/*
 * GENIUS multi-theme design system
 * Logo palette: confident red + engineered graphite
 * Dark palette: carbon surfaces + high-contrast red
 * AI palette: aurora violet + electric cyan
 */

:root,
html[data-theme="genius"] {
  color-scheme: light;
  --navy: #23272d;
  --blue: #e30613;
  --cyan: #40464d;
  --ink: #20242a;
  --muted: #626b75;
  --line: #d9dde2;
  --paper: #ffffff;
  --wash: #f5f6f8;
  --surface: #ffffff;
  --surface-soft: #f8f9fa;
  --surface-elevated: #ffffff;
  --surface-contrast: #272c32;
  --accent: #e30613;
  --accent-strong: #b9000e;
  --accent-soft: #ffe4e7;
  --accent-rgb: 227, 6, 19;
  --secondary-accent: #40464d;
  --heading: #25292f;
  --text: #20242a;
  --text-muted: #626b75;
  --border: #d9dde2;
  --border-strong: #bcc2c9;
  --sidebar-start: #7d0710;
  --sidebar-end: #252a30;
  --sidebar-text: #ffffff;
  --sidebar-muted: #f2c8cc;
  --sidebar-hover: rgba(255, 255, 255, 0.11);
  --sidebar-active-start: #e30613;
  --sidebar-active-end: #a90510;
  --sidebar-divider: rgba(255, 255, 255, 0.12);
  --level-preschool: #df3f87;
  --level-elementary: #0785c1;
  --level-middle: #7653d5;
  --level-high: #d47400;
  --level-shared: #13856a;
  --hero-start: #2a2f35;
  --hero-end: #e30613;
  --success: #147d4f;
  --warning: #a85f00;
  --danger: #c3111d;
  --focus: rgba(227, 6, 19, 0.22);
  --radius: 18px;
  --radius-small: 12px;
  --shadow: 0 18px 45px rgba(28, 33, 39, 0.11);
  --shadow-soft: 0 8px 24px rgba(28, 33, 39, 0.08);
  --page-art:
    radial-gradient(circle at 92% 5%, rgba(227, 6, 19, 0.08), transparent 31%),
    linear-gradient(180deg, #f8f9fa 0%, #f2f4f6 100%);
  --login-art:
    radial-gradient(circle at 14% 14%, rgba(227, 6, 19, 0.24), transparent 32%),
    radial-gradient(circle at 87% 84%, rgba(255, 255, 255, 0.08), transparent 30%),
    linear-gradient(135deg, #191d22, #30363d 54%, #9e0712);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --navy: #f7f9fc;
  --blue: #ff4d5e;
  --cyan: #9ba7b8;
  --ink: #eef2f7;
  --muted: #aab5c5;
  --line: #2b3545;
  --paper: #121925;
  --wash: #090d14;
  --surface: #121925;
  --surface-soft: #171f2d;
  --surface-elevated: #1b2432;
  --surface-contrast: #070a0f;
  --accent: #ff4052;
  --accent-strong: #ff6473;
  --accent-soft: #3a1720;
  --accent-rgb: 255, 64, 82;
  --secondary-accent: #93a0b3;
  --heading: #ffffff;
  --text: #eef2f7;
  --text-muted: #aab5c5;
  --border: #2b3545;
  --border-strong: #3d495d;
  --sidebar-start: #05070b;
  --sidebar-end: #171019;
  --sidebar-text: #ffffff;
  --sidebar-muted: #9eabbc;
  --sidebar-hover: rgba(255, 64, 82, 0.12);
  --sidebar-active-start: #5a1720;
  --sidebar-active-end: #2a1117;
  --sidebar-divider: rgba(255, 255, 255, 0.1);
  --level-preschool: #ff70b4;
  --level-elementary: #4cc9ff;
  --level-middle: #b798ff;
  --level-high: #ffc45d;
  --level-shared: #5ee2bc;
  --hero-start: #111824;
  --hero-end: #591620;
  --success: #48d597;
  --warning: #ffbe5c;
  --danger: #ff6b78;
  --focus: rgba(255, 64, 82, 0.28);
  --shadow: 0 20px 54px rgba(0, 0, 0, 0.34);
  --shadow-soft: 0 9px 26px rgba(0, 0, 0, 0.24);
  --page-art:
    radial-gradient(circle at 88% 0%, rgba(255, 64, 82, 0.09), transparent 27%),
    radial-gradient(circle at 24% 90%, rgba(91, 113, 143, 0.07), transparent 33%),
    #090d14;
  --login-art:
    radial-gradient(circle at 16% 14%, rgba(255, 64, 82, 0.22), transparent 31%),
    radial-gradient(circle at 86% 80%, rgba(95, 111, 135, 0.14), transparent 31%),
    linear-gradient(145deg, #06090e, #111824 56%, #210b10);
}

