/* Calibrix app pages — extends theme.css design tokens */

/* === NAV LINKS === */
.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--teal); }

/* === APP MAIN === */
.app-main {
  padding-top: 56px;
  min-height: 100vh;
}
.app-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

/* === APP HEADER === */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}
.app-header h1 {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  border-radius: 6px;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  border: none;
}
.btn-primary {
  background: var(--teal);
  color: var(--bg);
}
.btn-primary:hover { background: #00f5c4; }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--white); border-color: var(--teal); }
.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
}
.btn-danger {
  color: var(--red);
  border-color: var(--red-dim);
}
.btn-danger:hover { background: var(--red-dim); }

/* === STATS GRID === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.stat-card.stat-warning { border-color: var(--amber); }
.stat-card.stat-caution { border-color: rgba(0,212,170,0.35); }
.stat-card.stat-success { border-color: var(--teal); }
.stat-card.stat-danger { border-color: var(--red); }
.stat-value {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === CHART CARD === */
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.chart-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* === SECTION === */
.section { margin-bottom: 2rem; }
.section h2 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

/* === ITEM LIST === */
.item-list { display: flex; flex-direction: column; gap: 0.5rem; }
.item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  gap: 1rem;
}
.item-row.item-warning { border-color: var(--amber); background: var(--amber-dim); }
.item-row.item-danger { border-color: var(--red); background: var(--red-dim); }
.item-row.item-ok { border-color: var(--teal); }
.item-main { display: flex; flex-direction: column; gap: 0.2rem; }
.item-main strong { font-size: 0.95rem; color: var(--white); }
.item-serial { font-size: 0.8rem; color: var(--muted); }
.item-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--muted);
}
.item-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
}

/* === STATUS BADGE === */
.status-badge {
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.status-ok { background: var(--teal-dim); color: var(--teal); }
.status-due_soon { background: var(--amber-dim); color: var(--amber); }
.status-overdue { background: var(--red-dim); color: var(--red); }

/* === FILTER TABS === */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.tab {
  padding: 0.4rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 0.15s;
}
.tab:hover { border-color: var(--teal); color: var(--white); }
.tab.active { background: var(--teal); color: var(--bg); border-color: var(--teal); }

/* === FORM CARD === */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  max-width: 600px;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.65rem 0.9rem;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.form-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.5rem;
}
.form-error {
  color: var(--red);
  font-size: 0.85rem;
  margin-top: 0.75rem;
}

/* === INFO CARD === */
.info-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

/* === EMPTY STATE === */
.empty-state {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1rem 0;
}
.empty-state a { color: var(--teal); }

/* === CERTIFICATE PREVIEW === */
.cert-preview {
  margin-top: 2rem;
}
.cert-preview h2 {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}
.cert-doc {
  background: var(--surface);
  border: 1px solid var(--teal);
  border-radius: 10px;
  padding: 1.5rem;
}
.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--teal);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}
.cert-logo {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--teal);
}
.cert-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  text-align: right;
}
.cert-subtitle {
  font-size: 0.78rem;
  color: var(--muted);
  text-align: right;
}
.cert-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.cert-table td {
  padding: 0.5rem 0.25rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.cert-table td:first-child { width: 35%; color: var(--muted); font-weight: 600; }
.cert-table td:last-child { color: var(--white); }
.cert-footer {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  font-style: italic;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .item-row { flex-direction: column; align-items: flex-start; }
  .item-meta { margin-top: 0.4rem; }
  .app-header { flex-direction: column; gap: 0.75rem; align-items: flex-start; }
}