/* ============================================================
   PersonalBrand OS — Design System
   Restrained corporate luxury: graphite navy ink, warm paper,
   muted gold accent. No neon, no blue/purple AI gradients.
   ============================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400;1,6..72,500&family=Hanken+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ============================================================
   Color tokens
   ============================================================ */
:root {
  --ink-900: #0B1220;
  --ink-800: #111827;
  --ink-700: #1B2433;
  --ink-600: #2A3547;
  --slate-600: #475569;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #C3C9D4;
  --paper-50:  #FBF9F5;
  --paper-100: #F7F4EF;
  --paper-200: #F1ECE3;
  --paper-300: #E8E1D5;
  --border-soft:   #DED8CE;
  --border-strong: #CFC7B8;
  --border-ink:    rgba(11,18,32,0.10);
  --gold-300: #D9C29A;
  --gold-400: #C6A572;
  --gold-500: #B08D57;
  --gold-600: #8F6F3D;
  --gold-700: #6E5530;
  --gold-wash: rgba(176,141,87,0.12);
  --gold-wash-strong: rgba(176,141,87,0.20);
  --success-500: #4F7A5E;
  --success-600: #3D6249;
  --success-wash: rgba(79,122,94,0.14);
  --danger-500:  #A8473C;
  --danger-600:  #8B3930;
  --danger-wash: rgba(168,71,60,0.12);
  --warning-500: #B5862F;
  --warning-600: #936A20;
  --warning-wash: rgba(181,134,47,0.14);
  --info-500:    #51647D;
  --info-wash:   rgba(81,100,125,0.12);

  /* Semantic */
  --bg-app:            var(--paper-100);
  --bg-app-ink:        var(--ink-900);
  --surface-card:      var(--paper-50);
  --surface-raised:    #FFFFFF;
  --surface-sunken:    var(--paper-200);
  --surface-hover:     var(--paper-300);
  --surface-ink:       var(--ink-800);
  --surface-ink-raised: var(--ink-700);
  --text-primary:    var(--ink-900);
  --text-secondary:  var(--slate-600);
  --text-tertiary:   var(--slate-500);
  --text-disabled:   var(--slate-400);
  --text-on-ink:     var(--paper-100);
  --text-on-ink-dim: var(--slate-300);
  --text-accent:     var(--gold-600);
  --text-accent-on-ink: var(--gold-400);
  --text-link:       var(--gold-600);
  --border-default:  var(--border-soft);
  --border-divider:  var(--border-strong);
  --border-on-ink:   rgba(255,255,255,0.10);
  --border-focus:    var(--gold-500);
  --icon-default:    var(--slate-600);
  --icon-muted:      var(--slate-500);
  --icon-accent:     var(--gold-500);
  --icon-on-ink:     var(--slate-300);
  --cta-bg:          var(--gold-500);
  --cta-bg-hover:    var(--gold-600);
  --cta-bg-active:   var(--gold-700);
  --cta-text:        var(--ink-900);
  --cta-disabled-bg: rgba(176,141,87,0.38);
  --cta-disabled-text: rgba(11,18,32,0.45);
  --control-bg:        var(--surface-raised);
  --control-bg-hover:  var(--paper-200);
  --control-border:    var(--border-soft);
  --control-text:      var(--ink-900);
  --focus-ring:        rgba(176,141,87,0.45);
  --focus-ring-width:  3px;
  --score-low:   var(--danger-500);
  --score-mid:   var(--gold-500);
  --score-high:  var(--success-500);
  --selection-bg: rgba(176,141,87,0.22);