html[data-theme="ai"] {
  color-scheme: light;
  --navy: #18213f;
  --blue: #6657ed;
  --cyan: #00aebd;
  --ink: #26324b;
  --muted: #66718a;
  --line: #dcdcf1;
  --paper: rgba(255, 255, 255, 0.92);
  --wash: #f5f4ff;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-soft: #f4f3ff;
  --surface-elevated: #ffffff;
  --surface-contrast: #17152f;
  --accent: #6d5dfc;
  --accent-strong: #4c3cd6;
  --accent-soft: #e9e6ff;
  --accent-rgb: 109, 93, 252;
  --secondary-accent: #00aebd;
  --heading: #19213f;
  --text: #26324b;
  --text-muted: #66718a;
  --border: #dcdcf1;
  --border-strong: #bfc2e4;
  --sidebar-start: #17152f;
  --sidebar-end: #292458;
  --sidebar-text: #ffffff;
  --sidebar-muted: #d7d3ff;
  --sidebar-hover: rgba(105, 226, 238, 0.11);
  --sidebar-active-start: #6657ed;
  --sidebar-active-end: #007f90;
  --sidebar-divider: rgba(186, 180, 255, 0.16);
  --level-preschool: #d84ca8;
  --level-elementary: #0795c7;
  --level-middle: #6d5dfc;
  --level-high: #d77a00;
  --level-shared: #008f84;
  --hero-start: #5543db;
  --hero-end: #0098a8;
  --success: #11845c;
  --warning: #a96200;
  --danger: #c63555;
  --focus: rgba(109, 93, 252, 0.23);
  --shadow: 0 20px 55px rgba(61, 51, 150, 0.14);
  --shadow-soft: 0 9px 28px rgba(61, 51, 150, 0.1);
  --page-art:
    radial-gradient(circle at 8% 4%, rgba(109, 93, 252, 0.13), transparent 28%),
    radial-gradient(circle at 96% 18%, rgba(0, 174, 189, 0.12), transparent 30%),
    linear-gradient(160deg, #f8f7ff 0%, #f2fbfc 100%);
  --login-art:
    radial-gradient(circle at 12% 15%, rgba(129, 112, 255, 0.42), transparent 34%),
    radial-gradient(circle at 88% 82%, rgba(0, 202, 220, 0.3), transparent 32%),
    linear-gradient(135deg, #17152f, #342b79 54%, #006d7a);
}

html {
  background: var(--wash);
}

body {
  min-height: 100vh;
  background: var(--page-art);
  color: var(--text);
  font-family:
    Inter, Aptos, "Segoe UI Variable", "Segoe UI", ui-sans-serif, system-ui,
    -apple-system, BlinkMacSystemFont, sans-serif;
  transition:
    background-color 220ms ease,
    color 220ms ease;
}

body,
.panel,
.item-card,
.role-metric,
.quick-action,
input,
select,
textarea,
.modal,
.theme-trigger,
.theme-popover {
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(var(--accent-rgb), 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.024) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black, transparent 74%);
}

::selection {
  background: rgba(var(--accent-rgb), 0.22);
  color: var(--heading);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4,
legend,
.item-card h3,
.metrics strong,
.role-metric strong,
.dashboard-two-column h3,
.dashboard-table-block h3,
.studio-section-heading h3,
.planning-inspector h3,
.blueprint-card h3,
.candidate-score,
.studio-time {
  color: var(--heading);
}

