/* ==============================
   Sulix Intelligence — Design Tokens
   Workspace: Blue | Identity: Amber
   ============================== */

:root {
  /* Layout */
  --nav-width: 220px;
  --context-width: 300px;
  --header-height: 2.5rem;
  --base-rhythm: 4px;

  /* Colors — neutral */
  --bg-page: #fafafa;
  --bg-card: #ffffff;
  --bg-hover: #f5f5f5;
  --border-light: #f5f5f5;
  --border-medium: #e5e5e5;

  /* Colors — text */
  --text-primary: #171717;
  --text-secondary: #525252;
  --text-tertiary: #a3a3a3;
  --text-muted: #d4d4d4;

  /* Colors — workspace accent (blue) */
  --brand: #2563eb;
  --brand-light: #eff6ff;
  --brand-dark: #1d4ed8;
  --selection-bg: #eff6ff;
  --link: #1d4ed8;

  /* SVI signal colors — the ONLY vivid colors on the page */
  --svi-high: #dc2626;       /* 9-10 */
  --svi-medium-high: #ea580c; /* 7-8 */
  --svi-medium: #ca8a04;     /* 5-6 */
  --svi-low: #16a34a;        /* 3-4 */
  --svi-weak: #6b7280;       /* 0-2 */

  /* Thesis status colors */
  --status-emerging: #2563eb;    /* blue */
  --status-developing: #16a34a;  /* green */
  --status-challenged: #ea580c;  /* orange */
  --status-archived: #a3a3a3;    /* gray */

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Geist', 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --tracking-tight: -0.02em;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
}

/* ==============================
   Layout — Three Column Workspace
   ============================== */

.workspace-layout {
  display: flex;
  height: calc(100vh - var(--header-height));
}

.workspace-nav {
  width: var(--nav-width);
  flex-shrink: 0;
  border-right: 1px solid var(--border-medium);
  overflow-y: auto;
  padding: 1rem;
}

.workspace-main {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 1.5rem;
}

.workspace-context {
  width: var(--context-width);
  flex-shrink: 0;
  border-left: 1px solid var(--border-medium);
  overflow-y: auto;
  padding: 1rem;
  background: #fafafa;
}

/* ==============================
   Navigation
   ============================== */

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  text-decoration: none;
}

.nav-logo-text {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.nav-section-title {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--text-tertiary);
  margin-top: 1rem;
  margin-bottom: 0.375rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.5rem;
  border-radius: 4px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: background 0.1s, color 0.1s;
  cursor: pointer;
  position: relative;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--brand-light);
  color: var(--brand);
  font-weight: 500;
  border-left: 2px solid var(--brand);
  margin-left: -0.5rem;
  padding-left: calc(0.5rem - 2px);
}

.nav-item-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.nav-item-indicator.active { background: var(--brand); }
.nav-item-indicator.inactive { background: var(--text-muted); }

.nav-item-stage {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-tertiary);
  margin-left: auto;
}

.nav-item-badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-tertiary);
  margin-left: 0.25rem;
}

.nav-search {
  margin-top: 1rem;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border-medium);
  border-radius: 4px;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  width: 100%;
  background: white;
  display: none; /* hidden until search is implemented */
}

/* ==============================
   Thesis Card
   ============================== */

.thesis-card {
  display: block;
  padding: 0.75rem;
  border: 1px solid var(--border-medium);
  border-radius: 8px;
  background: var(--bg-card);
  margin-bottom: 0.5rem;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

.thesis-card:hover {
  border-color: var(--brand);
  background: #fcfcfc;
}

.thesis-card-header {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.thesis-card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 0.5rem;
  flex-shrink: 0;
}

.thesis-card-dot.active { background: var(--status-emerging); }
.thesis-card-dot.strengthening { background: var(--status-developing); }
.thesis-card-dot.weakening { background: var(--status-challenged); }
.thesis-card-dot.retired { background: var(--status-archived); }

.thesis-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 550;
  color: var(--text-primary);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.thesis-status-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  padding: 0.125rem 0.4rem;
  border-radius: 3px;
  font-weight: 500;
}

.thesis-status-badge.active {
  background: #eff6ff;
  color: #1d4ed8;
}

.thesis-status-badge.strengthening {
  background: #f0fdf4;
  color: #166534;
}

.thesis-status-badge.weakening {
  background: #fff7ed;
  color: #9a3412;
}

.thesis-status-badge.retired {
  background: #f5f5f5;
  color: #737373;
}

.thesis-card-confidence {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-secondary);
}

.thesis-card-summary {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
  margin-top: 0.25rem;
}

.thesis-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

/* ==============================
   Signal Rows
   ============================== */

.signal-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
  text-decoration: none;
  transition: background 0.1s;
}

.signal-row:hover {
  background: var(--bg-hover);
  margin: 0 -0.5rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  border-radius: 4px;
}

.signal-svi {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 2ch;
}

.signal-svi-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.signal-svi-dot.level-9 { background: var(--svi-high); }
.signal-svi-dot.level-7 { background: var(--svi-medium-high); }
.signal-svi-dot.level-5 { background: var(--svi-medium); }
.signal-svi-dot.level-3 { background: var(--svi-low); }
.signal-svi-dot.level-0 { background: var(--svi-weak); opacity: 0.5; }

.signal-title {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.signal-meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* ==============================
   Section Group Labels
   ============================== */

.section-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--text-tertiary);
  padding: 0.75rem 0 0.375rem;
  border-bottom: 1px solid var(--border-medium);
  margin-bottom: 0.5rem;
}

.section-label-group {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-tertiary);
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--border-light);
}

/* ==============================
   Context Panel
   ============================== */

.context-section {
  margin-bottom: 1rem;
}

.context-section-title {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--text-tertiary);
  margin-bottom: 0.375rem;
}

.context-item {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
  padding: 0.25rem 0;
}

.context-item-link {
  color: var(--link);
  text-decoration: none;
}

.context-item-link:hover {
  text-decoration: underline;
}

/* ==============================
   Reflection Card
   ============================== */

.reflection-card {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
}

.reflection-card:last-child {
  border-bottom: none;
}

.reflection-date {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-tertiary);
}

.reflection-title {
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: 500;
  margin-top: 0.125rem;
}

.reflection-verdict {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  margin-top: 0.125rem;
}

.reflection-verdict.confirmed { color: var(--status-developing); }
.reflection-verdict.partial { color: var(--svi-medium); }
.reflection-verdict.refuted { color: var(--status-challenged); }
.reflection-verdict.inconclusive { color: var(--text-tertiary); }

/* ==============================
   Page title
   ============================== */

.page-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: 1rem;
  color: var(--text-primary);
}

/* ==============================
   Inline links
   ============================== */

a {
  color: inherit;
  text-decoration: none;
}

.link {
  color: var(--link);
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

/* ==============================
   Responsive
   ============================== */

@media (max-width: 1023px) {
  .workspace-context {
    display: none;
  }
}

@media (max-width: 767px) {
  .workspace-nav {
    display: none;
  }
  .workspace-main {
    padding: 1rem;
  }
}