  /* Typography */
  --font-serif: 'Newsreader', 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans:  'Hanken Grotesk', -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono:  'IBM Plex Mono', 'SF Mono', ui-monospace, 'Menlo', monospace;
  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semibold: 600;
  --fw-bold:    700;
  --h1-size: 52px; --h1-line: 1.06; --h1-spacing: -0.015em;
  --h2-size: 38px; --h2-line: 1.12; --h2-spacing: -0.012em;
  --h3-size: 27px; --h3-line: 1.20; --h3-spacing: -0.008em;
  --h4-size: 20px; --h4-line: 1.30; --h4-spacing: -0.004em;
  --body-lg-size: 18px; --body-lg-line: 1.62;
  --body-size:    15px; --body-line:    1.60;
  --body-sm-size: 13.5px; --body-sm-line: 1.55;
  --caption-size: 12px; --caption-line: 1.45;
  --overline-size: 11px; --overline-line: 1.3; --overline-spacing: 0.14em;
  --label-size: 12.5px; --label-line: 1.3; --label-spacing: 0.01em;
  --button-size: 13.5px; --button-line: 1; --button-spacing: 0.005em;
  --metric-lg-size: 34px; --metric-lg-line: 1.0;
  --metric-size:    22px; --metric-line: 1.05;

  /* Spacing */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-7: 32px; --space-8: 40px;
  --space-9: 48px; --space-10: 64px;
  --card-padding: 24px;
  --card-padding-sm: 16px;
  --card-gap: 16px;
  --module-padding: 32px;
  --sidebar-width: 244px;
  --topbar-height: 60px;

  /* Radius */
  --radius-xs: 4px; --radius-sm: 6px; --radius-md: 10px;
  --radius-lg: 14px; --radius-xl: 20px; --radius-pill: 999px;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(11,18,32,0.05);
  --shadow-sm:  0 1px 3px rgba(11,18,32,0.06), 0 1px 2px rgba(11,18,32,0.04);
  --shadow-md:  0 4px 14px rgba(11,18,32,0.07), 0 1px 3px rgba(11,18,32,0.05);
  --shadow-lg:  0 12px 32px rgba(11,18,32,0.10), 0 2px 8px rgba(11,18,32,0.06);
  --shadow-xl:  0 24px 60px rgba(11,18,32,0.16), 0 4px 14px rgba(11,18,32,0.08);
  --shadow-focus: 0 0 0 var(--focus-ring-width) var(--focus-ring);

  /* Motion */
  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast:  120ms;
  --dur-base:  200ms;
  --dur-slow:  320ms;
  --transition-control: background-color var(--dur-fast) var(--ease-standard),
                         border-color var(--dur-fast) var(--ease-standard),
                         color var(--dur-fast) var(--ease-standard),
                         box-shadow var(--dur-fast) var(--ease-standard);

  /* Legacy compat aliases (keep app.js working) */
  --bg:       var(--bg-app);
  --surface:  var(--surface-card);
  --surface2: var(--paper-200);
  --border:   var(--border-soft);
  --accent:   var(--gold-500);
  --accent2:  var(--gold-600);
  --success:  var(--success-500);
  --warn:     var(--warning-500);
  --danger:   var(--danger-500);
  --text:     var(--text-primary);
  --text2:    var(--text-secondary);
  --text3:    var(--text-tertiary);
  --radius:   var(--radius-md);
  --sidebar-w: var(--sidebar-width);
}

@media (prefers-reduced-motion: reduce) {
  :root { --dur-fast: 0ms; --dur-base: 0ms; --dur-slow: 0ms; }
}

::selection { background: var(--selection-bg); }

/* ============================================================
   Base resets
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: var(--body-size);
  line-height: var(--body-line);
  background: var(--bg-app);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-primary);
  font-weight: var(--fw-semibold);
  margin: 0;
}

p { margin: 0; }

a { color: var(--text-link); text-decoration: none; }
a:hover { color: var(--gold-700); }

button { font-family: var(--font-sans); cursor: pointer; }
code, kbd, samp, pre { font-family: var(--font-mono); }

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-sm);
}

hr { border: none; border-top: 1px solid var(--border-divider); margin: 16px 0; }

/* ============================================================
   App layout
   ============================================================ */
#app { display: flex; height: 100vh; overflow: hidden; }

