:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-soft: #fafbfc;
  --stroke: #e7eaee;
  --stroke-strong: #d6dbe3;
  --text: #111827;
  --muted: #667085;
  --accent: #146356;
  --accent-soft: rgba(20, 99, 86, 0.1);
  --blue-soft: rgba(31, 111, 235, 0.08);
  --gold: #a15f1a;
  --danger: #c04b4b;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 14px 36px rgba(15, 23, 42, 0.06);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 12px;
}

body[data-theme="dark"] {
  --bg: #0e141b;
  --panel: #131c27;
  --panel-soft: #182230;
  --stroke: #243244;
  --stroke-strong: #324459;
  --text: #f2f5f8;
  --muted: #a8b4c4;
  --accent: #33b39b;
  --accent-soft: rgba(51, 179, 155, 0.16);
  --blue-soft: rgba(94, 167, 255, 0.14);
  --gold: #d8a45e;
  --danger: #ef7b7b;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.22);
  --shadow-md: 0 18px 42px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Aptos", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(20, 99, 86, 0.05), transparent 22%),
    radial-gradient(circle at top right, rgba(35, 102, 179, 0.05), transparent 18%),
    linear-gradient(180deg, #fbfcfe 0%, #f3f5f8 100%);
  background-color: var(--bg);
}

body[data-theme="dark"] {
  background:
    radial-gradient(circle at top left, rgba(51, 179, 155, 0.08), transparent 22%),
    radial-gradient(circle at top right, rgba(94, 167, 255, 0.07), transparent 18%),
    linear-gradient(180deg, #0d131a 0%, #0a1016 100%);
}

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

.app-shell {
  width: min(1500px, calc(100vw - 32px));
  margin: 24px auto 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.topbar-main {
  display: grid;
  gap: 12px;
}

.topbar h1,
.section-header h2,
.dashboard-hero h2,
.dashboard-hero h3,
.panel-header h3,
.result-section h3 {
  margin: 0;
  letter-spacing: -0.04em;
}

.topbar h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.02;
}

.eyebrow,
.section-label {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.topbar-copy,
.body-copy,
.detail-copy,
.upload-note,
.generate-copy,
.result-section p,
.result-section li {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.product-nav,
.topbar-meta,
.hero-tags,
.chip-row,
.flag-row,
.angle-actions,
.memory-list,
.workspace-toolbar,
.provider-line,
.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-nav-item,
.meta-chip,
.tag,
.signal-chip,
.risk-chip,
.status-badge,
.score-pill,
.runtime-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.product-nav-item,
.meta-chip,
.status-badge,
.score-pill {
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.82);
}

.product-nav-item.is-active {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}

body[data-theme="dark"] .product-nav-item.is-active,
body[data-theme="dark"] .workspace-tab.is-active {
  background: #eef2f6;
  color: #101828;
  border-color: #eef2f6;
}

body[data-theme="dark"] .topbar h1,
body[data-theme="dark"] .section-header h2,
body[data-theme="dark"] .dashboard-hero h2,
body[data-theme="dark"] .dashboard-hero h3,
body[data-theme="dark"] .panel-header h3,
body[data-theme="dark"] .result-section h3,
body[data-theme="dark"] .mini-card h4,
body[data-theme="dark"] .angle-card h3,
body[data-theme="dark"] .selection-card h3,
body[data-theme="dark"] .runtime-tile h4,
body[data-theme="dark"] .outline-paragraph h4 {
  color: var(--text);
}

body[data-theme="dark"] .language-toggle,
body[data-theme="dark"] .theme-toggle {
  border-color: rgba(148, 163, 184, 0.28);
  background: rgba(15, 23, 42, 0.9);
  color: #f8fafc;
}

body[data-theme="dark"] .theme-toggle-track {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.45), rgba(14, 165, 233, 0.32));
  border-color: rgba(125, 211, 252, 0.26);
  box-shadow: inset 0 0 0 1px rgba(125, 211, 252, 0.08);
}

body[data-theme="dark"] .theme-toggle-icon {
  transform: translateX(22px);
  background: linear-gradient(135deg, #fde68a, #fb7185);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.36);
}

