/* Barrier Client Portal — IBM Carbon-aligned styling matching www.barrierconsulting.tech */
:root {
  --ibm-blue-100: #001141; --ibm-blue-90: #001D6C; --ibm-blue-80: #002D9C;
  --ibm-blue-70: #0043CE;  --ibm-blue-60: #0F62FE;  --ibm-blue-50: #4589FF;
  --ibm-blue-40: #78A9FF;  --ibm-blue-30: #A6C8FF;  --ibm-blue-20: #D0E2FF;
  --ibm-blue-10: #EDF5FF;
  --carbon-100: #161616; --carbon-90: #262626; --carbon-80: #393939;
  --carbon-70: #525252;  --carbon-60: #6F6F6F;  --carbon-50: #8D8D8D;
  --carbon-40: #A8A8A8;  --carbon-30: #C6C6C6;  --carbon-20: #E0E0E0;
  --carbon-10: #F4F4F4;
  --white: #FFFFFF;
  --bg-page: #F4F4F4;
  --bg-card: #FFFFFF;
  --accent: var(--ibm-blue-60);
  --accent-hover: var(--ibm-blue-70);
  --text-primary: var(--carbon-100);
  --text-secondary: var(--carbon-70);
  --text-muted: var(--carbon-60);
  --rule: var(--carbon-20);
  --font-display: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sp-1: 4px; --sp-2: 8px; --sp-3: 16px; --sp-4: 24px; --sp-5: 32px; --sp-6: 48px; --sp-7: 64px; --sp-8: 96px;
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; margin: 0 0 var(--sp-3); color: var(--text-primary); }
h1 { font-size: 40px; line-height: 1.1; letter-spacing: -0.5px; }
h2 { font-size: 28px; line-height: 1.2; }
h3 { font-size: 20px; }
p { margin: 0 0 var(--sp-3); }
code, pre { font-family: var(--font-mono); font-size: 14px; }
code { background: var(--carbon-10); padding: 2px 6px; border-radius: var(--radius-sm); }

/* === Header === */
.bc-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; z-index: 100;
}
.bc-header__inner {
  max-width: 1280px; margin: 0 auto;
  padding: var(--sp-3) var(--sp-4);
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
}
.bc-brand {
  display: flex; align-items: center; gap: var(--sp-2);
  color: var(--text-primary); text-decoration: none;
}
.bc-brand__mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--ibm-blue-60), var(--ibm-blue-80));
  color: var(--white); font-weight: 800; font-family: var(--font-display);
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); font-size: 18px;
}
.bc-brand__name { font-weight: 700; font-family: var(--font-display); font-size: 18px; }
.bc-brand__sub { color: var(--text-muted); font-size: 13px; padding-left: var(--sp-2); border-left: 1px solid var(--rule); margin-left: var(--sp-1); }
.bc-nav { display: flex; align-items: center; gap: var(--sp-3); }
.bc-nav__link { color: var(--text-secondary); font-size: 14px; font-weight: 500; padding: var(--sp-1) var(--sp-2); }
.bc-nav__link:hover { color: var(--text-primary); text-decoration: none; }
.bc-nav__user { color: var(--text-muted); font-size: 13px; }

.bc-badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.bc-badge--admin { background: var(--ibm-blue-10); color: var(--ibm-blue-70); }
.bc-badge--locked { background: var(--carbon-20); color: var(--carbon-70); }
.bc-badge--soon { background: #FFF8E6; color: #B97A00; }
.bc-badge--active { background: #DEFBE6; color: #0E6027; }

/* === Main === */
.bc-main { max-width: 1280px; margin: 0 auto; padding: var(--sp-6) var(--sp-4) var(--sp-7); min-height: calc(100vh - 200px); }

/* === Footer === */
.bc-footer { border-top: 1px solid var(--rule); background: var(--white); }
.bc-footer__inner {
  max-width: 1280px; margin: 0 auto;
  padding: var(--sp-3) var(--sp-4);
  display: flex; align-items: center; gap: var(--sp-2);
  color: var(--text-muted); font-size: 13px;
}
.bc-footer__sep { color: var(--carbon-30); }

/* === Buttons === */
.bc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-1);
  padding: 12px 20px; font-family: var(--font-sans); font-size: 14px; font-weight: 500;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  cursor: pointer; text-decoration: none; line-height: 1; transition: all 0.15s;
}
.bc-btn--primary { background: var(--accent); color: var(--white); }
.bc-btn--primary:hover { background: var(--accent-hover); color: var(--white); text-decoration: none; }
.bc-btn--ghost { background: transparent; color: var(--text-primary); border-color: var(--carbon-30); }
.bc-btn--ghost:hover { background: var(--carbon-10); text-decoration: none; }
.bc-btn--sm { padding: 8px 14px; font-size: 13px; }

/* === Forms === */
.bc-form { max-width: 420px; margin: 0 auto; }
.bc-form__field { margin-bottom: var(--sp-3); }
.bc-form__label { display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-bottom: var(--sp-1); }
.bc-form__input, .bc-form__select {
  width: 100%; padding: 12px 14px; font-family: var(--font-sans); font-size: 15px;
  background: var(--white); border: 1px solid var(--carbon-30); border-radius: var(--radius-sm);
  color: var(--text-primary);
}
.bc-form__input:focus, .bc-form__select:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
.bc-form__error { color: #DA1E28; font-size: 13px; margin-top: var(--sp-1); }
.bc-form__hint { color: var(--text-muted); font-size: 13px; margin-top: var(--sp-1); }