.muted,
.small-copy,
.role-metric span,
.metrics span,
.timeline-item p,
.demand-task span,
.demand-task small,
.candidate-main small,
.candidate-main em,
.candidate-score small,
.blueprint-metrics span,
.coverage-impact span,
.planner-lifecycle small {
  color: var(--text-muted);
}

.eyebrow,
.timeline-item time,
.quick-action small,
.blueprint-version,
.candidate-rank,
.coverage-impact strong {
  color: var(--accent);
}

/* Brand system */
.brand-logo {
  position: relative;
  display: block;
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 16px;
  background: #ffffff;
  box-shadow:
    0 12px 30px rgba(0, 0, 0, 0.18),
    0 0 0 1px rgba(var(--accent-rgb), 0.08);
}

.brand-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.brand-logo-login {
  width: min(270px, 82vw);
  height: 116px;
  margin-bottom: 22px;
  border-radius: 22px;
}

.brand-logo-sidebar {
  width: 196px;
  height: 78px;
  border-color: rgba(255, 255, 255, 0.84);
  border-radius: 17px;
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.24),
    0 0 0 1px rgba(var(--accent-rgb), 0.14);
}

.brand-name {
  display: grid;
  min-width: 0;
  line-height: 1.05;
}

.brand-name strong {
  color: var(--sidebar-text);
  font-size: 15px;
  letter-spacing: 0.14em;
}

.brand-name small {
  margin-top: 5px;
  color: var(--sidebar-muted);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html[data-theme="ai"] .brand-logo {
  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.2),
    0 0 28px rgba(0, 214, 226, 0.18),
    0 0 0 1px rgba(150, 136, 255, 0.22);
}

/* Login and recovery */
.login-shell {
  position: relative;
  overflow: hidden;
  background: var(--login-art);
}

.login-shell::before,
.login-shell::after {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.login-shell::before {
  top: -180px;
  right: -80px;
  box-shadow: 0 0 0 60px rgba(255, 255, 255, 0.025);
}

.login-shell::after {
  bottom: -220px;
  left: -100px;
  box-shadow: 0 0 0 80px rgba(var(--accent-rgb), 0.08);
}

.login-card {
  position: relative;
  z-index: 1;
  width: min(480px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: var(--surface-elevated);
  color: var(--text);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.3);
}

.login-card .login-utilities {
  position: absolute;
  z-index: 5;
  top: 18px;
  right: 18px;
}

.login-card label,
.stack label,
.filters label,
.form-grid label {
  color: var(--text);
}

/* Core shell */
.app-shell main {
  background: transparent;
}

.sidebar {
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  background:
    radial-gradient(circle at 20% 0%, rgba(var(--accent-rgb), 0.19), transparent 30%),
    linear-gradient(180deg, var(--sidebar-start), var(--sidebar-end));
  color: var(--sidebar-text);
  box-shadow: 14px 0 42px rgba(14, 18, 25, 0.08);
}

.brand-row {
  justify-content: center;
  gap: 8px;
  padding: 0 2px 24px;
}

.nav-group h2 {
  color: var(--sidebar-muted);
}

.nav-group + .nav-group {
  margin-top: 5px;
  padding-top: 8px;
  border-top: 1px solid var(--sidebar-divider);
}

.nav-item {
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  color: var(--sidebar-muted);
}

.nav-item::before {
  position: absolute;
  top: 50%;
  left: 6px;
  width: 3px;
  height: 0;
  border-radius: 999px;
  background: var(--accent);
  content: "";
  transform: translateY(-50%);
  transition: height 180ms ease;
}

.nav-item:hover,
.nav-item.active {
  border-color: rgba(255, 255, 255, 0.1);
  background: var(--sidebar-hover);
  color: var(--sidebar-text);
}

.nav-item.active {
  border-color: rgba(255, 255, 255, 0.16);
  background: linear-gradient(135deg, var(--sidebar-active-start), var(--sidebar-active-end));
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.nav-item.active::before {
  height: 24px;
  background: #ffffff;
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.72);
}