/* ============================================================
   Sidebar — dark ink rail with gold active indicator
   ============================================================ */
#sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--ink-900);
  border-right: 1px solid var(--border-on-ink);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px 16px 14px;
  font-family: var(--font-serif);
  font-size: 14.5px;
  font-weight: var(--fw-semibold);
  color: var(--text-on-ink);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.25;
}

.sidebar-header .brand-mark {
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  background: var(--ink-700);
  border: 1px solid var(--border-on-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--gold-400);
  font-size: 14px;
  flex-shrink: 0;
}

.sidebar-header .brand-name {
  color: var(--text-on-ink);
  line-height: 1.2;
}
.sidebar-header .brand-name .os {
  display: block;
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-400);
  font-family: var(--font-sans);
  margin-top: 1px;
}

.sidebar-divider {
  height: 1px;
  background: var(--border-on-ink);
  margin: 0 14px 14px;
}

.sidebar-section {
  padding: 0 10px;
  margin-bottom: 18px;
}

.sidebar-section-label {
  padding: 0 4px;
  margin-bottom: 7px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px 9px 16px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  margin: 1px 0;
  color: var(--text-on-ink-dim);
  font-size: 13.5px;
  font-weight: var(--fw-medium);
  font-family: var(--font-sans);
  transition: var(--transition-control);
  user-select: none;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: var(--gold-500);
  border-radius: 0 2px 2px 0;
  transition: height var(--dur-base) var(--ease-out);
}

.nav-item:hover {
  background: rgba(255,255,255,0.035);
  color: var(--text-on-ink);
}

.nav-item.active {
  background: rgba(255,255,255,0.06);
  color: var(--text-on-ink);
  font-weight: var(--fw-semibold);
}

.nav-item.active::before { height: 18px; }

.nav-item .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--icon-on-ink);
}

.nav-item.active .icon { color: var(--gold-400); }

.nav-item svg { width: 16px; height: 16px; }

#user-badge-area {
  margin-top: auto;
  border-top: 1px solid var(--border-on-ink);
  padding: 12px 14px;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.user-avatar {
  width: 32px; height: 32px;
  border-radius: var(--radius-pill);
  background: var(--ink-700);
  border: 1px solid var(--border-on-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: var(--fw-semibold);
  color: var(--gold-400);
  flex-shrink: 0;
}

.user-badge-info { min-width: 0; flex: 1; }
.user-badge-name {
  font-size: 13px;
  font-weight: var(--fw-semibold);
  color: var(--text-on-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-badge-tier {
  font-size: 11px;
  color: var(--gold-400);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

/* ============================================================
   Main area
   ============================================================ */
#main { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--bg-app); }

#topbar {
  height: var(--topbar-height);
  background: var(--surface-card);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 12px;
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
}

#topbar h2 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.005em;
  color: var(--text-primary);
  flex: 1;
}

.profile-select {
  background: var(--control-bg);
  border: 1px solid var(--control-border);
  color: var(--control-text);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: var(--transition-control);
}
.profile-select:hover { border-color: var(--border-divider); }
.profile-select:focus { border-color: var(--border-focus); box-shadow: var(--shadow-focus); outline: none; }

.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success-500); }
.status-dot.err  { background: var(--danger-500); }
.status-dot.warn { background: var(--warning-500); }

#content { flex: 1; overflow-y: auto; padding: var(--module-padding); }

/* ============================================================
   Typography helpers
   ============================================================ */
.t-overline {
  font-family: var(--font-sans);
  font-size: var(--overline-size);
  line-height: var(--overline-line);
  letter-spacing: var(--overline-spacing);
  text-transform: uppercase;
  font-weight: var(--fw-semibold);
  color: var(--text-tertiary);
}

.t-metric {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum' 1;
  color: var(--text-primary);
}

