/* Metacrypt — Nord dark theme */

/* ===========================
   Colour tokens (Nord palette)
   =========================== */
:root {
  /* Polar Night */
  --n0: #2E3440;
  --n1: #3B4252;
  --n2: #434C5E;
  --n3: #4C566A;
  /* Snow Storm */
  --s0: #D8DEE9;
  --s1: #E5E9F0;
  --s2: #ECEFF4;
  /* Frost */
  --f0: #8FBCBB;
  --f1: #88C0D0;
  --f2: #81A1C1;
  --f3: #5E81AC;
  /* Aurora */
  --red:    #BF616A;
  --orange: #D08770;
  --yellow: #EBCB8B;
  --green:  #A3BE8C;
  --green-dark: #4C7A4A;
  --purple: #B48EAD;
}

/* ===========================
   Reset
   =========================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; }

/* ===========================
   Base
   =========================== */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--n0);
  color: var(--s0);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--f1); text-decoration: none; }
a:hover { color: var(--f0); text-decoration: underline; }
p { margin-bottom: 0.875rem; }
h2 { font-size: 1.375rem; font-weight: 600; color: var(--s2); margin-bottom: 0.25rem; }
h3 { font-size: 1.0625rem; font-weight: 600; color: var(--s1); margin: 0; }
code {
  font-family: "SF Mono", "Cascadia Code", "Fira Code", Consolas, monospace;
  font-size: 0.8125rem;
  color: var(--f0);
  background: var(--n2);
  padding: 0.125rem 0.375rem;
  border-radius: 3px;
}
small { font-size: 0.8125rem; color: var(--s0); }

/* ===========================
   Top navigation
   =========================== */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 52px;
  background: var(--n1);
  border-bottom: 1px solid var(--n3);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topnav-brand {
  font-size: 1rem;
  font-weight: 700;
  color: var(--s2);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.topnav-brand:hover { color: var(--f1); text-decoration: none; }
.topnav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.topnav-user {
  font-size: 0.875rem;
  color: var(--s1);
}

/* ===========================
   Page containers
   =========================== */
.page-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}
.auth-container {
  max-width: 420px;
  margin: 5rem auto 2rem;
  padding: 0 1rem;
}

/* ===========================
   Page header
   =========================== */
.page-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--n2);
}
.page-header h2 { margin-bottom: 0; }
.page-meta {
  margin-top: 0.375rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--n3);
}
.page-meta a { color: var(--f2); font-size: 0.8125rem; }
.page-meta a:hover { color: var(--f1); }

/* ===========================
   Auth pages
   =========================== */
.auth-header {
  text-align: center;
  margin-bottom: 1.75rem;
}
.auth-header .brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--s2);
  letter-spacing: 0.04em;
}
.auth-header .tagline {
  font-size: 0.6875rem;
  color: var(--f2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 0.25rem;
}

/* ===========================
   Cards
   =========================== */
.card {
  background: var(--n1);
  border: 1px solid var(--n3);
  border-radius: 6px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.card:last-child { margin-bottom: 0; }
.card-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--f2);
  margin-bottom: 1rem;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid var(--n2);
}
.card p:last-child { margin-bottom: 0; }

/* ===========================
   State chip
   =========================== */
.state-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  color: var(--s0);
}
.state-chip::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--n3);
  flex-shrink: 0;
}
.state-chip.state-unsealed::before {
  background: var(--green);
  box-shadow: 0 0 5px rgba(163, 190, 140, 0.55);
}
.state-chip.state-sealed::before { background: var(--red); }

/* ===========================
   Badges
   =========================== */
.badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(94, 129, 172, 0.2);
  color: var(--f1);
  border: 1px solid rgba(94, 129, 172, 0.35);
}
.badge-danger {
  background: rgba(191, 97, 106, 0.15);
  color: #e07c82;
  border-color: rgba(191, 97, 106, 0.35);
}

