/* ==========================================================================
   TechNative Service Portal — portal.css
   Plain, framework-free CSS. Custom properties only. No build step.
   Light + dark themes via [data-theme]; accent swap via [data-accent];
   density via [data-density]; nav layout via [data-nav].
   Set those on <body class="portal">.
   ========================================================================== */

/* ---- Self-hosted Inter (no CDN). If the file is absent, the system fallback
   stack in --tn-font still renders correctly. The url() is relative to this
   stylesheet so it works regardless of STATIC_URL. ----------------------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("../fonts/Inter-roman.var.woff2") format("woff2");
}

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */
:root {
  /* Brand primitives (constant across themes) */
  --tn-navy:        #112F41;
  --tn-navy-2:      #0c2433;
  --tn-navy-3:      #15384d;
  --tn-gold:        #F1B034;
  --tn-gold-2:      #d99a26;   /* gold hover / pressed */
  --tn-gold-soft:   rgba(241,176,52,0.16);

  /* Accent (overridable by [data-accent]) — used for active states, focus,
     key figures, the primary button. Default = brand gold. */
  --tn-accent:      var(--tn-gold);
  --tn-accent-2:    var(--tn-gold-2);
  --tn-accent-soft: var(--tn-gold-soft);
  --tn-accent-ink:  var(--tn-navy);   /* text that sits ON the accent */

  /* Typography */
  --tn-font: "Inter", "Helvetica Neue", Helvetica, system-ui, -apple-system, sans-serif;
  --tn-font-mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;

  /* Spacing scale */
  --tn-1: 4px;  --tn-2: 8px;  --tn-3: 12px; --tn-4: 16px;
  --tn-5: 20px; --tn-6: 24px; --tn-7: 32px; --tn-8: 40px;
  --tn-9: 48px; --tn-10: 64px;

  /* Radii */
  --tn-r-sm: 6px;
  --tn-r-md: 10px;
  --tn-r-lg: 14px;
  --tn-r-pill: 999px;

  /* Density knob — paddings inside cards/cells scale off these */
  --tn-pad-y: 14px;
  --tn-pad-x: 18px;
  --tn-cell-y: 11px;

  /* Layout */
  --tn-sidebar-w: 260px;
  --tn-header-h: 64px;
  --tn-content-max: 1080px;

  /* Motion */
  --tn-ease: cubic-bezier(.4,0,.2,1);
  --tn-fast: 120ms;
  --tn-med: 200ms;
}

/* density: compact */
[data-density="compact"] {
  --tn-pad-y: 10px;
  --tn-pad-x: 14px;
  --tn-cell-y: 7px;
  --tn-header-h: 56px;
}

/* ---- Accent variants ---- */
[data-accent="teal"] {
  --tn-accent:      #2BB6A3;
  --tn-accent-2:    #1f9485;
  --tn-accent-soft: rgba(43,182,163,0.16);
  --tn-accent-ink:  #042b27;
}
[data-accent="sky"] {
  --tn-accent:      #4AA3E0;
  --tn-accent-2:    #2f86c4;
  --tn-accent-soft: rgba(74,163,224,0.16);
  --tn-accent-ink:  #04243a;
}

/* ==========================================================================
   2. THEMES (semantic colors)
   ========================================================================== */
:root,
[data-theme="light"] {
  --tn-bg:          #f4f7f9;
  --tn-surface:     #ffffff;
  --tn-surface-2:   #eef2f5;   /* table head, raised alt, code */
  --tn-ink:         #14222e;
  --tn-ink-soft:    #33424f;
  --tn-muted:       #5a6772;
  --tn-faint:       #8a97a2;
  --tn-border:      #e1e6ea;
  --tn-border-2:    #d2dae0;
  --tn-link:        #0c6e83;
  --tn-link-hover:  #08566a;

  /* App chrome — navy sidebar even in light mode (classic dashboard) */
  --tn-sidebar-bg:        var(--tn-navy);
  --tn-sidebar-edge:      rgba(255,255,255,0.06);
  --tn-sidebar-ink:       rgba(255,255,255,0.92);
  --tn-sidebar-muted:     rgba(255,255,255,0.52);
  --tn-sidebar-hover:     rgba(255,255,255,0.06);
  --tn-sidebar-active-bg: rgba(241,176,52,0.14);

  --tn-header-bg:    rgba(255,255,255,0.85);
  --tn-header-bd:    var(--tn-border);
  --tn-footer-bg:    var(--tn-surface);

  /* Status */
  --tn-success:     #1c8a5a;  --tn-success-bg: #e6f4ec;  --tn-success-bd:#b6e0c8;
  --tn-danger:      #c2392b;  --tn-danger-bg:  #fbeae8;  --tn-danger-bd: #f1c4bd;
  --tn-info:        #2a6f9e;  --tn-info-bg:    #e7f1f8;  --tn-info-bd:   #bedaeb;
  --tn-warn:        #9a6a05;  --tn-warn-bg:    #fdf3dd;  --tn-warn-bd:   #f0d99a;