/* ============================================================
   Cards
   ============================================================ */
h3 { font-size: 17px; font-weight: var(--fw-semibold); margin-bottom: 14px; letter-spacing: -0.004em; }
h4 { font-size: 14px; font-weight: var(--fw-medium); color: var(--text-secondary); margin-bottom: 8px; }

.card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--card-padding);
  margin-bottom: var(--card-gap);
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-family: var(--font-sans);
  font-size: var(--overline-size);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--overline-spacing);
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 14px;
}

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.row { display: flex; align-items: center; gap: 10px; }
.row.between { justify-content: space-between; }
.col { display: flex; flex-direction: column; gap: 8px; }
.spacer { flex: 1; }
.muted { color: var(--text-secondary); font-size: 13px; }
.small { font-size: 12px; }

/* ============================================================
   Buttons
   ============================================================ */
button, .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--button-size);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--button-spacing);
  transition: var(--transition-control);
}

button:disabled, .btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary {
  background: var(--cta-bg);
  color: var(--cta-text);
}
.btn-primary:hover:not(:disabled) { background: var(--cta-bg-hover); }
.btn-primary:active:not(:disabled) { background: var(--cta-bg-active); }

.btn-secondary {
  background: var(--control-bg);
  color: var(--control-text);
  border: 1px solid var(--control-border);
}
.btn-secondary:hover:not(:disabled) { background: var(--control-bg-hover); border-color: var(--border-divider); }

.btn-danger {
  background: var(--danger-wash);
  color: var(--danger-500);
  border: 1px solid rgba(168,71,60,0.25);
}
.btn-danger:hover:not(:disabled) { background: rgba(168,71,60,0.2); }

.btn-success {
  background: var(--success-wash);
  color: var(--success-500);
  border: 1px solid rgba(79,122,94,0.25);
}

.btn-sm { padding: 5px 12px; font-size: 12px; }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}
.btn-ghost:hover:not(:disabled) { background: var(--surface-hover); color: var(--text-primary); }

.icon-btn {
  background: transparent;
  border: none;
  color: var(--icon-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-control);
  font-size: 16px;
}
.icon-btn:hover { color: var(--text-primary); background: var(--surface-hover); }

/* ============================================================
   Forms
   ============================================================ */
input, textarea, select {
  background: var(--surface-raised);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 13.5px;
  font-family: var(--font-sans);
  width: 100%;
  outline: none;
  transition: var(--transition-control);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-focus);
}
textarea { resize: vertical; min-height: 80px; line-height: 1.55; }

label {
  font-family: var(--font-sans);
  font-size: var(--label-size);
  font-weight: var(--fw-medium);
  letter-spacing: var(--label-spacing);
  color: var(--text-secondary);
  margin-bottom: 5px;
  display: block;
}

.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
input[type=range] { padding: 0; background: none; border: none; box-shadow: none; }

::placeholder { color: var(--text-tertiary); }

/* ============================================================
   Pills & Badges
   ============================================================ */
.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.pill.draft     { background: var(--paper-200); color: var(--text-tertiary); border: 1px solid var(--border-default); }
.pill.approved  { background: var(--success-wash); color: var(--success-500); border: 1px solid rgba(79,122,94,0.2); }
.pill.scheduled { background: var(--info-wash); color: var(--info-500); border: 1px solid rgba(81,100,125,0.2); }
.pill.published { background: var(--success-wash); color: var(--success-500); border: 1px solid rgba(79,122,94,0.2); }
.pill.rejected  { background: var(--danger-wash); color: var(--danger-500); border: 1px solid rgba(168,71,60,0.2); }
.pill.high   { background: var(--danger-wash);  color: var(--danger-500); border: 1px solid rgba(168,71,60,0.2); }
.pill.medium { background: var(--warning-wash); color: var(--warning-500); border: 1px solid rgba(181,134,47,0.2); }
.pill.low    { background: var(--success-wash); color: var(--success-500); border: 1px solid rgba(79,122,94,0.2); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  background: var(--paper-200);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}
.badge.accent { background: var(--gold-wash); color: var(--gold-600); border-color: rgba(176,141,87,0.25); }