/* ===========================
   Alerts
   =========================== */
.error {
  background: rgba(191, 97, 106, 0.12);
  color: #e07c82;
  border: 1px solid rgba(191, 97, 106, 0.3);
  padding: 0.75rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}
.success {
  background: rgba(163, 190, 140, 0.1);
  border: 1px solid rgba(163, 190, 140, 0.3);
  border-radius: 4px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.success p { color: var(--green); }

/* ===========================
   Buttons
   =========================== */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--f3);
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
  line-height: 1.4;
  background: var(--f3);
  color: var(--s2);
}
button:hover, .btn:hover {
  background: var(--f2);
  border-color: var(--f2);
  text-decoration: none;
  color: var(--s2);
}
.btn-danger {
  background: var(--red);
  color: var(--s2);
  border-color: var(--red);
}
.btn-danger:hover {
  background: #a8535b;
  border-color: #a8535b;
  color: var(--s2);
}
.btn-ghost {
  background: transparent;
  color: var(--s0);
  border-color: var(--n3);
}
.btn-ghost:hover {
  background: var(--n2);
  color: var(--s1);
  border-color: var(--n3);
  text-decoration: none;
}
.btn-sm {
  padding: 0.3125rem 0.875rem;
  font-size: 0.8125rem;
}

/* ===========================
   Forms
   =========================== */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--s0);
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--n0);
  border: 1px solid var(--n3);
  border-radius: 4px;
  color: var(--s1);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color 0.12s, box-shadow 0.12s;
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--f3);
  box-shadow: 0 0 0 3px rgba(94, 129, 172, 0.2);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--n3); }
.form-group input[type="file"] {
  padding: 0.375rem 0.5rem;
  font-size: 0.875rem;
  color: var(--s0);
  cursor: pointer;
  border-style: dashed;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2381A1C1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
  cursor: pointer;
}
.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; min-width: 0; }
.form-actions { margin-top: 0.25rem; }
.pem-input,
.form-group textarea.pem-input {
  font-family: "SF Mono", "Cascadia Code", "Fira Code", Consolas, monospace;
  font-size: 0.8125rem;
  resize: vertical;
}

/* ===========================
   Details / Summary
   =========================== */
details { margin: 0.75rem 0; }
details summary {
  cursor: pointer;
  color: var(--f2);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.375rem 0;
  user-select: none;
  list-style: none;
}
details summary::-webkit-details-marker { display: none; }
details summary::before {
  content: '▸  ';
  color: var(--n3);
  font-size: 0.75rem;
}
details[open] summary::before { content: '▾  '; }
details summary:hover { color: var(--f1); }
details[open] > summary { margin-bottom: 0.75rem; }
details > :not(summary):first-of-type { margin-top: 0.25rem; }

/* ===========================
   Tables
   =========================== */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  padding: 0.5rem 0.875rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--f2);
  border-bottom: 1px solid var(--n3);
  white-space: nowrap;
}
td {
  text-align: left;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  color: var(--s0);
  border-bottom: 1px solid var(--n2);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(76, 86, 106, 0.25); }

/* Key–value table (cert info) */
.kv-table { border-collapse: collapse; width: 100%; }
.kv-table th {
  width: 140px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--f2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.375rem 1rem 0.375rem 0;
  border-bottom: none;
  vertical-align: top;
  white-space: nowrap;
}
.kv-table td {
  font-size: 0.9375rem;
  color: var(--s1);
  padding: 0.375rem 0;
  border-bottom: none;
}
.kv-table tbody tr:hover td { background: transparent; }

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-top: 0.25rem;
}
.form-group .checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: normal;
  text-transform: none;
  letter-spacing: 0;
  color: var(--s1);
  cursor: pointer;
}
.form-group .checkbox-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
  accent-color: var(--green-dark);
}
.form-group .checkbox-label input[type="checkbox"]:checked {
  outline: 2px solid var(--green-dark);
  outline-offset: 1px;
}
.form-group .checkbox-label:has(input[type="checkbox"]:checked) {
  color: var(--green);
}