.sidebar-footer {
  border-top: 1px solid var(--sidebar-divider);
}

.sidebar-footer .muted {
  color: var(--sidebar-muted);
}

.topbar {
  position: sticky;
  z-index: 40;
  top: 0;
  margin: 0 -10px;
  padding: 22px 10px 18px;
  background: color-mix(in srgb, var(--wash) 86%, transparent);
  backdrop-filter: blur(18px);
}

.title-block .eyebrow {
  letter-spacing: 0.16em;
}

/* Surfaces and data density */
.panel,
.item-card,
.role-metric,
.quick-action,
.timeline-item,
.compact-list article,
.blueprint-card,
.planner-lifecycle article,
.planning-task-tray,
.planning-inspector,
.planning-board,
.calendar-area,
.calendar-cell,
.draggable-task,
.scheduled-item,
.studio-toolbar,
.studio-cell,
.validation-item,
.validation-ok,
.diagnostic-card,
.candidate-card,
.session-cover-row,
.feasibility-preview,
.modal {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.panel {
  border-color: color-mix(in srgb, var(--border) 82%, transparent);
  box-shadow: var(--shadow);
}

.item-card,
.role-metric,
.quick-action,
.timeline-item,
.compact-list article,
.blueprint-card {
  box-shadow: var(--shadow-soft);
}

.metrics article,
.role-metric,
.blueprint-card,
.coverage-hero,
.staffing-roster {
  border-color: var(--border);
  background: linear-gradient(135deg, var(--surface), var(--surface-soft));
}

.quick-action {
  color: var(--heading);
}

.quick-action:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 28px rgba(var(--accent-rgb), 0.12);
}

.dashboard-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 15%, rgba(255, 255, 255, 0.16), transparent 25%),
    linear-gradient(135deg, var(--hero-start), var(--hero-end));
}

.dashboard-hero::after {
  position: absolute;
  right: -55px;
  bottom: -95px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  box-shadow: 0 0 0 40px rgba(255, 255, 255, 0.035);
  content: "";
  pointer-events: none;
}

.dashboard-hero h2 {
  color: #ffffff;
}

.dashboard-hero p,
.dashboard-common-metric span {
  color: rgba(255, 255, 255, 0.82);
}

.dashboard-hero .eyebrow {
  color: #ffffff;
}

input,
select,
textarea {
  border-color: var(--border-strong);
  background: var(--surface-elevated);
  color: var(--text);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.78;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--focus);
}

.button {
  border: 1px solid transparent;
}

.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(var(--accent-rgb), 0.2);
}

.primary:hover {
  box-shadow: 0 11px 26px rgba(var(--accent-rgb), 0.28);
}

.secondary,
.icon-button,
.count-badge {
  border-color: color-mix(in srgb, var(--accent) 18%, var(--border));
  background: var(--accent-soft);
  color: var(--heading);
}

.text-button {
  color: var(--accent);
}

.text-button:hover {
  color: var(--accent-strong);
}

.language-login {
  border-color: var(--border);
  background: var(--accent-soft);
  color: var(--heading);
}

.ghost {
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.pill {
  background: var(--surface-soft);
  color: var(--text);
}

.notification-trigger {
  border-color: var(--border);
  background: var(--surface-elevated);
  color: var(--heading);
  box-shadow: var(--shadow-soft);
}

.notification-trigger:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--surface-elevated));
  box-shadow: 0 10px 28px rgba(var(--accent-rgb), 0.13);
}

.notification-trigger::before {
  background: var(--danger);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 14%, transparent);
}

.notification-trigger:focus-visible {
  outline-color: color-mix(in srgb, var(--accent) 36%, transparent);
}

.pill.success {
  background: color-mix(in srgb, var(--success) 16%, var(--surface));
  color: var(--success);
}

.pill.warning {
  background: color-mix(in srgb, var(--warning) 16%, var(--surface));
  color: var(--warning);
}

