:root {
  --bg0: #0A1628; --bg1: #0F1F36; --bg2: #1A2A4A; --bg3: #2D4373;
  --brd1: #2A3556; --brd2: #3D4A72;
  --tx1: #E8ECF5; --tx2: #A8B2CC; --tx3: #6B7596;
  --gold: #C9A961; --gold-d: #8A6F38; --cyan: #5ECCD1; --ice: #38BDF8;
  --green: #10B981; --amber: #F59E0B; --red: #EF4444; --blue: #3B82F6;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", Consolas, "Cascadia Code", Monaco, monospace;
  --serif: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, Cambria, serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow-x: hidden; }
body { font-family: var(--sans); font-size: 14px; line-height: 1.55; color: var(--tx1); background: var(--bg0); }

/* Blazor error UI */
#blazor-error-ui { display: none; background: var(--red); color: #fff; padding: 0.5rem 1rem; position: fixed; bottom: 0; width: 100%; z-index: 1000; text-align: center; }
#blazor-error-ui .dismiss { cursor: pointer; margin-left: 1rem; }

/* Navigation */
.sidebar { background: var(--bg1); border-right: 1px solid var(--brd2); width: 240px; min-height: 100vh; position: fixed; left: 0; top: 0; overflow-y: auto; z-index: 100; }
.sidebar .logo { padding: 1.1rem 1.25rem 1rem; border-bottom: 1px solid var(--brd2); display: flex; flex-direction: column; gap: 0.3rem; }
.sidebar .logo .logo-text { font-family: var(--serif); font-size: 1.15rem; color: var(--tx1); letter-spacing: 2px; font-weight: 400; }
.sidebar nav { padding: 1rem 0; }
.sidebar nav a { display: flex; align-items: center; gap: 0.65rem; padding: 0.65rem 1.25rem; color: var(--tx3); text-decoration: none; font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1.5px; transition: all 0.15s; border-left: 3px solid transparent; }
.sidebar nav a:hover { color: var(--tx2); background: rgba(255,255,255,0.03); }
.sidebar nav a.active { color: var(--gold); border-left-color: var(--gold); background: rgba(201,169,97,0.06); }
.sidebar nav .section-label { font-family: var(--mono); font-size: 0.55rem; text-transform: uppercase; letter-spacing: 2px; color: var(--tx3); padding: 1.25rem 1.25rem 0.5rem; opacity: 0.6; }

/* Nav pip indicator */
.nav-pip { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: 0.3; flex-shrink: 0; transition: all 0.15s; }
.sidebar nav a:hover .nav-pip { opacity: 0.6; }
.sidebar nav a.active .nav-pip { background: var(--gold); opacity: 1; box-shadow: 0 0 5px rgba(201,169,97,0.5); }

.main-content { margin-left: 240px; padding: 1.5rem 2rem; min-height: 100vh; }

/* Cards */
.card { background: var(--bg2); border: 1px solid var(--brd1); border-radius: 6px; padding: 1rem 1.25rem; margin-bottom: 1rem; }
.card h3 { font-family: var(--serif); font-size: 1.1rem; color: var(--tx1); margin-bottom: 0.75rem; }

/* Stats row */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.75rem; margin-bottom: 1.5rem; }
.stat { background: var(--bg2); border: 1px solid var(--brd1); border-radius: 4px; padding: 0.85rem 1rem; border-left: 3px solid var(--gold); }
.stat-label { font-family: var(--mono); font-size: 0.55rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--tx3); margin-bottom: 0.3rem; }
.stat-value { font-family: var(--serif); font-size: 1.6rem; font-weight: 700; color: var(--tx1); line-height: 1; }
.stat.cyan { border-left-color: var(--cyan); } .stat.cyan .stat-value { color: var(--cyan); }
.stat.green { border-left-color: var(--green); } .stat.green .stat-value { color: var(--green); }
.stat.amber { border-left-color: var(--amber); } .stat.amber .stat-value { color: var(--amber); }
.stat.red { border-left-color: var(--red); } .stat.red .stat-value { color: var(--red); }

