/*
 * TLS Manager design system
 * ==========================
 *
 * Tokens live at :root — colors, spacing, radii, elevation. Components
 * (buttons, cards, tables, forms, banners) reference tokens only; no
 * raw hex values below the token block. That's how the whole surface
 * stays coherent when a theme lands (dark mode / customer-branded).
 */

:root {
  /* palette */
  --color-brand-900: #0b1226;
  --color-brand-800: #16223f;
  --color-brand-700: #1f2a44;
  --color-brand-500: #4059ad;
  --color-brand-100: #e4ebf9;

  --color-accent-700: #05747f;
  --color-accent-500: #0695a2;
  --color-accent-100: #e3f5f7;

  --color-success-700: #0d6b3d;
  --color-success-500: #10a04f;
  --color-success-100: #dcf5e4;
  --color-warning-700: #a26100;
  --color-warning-500: #e08e0e;
  --color-warning-100: #fdf1d3;
  --color-danger-700: #922a3c;
  --color-danger-500: #c0394d;
  --color-danger-100: #fbe1e6;

  --color-fg-strong: #0b1226;
  --color-fg: #24304a;
  --color-fg-muted: #5f6b83;
  --color-fg-subtle: #8a94a6;
  --color-line: #dce2ee;
  --color-line-strong: #b7c1d6;
  --color-surface: #ffffff;
  --color-surface-alt: #f7f9fc;
  --color-canvas: #eef2f8;
  --color-code-bg: #f2f4fa;

  /* radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* space scale (4-based) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-8: 48px;

  /* typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI",
               Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-base: 15px;
  --fs-md: 16px;
  --fs-lg: 20px;
  --fs-xl: 28px;
  --fs-2xl: 34px;
  --lh-tight: 1.25;
  --lh-base: 1.55;

  /* elevation */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06),
               0 1px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 1px 2px rgba(15, 23, 42, 0.06),
               0 6px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 4px 12px rgba(15, 23, 42, 0.08),
               0 24px 48px rgba(15, 23, 42, 0.10);

  /* motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 120ms;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--color-fg);
  background: var(--color-canvas);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  -webkit-font-smoothing: antialiased;
}

code, .mono { font-family: var(--font-mono); }
.small { font-size: var(--fs-sm); }
.muted { color: var(--color-fg-muted); }
.subtle { color: var(--color-fg-subtle); }
.strong { font-weight: 600; }

h1, h2, h3, h4 {
  color: var(--color-fg-strong);
  margin: 0;
  line-height: var(--lh-tight);
}
h1 { font-size: var(--fs-xl); }
h2 { font-size: var(--fs-lg); }
h3 { font-size: var(--fs-md); }
h4 { font-size: var(--fs-base); }
p { margin: 0; }

a { color: var(--color-accent-500); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ----- top bar ----- */
.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: var(--color-brand-900);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  color: #fff;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark { font-size: 22px; color: var(--color-accent-500); }
.brand-name { font-size: var(--fs-md); font-weight: 700; letter-spacing: 0.4px; }
.brand-sub {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.topnav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: var(--space-4);
  flex-wrap: wrap;
}
.nav-link {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: var(--fs-sm);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.nav-link:hover {
  color: #fff;
  border-bottom-color: var(--color-accent-500);
  text-decoration: none;
}
.nav-sep { color: rgba(255,255,255,0.3); }

/* ----- layout ----- */
.container {
  max-width: 1200px;
  margin: var(--space-6) auto;
  padding: 0 var(--space-6);
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.page-header p { margin-top: var(--space-1); color: var(--color-fg-muted); }
.page-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-shrink: 0;
}

.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
}

/* ----- cards + panels ----- */
.card, .panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.panel + .panel { margin-top: var(--space-4); }
.panel h2 { margin-bottom: var(--space-3); }
.panel h3 { margin-bottom: var(--space-2); }

/* ----- buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 16px;
  font-size: var(--fs-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  text-decoration: none;
  font-family: inherit;
  line-height: 1;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--color-accent-500);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-700); }
.btn-secondary {
  background: var(--color-brand-100);
  color: var(--color-brand-700);
}
.btn-secondary:hover { background: #d7e0f5; }
.btn-ghost {
  background: transparent;
  color: var(--color-fg);
  border-color: var(--color-line-strong);
}
.btn-ghost:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-fg-muted);
}
.btn-danger {
  background: var(--color-danger-500);
  color: #fff;
}
.btn-danger:hover { background: var(--color-danger-700); }
.btn-sm { padding: 5px 10px; font-size: var(--fs-xs); }

/* ----- badges ----- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-pill);
  background: var(--color-brand-100);
  color: var(--color-brand-700);
  white-space: nowrap;
}
.badge.good { background: var(--color-success-100); color: var(--color-success-700); }
.badge.warn { background: var(--color-warning-100); color: var(--color-warning-700); }
.badge.bad { background: var(--color-danger-100); color: var(--color-danger-700); }
.badge.tier-standard { background: var(--color-accent-100); color: var(--color-accent-700); }
.badge.tier-elevated { background: #ede1fb; color: #6b46c1; }
.badge.tier-full { background: var(--color-brand-100); color: var(--color-brand-700); }
.badge.large { font-size: var(--fs-sm); padding: 4px 12px; }

/* ----- chips ----- */
.chip {
  display: inline-block;
  padding: 2px 8px;
  margin: 2px 4px 2px 0;
  font-size: var(--fs-xs);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-line);
  color: var(--color-fg);
  border-radius: var(--radius-sm);
}
.chips { display: flex; flex-wrap: wrap; gap: 4px; }

