background: var(--dh-surface); }
.auth-card { width: min(100%, 26rem); }
.styleguide-section { margin-bottom: var(--dh-space-10); }
.swatch { min-height: 5rem; padding: var(--dh-space-3); border: 1px solid var(--dh-border); border-radius: var(--dh-radius); font-size: 0.75rem; }
.viz-series-1 { background: var(--dh-viz-blue); }
.viz-series-2 { background: var(--dh-viz-orange); }
.viz-series-3 { background: var(--dh-viz-green); }
.viz-series-4 { background: var(--dh-viz-magenta); }
.viz-series-5 { background: var(--dh-viz-vermilion); }
.viz-series-6 { background: var(--dh-viz-cyan); }

@keyframes dh-spin { to { transform: rotate(360deg); } }
@keyframes dh-shimmer { to { transform: translateX(100%); } }

@media (max-width: 1100px) {
  .topbar-inner { grid-template-columns: 1fr auto; }
  .mobile-menu-button { display: inline-grid; }
  .app-nav {
    position: absolute; inset: 3.75rem 0 auto; z-index: 35;
    display: none; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; gap: var(--dh-space-2);
    padding: var(--dh-space-3) var(--dh-space-4) var(--dh-space-4);
    background: var(--dh-surface); border-bottom: 1px solid var(--dh-border); box-shadow: var(--dh-shadow-pop);
  }
  .nav-open .app-nav { display: grid; }
  .nav-open .nav-backdrop { position: fixed; inset: 3.75rem 0 0; z-index: 30; display: block; padding: 0; border: 0; background: var(--dh-overlay); backdrop-filter: blur(2px); }
  .nav-group { min-width: 0; }
  .nav-link { width: 100%; justify-content: center; border: 1px solid var(--dh-border); background: var(--dh-surface-subtle); }
  .nav-menu { position: static; width: 100%; margin-top: var(--dh-space-1); box-shadow: none; }
  .nav-menu-item { min-height: 2.75rem; }
  .topbar-user { display: none; }
}

@media (max-width: 767px) {
  .topbar-inner { padding-inline: var(--dh-space-6); }
  .app-nav { grid-template-columns: 1fr 1fr; max-height: calc(100dvh - 3.75rem); overflow-y: auto; overscroll-behavior: contain; }
  .app-content { padding: var(--dh-space-4) var(--dh-space-6); }
  .dh-logo-tag { display: none; }
  .page-header, .panel-header, .section-header { flex-direction: column; }
  .page-actions { width: 100%; justify-content: flex-start; }
  .filter-panel > * { width: 100%; }
  .filter-panel .btn, .filter-panel .btn-primary, .filter-panel .btn-secondary { width: 100%; }
  .panel, .panel-standard, .panel-comparison, .panel-danger { padding: var(--dh-space-4); }
  .panel-header { margin: calc(-1 * var(--dh-space-4)); margin-bottom: var(--dh-space-4); padding: var(--dh-space-4); }
  .description-grid { grid-template-columns: 1fr; }
  /* person rows stack: handle beside the names, the other fields full width */
  .cp-row { grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr); }
  .cp-row .drag { grid-row: span 4; align-self: start; padding-top: var(--dh-space-2); }
  .cp-row [name="cp_designation"], .cp-row [name="cp_email"], .cp-row [name="cp_phone"] { grid-column: span 2; }
  .cp-row .cp-primary { grid-column: 2; }
  .cp-row .cp-remove { grid-column: 3; justify-self: end; }
  .pl-row { grid-template-columns: auto minmax(0, 1fr); }
  .pl-row .drag { grid-row: span 5; }
  .pl-row .pl-name { grid-column: 2; }
  .pl-row .pl-actions { justify-content: flex-start; }
  .pl-new { grid-template-columns: 1fr; }
  .pagination { align-items: stretch; }
  .action-bar { bottom: var(--dh-space-2); }
  .filter-popover { position: fixed; top: 4.5rem; right: var(--dh-space-4); left: var(--dh-space-4); width: auto; max-height: calc(100dvh - 5.5rem); overflow-y: auto; }
  .filter-row { grid-template-columns: 1fr; padding-block: var(--dh-space-2); border-top: 1px solid var(--dh-border); }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-brand { display: none; }
  .dh table th, .dh table td { padding-inline: var(--dh-space-3); }
}