  --tn-shadow-sm: 0 1px 2px rgba(17,47,65,0.06), 0 1px 3px rgba(17,47,65,0.05);
  --tn-shadow-md: 0 6px 18px rgba(17,47,65,0.08), 0 2px 6px rgba(17,47,65,0.05);
  --tn-shadow-lg: 0 18px 48px rgba(17,47,65,0.16);
  color-scheme: light;
}

[data-theme="dark"] {
  --tn-bg:          #0b1620;
  --tn-surface:     #122430;
  --tn-surface-2:   #0e1d27;
  --tn-ink:         #e8eef2;
  --tn-ink-soft:    #c3ced6;
  --tn-muted:       #93a4b0;
  --tn-faint:       #6b7d89;
  --tn-border:      #213340;
  --tn-border-2:    #2b3f4d;
  --tn-link:        #5ec5dd;
  --tn-link-hover:  #8ad7e8;

  --tn-sidebar-bg:        #081019;
  --tn-sidebar-edge:      rgba(255,255,255,0.05);
  --tn-sidebar-ink:       rgba(255,255,255,0.90);
  --tn-sidebar-muted:     rgba(255,255,255,0.46);
  --tn-sidebar-hover:     rgba(255,255,255,0.05);
  --tn-sidebar-active-bg: rgba(241,176,52,0.16);

  --tn-header-bg:    rgba(18,36,48,0.85);
  --tn-header-bd:    var(--tn-border);
  --tn-footer-bg:    var(--tn-surface-2);

  --tn-success:     #43c187;  --tn-success-bg: #102a20;  --tn-success-bd:#1f5640;
  --tn-danger:      #f08272;  --tn-danger-bg:  #2c1614;  --tn-danger-bd: #5e2b25;
  --tn-info:        #6cb6e6;  --tn-info-bg:    #102531;  --tn-info-bd:   #1f455c;
  --tn-warn:        #e6b84e;  --tn-warn-bg:    #2a2110;  --tn-warn-bd:   #5a481f;

  --tn-shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --tn-shadow-md: 0 8px 24px rgba(0,0,0,0.45);
  --tn-shadow-lg: 0 20px 56px rgba(0,0,0,0.55);
  color-scheme: dark;
}

/* ==========================================================================
   3. RESET / BASE
   ========================================================================== */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.portal {
  margin: 0;
  font-family: var(--tn-font);
  background: var(--tn-bg);
  color: var(--tn-ink);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}
h1,h2,h3,h4,h5,h6 { margin: 0; font-weight: 700; letter-spacing: -0.018em; color: var(--tn-ink); }
p { margin: 0; }
a { color: var(--tn-link); text-decoration: none; }
a:hover { color: var(--tn-link-hover); text-decoration: underline; }
img, svg { display: block; }
::selection { background: var(--tn-accent-soft); }

/* Universal visible focus */
:focus-visible {
  outline: 2px solid var(--tn-accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ==========================================================================
   4. APP SHELL  (sidebar + main, with top header)
   ========================================================================== */
.portal-shell {
  display: grid;
  grid-template-columns: var(--tn-sidebar-w) 1fr;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.portal-sidebar {
  background: var(--tn-sidebar-bg);
  color: var(--tn-sidebar-ink);
  border-right: 1px solid var(--tn-sidebar-edge);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: thin;
}
.portal-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 18px 20px;
  text-decoration: none;
  color: #fff;
  border-bottom: 1px solid var(--tn-sidebar-edge);
}
.portal-brand:hover { text-decoration: none; }
.portal-brand-mark {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  color: var(--tn-accent);
}
.portal-brand-mark svg { width: 100%; height: 100%; }
.portal-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.portal-brand-name {
  font-size: 17px; font-weight: 700; letter-spacing: -0.01em; color: #fff;
}
.portal-tagline {
  font-size: 10.5px; color: var(--tn-sidebar-muted);
  letter-spacing: 0.01em; margin-top: 2px;
}

.portal-nav { padding: 12px 12px 24px; flex: 1; }
.portal-nav-section { margin-bottom: 18px; }
.portal-nav-section-title {
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--tn-sidebar-muted);
  padding: 6px 12px; margin: 0;
}
.portal-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 1px 0;
  border-radius: var(--tn-r-sm);
  color: var(--tn-sidebar-ink);
  font-size: 14px; font-weight: 500;
  text-decoration: none;
  position: relative;
  border-left: 3px solid transparent;
  transition: background var(--tn-fast) var(--tn-ease);
}
.portal-nav a .nav-ico {
  flex: 0 0 auto; width: 18px; height: 18px; opacity: 0.8;
}
.portal-nav a:hover { background: var(--tn-sidebar-hover); text-decoration: none; }
.portal-nav a.is-active {
  background: var(--tn-sidebar-active-bg);
  border-left-color: var(--tn-accent);
  color: #fff;
}
.portal-nav a.is-active .nav-ico { opacity: 1; color: var(--tn-accent); }
/* Private (login-required) marker — never colour-only: lock glyph + text */
.portal-nav a.is-private .nav-lock {
  margin-left: auto; flex: 0 0 auto; width: 13px; height: 13px;
  opacity: 0.6;
}
.portal-nav a.is-private:hover .nav-lock { opacity: 0.9; }
.portal-nav-empty {
  padding: 14px 12px; font-size: 13px; color: var(--tn-sidebar-muted);
  line-height: 1.5;
}