/* ----- key-value list ----- */
.kv {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.kv li {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-3);
  align-items: baseline;
}
.kv li > span { color: var(--color-fg-muted); font-size: var(--fs-sm); }

/* ----- tables ----- */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.data-table th, .data-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-line);
  vertical-align: middle;
}
.data-table th {
  background: var(--color-surface-alt);
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.data-table tbody tr:hover { background: var(--color-surface-alt); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table.compact td, .data-table.compact th { padding: 8px 12px; }
.scopes { display: flex; flex-wrap: wrap; gap: 4px; }

/* ----- forms ----- */
.form { display: flex; flex-direction: column; gap: var(--space-4); }
.form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: var(--fs-sm);
  color: var(--color-fg);
}
.form label > span { font-weight: 500; color: var(--color-fg-strong); }
.form input, .form select, .form textarea {
  padding: 8px 12px;
  border: 1px solid var(--color-line-strong);
  background: var(--color-surface);
  color: var(--color-fg-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--fs-sm);
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--color-accent-500);
  box-shadow: 0 0 0 3px var(--color-accent-100);
}
.form-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-line);
  padding: var(--space-4);
  border-radius: var(--radius-md);
}
.form-card legend {
  padding: 0 8px;
  color: var(--color-fg-strong);
  font-weight: 600;
  font-size: var(--fs-sm);
}
.form .stacked { flex-direction: column; }
.form .checkbox {
  flex-direction: row;
  align-items: center;
  gap: var(--space-2);
}
.form .checkbox input { width: auto; }
.form .actions { display: flex; gap: var(--space-2); }
.form .hint { color: var(--color-fg-muted); font-size: var(--fs-sm); }
.radio-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.radio-row label {
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease);
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-3);
}
.radio-row label:hover { border-color: var(--color-accent-500); }
.radio-row label input { margin-top: 3px; }

/* ----- banners ----- */
.banner {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  margin-bottom: var(--space-4);
  align-items: flex-start;
}
.banner-info { background: var(--color-accent-100); border-color: #c6ecef; color: var(--color-accent-700); }
.banner-warning { background: var(--color-warning-100); border-color: #f7d788; color: var(--color-warning-700); }
.banner-error { background: var(--color-danger-100); border-color: #f0c0c8; color: var(--color-danger-700); }
.banner strong { color: inherit; }

/* ----- hero + splash (login / home) ----- */
.hero {
  padding: var(--space-6) 0 var(--space-3);
}
.hero h1 { font-size: var(--fs-2xl); margin-bottom: var(--space-2); }
.hero .lede {
  font-size: var(--fs-md);
  color: var(--color-fg-muted);
  max-width: 720px;
}
.hero-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

/* ----- stat cards ----- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0;
}
.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-value {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-fg-strong);
  line-height: 1;
}
.stat-label {
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.stat.warn .stat-value { color: var(--color-warning-700); }
.stat.bad .stat-value { color: var(--color-danger-700); }
.stat.good .stat-value { color: var(--color-success-700); }

/* ----- codeblock ----- */
.codeblock {
  background: var(--color-code-bg);
  color: var(--color-fg-strong);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ----- empty state ----- */
.empty {
  padding: var(--space-8) var(--space-5);
  text-align: center;
  border: 2px dashed var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-fg-muted);
}
.empty h3 { color: var(--color-fg); margin-bottom: var(--space-2); }
.empty p { margin-bottom: var(--space-4); }

/* ----- status pill (order lifecycle) ----- */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px 3px 8px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.85;
}
.status-issued { background: var(--color-success-100); color: var(--color-success-700); }
.status-pending, .status-validating { background: var(--color-warning-100); color: var(--color-warning-700); }
.status-failed { background: var(--color-danger-100); color: var(--color-danger-700); }
.status-revoked { background: #ecedf1; color: var(--color-fg-muted); }

/* ----- login split screen ----- */
.auth-shell {
  min-height: calc(100vh - 60px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
@media (max-width: 900px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-marketing { display: none; }
}
.auth-marketing {
  padding: var(--space-8) var(--space-6);
  background: linear-gradient(140deg, var(--color-brand-800), var(--color-brand-500));
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.auth-marketing h1 {
  color: #fff;
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-3);
  max-width: 480px;
}
.auth-marketing p { color: rgba(255,255,255,0.85); max-width: 480px; }
.auth-marketing ul {
  margin-top: var(--space-5);
  padding: 0;
  list-style: none;
  color: rgba(255,255,255,0.9);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.auth-marketing ul li::before {
  content: "→";
  color: var(--color-accent-500);
  margin-right: var(--space-2);
}
.auth-form {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface);
}
.auth-form form { width: 100%; max-width: 380px; }
.auth-form h2 { margin-bottom: var(--space-2); }
.auth-form p { color: var(--color-fg-muted); margin-bottom: var(--space-5); }

/* ----- footer ----- */
.footer {
  margin-top: var(--space-8);
  padding: var(--space-5) var(--space-6);
  color: var(--color-fg-muted);
  text-align: center;
  font-size: var(--fs-xs);
}

/* ----- challenges list (order detail) ----- */
.challenge-list { display: flex; flex-direction: column; gap: var(--space-3); }
.challenge-item {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.challenge-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
  gap: var(--space-3);
}
.challenge-body { display: grid; gap: var(--space-2); font-size: var(--fs-sm); }
.challenge-body label { color: var(--color-fg-muted); font-size: var(--fs-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.challenge-body code {
  display: block;
  padding: 6px 10px;
  background: var(--color-code-bg);
  border-radius: var(--radius-xs);
  word-break: break-all;
  font-size: var(--fs-sm);
}

/* ----- notification bar (global) ----- */
.notification-bar {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-line);
}
.notification-bar .banner { margin-bottom: 0; }