.score { font-size: 11px; font-weight: var(--fw-bold); font-family: var(--font-mono); }
.score.good { color: var(--success-500); }
.score.mid  { color: var(--warning-500); }
.score.bad  { color: var(--danger-500); }

/* ============================================================
   Tables
   ============================================================ */
table { width: 100%; border-collapse: collapse; }

th {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 7px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-divider);
}

td {
  padding: 11px 12px;
  border-top: 1px solid var(--border-default);
  font-size: 13.5px;
  vertical-align: middle;
  color: var(--text-secondary);
}

tr:hover td { background: var(--surface-hover); }

/* ============================================================
   Post cards
   ============================================================ */
.post-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
  box-shadow: var(--shadow-xs);
}
.post-card:hover {
  border-color: var(--gold-400);
  box-shadow: var(--shadow-sm);
}
.post-card .excerpt {
  color: var(--text-secondary);
  font-size: 13.5px;
  margin: 8px 0;
  line-height: 1.55;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.post-card .meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ============================================================
   Modal / Sheet
   ============================================================ */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(11,18,32,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(3px);
}
.overlay.hidden { display: none; }

.modal {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
  min-width: 480px;
  max-width: 680px;
  width: 90vw;
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
}
.modal-lg { max-width: 800px; }
.modal h3 { margin-bottom: 18px; }

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 18px;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-xs);
  transition: var(--transition-control);
}
.modal-close:hover { color: var(--text-primary); background: var(--surface-hover); }

/* ============================================================
   Toast
   ============================================================ */
#toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink-800);
  color: var(--text-on-ink);
  border: 1px solid var(--border-on-ink);
  border-radius: var(--radius-md);
  padding: 11px 22px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  z-index: 200;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-standard);
  pointer-events: none;
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
}
#toast.ok  { border-color: rgba(79,122,94,0.4); color: #8FC9A3; }
#toast.err { border-color: rgba(168,71,60,0.4); color: #E09087; }
#toast.show { opacity: 1; }

/* ============================================================
   Loading / Empty states
   ============================================================ */
.spinner {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-default);
  border-top-color: var(--gold-500);
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-block {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-tertiary);
  gap: 12px;
  font-size: 14px;
}

.empty {
  color: var(--text-tertiary);
  text-align: center;
  padding: 48px 20px;
  font-size: 14px;
}

/* ============================================================
   Progress bar
   ============================================================ */
.progress-bar {
  background: var(--paper-200);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  height: 6px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--gold-500);
  border-radius: var(--radius-pill);
  transition: width .4s var(--ease-out);
}

/* ============================================================
   Chat (Strategy Interview)
   ============================================================ */
.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 380px;
  overflow-y: auto;
  padding: 4px 0;
}

.chat-bubble {
  max-width: 82%;
  padding: 11px 15px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  line-height: 1.55;
}

.chat-bubble.assistant {
  background: var(--surface-raised);
  border: 1px solid var(--border-default);
  align-self: flex-start;
  border-bottom-left-radius: var(--radius-xs);
  box-shadow: var(--shadow-xs);
}

.chat-bubble.user {
  background: var(--ink-800);
  border: 1px solid var(--border-on-ink);
  color: var(--text-on-ink);
  align-self: flex-end;
  border-bottom-right-radius: var(--radius-xs);
}

.chat-input-row { display: flex; gap: 8px; margin-top: 12px; }
.chat-input-row textarea { min-height: 42px; max-height: 100px; resize: none; }

/* ============================================================
   Content Studio
   ============================================================ */
.studio-layout {
  display: grid;
  grid-template-columns: 220px 1fr 260px;
  gap: 0;
  height: calc(100vh - 100px);
}

.studio-panel {
  border-right: 1px solid var(--border-default);
  overflow-y: auto;
  padding: 16px;
  background: var(--surface-card);
}
.studio-panel:last-child { border-right: none; }

