/* Page-specific layouts */

/* Login */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--canvas);
}

.login-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl);
  background:
    linear-gradient(160deg, rgba(184, 0, 35, 0.08) 0%, transparent 50%),
    linear-gradient(0deg, #f5f5f5 0%, #ffffff 100%);
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.login-brand::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(226, 24, 51, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 24, 51, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.login-brand-inner {
  position: relative;
  z-index: 1;
  max-width: 420px;
}

.login-logo {
  width: 96px;
  height: 96px;
  object-fit: contain;
  margin-bottom: var(--space-lg);
}

.login-brand h1 {
  font-size: var(--display-lg-size);
  line-height: var(--display-lg-line);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.login-brand h1 span {
  color: var(--primary-cta);
}

.login-brand p {
  color: var(--secondary);
  font-size: var(--body-lg-size);
  line-height: var(--body-lg-line);
  max-width: 36ch;
}

.login-form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--margin-desktop);
  background: var(--surface-container-lowest);
}

.login-form-card {
  width: 100%;
  max-width: 400px;
}

.login-form-card h2 {
  margin-bottom: var(--space-xs);
}

.login-form-card > p {
  margin-bottom: var(--space-lg);
  color: var(--secondary);
}

.login-demo-hint {
  margin-top: var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  background: var(--surface-container-low);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--secondary);
}

.login-demo-hint code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--on-surface);
}

/* Dashboard map */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.area-map {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.area-section {
  min-width: 0;
}

.area-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.area-section-title h3 {
  font-size: var(--body-md-size);
  font-weight: 600;
  text-transform: none;
  letter-spacing: normal;
  color: var(--on-surface);
}

.machine-grid {
  display: grid;
  gap: var(--space-sm);
}

.machine-card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-sm);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.machine-card.is-warning {
  border-color: var(--status-warning);
}

.machine-card.is-critical {
  border-color: var(--status-critical);
}

.machine-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.machine-name {
  font-size: var(--body-md-size);
  font-weight: 600;
}

.machine-meta {
  font-size: 11px;
  color: var(--secondary);
}

.machine-temps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.temp-readout {
  background: var(--surface-container-low);
  border-radius: var(--radius);
  padding: 6px 8px;
}

.temp-readout .label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 2px;
}

.temp-readout .value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.2;
}

.temp-readout .value .unit {
  font-size: 12px;
  font-weight: 500;
  color: var(--secondary);
}

.machine-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-sm);
  font-size: 11px;
  color: var(--secondary);
}

.spc-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-sm);
}

.spc-toolbar .form-select {
  width: auto;
  min-width: 180px;
}

.spc-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 12px;
  color: var(--secondary);
  margin-top: var(--space-sm);
}

.spc-legend span::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 2px;
  margin-right: 6px;
  vertical-align: middle;
}

.spc-legend .ucl::before { background: var(--status-critical); }
.spc-legend .cl::before { background: var(--secondary); }
.spc-legend .lcl::before { background: var(--status-warning); }
.spc-legend .data::before { background: var(--primary-cta); }

.chart-container {
  position: relative;
  height: 280px;
  width: 100%;
}

/* Thresholds */
.rule-preview {
  padding: var(--space-sm) var(--space-md);
  background: var(--surface-container-low);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: var(--body-md-size);
  margin-top: var(--space-md);
}

.rule-preview code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--primary);
}

/* Alerts */
.template-preview {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #e8f5e9;
  border: 1px solid #c8e6c9;
  border-radius: var(--radius-lg);
  white-space: pre-wrap;
  font-size: var(--body-md-size);
  line-height: 1.5;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

/* Devices */
.health-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.signal-bars {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
  vertical-align: middle;
}

.signal-bars i {
  display: block;
  width: 3px;
  background: var(--status-success);
  border-radius: 1px;
}

.signal-bars i:nth-child(1) { height: 4px; }
.signal-bars i:nth-child(2) { height: 7px; }
.signal-bars i:nth-child(3) { height: 10px; }
.signal-bars i:nth-child(4) { height: 14px; }

.signal-bars.weak i { background: var(--status-warning); }
.signal-bars.weak i:nth-child(n+3) { background: var(--border); }
.signal-bars.offline i { background: var(--border); }

/* Historical */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: flex-end;
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.filter-bar .form-group {
  margin-bottom: 0;
  min-width: 140px;
}

.historical-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-lg);
}

.audit-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.audit-item {
  padding: var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-container-low);
}

.audit-item strong {
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}

.audit-item span {
  font-size: 12px;
  color: var(--secondary);
}

/* Users / RBAC */
.permission-matrix {
  overflow-x: auto;
}

.permission-matrix .check {
  color: var(--status-success);
  font-weight: 600;
}

.permission-matrix .deny {
  color: var(--status-offline);
}

.role-select-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--primary-fixed);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
}

.role-select-bar label {
  font-weight: 600;
  font-size: 13px;
}

.role-select-bar .form-select {
  width: auto;
  min-width: 180px;
  background: var(--surface-container-lowest);
}

@media (max-width: 1100px) {
  .dashboard-grid,
  .historical-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .login-page {
    grid-template-columns: 1fr;
  }

  .login-brand {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: var(--space-lg);
    min-height: auto;
  }

  .login-brand h1 {
    font-size: 32px;
    line-height: 40px;
  }

  .login-logo {
    width: 64px;
    height: 64px;
  }

  .area-map {
    grid-template-columns: 1fr;
  }

  .health-strip {
    grid-template-columns: 1fr;
  }
}