.language-toggle,
.theme-toggle {
  min-height: 46px;
}

.language-toggle {
  min-width: 94px;
  font-weight: 700;
}

.theme-toggle {
  min-width: 136px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle-track {
  position: relative;
  width: 48px;
  height: 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.18), rgba(34, 197, 94, 0.24));
  border: 1px solid rgba(15, 23, 42, 0.1);
  flex-shrink: 0;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.theme-toggle-icon {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f8fafc, #dbeafe);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.2);
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.theme-toggle-label {
  font-weight: 700;
  white-space: nowrap;
}

.tag,
.signal-chip {
  background: var(--accent-soft);
  color: var(--accent);
}

.risk-chip {
  background: rgba(161, 95, 26, 0.1);
  color: var(--gold);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, minmax(0, 0.8fr));
  gap: 16px;
  margin-bottom: 20px;
}

.dashboard-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.dashboard-hero h3,
.dashboard-metric h3 {
  font-size: 1.5rem;
}

.dashboard-hero {
  display: grid;
  gap: 18px;
}

.dashboard-metric {
  display: grid;
  gap: 10px;
  align-content: space-between;
}

.workspace-layout {
  display: grid;
  grid-template-columns: minmax(320px, 360px) minmax(0, 1.25fr) minmax(300px, 360px);
  gap: 18px;
  align-items: start;
}

.workspace-sidebar,
.workspace-main {
  display: grid;
  gap: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 20px;
}

.summary-card,
.runtime-card,
.insights-card,
.workspace-card,
.intake-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 251, 252, 0.96));
}

body[data-theme="dark"] .card,
body[data-theme="dark"] .summary-card,
body[data-theme="dark"] .runtime-card,
body[data-theme="dark"] .insights-card,
body[data-theme="dark"] .workspace-card,
body[data-theme="dark"] .intake-panel,
body[data-theme="dark"] .dashboard-hero,
body[data-theme="dark"] .dashboard-metric {
  background: linear-gradient(180deg, rgba(19, 28, 39, 0.98), rgba(17, 24, 35, 0.98));
  border-color: var(--stroke);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.section-header.compact {
  margin-bottom: 12px;
}

.stack-form,
.result-content,
.result-grid,
.signal-list,
.angle-list,
.project-memory,
.runtime-grid,
.quick-actions-grid,
.workspace-panels {
  display: grid;
  gap: 12px;
}

.workspace-panels {
  gap: 0;
}

.workspace-panel {
  display: none;
  padding-top: 2px;
}

.workspace-panel.is-active {
  display: block;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.workspace-tab {
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
}

.workspace-tab.is-active {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}

.form-group {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke);
  background: var(--panel-soft);
}

.group-heading {
  display: grid;
  gap: 4px;
}

.why-school-panel {
  display: grid;
  gap: 12px;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px dashed var(--stroke-strong);
}

.why-school-panel[hidden] {
  display: none;
}

.stack-form label {
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--stroke-strong);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(20, 99, 86, 0.45);
  box-shadow: 0 0 0 4px rgba(20, 99, 86, 0.08);
}

textarea {
  resize: vertical;
}

.editor-area {
  min-height: 380px;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 1rem;
  line-height: 1.8;
  background: #fff;
}

.ghost-button,
.primary-button,
.angle-button,
.quick-action-button {
  border-radius: 12px;
  padding: 11px 14px;
  cursor: pointer;
  border: 1px solid var(--stroke-strong);
  background: #fff;
  transition: 0.18s ease;
}

.ghost-button:hover,
.angle-button:hover,
.quick-action-button:hover {
  border-color: rgba(20, 99, 86, 0.28);
  background: rgba(20, 99, 86, 0.03);
}

body[data-theme="dark"] .ghost-button:hover,
body[data-theme="dark"] .angle-button:hover,
body[data-theme="dark"] .quick-action-button:hover {
  border-color: rgba(51, 179, 155, 0.35);
  background: rgba(51, 179, 155, 0.08);
}