/* Buttons */
.btn-gold { background: var(--gold); color: var(--bg0); border: 0; padding: 0.5rem 1rem; font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 700; border-radius: 3px; cursor: pointer; }
.btn-gold:hover { background: #D4B470; }
.btn-outline { background: transparent; border: 1px solid var(--brd2); color: var(--tx2); padding: 0.4rem 0.85rem; font-family: var(--mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 1.5px; border-radius: 3px; cursor: pointer; }
.btn-outline:hover { color: var(--gold); border-color: var(--gold-d); }
.btn-danger { background: transparent; border: 1px solid var(--red); color: var(--red); padding: 0.5rem 1rem; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 1.5px; border-radius: 3px; cursor: pointer; }
.btn-danger:hover { background: var(--red); color: #fff; }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 0.75rem; }
.data-table th { background: var(--bg1); color: var(--gold); padding: 0.5rem 0.75rem; text-align: left; font-size: 0.6rem; text-transform: uppercase; letter-spacing: 1.5px; border-bottom: 1px solid var(--brd2); }
.data-table td { padding: 0.5rem 0.75rem; color: var(--tx2); border-bottom: 1px solid var(--brd1); }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }

/* Badges */
.badge { display: inline-block; padding: 0.15rem 0.45rem; border-radius: 2px; font-family: var(--mono); font-size: 0.6rem; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; }
.badge-green { background: rgba(16,185,129,0.15); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }
.badge-amber { background: rgba(245,158,11,0.15); color: var(--amber); border: 1px solid rgba(245,158,11,0.3); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }
.badge-cyan { background: rgba(94,204,209,0.15); color: var(--cyan); border: 1px solid rgba(94,204,209,0.3); }

/* Section headers */
.section-eyebrow { font-family: var(--mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 3px; color: var(--gold); margin-bottom: 0.25rem; display: flex; align-items: center; gap: 0.75rem; }
.section-eyebrow::before { content: ""; width: 1.5rem; height: 1px; background: var(--gold); }
.section-title { font-family: var(--serif); font-size: 1.5rem; color: var(--tx1); margin-bottom: 0.5rem; }
.section-desc { font-size: 0.85rem; color: var(--tx2); margin-bottom: 1.5rem; max-width: 70ch; }

/* Login / auth pages */
.traverse-login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 2rem; }
.traverse-login-card { width: 100%; max-width: 420px; background: var(--bg2); border: 1px solid var(--brd1); border-radius: 8px; padding: 2.5rem 2rem; }
.traverse-login-card .login-logo { text-align: center; margin-bottom: 1.75rem; }
.traverse-login-card .login-logo svg { display: inline-block; }
.traverse-login-card .login-logo .brand-name { font-family: var(--serif); font-size: 1.4rem; color: var(--tx1); letter-spacing: 2px; display: block; margin-top: 0.5rem; }
.traverse-login-card h2 { font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; color: var(--tx3); margin-bottom: 1.5rem; text-align: center; }
.traverse-login-card .form-floating { margin-bottom: 1rem; position: relative; }
.traverse-login-card .form-floating label { display: block; font-family: var(--mono); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--tx3); margin-bottom: 0.3rem; }
.traverse-login-card .form-control { background: var(--bg0); border: 1px solid var(--brd2); color: var(--tx1); padding: 0.6rem 0.85rem; border-radius: 3px; font-family: var(--mono); font-size: 0.85rem; width: 100%; }
.traverse-login-card .form-control:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 2px rgba(201,169,97,0.15); }
.traverse-login-card .btn-submit { width: 100%; background: var(--gold); color: var(--bg0); border: 0; padding: 0.65rem 1rem; font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 2px; font-weight: 700; border-radius: 3px; cursor: pointer; margin-top: 0.5rem; }
.traverse-login-card .btn-submit:hover { background: #D4B470; }
.traverse-login-card .login-links { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; text-align: center; }
.traverse-login-card .login-links a { font-family: var(--mono); font-size: 0.65rem; color: var(--tx3); text-decoration: none; letter-spacing: 0.5px; }
.traverse-login-card .login-links a:hover { color: var(--gold); }
.traverse-login-card .remember-row { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.5rem; }
.traverse-login-card .remember-row label { font-family: var(--mono); font-size: 0.65rem; color: var(--tx3); }
.traverse-login-card .text-danger { font-family: var(--mono); font-size: 0.65rem; color: var(--red); margin-bottom: 0.75rem; display: block; }
.traverse-login-card .validation-message { font-family: var(--mono); font-size: 0.6rem; color: var(--red); }

/* Login container fallback */
.login-container { max-width: 420px; margin: 3rem auto; }
.login-container input { background: var(--bg0); border: 1px solid var(--brd2); color: var(--tx1); padding: 0.55rem 0.85rem; border-radius: 3px; font-family: var(--mono); font-size: 0.85rem; width: 100%; margin-bottom: 0.75rem; }
.login-container input:focus { outline: none; border-color: var(--gold); }
.login-container label { display: block; font-family: var(--mono); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--tx3); margin-bottom: 0.25rem; }