/* ---- Main column ---- */
.portal-main { display: flex; flex-direction: column; min-width: 0; }

.portal-header {
  height: var(--tn-header-h);
  display: flex; align-items: center; gap: 14px;
  padding: 0 var(--tn-6);
  background: var(--tn-header-bg);
  border-bottom: 1px solid var(--tn-header-bd);
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: saturate(160%) blur(8px);
}
.portal-header-title { font-size: 16px; font-weight: 600; color: var(--tn-ink); }
.portal-header-crumb { font-size: 12.5px; color: var(--tn-muted); font-weight: 500; }
.portal-header-spacer { flex: 1; }
.portal-header-actions { display: flex; align-items: center; gap: 10px; }

.portal-nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--tn-border);
  border-radius: var(--tn-r-sm); color: var(--tn-ink); cursor: pointer;
}
.portal-nav-toggle svg { width: 20px; height: 20px; }

/* Search box in header */
.portal-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--tn-surface); border: 1px solid var(--tn-border);
  border-radius: var(--tn-r-pill); padding: 7px 14px;
  min-width: 220px; color: var(--tn-muted);
}
.portal-search svg { width: 16px; height: 16px; flex: 0 0 auto; }
.portal-search input {
  border: 0; background: transparent; color: var(--tn-ink);
  font: inherit; font-size: 13.5px; width: 100%; outline: none;
}
.portal-search input::placeholder { color: var(--tn-faint); }

/* Icon button (theme toggle etc.) */
.portal-iconbtn {
  width: 40px; height: 40px; border-radius: var(--tn-r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--tn-border);
  color: var(--tn-ink-soft); cursor: pointer;
  transition: background var(--tn-fast), border-color var(--tn-fast);
}
.portal-iconbtn:hover { background: var(--tn-surface-2); border-color: var(--tn-border-2); }
.portal-iconbtn svg { width: 19px; height: 19px; }

/* User chip / avatar */
.portal-user {
  display: flex; align-items: center; gap: 9px;
  padding: 5px 10px 5px 5px; border-radius: var(--tn-r-pill);
  border: 1px solid var(--tn-border); background: var(--tn-surface);
  cursor: pointer; color: var(--tn-ink);
}
.portal-user:hover { border-color: var(--tn-border-2); }
.portal-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--tn-navy); color: #fff;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700; letter-spacing: 0.02em;
}
.portal-user-name { font-size: 13.5px; font-weight: 600; }
.portal-user-org { font-size: 11px; color: var(--tn-muted); }

/* ---- Content + footer ---- */
.portal-content {
  flex: 1;
  padding: var(--tn-7) var(--tn-6);
}
.portal-content-inner { max-width: var(--tn-content-max); margin: 0 auto; }

.portal-footer {
  background: var(--tn-footer-bg);
  border-top: 1px solid var(--tn-border);
  padding: 16px var(--tn-6);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 12px; color: var(--tn-muted); flex-wrap: wrap;
}
.portal-footer a { color: var(--tn-muted); }
.portal-footer a:hover { color: var(--tn-link); }
.portal-footer-creds { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.portal-footer-creds .pipe { color: var(--tn-border-2); }
.portal-footer .aws-lockup {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.04em; color: var(--tn-faint);
  text-transform: uppercase; font-weight: 600;
}

