/* Atenify design system — Linear / Vercel inspired, industrial blue */

:root {
  /* Color tokens (light) */
  --background: oklch(0.995 0.002 250);
  --foreground: oklch(0.18 0.03 256);
  --surface: oklch(1 0 0);
  --surface-muted: oklch(0.975 0.005 250);
  --primary: oklch(0.36 0.12 258);
  --primary-foreground: oklch(0.99 0.003 250);
  --primary-soft: oklch(0.95 0.025 258);
  --muted-foreground: oklch(0.5 0.02 256);
  --border: oklch(0.92 0.008 256);
  --success: oklch(0.62 0.13 155);
  --warning: oklch(0.78 0.13 75);
  --destructive: oklch(0.58 0.2 27);
  --ring: oklch(0.36 0.12 258);
  --accent: oklch(0.96 0.012 258);
  --radius: 0.75rem;

  /* Shadows */
  --shadow-soft: 0 1px 2px 0 oklch(0.2 0.04 256 / 0.04), 0 1px 1px 0 oklch(0.2 0.04 256 / 0.03);
  --shadow-card: 0 1px 2px 0 oklch(0.2 0.04 256 / 0.04), 0 8px 24px -12px oklch(0.2 0.04 256 / 0.08);
  --shadow-pop: 0 10px 40px -10px oklch(0.2 0.04 256 / 0.18);

  /* Radii scale */
  --radius-md: 0.5rem;    /* 8px pills */
  --radius-lg: 0.625rem;  /* 10px inputs */
  --radius-xl: 0.75rem;   /* 12px cards */
  --radius-2xl: 1rem;     /* 16px hero panels */

  /* Legacy aliases */
  --bg: var(--background);
  --text: var(--foreground);
  --muted: var(--muted-foreground);
  --card: var(--surface);
  --brand: var(--primary);
  --secondary: var(--muted-foreground);
  --error: var(--destructive);
  --info: var(--primary);
}

@media (prefers-color-scheme: dark) {
  :root.auto-dark {
    --background: oklch(0.16 0.02 256);
    --foreground: oklch(0.97 0.005 250);
    --surface: oklch(0.2 0.025 256);
    --surface-muted: oklch(0.24 0.025 256);
    --primary: oklch(0.7 0.14 258);
    --primary-foreground: oklch(0.15 0.03 256);
    --primary-soft: oklch(0.28 0.04 258);
    --muted-foreground: oklch(0.68 0.02 256);
    --border: oklch(0.32 0.02 256);
    --ring: oklch(0.7 0.14 258);
    --accent: oklch(0.28 0.03 258);
  }
}

/* ── Grid tables ── */
.grid-table {
  --grid-table-cols: 1.6fr 1fr 1fr;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.grid-table--cols-2 { --grid-table-cols: 2fr 1fr; }
.grid-table--cols-3 { --grid-table-cols: 1.6fr 1fr 1fr; }
.grid-table--cols-4 { --grid-table-cols: 1.6fr 1fr 1.2fr 0.8fr; }
.grid-table--cols-5 { --grid-table-cols: 1.6fr 1fr 1.2fr 0.8fr 0.8fr; }
.grid-table--cols-6 { --grid-table-cols: 1.2fr 1.2fr 0.9fr 0.9fr 1.2fr 0.7fr; }
.grid-table--cols-7 { --grid-table-cols: 1.6fr 1fr 0.8fr 1.2fr 0.8fr 0.6fr 0.8fr; }
.grid-table--cols-9 { --grid-table-cols: 1.6fr 1fr 0.55fr 0.55fr 0.55fr 0.9fr 1fr 1fr 1fr; }

.grid-table__header,
.grid-table__row {
  display: grid;
  grid-template-columns: var(--grid-table-cols);
  align-items: center;
  gap: 1rem;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.grid-table__header {
  gap: 1rem;
  padding-top: 0.625rem;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-muted);
}

.grid-table__row {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--foreground);
  transition: background-color 0.2s ease;
}

.grid-table__row:last-child {
  border-bottom: none;
}

.grid-table__row--clickable {
  cursor: pointer;
}

.grid-table__row:hover {
  background: color-mix(in oklch, var(--accent) 50%, transparent);
}

.grid-table--static .grid-table__row {
  cursor: default;
}

.grid-table__cell--head {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  min-width: 0;
}

.grid-table__cell--sortable {
  cursor: pointer;
  user-select: none;
}

.grid-table__cell--sortable:hover {
  color: var(--foreground);
}

.grid-table__cell--center {
  text-align: center;
  justify-self: center;
}

.grid-table__cell {
  min-width: 0;
}

.grid-table__empty,
.grid-table__loading {
  padding: 1rem 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  border-bottom: 1px solid var(--border);
}

/* ── Base ── */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Geist', 'Geist Sans', ui-sans-serif, system-ui, sans-serif;
  background: var(--background);
  color: var(--foreground);
}

/* ── Card system ── */
.card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}

