:root {
  --concrete-50: #f3f6fa;
  --concrete-100: #e7eef5;
  --concrete-200: #d6e0ec;
  --concrete-400: #8996a8;
  --charcoal-900: #1b3063;
  --charcoal-700: #46536b;
  --safety-500: #1b3063;
  --safety-600: #142348;
  --steel-600: #285f87;
  --steel-700: #1c4a6d;
  --sky-400: #7db1e0;
  --sky-100: #eaf3fb;
  --danger-500: #dc2626;
  --danger-600: #b91c1c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--concrete-50);
  color: var(--charcoal-900);
  font-family: "IBM Plex Sans", Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: inherit; }

h1, h2, h3 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  margin: 0;
}

.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}

/* Layout */
.page { min-height: 100vh; display: flex; flex-direction: column; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; width: 100%; }
.content { flex: 1; padding: 32px 0; }

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--concrete-400);
  margin: 0 0 4px;
}

/* Topbar */
.topbar { background: var(--charcoal-900); color: var(--concrete-50); }
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 12px 24px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.brand { display: flex; align-items: baseline; gap: 8px; text-decoration: none; color: inherit; }
.brand-name { font-family: "Space Grotesk", sans-serif; font-weight: 600; font-size: 18px; text-transform: uppercase; letter-spacing: 0.02em; }
.brand-sub { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--concrete-400); }
.topnav { display: flex; align-items: center; gap: 4px; }
.topnav-link { padding: 6px 12px; border-radius: 2px; text-decoration: none; color: var(--concrete-100); font-size: 14px; }
.topnav-link:hover { background: rgba(255,255,255,0.1); }
.topnav-user { display: flex; align-items: center; gap: 12px; margin-left: 8px; padding-left: 12px; border-left: 1px solid rgba(255,255,255,0.15); }
.user-name { font-size: 14px; color: var(--concrete-200); }

/* Admin subnav */
.subnav { background: var(--concrete-100); border-bottom: 1px solid var(--concrete-200); }
.subnav-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; display: flex; gap: 4px; }
.subnav-link { padding: 12px; text-decoration: none; color: var(--charcoal-700); font-size: 14px; font-weight: 500; border-bottom: 2px solid transparent; }
.subnav-link:hover { color: var(--charcoal-900); border-bottom-color: var(--sky-400); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: 2px; border: none; cursor: pointer;
  font-size: 14px; font-weight: 600; text-decoration: none; font-family: inherit;
}
.btn-primary { background: var(--safety-500); color: #fff; }
.btn-primary:hover { background: var(--safety-600); }
.btn-ghost { background: transparent; border: 1px solid rgba(255,255,255,0.15); color: var(--concrete-100); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-link { background: none; border: none; padding: 0; color: var(--steel-700); font-weight: 500; cursor: pointer; text-decoration: none; font-size: 14px; font-family: inherit; }
.btn-link:hover { color: var(--charcoal-900); }
.btn-link-danger { color: var(--charcoal-700); }
.btn-link-danger:hover { color: var(--danger-600); }

/* Cards / dashboard tiles */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.ticket-card { display: block; border: 1px solid var(--concrete-200); background: var(--concrete-50); border-radius: 2px; text-decoration: none; color: inherit; transition: box-shadow .15s; }
.ticket-card:hover { box-shadow: 0 8px 24px -12px rgba(27,48,99,0.35); }
.ticket-card-top { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px 0; }
.ticket-perforation { margin: 8px 16px 0; height: 1px; background-image: repeating-linear-gradient(to right, var(--sky-400) 0, var(--sky-400) 6px, transparent 6px, transparent 13px); opacity: .6; }
.ticket-card-body { padding: 16px; }
.ticket-card-body h3 { font-size: 18px; font-weight: 600; }
.ticket-card-body p { margin: 6px 0 0; font-size: 14px; color: var(--charcoal-700); }
.ticket-card-cta { margin-top: 16px; display: inline-flex; gap: 4px; font-size: 14px; font-weight: 500; color: var(--steel-700); }
.ticket-card:hover .ticket-card-cta { color: var(--charcoal-900); }