.primary-button {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 800;
}

.primary-button:hover {
  background: #0f564b;
  border-color: #0f564b;
}

body[data-theme="dark"] input,
body[data-theme="dark"] select,
body[data-theme="dark"] textarea,
body[data-theme="dark"] .ghost-button,
body[data-theme="dark"] .angle-button,
body[data-theme="dark"] .quick-action-button,
body[data-theme="dark"] .product-nav-item,
body[data-theme="dark"] .meta-chip,
body[data-theme="dark"] .status-badge,
body[data-theme="dark"] .score-pill,
body[data-theme="dark"] .runtime-tile,
body[data-theme="dark"] .memory-item,
body[data-theme="dark"] .mini-card,
body[data-theme="dark"] .angle-card,
body[data-theme="dark"] .selection-card,
body[data-theme="dark"] .outline-paragraph,
body[data-theme="dark"] .draft-paragraph,
body[data-theme="dark"] .stage-card,
body[data-theme="dark"] .result-section,
body[data-theme="dark"] .upload-item {
  background: #151d28;
}

body[data-theme="dark"] .ghost-button,
body[data-theme="dark"] .angle-button,
body[data-theme="dark"] .quick-action-button,
body[data-theme="dark"] .meta-chip,
body[data-theme="dark"] .product-nav-item,
body[data-theme="dark"] .status-badge,
body[data-theme="dark"] .score-pill {
  color: var(--text);
}

body[data-theme="dark"] .primary-button {
  color: #08120f;
  background: #39c3a9;
  border-color: #39c3a9;
}

body[data-theme="dark"] .primary-button:hover {
  background: #4ad3ba;
  border-color: #4ad3ba;
}

body[data-theme="dark"] .quick-action-button:disabled,
body[data-theme="dark"] button:disabled {
  opacity: 0.9;
  color: #8fa0b5;
  background: #2a3442;
  border-color: #37465a;
}

body[data-theme="dark"] .tag,
body[data-theme="dark"] .signal-chip {
  color: #7ee6d2;
  background: rgba(51, 179, 155, 0.14);
}

body[data-theme="dark"] .result-section,
body[data-theme="dark"] .memory-item,
body[data-theme="dark"] .runtime-tile,
body[data-theme="dark"] .mini-card,
body[data-theme="dark"] .angle-card,
body[data-theme="dark"] .selection-card,
body[data-theme="dark"] .outline-paragraph,
body[data-theme="dark"] .draft-paragraph,
body[data-theme="dark"] .stage-card,
body[data-theme="dark"] .upload-item,
body[data-theme="dark"] .form-group {
  background: #182230;
  border-color: #2b394a;
}

body[data-theme="dark"] .editor-area {
  background: #101720;
  color: var(--text);
}

body[data-theme="dark"] input,
body[data-theme="dark"] select,
body[data-theme="dark"] textarea {
  color: var(--text);
}

body[data-theme="dark"] code {
  background: rgba(255, 255, 255, 0.08);
}

.quick-actions-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.quick-action-button {
  justify-content: flex-start;
  text-align: left;
  font-weight: 700;
}

.quick-action-button.is-secondary {
  background: #fbfcfd;
}

.quick-action-button:disabled,
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.generate-bar {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--stroke-strong);
}

.runtime-grid {
  grid-template-columns: 1fr;
}

.runtime-tile {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: #fff;
}

.runtime-pill.live {
  color: var(--accent);
  background: rgba(20, 99, 86, 0.12);
}

.runtime-pill.offline,
.runtime-pill.fallback {
  color: var(--gold);
  background: rgba(161, 95, 26, 0.12);
}

.runtime-pill.pending {
  color: var(--muted);
  background: rgba(102, 112, 133, 0.12);
}

.project-memory {
  gap: 10px;
}

.memory-item {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: #fff;
}

.result-section {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke);
  background: #fff;
}

.result-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mini-card,
.angle-card,
.selection-card,
.outline-paragraph,
.draft-paragraph,
.stage-card {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: #fff;
}