.card--clickable {
  cursor: pointer;
  transition: all 0.2s ease;
}

.card--clickable:hover {
  border-color: color-mix(in oklch, var(--primary) 40%, var(--border));
}

.surface-muted {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-muted);
  padding: 1rem;
}

.panel {
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

/* ── Pills ── */
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-md);
  padding: 0.125rem 0.5rem;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.35;
  white-space: nowrap;
}

.pill--primary {
  background: color-mix(in oklch, var(--primary) 15%, transparent);
  color: var(--primary);
}

.pill--success {
  background: color-mix(in oklch, var(--success) 15%, transparent);
  color: var(--success);
}

.pill--warning {
  background: color-mix(in oklch, var(--warning) 15%, transparent);
  color: var(--warning);
}

.pill--error,
.pill--destructive {
  background: color-mix(in oklch, var(--destructive) 15%, transparent);
  color: var(--destructive);
}

.pill--info {
  background: color-mix(in oklch, var(--primary) 15%, transparent);
  color: var(--primary);
}

.pill--muted {
  background: color-mix(in oklch, var(--muted-foreground) 15%, transparent);
  color: var(--muted-foreground);
}

.pill--accent {
  background: color-mix(in oklch, var(--primary) 15%, transparent);
  color: var(--primary);
}

/* ── Inputs ── */
.input,
select,
textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="date"],
input[type="file"]:not([style*="display: none"]) {
  height: 2.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0 0.75rem;
  font-size: 0.875rem;
  color: var(--foreground);
  transition: all 0.2s ease;
}

textarea {
  height: auto;
  min-height: 2.25rem;
  padding: 0.5rem 0.75rem;
}

.input:focus,
select:focus,
textarea:focus,
input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--ring);
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.25rem;
  padding: 0 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--primary);
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover:not(:disabled) {
  background: color-mix(in oklch, var(--primary) 92%, black);
  border-color: color-mix(in oklch, var(--primary) 92%, black);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.25rem;
  padding: 0 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover:not(:disabled) {
  border-color: color-mix(in oklch, var(--primary) 40%, var(--border));
  background: var(--surface-muted);
}

/* ── Avatar ── */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 2px solid var(--surface);
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 500;
  overflow: hidden;
}

/* ── Progress ── */
.progress-track {
  height: 0.25rem;
  border-radius: 9999px;
  background: var(--border);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(
    to right,
    var(--primary),
    color-mix(in oklch, var(--primary) 70%, transparent)
  );
}

/* ── Skeleton / AI pulse ── */
.skeleton {
  background: var(--surface-muted);
  border-radius: var(--radius-lg);
  animation: pulse-soft 1.8s ease-in-out infinite;
}

@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.ai-processing-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: var(--primary);
  animation: pulse-soft 1.2s ease-in-out infinite;
}

/* ── Alerts ── */
.alert {
  padding: 0.875rem;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
}

.alert-error {
  background: color-mix(in oklch, var(--destructive) 12%, var(--surface));
  color: var(--destructive);
  border: 1px solid color-mix(in oklch, var(--destructive) 25%, var(--border));
}

.alert-success {
  background: color-mix(in oklch, var(--success) 12%, var(--surface));
  color: var(--success);
  border: 1px solid color-mix(in oklch, var(--success) 25%, var(--border));
}

.alert-warning {
  background: color-mix(in oklch, var(--warning) 12%, var(--surface));
  color: color-mix(in oklch, var(--warning) 80%, var(--foreground));
  border: 1px solid color-mix(in oklch, var(--warning) 25%, var(--border));
}

/* ── Inline warning banners (PFMEA / control plan) ── */
.inline-warning-banner {
  margin: 0.75rem 0;
  border: 1px solid color-mix(in oklch, var(--warning) 40%, var(--border));
  background: color-mix(in oklch, var(--warning) 12%, var(--surface));
  border-radius: var(--radius-lg);
  padding: 0.75rem;
}

.inline-warning-banner summary {
  cursor: pointer;
  color: color-mix(in oklch, var(--warning) 80%, var(--foreground));
  font-weight: 600;
}

.inline-warning-banner ul {
  margin: 0.5rem 0 0 1rem;
  color: color-mix(in oklch, var(--warning) 75%, var(--foreground));
}

/* ── Upload / progress helpers ── */
.upload-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--surface-muted);
}

.upload-dropzone:hover {
  border-color: color-mix(in oklch, var(--primary) 40%, var(--border));
}

.project-progress-bar {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--surface-muted);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.progress-step {
  flex: 1;
  min-width: 120px;
  padding: 0.75rem;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: all 0.2s ease;
}

.progress-step.is-complete {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.progress-step.is-complete svg {
  color: var(--primary);
}

.progress-step.is-complete > div:last-child {
  color: var(--primary);
}

.progress-step-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--foreground);
}

.progress-step-status {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.text-muted {
  color: var(--muted-foreground);
}

/* ── Section typography ── */
.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--foreground);
  margin: 0 0 1rem;
}