.studio-editor { padding: 20px; overflow-y: auto; }
.studio-editor textarea { min-height: 300px; font-size: 14px; line-height: 1.6; }

.format-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  border: 1px solid transparent;
  margin-bottom: 4px;
  background: none;
  width: 100%;
  text-align: left;
  transition: var(--transition-control);
}
.format-btn:hover { background: var(--surface-hover); color: var(--text-primary); }
.format-btn.active { background: var(--gold-wash); color: var(--gold-600); border-color: rgba(176,141,87,0.2); }

/* ============================================================
   Analytics
   ============================================================ */
.stat-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.stat-card .value {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  font-feature-settings: 'tnum' 1;
  line-height: 1;
}
.stat-card .label {
  font-family: var(--font-sans);
  font-size: var(--overline-size);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--overline-spacing);
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bar-label { min-width: 90px; font-size: 12px; color: var(--text-tertiary); }
.bar-track { flex: 1; background: var(--paper-200); border-radius: var(--radius-pill); height: 6px; }
.bar-fill  { height: 100%; background: var(--gold-500); border-radius: var(--radius-pill); }
.bar-val   { min-width: 40px; text-align: right; font-size: 12px; font-family: var(--font-mono); color: var(--text-secondary); }

/* ============================================================
   Wizard steps
   ============================================================ */
.steps { display: flex; gap: 0; margin-bottom: 24px; }
.step {
  flex: 1;
  text-align: center;
  padding: 10px 6px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: var(--fw-semibold);
  color: var(--text-tertiary);
  border-bottom: 2px solid var(--border-default);
  transition: var(--transition-control);
}
.step.active { color: var(--gold-600); border-color: var(--gold-500); }
.step.done   { color: var(--success-500); border-color: var(--success-500); }

/* ============================================================
   Tabs
   ============================================================ */
.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-default);
}

.tab {
  padding: 9px 18px;
  border-radius: 0;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: var(--fw-medium);
  color: var(--text-tertiary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--transition-control);
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--gold-600);
  border-bottom-color: var(--gold-500);
  font-weight: var(--fw-semibold);
}

/* ============================================================
   Section header
   ============================================================ */
.section-header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.section-header h3 { margin: 0; }
.section-header .sub { color: var(--text-tertiary); font-size: 13.5px; }

/* ============================================================
   Misc
   ============================================================ */
pre {
  background: var(--paper-200);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 12.5px;
  overflow-x: auto;
  white-space: pre-wrap;
  color: var(--text-primary);
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--slate-400); }

/* ============================================================
   Auth screen
   ============================================================ */
#auth-screen {
  position: fixed;
  inset: 0;
  background: var(--paper-200);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.auth-wrap { width: 100%; max-width: 400px; padding: 20px; }

.auth-card {
  background: var(--surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 40px 36px 32px;
  box-shadow: var(--shadow-xl);
}

/* Monogram mark above wordmark */
.auth-logo-mark {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--ink-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: var(--fw-semibold);
  color: var(--gold-400);
  margin: 0 auto 20px;
  box-shadow: var(--shadow-md);
  letter-spacing: -0.02em;
}

.auth-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.012em;
  text-align: center;
  margin-bottom: 6px;
  color: var(--text-primary);
  line-height: 1.2;
}
.auth-logo .os {
  color: var(--gold-500);
  font-style: italic;
}

.auth-tagline {
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 28px;
  line-height: 1.5;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.auth-tabs { display: flex; gap: 0; margin-bottom: 22px; border-bottom: 1px solid var(--border-default); }
.auth-tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  color: var(--text-tertiary);
  padding: 9px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: var(--transition-control);
}
.auth-tab.active { color: var(--gold-600); border-bottom-color: var(--gold-500); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .studio-layout { grid-template-columns: 1fr; }
  .studio-panel { border-right: none; border-bottom: 1px solid var(--border-default); }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  #content { padding: 16px; }
}