.empty-state { border: 1px dashed var(--concrete-200); background: var(--concrete-100); border-radius: 2px; padding: 48px 24px; text-align: center; }
.empty-state h2 { font-size: 18px; margin-bottom: 6px; }
.empty-state p { color: var(--charcoal-700); max-width: 380px; margin: 0 auto; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.05em; text-transform: uppercase; }
.badge-sky { background: rgba(125,177,224,0.2); color: var(--charcoal-900); }
.badge-steel { background: rgba(40,95,135,0.1); color: var(--steel-700); }
.badge-neutral { background: var(--concrete-200); color: var(--charcoal-700); }
.badge-dark { background: var(--charcoal-900); color: var(--concrete-50); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--concrete-200); background: var(--concrete-50); border-radius: 2px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th { text-align: left; padding: 12px 16px; font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--concrete-400); border-bottom: 1px solid var(--concrete-200); }
tbody td { padding: 12px 16px; border-bottom: 1px solid var(--concrete-200); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
.text-muted { color: var(--concrete-400); }
.text-secondary { color: var(--charcoal-700); }

/* Forms */
.form { max-width: 560px; }
.field { margin-bottom: 20px; }
.field label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 500; }
.field input[type=text], .field input[type=email], .field input[type=password], .field input[type=url], .field select, .field textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--concrete-200); border-radius: 2px; font-size: 14px; font-family: inherit; background: #fff; color: var(--charcoal-900);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--sky-400); box-shadow: 0 0 0 3px rgba(125,177,224,0.35); }
.field-hint { margin-top: 6px; font-size: 12px; color: var(--concrete-400); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.checklist { border: 1px solid var(--concrete-200); background: #fff; border-radius: 2px; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.password-wrap { position: relative; }
.password-wrap input { padding-right: 40px !important; }
.password-toggle { position: absolute; right: 0; top: 0; bottom: 0; width: 40px; background: none; border: none; cursor: pointer; color: var(--concrete-400); display: flex; align-items: center; justify-content: center; }
.password-toggle:hover { color: var(--charcoal-700); }
.link-row { display: flex; gap: 8px; margin-bottom: 8px; }
.link-row input:first-child { width: 40%; }
.link-row input:last-child { flex: 1; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.remove-row-btn { flex-shrink: 0; border: 1px solid var(--concrete-200); background: none; border-radius: 2px; padding: 0 10px; cursor: pointer; color: var(--charcoal-700); }
.remove-row-btn:hover { border-color: rgba(220,38,38,0.4); color: var(--danger-600); }

.alert-error { border: 1px solid rgba(220,38,38,0.3); background: rgba(220,38,38,0.1); color: var(--danger-600); padding: 10px 14px; border-radius: 2px; font-size: 14px; margin-bottom: 16px; }
.alert-info { background: var(--concrete-100); color: var(--charcoal-700); padding: 10px 14px; border-radius: 2px; font-size: 13px; }

.actions-row { display: flex; align-items: center; gap: 12px; margin-top: 4px; }

/* Login page */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--charcoal-900); padding: 48px 16px; }
.login-box { width: 100%; max-width: 380px; }
.login-head { text-align: center; margin-bottom: 24px; }
.login-head .eyebrow { color: var(--sky-400); }
.login-head img { width: 160px; height: auto; margin: 12px auto 0; display: block; }
.login-head .tagline { margin-top: 12px; color: var(--concrete-200); font-size: 14px; }
.login-card { background: var(--concrete-50); border: 1px solid var(--concrete-200); border-radius: 2px; box-shadow: 0 8px 24px -12px rgba(27,48,99,0.3); }
.login-card-top { display: flex; justify-content: space-between; padding: 16px 20px 0; font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.05em; color: var(--concrete-400); }
.login-card-top .num { color: var(--sky-400); }
.login-form { padding: 24px 20px; }
.login-footer { margin-top: 24px; text-align: center; font-family: "IBM Plex Mono", monospace; font-size: 11px; color: rgba(231,238,245,0.7); }

@media (max-width: 640px) {
  .field-row { grid-template-columns: 1fr; }
  .topbar-inner { flex-direction: column; align-items: flex-start; }
}