/* ==========================================================================
   5. HTMX LOADING INDICATOR  (#portal-loading)
   ========================================================================== */
.portal-loading {
  position: fixed; top: 0; left: 0; right: 0; height: 3px;
  z-index: 60; pointer-events: none;
  opacity: 0; transition: opacity var(--tn-med);
}
.portal-loading.htmx-request { opacity: 1; }
.portal-loading::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, var(--tn-accent), transparent);
  background-size: 40% 100%; background-repeat: no-repeat;
  animation: tn-bar 1s var(--tn-ease) infinite;
}
@keyframes tn-bar {
  0%   { background-position: -40% 0; }
  100% { background-position: 140% 0; }
}
.portal-spinner {
  position: fixed; top: 14px; right: 18px; z-index: 61;
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--tn-accent-soft); border-top-color: var(--tn-accent);
  opacity: 0; transition: opacity var(--tn-med);
}
.portal-loading.htmx-request .portal-spinner,
.portal-loading.htmx-request ~ .portal-spinner { opacity: 1; animation: tn-spin .7s linear infinite; }
@keyframes tn-spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   6. IMPERSONATION (hijack) BANNER
   ========================================================================== */
.hijack-banner {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: repeating-linear-gradient(
      135deg, var(--tn-gold) 0 18px, var(--tn-gold-2) 18px 36px);
  color: var(--tn-navy);
  padding: 9px 18px;
  font-size: 13px; font-weight: 600;
  border-bottom: 2px solid var(--tn-navy);
  position: sticky; top: 0; z-index: 50;
}
.hijack-banner .hijack-ico { width: 18px; height: 18px; flex: 0 0 auto; }
.hijack-banner strong { font-weight: 800; }
.hijack-banner .hijack-stop {
  margin-left: auto;
  background: var(--tn-navy); color: #fff;
  border: 0; border-radius: var(--tn-r-sm);
  padding: 6px 14px; font: inherit; font-size: 12.5px; font-weight: 700;
  cursor: pointer;
}
.hijack-banner .hijack-stop:hover { background: var(--tn-navy-2); }

/* ==========================================================================
   7. BUTTONS
   ========================================================================== */
.btn, button.btn, a.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 14px; font-weight: 600; line-height: 1;
  padding: 11px 18px; border-radius: var(--tn-r-sm);
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background var(--tn-fast), border-color var(--tn-fast), color var(--tn-fast);
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--tn-accent); color: var(--tn-accent-ink); }
.btn-primary:hover { background: var(--tn-accent-2); color: var(--tn-accent-ink); }
.btn-secondary {
  background: transparent; color: var(--tn-ink); border-color: var(--tn-border-2);
}
.btn-secondary:hover { background: var(--tn-surface-2); border-color: var(--tn-muted); }
.btn-ghost { background: transparent; color: var(--tn-link); padding-left: 8px; padding-right: 8px; }
.btn-ghost:hover { background: var(--tn-surface-2); }
.btn-danger { background: var(--tn-danger); color: #fff; }
.btn-danger:hover { filter: brightness(0.94); }
.btn:disabled, .btn[aria-disabled="true"], .btn.is-disabled {
  opacity: 0.5; cursor: not-allowed; pointer-events: none;
}
.btn-sm { padding: 7px 12px; font-size: 12.5px; }
.btn-lg { padding: 14px 24px; font-size: 15px; }
.btn-block { width: 100%; }

/* ==========================================================================
   8. FORM CONTROLS
   ========================================================================== */
.field { margin-bottom: var(--tn-4); }
.field > label, label.field-label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--tn-ink); margin-bottom: 6px;
}
.field .hint { font-size: 12px; color: var(--tn-muted); margin-top: 5px; }
.field-row { display: flex; gap: var(--tn-4); flex-wrap: wrap; }
.field-row > .field { flex: 1; min-width: 180px; }

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="search"], input[type="url"],
input[type="tel"], input[type="date"], select, textarea {
  width: 100%; font-family: inherit; font-size: 14px; color: var(--tn-ink);
  background: var(--tn-surface);
  border: 1px solid var(--tn-border-2); border-radius: var(--tn-r-sm);
  padding: 10px 12px; line-height: 1.4;
  transition: border-color var(--tn-fast), box-shadow var(--tn-fast);
}
textarea { resize: vertical; min-height: 88px; }
input::placeholder, textarea::placeholder { color: var(--tn-faint); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--tn-accent);
  box-shadow: 0 0 0 3px var(--tn-accent-soft);
}
input:disabled, select:disabled, textarea:disabled {
  background: var(--tn-surface-2); color: var(--tn-muted); cursor: not-allowed;
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6772' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  padding-right: 34px;
}
.input-affix { position: relative; }
.input-affix .affix {
  position: absolute; top: 50%; transform: translateY(-50%); left: 12px;
  color: var(--tn-muted); font-size: 14px; pointer-events: none;
}
.input-affix input { padding-left: 28px; }

/* Validation */
.field.has-error input, .field.has-error select, .field.has-error textarea {
  border-color: var(--tn-danger);
}
.field.has-error input:focus { box-shadow: 0 0 0 3px var(--tn-danger-bg); }
.field-error {
  display: flex; align-items: center; gap: 6px;
  font-size: 12.5px; color: var(--tn-danger); margin-top: 6px; font-weight: 500;
}
.field-error svg { width: 14px; height: 14px; flex: 0 0 auto; }

input[type="checkbox"], input[type="radio"] { accent-color: var(--tn-accent); width: 16px; height: 16px; }
.check {
  display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--tn-ink-soft);
}

/* ==========================================================================
   9. CARDS  (generic + module-overview)
   ========================================================================== */
.card {
  background: var(--tn-surface); border: 1px solid var(--tn-border);
  border-radius: var(--tn-r-lg); box-shadow: var(--tn-shadow-sm);
  padding: var(--tn-pad-y) var(--tn-pad-x);
}
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: var(--tn-3); }
.card-head h3 { font-size: 16px; }