/* Zones (environment columns) */
.zones { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; margin-bottom: 1.5rem; }
.zone { background: var(--bg2); border: 2px dashed; border-radius: 6px; padding: 1rem; min-height: 200px; }
.zone-prod { border-color: var(--gold); }
.zone-uat { border-color: var(--cyan); }
.zone-dev { border-color: var(--amber); }
.zone-label { font-family: var(--serif); font-size: 1.1rem; font-weight: 700; letter-spacing: 1px; margin-bottom: 0.5rem; }
.zone-label.prod { color: var(--gold); }
.zone-label.uat { color: var(--cyan); }
.zone-label.dev { color: var(--amber); }

/* Status dots */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 0.4rem; }
.dot-green { background: var(--green); box-shadow: 0 0 6px rgba(16,185,129,0.5); }
.dot-amber { background: var(--amber); box-shadow: 0 0 6px rgba(245,158,11,0.5); }
.dot-red { background: var(--red); box-shadow: 0 0 6px rgba(239,68,68,0.5); }

/* Responsive */
@media (max-width: 1100px) { .zones { grid-template-columns: 1fr; } }
@media (max-width: 768px) { .sidebar { width: 60px; } .sidebar nav a span { display: none; } .main-content { margin-left: 60px; padding: 1rem; } }

/* Write lock banner */
.write-lock { background: rgba(239,68,68,0.08); border: 1px solid var(--red); border-left-width: 3px; border-radius: 4px; padding: 0.75rem 1rem; margin-bottom: 1rem; font-family: var(--mono); font-size: 0.7rem; color: var(--red); }

/* Footer */
.footer { border-top: 1px solid var(--brd2); padding: 0.75rem 2rem; text-align: center; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 2px; text-transform: uppercase; color: var(--tx3); margin-top: 3rem; }

/* ============================================================
   AUTH LAYOUT — Full-page Everest background + frosted glass
   ============================================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url("images/everest-hero.jpg") center center / cover no-repeat fixed;
  position: relative;
  overflow: hidden;
}

.auth-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 22, 40, 0.45) 0%,
    rgba(10, 22, 40, 0.70) 50%,
    rgba(10, 22, 40, 0.88) 100%
  );
  z-index: 0;
}

.auth-center-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 460px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

/* Auth card — frosted glass */
.auth-card {
  background: rgba(15, 31, 54, 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: 8px;
  padding: 2.5rem 2rem;
  box-shadow: 0 25px 50px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.04) inset;
}

.auth-card .logo-area {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-card .logo-area svg {
  display: inline-block;
}

.auth-card .brand-name {
  font-family: var(--sans);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 7px;
  text-transform: uppercase;
  color: #F8FAFC;
  display: block;
  margin-top: 0.65rem;
}

.auth-card .brand-sub {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-top: 0.3rem;
  opacity: 0.85;
}

.auth-card h2 {
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--tx3);
  margin-bottom: 1.5rem;
  text-align: center;
}

.auth-card .form-floating {
  margin-bottom: 1rem;
  position: relative;
}

.auth-card .form-floating label {
  display: block;
  font-family: var(--mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--tx3);
  margin-bottom: 0.3rem;
}

.auth-card .form-control {
  background: rgba(10, 22, 40, 0.6);
  border: 1px solid var(--brd2);
  color: var(--tx1);
  padding: 0.65rem 0.85rem;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.85rem;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.auth-card .form-control:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(201,169,97,0.18);
  background: rgba(10, 22, 40, 0.8);
}

.auth-card .btn-submit {
  width: 100%;
  background: var(--gold);
  color: var(--bg0);
  border: 0;
  padding: 0.7rem 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 0.75rem;
  transition: background 0.15s, transform 0.1s;
}

.auth-card .btn-submit:hover {
  background: #D4B470;
  transform: translateY(-1px);
}

.auth-card .btn-submit:active {
  transform: translateY(0);
}

.auth-card .login-links {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
}

.auth-card .login-links a {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--tx3);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color 0.15s;
}

.auth-card .login-links a:hover { color: var(--gold); }

.auth-card .remember-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.auth-card .remember-row label {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--tx3);
}

.auth-card .text-danger {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--red);
  margin-bottom: 0.75rem;
  display: block;
}

.auth-card .validation-message {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--red);
  display: block;
  margin-top: 0.2rem;
}

/* Override: auth pages should NOT have the sidebar layout margin */
.auth-page ~ .main-content { display: none; }