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

@media (forced-colors: active) {
  .nav-active, .nav-menu-item[aria-current="page"], .tab-active, .badge-success, .badge-warn, .badge-danger, .badge-info { border: 1px solid currentColor; }
  .quality-bar { forced-color-adjust: none; background: Highlight !important; }
  .dh :focus-visible { outline: 2px solid Highlight; }
}

@media print {
  :root, :root.dark { color-scheme: light; --dh-bg: var(--dh-white); --dh-surface: var(--dh-white); --dh-text: var(--dh-slate-900); --dh-text-strong: var(--dh-black); --dh-border: var(--dh-slate-300); }
  .app-topbar, .app-footer, .btn, button, form, .no-print { display: none !important; }
  .app-main { padding: 0; }
  .app-content { width: 100%; padding: 0; }
  .card, .stat-tile { box-shadow: none; break-inside: avoid; }
  .dh table { font-size: 9pt; }
  .dh a { color: inherit !important; text-decoration: none; }
}

/* "Is this the same person?" — the people we already have, offered under a contact
   row as it is typed into, plus the note naming the one being attached. Both span
   the row so they read as one block under it. */
.cp-row .cp-suggest, .cp-row .cp-picked { grid-column: 1 / -1; }
.cp-suggest { border: 1px solid var(--dh-border); border-radius: var(--dh-radius-lg); overflow: hidden; }
.cp-suggest button { display: block; width: 100%; text-align: left; padding: var(--dh-space-2) var(--dh-space-3); }
.cp-suggest button:hover, .cp-suggest button:focus-visible { background: var(--dh-surface-muted); }

/* A grid of small labelled values (a record's Company block, its addresses). A long
   email or URL has no space to break at, and a grid cell is as wide as its content
   by default — so without this the email ran straight over the Phone beside it. */
.field-grid > * { min-width: 0; overflow-wrap: anywhere; }

/* A hidden profile section must stay hidden: the panel carries its own display
   (grid / flex) from a class, and a class beats the browser's [hidden] rule — so
   Details kept showing under every other tab. */
[data-panel][hidden] { display: none !important; }

/* The profile header: who they are on the left, the primary contact as a side panel
   of the same height on the right. Written out here because this project has no
   Tailwind — an arbitrary grid-cols-[...] class does nothing. */
.profile-header { display: grid; grid-template-columns: minmax(0, 1fr) 20rem; align-items: stretch; }
.profile-header > aside { border-left: 1px solid var(--dh-border); }
@media (max-width: 64rem) {
  .profile-header { grid-template-columns: minmax(0, 1fr); }
  .profile-header > aside { border-left: 0; border-top: 1px solid var(--dh-border); }
}
/* Its labelled values: two even columns, the label sitting close above its value. */
.profile-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
                  gap: var(--dh-space-4) var(--dh-space-10); }
@media (max-width: 40rem) { .profile-fields { grid-template-columns: minmax(0, 1fr); } }
.profile-fields > div { min-width: 0; overflow-wrap: anywhere; }
.profile-fields .lbl { display: block; font-size: 0.75rem; color: var(--dh-text-muted); margin-bottom: 0.15rem; }

/* A header field that runs the full width of the two columns (the systems list). */
.profile-fields > .sm\:col-span-2 { grid-column: 1 / -1; }

/* A menu item that belongs to the one above it (Individual / Corporate under
   Customer mappings): indented, and quieter than its parent. */
.nav-menu-sub {
  padding-left: 1.75rem;
  font-size: 0.8125rem;
  opacity: 0.85;
}