.module-overview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--tn-5);
}
.module-card {
  background: var(--tn-surface); border: 1px solid var(--tn-border);
  border-radius: var(--tn-r-lg); padding: 20px 20px 18px;
  box-shadow: var(--tn-shadow-sm);
  display: flex; flex-direction: column; gap: 8px;
  position: relative; isolation: isolate;
  transition: transform var(--tn-med) var(--tn-ease),
              box-shadow var(--tn-med) var(--tn-ease),
              border-color var(--tn-med);
}
.module-card:hover { transform: translateY(-2px); box-shadow: var(--tn-shadow-md); border-color: var(--tn-border-2); }
.module-card-ico {
  width: 40px; height: 40px; border-radius: var(--tn-r-md);
  background: var(--tn-accent-soft); color: var(--tn-accent);
  display: grid; place-items: center; margin-bottom: 4px;
}
.module-card-ico svg { width: 22px; height: 22px; }
.module-card h3 { font-size: 16.5px; }
.module-card h3 a { color: var(--tn-ink); text-decoration: none; }
.module-card h3 a::after { content: ""; position: absolute; inset: 0; } /* whole-card click */
.module-card:hover h3 a { color: var(--tn-link); }
.module-card p { font-size: 13.5px; color: var(--tn-muted); line-height: 1.5; }
.module-card .module-card-foot {
  margin-top: auto; padding-top: 12px;
  display: flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; color: var(--tn-link);
}
.module-card .module-card-foot svg { width: 15px; height: 15px; }
.module-badge {
  display: inline-flex; align-items: center; gap: 5px;
  align-self: flex-start;
  font-size: 11px; font-weight: 700; letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 3px 9px; border-radius: var(--tn-r-pill);
  background: var(--tn-surface-2); color: var(--tn-muted);
  border: 1px solid var(--tn-border);
}
.module-badge svg { width: 11px; height: 11px; }
.module-badge.is-public { color: var(--tn-success); background: var(--tn-success-bg); border-color: var(--tn-success-bd); }

/* Generic badge / tag */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 700; padding: 3px 9px;
  border-radius: var(--tn-r-pill); background: var(--tn-surface-2);
  color: var(--tn-muted); border: 1px solid var(--tn-border);
}
.badge.b-success { color: var(--tn-success); background: var(--tn-success-bg); border-color: var(--tn-success-bd); }
.badge.b-danger  { color: var(--tn-danger);  background: var(--tn-danger-bg);  border-color: var(--tn-danger-bd); }
.badge.b-info    { color: var(--tn-info);     background: var(--tn-info-bg);     border-color: var(--tn-info-bd); }
.badge.b-accent  { color: var(--tn-accent-ink); background: var(--tn-accent); border-color: transparent; }

/* ==========================================================================
   10. LANDING
   ========================================================================== */
.landing { display: flex; flex-direction: column; gap: var(--tn-7); }
.landing-hero {
  display: flex; flex-direction: column; gap: 10px;
  padding-bottom: 4px;
}
.landing-hero .eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--tn-accent);
}
.landing-hero h1 { font-size: 30px; line-height: 1.1; }
.landing-hero p { font-size: 15.5px; color: var(--tn-muted); max-width: 60ch; }
.section-title {
  display: flex; align-items: baseline; gap: 12px; margin-bottom: var(--tn-4);
}
.section-title h2 { font-size: 15px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--tn-ink-soft); }
.section-title .count { font-size: 12.5px; color: var(--tn-faint); font-weight: 600; }
.landing-note {
  font-size: 13px; color: var(--tn-muted);
  background: var(--tn-info-bg); border: 1px solid var(--tn-info-bd);
  border-radius: var(--tn-r-md); padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
}
.landing-note svg { width: 18px; height: 18px; color: var(--tn-info); flex: 0 0 auto; }

/* ==========================================================================
   11. MODULE PAGES — default styling for plain HTML in <section class="module">
   ========================================================================== */
.module { max-width: 860px; }
.module > h1 { font-size: 26px; margin-bottom: var(--tn-3); }
.module > h2 { font-size: 20px; margin: var(--tn-7) 0 var(--tn-3); }
.module > h3 { font-size: 16.5px; margin: var(--tn-6) 0 var(--tn-2); }
.module > p { margin: 0 0 var(--tn-4); color: var(--tn-ink-soft); }
.module > p.lead { font-size: 16.5px; color: var(--tn-muted); }
.module a:not(.btn) { color: var(--tn-link); text-decoration: underline; text-underline-offset: 2px; }
.module ul, .module ol { margin: 0 0 var(--tn-4); padding-left: 22px; color: var(--tn-ink-soft); }
.module li { margin: 4px 0; }
.module ul li::marker { color: var(--tn-accent); }
.module hr { border: 0; border-top: 1px solid var(--tn-border); margin: var(--tn-6) 0; }
.module blockquote {
  margin: var(--tn-4) 0; padding: 4px 0 4px 18px;
  border-left: 3px solid var(--tn-accent); color: var(--tn-ink-soft); font-style: italic;
}
.module code {
  font-family: var(--tn-font-mono); font-size: 0.88em;
  background: var(--tn-surface-2); border: 1px solid var(--tn-border);
  border-radius: 5px; padding: 1px 6px;
}
.module pre {
  font-family: var(--tn-font-mono); font-size: 13px;
  background: var(--tn-surface-2); border: 1px solid var(--tn-border);
  border-radius: var(--tn-r-md); padding: 14px 16px; overflow-x: auto; margin: 0 0 var(--tn-4);
}
.module pre code { background: none; border: 0; padding: 0; }