.angle-card {
  display: grid;
  gap: 12px;
  border-left: 4px solid rgba(20, 99, 86, 0.18);
}

.angle-card.is-selected {
  border-left-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(20, 99, 86, 0.08);
}

.angle-score {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: #235daf;
  font-size: 0.84rem;
  font-weight: 800;
}

.angle-button.is-selected {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.decision-grid,
.stage-rail {
  display: grid;
  gap: 12px;
}

.stage-rail {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.decision-grid {
  grid-template-columns: 1.08fr 0.92fr;
}

.draft-paragraph {
  line-height: 1.75;
}

.score-pill.high {
  color: var(--danger);
}

.score-pill.medium {
  color: var(--gold);
}

.score-pill.low {
  color: var(--accent);
}

.upload-status {
  display: grid;
  gap: 8px;
}

.upload-item {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  background: #fff;
  font-size: 0.88rem;
  color: var(--muted);
}

.decision-list,
.ranked-reasons {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.draft-audit {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 14px;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  background: var(--panel-soft);
}

.audit-group {
  display: grid;
  gap: 6px;
}

.error-box {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(192, 75, 75, 0.24);
  background: rgba(192, 75, 75, 0.08);
  color: #8f2f2f;
}

code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.84em;
  padding: 1px 5px;
  border-radius: 8px;
  background: rgba(17, 24, 39, 0.06);
}

@media (max-width: 1320px) {
  .workspace-layout {
    grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  }

  .workspace-sidebar-right {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1120px) {
  .dashboard-grid,
  .workspace-layout,
  .workspace-sidebar-right,
  .stage-rail,
  .decision-grid,
  .result-grid,
  .quick-actions-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .dashboard-title-row,
  .section-header,
  .panel-header {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100vw - 18px, 100%);
    margin: 18px auto 28px;
  }

  .card {
    padding: 16px;
    border-radius: 20px;
  }

  .workspace-toolbar {
    width: 100%;
  }

  .workspace-tab,
  .quick-action-button {
    width: 100%;
    justify-content: center;
  }
}

/* ---- Internal login gate ---- */
body.login-active {
  overflow: hidden;
}

body.login-active .app-shell {
  filter: blur(6px);
  pointer-events: none;
  user-select: none;
}

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(20, 99, 86, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(35, 102, 179, 0.12), transparent 28%),
    linear-gradient(180deg, #eef2f6 0%, #e4e9ef 100%);
}

body[data-theme="dark"] .login-overlay {
  background:
    radial-gradient(circle at top left, rgba(51, 179, 155, 0.16), transparent 30%),
    radial-gradient(circle at bottom right, rgba(94, 167, 255, 0.14), transparent 28%),
    linear-gradient(180deg, #0c1219 0%, #080d12 100%);
}

.login-overlay[hidden] {
  display: none;
}

.login-card {
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 36px 32px 28px;
  animation: login-rise 0.34s ease both;
}

@keyframes login-rise {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
}

.login-logo {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #1f8f7c);
  box-shadow: 0 6px 16px var(--accent-soft);
}

.login-brand-text h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.2px;
}

.login-brand-text p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-field {
  display: grid;
  gap: 7px;
}

.login-field span {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.login-field input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke-strong);
  background: var(--panel-soft);
  color: var(--text);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.login-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.login-error {
  margin: -4px 0 0;
  font-size: 13px;
  color: var(--danger);
}

.login-error[hidden] {
  display: none;
}

.login-submit {
  position: relative;
  margin-top: 4px;
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.18s ease, transform 0.05s ease;
}

.login-submit:hover {
  filter: brightness(1.05);
}

.login-submit:active {
  transform: translateY(1px);
}

.login-submit:disabled {
  cursor: progress;
  filter: saturate(0.7) brightness(0.95);
}

.login-submit.is-loading .login-submit-label {
  visibility: hidden;
}

.login-submit-spinner {
  display: none;
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: login-spin 0.7s linear infinite;
}

.login-submit.is-loading .login-submit-spinner {
  display: block;
}

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

.login-foot {
  margin: 22px 0 0;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}