.pill.danger,
.danger-button {
  background: color-mix(in srgb, var(--danger) 14%, var(--surface));
  color: var(--danger);
}

.notice {
  background: color-mix(in srgb, var(--cyan) 14%, var(--surface));
  color: var(--heading);
}

.notice.danger {
  background: color-mix(in srgb, var(--danger) 14%, var(--surface));
  color: var(--danger);
}

.empty {
  border-color: var(--border-strong);
  color: var(--text-muted);
}

.table-wrap {
  scrollbar-color: var(--border-strong) transparent;
}

th {
  background: var(--surface-soft);
  color: var(--text-muted);
}

th,
td {
  border-color: var(--border);
}

tbody tr:hover {
  background: color-mix(in srgb, var(--accent) 5%, var(--surface));
}

.data-grid-shell {
  display: grid;
  min-width: 0;
  gap: 0;
}

.level-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 3%, var(--surface-soft));
  color: var(--text-muted);
  font-size: 11px;
}

.level-legend.compact {
  flex: 1 1 auto;
  padding: 4px 0;
  border: 0;
  background: transparent;
}

.level-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.level-legend .legend-title {
  color: var(--heading);
  font-weight: 850;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.level-legend i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 12%, transparent);
}

.level-preschool {
  --level-color: var(--level-preschool);
}

.level-elementary {
  --level-color: var(--level-elementary);
}

.level-middle {
  --level-color: var(--level-middle);
}

.level-high {
  --level-color: var(--level-high);
}

.level-shared {
  --level-color: var(--level-shared);
}

.level-legend i.level-preschool,
.level-legend i.level-elementary,
.level-legend i.level-middle,
.level-legend i.level-high,
.level-legend i.level-shared {
  background: var(--level-color);
  color: var(--level-color);
}

table.data-grid {
  border-collapse: separate;
  border-spacing: 0;
}

table.data-grid th {
  border-bottom: 2px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--accent) 8%, var(--surface)),
      var(--surface-soft));
  color: var(--heading);
}

table.data-grid tbody tr {
  --row-accent: var(--border-strong);
  background: color-mix(in srgb, var(--row-accent) 1.8%, var(--surface));
}

table.data-grid tbody tr:nth-child(even) {
  background: color-mix(in srgb, var(--row-accent) 4.5%, var(--surface));
}

table.data-grid tbody tr:hover {
  background: color-mix(in srgb, var(--row-accent) 9%, var(--surface));
}

table.data-grid tbody tr.level-preschool,
table.data-grid tbody tr.level-elementary,
table.data-grid tbody tr.level-middle,
table.data-grid tbody tr.level-high,
table.data-grid tbody tr.level-shared {
  --row-accent: var(--level-color);
}

table.data-grid tbody tr.status-success:not([class*="level-"]) {
  --row-accent: var(--success);
}

table.data-grid tbody tr.status-warning:not([class*="level-"]) {
  --row-accent: var(--warning);
}

table.data-grid tbody tr.status-danger:not([class*="level-"]) {
  --row-accent: var(--danger);
}

table.data-grid tbody td:first-child {
  box-shadow: inset 4px 0 0 var(--row-accent);
}

.data-chip,
.metric-chip {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 4px 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 850;
  line-height: 1;
  white-space: nowrap;
}

.level-chip {
  border-color: color-mix(in srgb, var(--level-color) 36%, var(--border));
  background: color-mix(in srgb, var(--level-color) 13%, var(--surface));
  color: color-mix(in srgb, var(--level-color) 86%, var(--heading));
}

.metric-chip.success {
  border-color: color-mix(in srgb, var(--success) 30%, var(--border));
  background: color-mix(in srgb, var(--success) 12%, var(--surface));
  color: var(--success);
}

.metric-chip.warning {
  border-color: color-mix(in srgb, var(--warning) 30%, var(--border));
  background: color-mix(in srgb, var(--warning) 13%, var(--surface));
  color: var(--warning);
}

.metric-chip.danger {
  border-color: color-mix(in srgb, var(--danger) 30%, var(--border));
  background: color-mix(in srgb, var(--danger) 12%, var(--surface));
  color: var(--danger);
}