/* Key/value pairs (My Account) */
.kv {
  display: grid; grid-template-columns: max-content 1fr; gap: 10px 24px;
  margin: 0 0 var(--tn-5);
}
.kv dt { font-size: 12.5px; font-weight: 600; color: var(--tn-muted); text-transform: uppercase; letter-spacing: 0.04em; align-self: center; }
.kv dd { margin: 0; font-size: 14.5px; color: var(--tn-ink); font-weight: 500; }

/* ==========================================================================
   12. TABLES  (data-dense, for engineers)
   ========================================================================== */
.module table, table.tn-table {
  width: 100%; border-collapse: collapse; font-size: 13.5px;
  margin: 0 0 var(--tn-5);
  background: var(--tn-surface);
  border: 1px solid var(--tn-border); border-radius: var(--tn-r-md);
  overflow: hidden;
}
.module th, .module td, table.tn-table th, table.tn-table td {
  text-align: left; padding: var(--tn-cell-y) 14px;
  border-bottom: 1px solid var(--tn-border);
}
.module thead th, table.tn-table thead th {
  background: var(--tn-surface-2); color: var(--tn-muted);
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  border-bottom: 1px solid var(--tn-border-2);
}
.module tbody tr:last-child td, table.tn-table tbody tr:last-child td { border-bottom: 0; }
.module tbody tr:hover td, table.tn-table tbody tr:hover td { background: var(--tn-surface-2); }
.tn-table .num, .module td.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ==========================================================================
   13. ALERTS / MESSAGES  (django messages + chat errors)
   ========================================================================== */
.alert {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 12px 16px; border-radius: var(--tn-r-md);
  border: 1px solid; font-size: 13.5px; line-height: 1.5;
  margin: 0 0 var(--tn-4);
}
.alert svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 1px; }
.alert strong { font-weight: 700; }
.alert-success { background: var(--tn-success-bg); border-color: var(--tn-success-bd); color: var(--tn-success); }
.alert-danger  { background: var(--tn-danger-bg);  border-color: var(--tn-danger-bd);  color: var(--tn-danger); }
.alert-info    { background: var(--tn-info-bg);     border-color: var(--tn-info-bd);     color: var(--tn-info); }
.alert-warn    { background: var(--tn-warn-bg);     border-color: var(--tn-warn-bd);     color: var(--tn-warn); }
.alert .alert-body { color: var(--tn-ink-soft); }
.alert .alert-body strong { color: var(--tn-ink); }

/* ==========================================================================
   14. CALCULATOR module
   ========================================================================== */
.calc-grid { display: grid; grid-template-columns: 1fr 320px; gap: var(--tn-6); align-items: start; }
.calc-result {
  background: var(--tn-surface); border: 1px solid var(--tn-border);
  border-radius: var(--tn-r-lg); padding: 22px; box-shadow: var(--tn-shadow-sm);
}
.calc-result .calc-figure {
  font-size: 40px; font-weight: 800; letter-spacing: -0.03em;
  color: var(--tn-accent); font-variant-numeric: tabular-nums; line-height: 1;
}
.calc-result .calc-figure .u { font-size: 20px; font-weight: 700; }
.calc-result .calc-cap { font-size: 13px; color: var(--tn-muted); margin-top: 6px; }
.calc-breakdown { margin-top: 16px; border-top: 1px solid var(--tn-border); padding-top: 14px; }
.calc-breakdown .row { display: flex; justify-content: space-between; font-size: 13px; padding: 5px 0; }
.calc-breakdown .row span:last-child { font-weight: 600; font-variant-numeric: tabular-nums; }
.calc-placeholder { color: var(--tn-faint); font-size: 13.5px; text-align: center; padding: 30px 10px; }