/* === Cards === */
.bc-card { background: var(--bg-card); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: var(--sp-4); }
.bc-card__title { font-family: var(--font-display); font-weight: 700; font-size: 18px; margin-bottom: var(--sp-2); }
.bc-card__meta { color: var(--text-muted); font-size: 13px; }

/* === Auth pages === */
.bc-auth { max-width: 440px; margin: var(--sp-7) auto; }
.bc-auth__card { background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: var(--sp-5); }
.bc-auth__title { font-family: var(--font-display); font-weight: 700; font-size: 28px; margin: 0 0 var(--sp-2); }
.bc-auth__sub { color: var(--text-muted); margin-bottom: var(--sp-4); }
.bc-auth__qr { display: flex; justify-content: center; padding: var(--sp-3); background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius-sm); margin: var(--sp-3) 0; }
.bc-auth__secret { font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); text-align: center; word-break: break-all; padding: var(--sp-2); background: var(--carbon-10); border-radius: var(--radius-sm); }

/* === Tool grid === */
.bc-page-head { margin-bottom: var(--sp-5); }
.bc-eyebrow { color: var(--accent); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--font-mono); margin-bottom: var(--sp-2); }
.bc-page-head h1 { font-size: 44px; }
.bc-lede { color: var(--text-secondary); font-size: 18px; max-width: 720px; }

.bc-tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--sp-3); margin-top: var(--sp-5); }
.bc-tool-card {
  background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius-md);
  padding: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-2);
  transition: all 0.15s; min-height: 180px;
}
.bc-tool-card--enabled { cursor: pointer; }
.bc-tool-card--enabled:hover { border-color: var(--accent); box-shadow: 0 4px 12px rgba(15, 98, 254, 0.1); transform: translateY(-2px); }
.bc-tool-card--locked { opacity: 0.55; background: var(--carbon-10); cursor: pointer; }
.bc-tool-card--locked:hover { opacity: 0.7; }
.bc-tool-card--soon { opacity: 0.65; background: var(--carbon-10); cursor: not-allowed; }
.bc-tool-card__head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--sp-2); }
.bc-tool-card__name { font-family: var(--font-display); font-weight: 700; font-size: 18px; color: var(--text-primary); margin: 0; }
.bc-tool-card__desc { color: var(--text-secondary); font-size: 14px; line-height: 1.4; margin: 0; flex: 1; }
.bc-tool-card__foot { display: flex; justify-content: space-between; align-items: center; padding-top: var(--sp-2); border-top: 1px solid var(--rule); margin-top: auto; }
.bc-tool-card__version { color: var(--text-muted); font-size: 12px; font-family: var(--font-mono); }
.bc-tool-card__cta { color: var(--accent); font-size: 13px; font-weight: 500; }
.bc-tool-card--locked .bc-tool-card__cta { color: var(--text-muted); }

/* === Tables === */
.bc-table { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius-md); overflow: hidden; }
.bc-table th, .bc-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--rule); font-size: 14px; }
.bc-table th { background: var(--carbon-10); font-weight: 600; color: var(--text-secondary); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.bc-table tr:last-child td { border-bottom: none; }
.bc-table tr:hover td { background: var(--ibm-blue-10); }

/* === Stat blocks === */
.bc-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--sp-3); margin: var(--sp-4) 0; }
.bc-stat { background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: var(--sp-3); }
.bc-stat__label { color: var(--text-muted); font-size: 13px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.bc-stat__value { font-family: var(--font-display); font-weight: 700; font-size: 32px; color: var(--text-primary); margin-top: var(--sp-1); }
.bc-stat__sub { color: var(--text-muted); font-size: 13px; margin-top: var(--sp-1); }

/* === Bar chart (CSS-only) === */
.bc-bars { display: flex; flex-direction: column; gap: var(--sp-2); }
.bc-bar { display: grid; grid-template-columns: 140px 1fr 50px; gap: var(--sp-2); align-items: center; font-size: 14px; }
.bc-bar__label { color: var(--text-secondary); }
.bc-bar__track { background: var(--carbon-10); height: 24px; border-radius: var(--radius-sm); overflow: hidden; }
.bc-bar__fill { background: var(--accent); height: 100%; border-radius: var(--radius-sm); }
.bc-bar__value { color: var(--text-primary); font-family: var(--font-mono); font-size: 13px; text-align: right; }

/* === Modal === */
.bc-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: none; align-items: center; justify-content: center; z-index: 1000; }
.bc-modal-overlay.bc-show { display: flex; }
.bc-modal { background: var(--white); border-radius: var(--radius-lg); padding: var(--sp-5); max-width: 480px; width: 90%; }

/* Responsive */
@media (max-width: 720px) {
  .bc-header__inner { flex-wrap: wrap; }
  .bc-page-head h1 { font-size: 32px; }
  .bc-brand__sub { display: none; }
  .bc-tool-grid { grid-template-columns: 1fr; }
}