.entity-grid .action-cell {
  position: sticky;
  right: 0;
  background: inherit;
  box-shadow: -10px 0 18px color-mix(in srgb, var(--surface) 88%, transparent);
}

fieldset {
  border-color: var(--border);
}

.multi-select-field,
.multi-option {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.multi-option.selected {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
  background: color-mix(in srgb, var(--accent) 9%, var(--surface));
}

.multi-count {
  background: var(--accent-soft);
  color: var(--accent);
}

pre,
.json-editor {
  border: 1px solid var(--border);
  background: var(--surface-contrast);
  color: #eaf0f7;
}

.modal-backdrop {
  background: rgba(5, 8, 13, 0.72);
  backdrop-filter: blur(8px);
}

.toast {
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: var(--surface-contrast);
  color: #ffffff;
}

/* Planner and operational tools */
.planner-workspace,
.unassigned-tray,
.calendar-filters,
.calendar-grid,
.studio-grid,
.planning-studio,
.postsolve-studio,
.studio-legend {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--text);
}

/*
 * The interactive coverage board predates the shared design system and ships
 * a small set of inline colors. These high-specificity overrides keep that
 * protected workspace readable in every theme without changing its logic.
 */
.planner-workspace {
  border-color: var(--border) !important;
  background: var(--surface) !important;
}

.unassigned-tray {
  border-right-color: var(--border) !important;
  background: var(--surface-soft) !important;
}

.tray-title {
  color: var(--accent) !important;
}

.draggable-task {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border)) !important;
  border-left-color: var(--accent) !important;
  background: var(--surface) !important;
}

.draggable-task p {
  color: var(--text-muted) !important;
}

.calendar-area {
  background: var(--surface) !important;
}

.calendar-filters {
  border-bottom-color: var(--border) !important;
  background: var(--surface-soft) !important;
}

.calendar-filters > span[style*="color:#333"] {
  color: var(--heading) !important;
}

#pendingChangesBadge {
  color: var(--warning) !important;
}

.calendar-grid {
  border-color: var(--border) !important;
  background: var(--border) !important;
}

.unassigned-tray,
.calendar-header,
.time-label,
.studio-grid-head,
.studio-time {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--text);
}

.calendar-header,
.time-label {
  background: var(--surface-soft) !important;
  color: var(--text) !important;
}

.calendar-cell {
  background: var(--surface) !important;
}

.draggable-task {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  border-left-color: var(--accent);
}

.draggable-task p {
  color: var(--text-muted);
}

.scheduled-item,
.blueprint-item {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, var(--surface));
  color: var(--heading);
}

.blueprint-item.level-preschool::after,
.blueprint-item.level-elementary::after,
.blueprint-item.level-middle::after,
.blueprint-item.level-high::after,
.blueprint-item.level-shared::after,
.demand-task.level-preschool::after,
.demand-task.level-elementary::after,
.demand-task.level-middle::after,
.demand-task.level-high::after,
.demand-task.level-shared::after {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--level-color);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--level-color) 28%, transparent);
  content: "";
}

.blueprint-item.generated.level-preschool,
.blueprint-item.generated.level-elementary,
.blueprint-item.generated.level-middle,
.blueprint-item.generated.level-high,
.blueprint-item.generated.level-shared {
  border-color: color-mix(in srgb, var(--level-color) 40%, var(--border));
  border-left-color: var(--level-color);
  background: color-mix(in srgb, var(--level-color) 10%, var(--surface));
}

.demand-task.level-preschool,
.demand-task.level-elementary,
.demand-task.level-middle,
.demand-task.level-high,
.demand-task.level-shared {
  position: relative;
  border-color: color-mix(in srgb, var(--level-color) 34%, var(--border));
  border-left-color: var(--level-color);
  background: color-mix(in srgb, var(--level-color) 7%, var(--surface));
}

.blueprint-item.generated.modified {
  border-color: color-mix(in srgb, var(--warning) 48%, var(--border));
  border-left-color: var(--warning);
  background: color-mix(in srgb, var(--warning) 14%, var(--surface));
}