/* ==========================================================================
   15. AI CHAT module
   ========================================================================== */
.chat { display: flex; flex-direction: column; height: min(60vh, 560px);
  border: 1px solid var(--tn-border); border-radius: var(--tn-r-lg);
  background: var(--tn-surface); overflow: hidden; box-shadow: var(--tn-shadow-sm); }
#chat-log, .chat-log {
  flex: 1; overflow-y: auto; padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
}
.chat-msg {
  max-width: 76%; padding: 11px 15px; border-radius: 14px;
  font-size: 14px; line-height: 1.5;
}
.chat-msg.chat-user {
  align-self: flex-end; background: var(--tn-navy); color: #fff;
  border-bottom-right-radius: 4px;
}
[data-accent="teal"] .chat-msg.chat-user,
[data-accent="sky"]  .chat-msg.chat-user { background: var(--tn-navy); }
.chat-msg.chat-bot {
  align-self: flex-start; background: var(--tn-surface-2);
  color: var(--tn-ink); border: 1px solid var(--tn-border);
  border-bottom-left-radius: 4px;
}
.chat-msg.chat-error {
  align-self: stretch; max-width: 100%;
  background: var(--tn-danger-bg); border: 1px solid var(--tn-danger-bd);
  color: var(--tn-danger); font-size: 13px;
  display: flex; align-items: center; gap: 8px;
}
.chat-msg.chat-error svg { width: 16px; height: 16px; }
.chat-role { font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; opacity: 0.7; margin-bottom: 3px; display: block; }
.chat-input {
  display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--tn-border);
  background: var(--tn-surface);
}
.chat-input input { flex: 1; }
.chat-typing { display: inline-flex; gap: 4px; align-items: center; }
.chat-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--tn-muted); animation: tn-typing 1.2s infinite; }
.chat-typing span:nth-child(2) { animation-delay: .2s; }
.chat-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes tn-typing { 0%,60%,100%{ opacity:.3; transform: translateY(0);} 30%{ opacity:1; transform: translateY(-3px);} }
/* unavailable state */
.chat-unavailable {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 10px; padding: 48px 24px; color: var(--tn-muted);
}
.chat-unavailable svg { width: 38px; height: 38px; color: var(--tn-faint); }

/* ==========================================================================
   16. ERROR / EMPTY STATES
   ========================================================================== */
.module-error, .empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 14px; padding: 56px 24px;
  max-width: 520px; margin: 24px auto;
}
.module-error .err-code {
  font-size: 64px; font-weight: 800; letter-spacing: -0.04em;
  color: var(--tn-accent); line-height: 1; font-variant-numeric: tabular-nums;
}
.module-error .err-ico, .empty-state .empty-ico {
  width: 56px; height: 56px; color: var(--tn-faint);
}
.module-error h1, .empty-state h2 { font-size: 22px; }
.module-error p, .empty-state p { color: var(--tn-muted); font-size: 14.5px; max-width: 44ch; }
.module-error .err-actions { display: flex; gap: 10px; margin-top: 6px; }

/* ==========================================================================
   17. AUTH (login / signup / invite)  — centered card
   ========================================================================== */
.auth-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: calc(100vh - var(--tn-header-h));
  padding: var(--tn-7) var(--tn-4);
}
.auth-form {
  width: 100%; max-width: 400px;
  background: var(--tn-surface); border: 1px solid var(--tn-border);
  border-radius: var(--tn-r-lg); box-shadow: var(--tn-shadow-md);
  padding: 32px 30px;
}
.auth-form .auth-brand { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-bottom: 22px; }
.auth-form .auth-brand .mark { width: 44px; height: 44px; color: var(--tn-accent); }
.auth-form h1 { font-size: 21px; text-align: center; }
.auth-form .auth-sub { text-align: center; color: var(--tn-muted); font-size: 13.5px; margin-top: 4px; margin-bottom: 22px; }
.auth-social { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.auth-social .btn { width: 100%; justify-content: center; gap: 10px; }
.auth-social .btn svg { width: 18px; height: 18px; }
.auth-divider {
  display: flex; align-items: center; gap: 12px; color: var(--tn-faint);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; margin: 4px 0 18px;
}
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--tn-border); }
.auth-meta { text-align: center; font-size: 13px; color: var(--tn-muted); margin-top: 18px; }
.auth-foot { text-align: center; font-size: 12px; color: var(--tn-faint); margin-top: 20px; }

/* ==========================================================================
   18. RESPONSIVE  — tablet + mobile collapsed nav
   ========================================================================== */
@media (max-width: 1024px) {
  :root { --tn-sidebar-w: 220px; }
  .calc-grid { grid-template-columns: 1fr; }
  .calc-result { order: -1; }
}
@media (max-width: 768px) {
  .portal-shell { grid-template-columns: 1fr; }
  .portal-sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 80;
    width: 280px; height: 100vh;
    transform: translateX(-100%); transition: transform var(--tn-med) var(--tn-ease);
    box-shadow: var(--tn-shadow-lg);
  }
  .portal-nav.is-open ~ *, /* fallback */
  .portal-sidebar.is-open { transform: translateX(0); }
  .portal-nav-toggle { display: inline-flex; }
  .portal-content { padding: var(--tn-5) var(--tn-4); }
  .portal-search { display: none; }
  .portal-scrim {
    position: fixed; inset: 0; background: rgba(8,16,24,0.5); z-index: 70;
    opacity: 0; visibility: hidden; transition: opacity var(--tn-med);
  }
  .portal-scrim.is-open { opacity: 1; visibility: visible; }
  .module-overview { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv dd { margin-bottom: 10px; }
}

/* ==========================================================================
   19. NAV LAYOUT VARIANT — [data-nav="top"]  (horizontal top nav, no sidebar)
   ========================================================================== */
[data-nav="top"] .portal-shell { grid-template-columns: 1fr; }
[data-nav="top"] .portal-sidebar {
  position: static; height: auto; flex-direction: row; align-items: center;
  width: 100%; border-right: 0; border-bottom: 1px solid var(--tn-sidebar-edge);
  overflow: visible;
}
[data-nav="top"] .portal-brand { border-bottom: 0; border-right: 1px solid var(--tn-sidebar-edge); padding: 14px 22px; }
[data-nav="top"] .portal-tagline { display: none; }
[data-nav="top"] .portal-nav { display: flex; gap: 4px; padding: 0 12px; flex: 1; overflow-x: auto; }
[data-nav="top"] .portal-nav-section { margin: 0; display: flex; align-items: center; }
[data-nav="top"] .portal-nav-section-title { display: none; }
[data-nav="top"] .portal-nav a {
  border-left: 0; border-bottom: 3px solid transparent; border-radius: 0;
  padding: 20px 14px; white-space: nowrap;
}
[data-nav="top"] .portal-nav a.is-active { border-left: 0; border-bottom-color: var(--tn-accent); background: transparent; }
@media (max-width: 768px) {
  [data-nav="top"] .portal-sidebar { flex-direction: column; align-items: stretch; }
  [data-nav="top"] .portal-nav { flex-direction: column; }
}

/* reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* user menu (avatar dropdown: My Account / Log out) */
[x-cloak] { display: none !important; }
.portal-usermenu { position: relative; }
.portal-usermenu-pop {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 180px;
  background: var(--tn-surface);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-r-md);
  box-shadow: var(--tn-shadow-md);
  padding: var(--tn-1);
  z-index: 60;
}
.portal-usermenu-pop a,
.portal-usermenu-pop button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  font: inherit;
  color: var(--tn-ink);
  padding: var(--tn-2) var(--tn-3);
  border-radius: var(--tn-r-sm);
  cursor: pointer;
  text-decoration: none;
}
.portal-usermenu-pop a:hover,
.portal-usermenu-pop button:hover { background: var(--tn-surface-2); }
.portal-usermenu-pop form { margin: 0; }

/* ==========================================================================
   allauth default-form styling (login / signup / reset).
   We render allauth's own form markup (it uses <p><label><input>) inside the
   .auth-allauth card; these rules make it match the design without
   reimplementing allauth's {% element %} template DSL.
   ========================================================================== */
.auth-brand-name {
  display: block;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--tn-ink);
}
.auth-allauth > h1 {
  font-size: 22px;
  text-align: center;
  margin: var(--tn-2) 0 var(--tn-2);
}
.auth-allauth > p {
  color: var(--tn-muted);
  font-size: 13.5px;
  text-align: center;
  margin: 0 0 var(--tn-5);
}
.auth-allauth form p {
  margin: 0 0 var(--tn-4);
}
.auth-allauth form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--tn-ink-soft);
  margin-bottom: var(--tn-2);
}
.auth-allauth form input[type="email"],
.auth-allauth form input[type="text"],
.auth-allauth form input[type="password"] {
  width: 100%;
}
/* "Remember me" row: allauth renders <p><label>Remember Me:</label><input cb></p>.
   Make that paragraph an inline row (checkbox first, label after, muted). */
.auth-allauth form p:has(input[type="checkbox"]) {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  align-items: center;
  gap: var(--tn-2);
}
.auth-allauth form p:has(input[type="checkbox"]) label {
  display: inline;
  margin: 0;
  font-weight: 400;
  color: var(--tn-muted);
}
.auth-allauth form input[type="checkbox"] {
  width: auto;
  margin: 0;
}
/* allauth's submit button → primary button */
.auth-allauth button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: var(--tn-2);
  padding: 11px var(--tn-5);
  font: inherit;
  font-weight: 600;
  border: 0;
  border-radius: var(--tn-r-md);
  background: var(--tn-accent);
  color: var(--tn-accent-ink);
  cursor: pointer;
  transition: background var(--tn-fast) var(--tn-ease);
}
.auth-allauth button[type="submit"]:hover { background: var(--tn-accent-2); }
.auth-allauth a { color: var(--tn-link); }
/* Links allauth scatters (forgot password / sign up) → spaced, small */
.auth-allauth form + p,
.auth-allauth a[href*="password/reset"] { font-size: 13px; }