.scheduled-item {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border)) !important;
  border-left-color: var(--accent) !important;
  background: color-mix(in srgb, var(--accent) 9%, var(--surface)) !important;
  color: var(--heading) !important;
}

.scheduled-item > span[style*="color:#0277bd"] {
  color: var(--accent) !important;
}

.calendar-cell > div[style*="background:#f1f5f9"] {
  border-color: var(--border-strong) !important;
  background: var(--surface-soft) !important;
  color: var(--text-muted) !important;
}

.calendar-cell > div[style*="background:#f0fdf4"] {
  border-color: color-mix(in srgb, var(--success) 48%, var(--border)) !important;
  background: color-mix(in srgb, var(--success) 11%, var(--surface)) !important;
  color: var(--success) !important;
}

#contextMenu {
  border-color: var(--border) !important;
  background: var(--surface-elevated) !important;
  color: var(--text) !important;
  box-shadow: var(--shadow) !important;
}

#contextMenu > div:first-child {
  border-bottom-color: var(--border) !important;
  color: var(--text-muted) !important;
}

#contextMenu [data-action="board-ai-fill"] {
  color: var(--heading) !important;
}

#contextMenu [data-action="board-lock"] {
  color: var(--danger) !important;
}

#contextMenu [data-action="board-ai-fill"]:hover,
#contextMenu [data-action="board-lock"]:hover {
  background: var(--surface-soft) !important;
}

.demand-task {
  border-color: var(--border);
  border-left-color: var(--accent);
  background: var(--surface);
  color: var(--heading);
}

.demand-task:hover,
.demand-task.selected,
.candidate-card:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
}

.studio-cell:not(.disabled):hover {
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
  outline-color: rgba(var(--accent-rgb), 0.38);
}

.studio-cell.disabled {
  background:
    repeating-linear-gradient(
      135deg,
      var(--surface-soft),
      var(--surface-soft) 7px,
      color-mix(in srgb, var(--border) 55%, var(--surface-soft)) 7px,
      color-mix(in srgb, var(--border) 55%, var(--surface-soft)) 14px
    );
}

.planner-lifecycle {
  border-color: var(--border);
  background: var(--border);
}

.planner-lifecycle article.active,
.validation-ok {
  background: color-mix(in srgb, var(--success) 9%, var(--surface));
}

.planner-lifecycle article > span {
  background: var(--accent-soft);
  color: var(--heading);
}

.planner-lifecycle .active > span {
  background: var(--accent);
  color: #ffffff;
}

.blueprint-metrics,
.feasibility-preview,
.coverage-assistant-hero,
.studio-legend {
  background: var(--surface-soft);
}

/* Theme selector */
.theme-control {
  position: relative;
  flex: 0 0 auto;
}

.theme-trigger {
  display: grid;
  grid-template-columns: 32px minmax(0, auto) 15px;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 6px 10px 6px 7px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--surface-elevated);
  color: var(--text);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.theme-trigger:hover,
.theme-trigger[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 10px 28px rgba(var(--accent-rgb), 0.13);
}

.theme-trigger-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--secondary-accent));
  color: #ffffff;
  font-size: 13px;
  font-weight: 950;
}

.theme-trigger-text {
  display: grid;
  min-width: 0;
  text-align: left;
  line-height: 1.05;
}

.theme-trigger-text small {
  color: var(--text-muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.theme-trigger-text strong {
  overflow: hidden;
  margin-top: 4px;
  color: var(--heading);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.theme-trigger-chevron {
  color: var(--text-muted);
  font-size: 16px;
  transition: transform 160ms ease;
}

.theme-trigger[aria-expanded="true"] .theme-trigger-chevron {
  transform: rotate(180deg);
}

.theme-popover {
  position: absolute;
  z-index: 200;
  top: calc(100% + 10px);
  right: 0;
  width: min(352px, calc(100vw - 28px));
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 19px;
  background: var(--surface-elevated);
  color: var(--text);
  box-shadow: 0 24px 70px rgba(8, 12, 20, 0.24);
}

.theme-popover::before {
  position: absolute;
  top: -6px;
  right: 22px;
  width: 11px;
  height: 11px;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  background: var(--surface-elevated);
  content: "";
  transform: rotate(45deg);
}

.theme-popover-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
  padding: 3px 3px 11px;
  border-bottom: 1px solid var(--border);
}

.theme-popover-heading > div {
  display: grid;
}

.theme-popover-heading strong {
  margin-top: 3px;
  color: var(--heading);
  font-size: 15px;
}

.theme-popover-kicker {
  color: var(--accent);
  font-size: 9px;
  font-weight: 950;
  letter-spacing: 0.18em;
}

.theme-popover-close {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.theme-options {
  display: grid;
  gap: 8px;
}

.theme-option {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto 22px;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 64px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.theme-option:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  transform: translateY(-1px);
}

.theme-option.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
  box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.1);
}

.theme-option-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--heading);
  font-weight: 950;
}

.theme-option-copy {
  display: grid;
  min-width: 0;
}

.theme-option-copy strong {
  color: var(--heading);
  font-size: 13px;
}

.theme-option-copy small {
  margin-top: 3px;
  color: var(--text-muted);
  font-size: 10px;
}

.theme-swatches {
  display: flex;
  padding-left: 5px;
}

.theme-swatches span {
  width: 15px;
  height: 15px;
  margin-left: -5px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--swatch);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.16);
}

.theme-check {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-size: 11px;
  font-weight: 950;
}

html[data-theme="dark"] .theme-option-icon,
html[data-theme="dark"] .theme-popover-close {
  background: var(--surface-elevated);
}

html[data-theme="ai"] .panel,
html[data-theme="ai"] .theme-popover,
html[data-theme="ai"] .theme-trigger {
  backdrop-filter: blur(18px);
}

/* Responsive and readability guardrails */
@media (max-width: 1080px) {
  .theme-trigger {
    grid-template-columns: 32px 15px;
  }

  .theme-trigger-text {
    display: none;
  }
}

@media (max-width: 760px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  main,
  .view,
  .panel,
  .dashboard-hero,
  .table-panel,
  .table-wrap {
    min-width: 0;
    max-width: 100%;
  }

  .table-wrap {
    overflow-x: auto;
  }

  .level-legend {
    gap: 8px 12px;
    padding: 10px 12px;
  }

  .level-legend .legend-title {
    flex-basis: 100%;
  }

  table.data-grid th,
  table.data-grid td {
    padding: 11px 12px;
  }

  .topbar {
    margin: 0;
    padding: 16px 0 14px;
  }

  .top-actions {
    max-width: 100%;
    gap: 8px;
  }

  .brand-logo-sidebar {
    width: 188px;
    height: 74px;
  }

  .planner-workspace {
    display: block !important;
    width: 100%;
    max-width: 100%;
    height: auto !important;
    min-height: 0 !important;
    overflow-x: auto !important;
  }

  .planner-workspace .unassigned-tray {
    width: 100% !important;
    max-height: 240px;
    border-right: 0 !important;
    border-bottom: 1px solid var(--border);
  }

  .planner-workspace .calendar-area {
    width: 720px;
    min-width: 720px;
  }

  .login-card .login-utilities {
    top: 12px;
    right: 12px;
  }

  .login-card .theme-trigger {
    grid-template-columns: 30px 14px;
    min-height: 40px;
  }

  .login-card .theme-trigger-text {
    display: none;
  }

  .theme-popover {
    position: fixed;
    top: 76px;
    right: 14px;
    left: 14px;
    width: auto;
  }

  .theme-popover::before {
    display: none;
  }
}

@media (max-width: 480px) {
  .brand-logo-login {
    width: 210px;
    height: 92px;
    margin-bottom: 18px;
  }

  .login-card {
    padding: 28px 22px;
  }

  .theme-option {
    grid-template-columns: 38px minmax(0, 1fr) 22px;
  }

  .theme-swatches {
    display: none;
  }
}

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