/*
File: public/assets/app.css
Description:
Modern SaaS design system and application shell styles for PCBHub.
*/

:root {
  --ck-bg: #f4f7fb;
  --ck-surface: #ffffff;
  --ck-surface-soft: #f8fafc;
  --ck-surface-muted: #eef3f8;
  --ck-text: #17212f;
  --ck-text-muted: #64748b;
  --ck-line: #d9e2ec;
  --ck-line-strong: #b7c4d4;
  --ck-primary: #175cd3;
  --ck-primary-dark: #123f91;
  --ck-accent: #0f9f9a;
  --ck-danger: #c2410c;
  --ck-warning: #b7791f;
  --ck-success: #16803c;
  --ck-graphite: #111827;
  --ck-sidebar: #111a27;
  --ck-sidebar-soft: #1c2736;
  --ck-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --ck-shadow-md: 0 12px 30px rgba(15, 23, 42, 0.10);
  --ck-shadow-lg: 0 22px 60px rgba(15, 23, 42, 0.16);
  --ck-radius-sm: 6px;
  --ck-radius: 8px;
  --ck-radius-lg: 12px;
  --ck-space-1: 4px;
  --ck-space-2: 8px;
  --ck-space-3: 12px;
  --ck-space-4: 16px;
  --ck-space-5: 20px;
  --ck-space-6: 24px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ck-text);
  background: var(--ck-bg);
}

* {
  box-sizing: border-box;
}

body {
  background:
    radial-gradient(circle at top left, rgba(23, 92, 211, 0.08), transparent 28rem),
    linear-gradient(180deg, #fbfdff 0%, var(--ck-bg) 32rem);
  color: var(--ck-text);
  letter-spacing: 0;
  margin: 0;
}

a {
  color: var(--ck-primary);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: 30px;
  line-height: 1.15;
  margin-bottom: var(--ck-space-2);
}

h2 {
  font-size: 18px;
  line-height: 1.25;
  margin-bottom: var(--ck-space-4);
}

p {
  color: var(--ck-text-muted);
}

.ck-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns 0.2s ease;
}

.ck-sidebar {
  background: linear-gradient(180deg, var(--ck-sidebar) 0%, #0c1220 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  color: #e5edf7;
  padding: var(--ck-space-5);
  position: sticky;
  top: 0;
  height: 100vh;
}

.ck-sidebar-toggle {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--ck-radius);
  color: #e5edf7;
  cursor: pointer;
  display: inline-flex;
  font-size: 16px;
  height: 34px;
  justify-content: center;
  margin-bottom: var(--ck-space-4);
  width: 38px;
}

.ck-sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
}

.ck-brand {
  color: #ffffff;
  display: block;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: var(--ck-space-6);
  text-decoration: none;
}

.ck-brand::after {
  background: linear-gradient(90deg, var(--ck-primary), var(--ck-accent));
  border-radius: 999px;
  content: "";
  display: block;
  height: 3px;
  margin-top: var(--ck-space-2);
  width: 54px;
}

.ck-nav {
  display: grid;
  gap: var(--ck-space-2);
}

.ck-nav a {
  border-radius: var(--ck-radius);
  color: #cbd5e1;
  padding: 10px 12px;
  text-decoration: none;
}

.ck-nav a:hover {
  background: var(--ck-sidebar-soft);
  color: #ffffff;
}

.ck-user {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  font-size: 13px;
  margin-top: var(--ck-space-6);
  padding-top: var(--ck-space-4);
}

.ck-sidebar-meta {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--ck-radius);
  color: #cbd5e1;
  display: grid;
  font-size: 12px;
  gap: 4px;
  margin-top: var(--ck-space-6);
  padding: var(--ck-space-3);
}

.ck-sidebar-meta strong {
  color: #ffffff;
}

.ck-main {
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  max-width: 1480px;
  min-height: 100vh;
  overflow-x: auto;
  padding: var(--ck-space-6);
  width: 100%;
}

.ck-main > .ck-footerbar {
  margin-top: auto;
}

.ck-topbar {
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius-lg);
  box-shadow: var(--ck-shadow-sm);
  display: grid;
  gap: var(--ck-space-4);
  grid-template-columns: auto 1fr auto;
  margin-bottom: var(--ck-space-5);
  padding: 12px 14px;
  position: sticky;
  top: var(--ck-space-4);
  z-index: 20;
}

.ck-topbar-brand {
  color: var(--ck-graphite);
  font-weight: 850;
  text-decoration: none;
}

.ck-breadcrumbs {
  align-items: center;
  color: var(--ck-text-muted);
  display: flex;
  gap: var(--ck-space-2);
  min-width: 0;
}

.ck-breadcrumbs a {
  color: var(--ck-text-muted);
  text-decoration: none;
}

.ck-breadcrumbs strong {
  color: var(--ck-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ck-topbar-user {
  background: var(--ck-surface-muted);
  border-radius: 999px;
  color: var(--ck-text);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 10px;
}

.ck-user-menu {
  position: relative;
}

.ck-user-menu summary {
  align-items: center;
  background: var(--ck-surface-muted);
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  gap: 8px;
  list-style: none;
  padding: 5px 8px 5px 5px;
}

.ck-user-menu summary::-webkit-details-marker {
  display: none;
}

.ck-avatar {
  align-items: center;
  background: linear-gradient(135deg, var(--ck-primary), var(--ck-accent));
  border-radius: 999px;
  color: #ffffff;
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  height: 28px;
  justify-content: center;
  width: 28px;
}

.ck-presence {
  align-items: center;
  color: var(--ck-text-muted);
  display: inline-flex;
  font-size: 11px;
  gap: 4px;
}

.ck-presence::before {
  background: var(--ck-success);
  border-radius: 999px;
  content: "";
  height: 7px;
  width: 7px;
}

.ck-user-menu-panel {
  background: #ffffff;
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  box-shadow: var(--ck-shadow-lg);
  display: grid;
  min-width: 190px;
  padding: 8px;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 50;
}

.ck-user-menu-panel a {
  border-radius: var(--ck-radius-sm);
  color: var(--ck-text);
  padding: 9px 10px;
  text-decoration: none;
}

.ck-user-menu-panel a:hover {
  background: var(--ck-surface-muted);
}

.ck-user-menu-panel span {
  color: var(--ck-text-muted);
  float: right;
  font-size: 11px;
}

.ck-footerbar {
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius-lg);
  color: var(--ck-text-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  gap: 10px 14px;
  margin-top: var(--ck-space-6);
  padding: 12px 14px;
}

.ck-login-body {
  min-height: 100vh;
}

.ck-login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: var(--ck-space-6);
}

.ck-login-shell .ck-login {
  margin: 0;
  width: min(430px, 100%);
}

.ck-page-head {
  align-items: flex-start;
  background:
    linear-gradient(135deg, rgba(23, 92, 211, 0.10), rgba(15, 159, 154, 0.08)),
    var(--ck-surface);
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius-lg);
  box-shadow: var(--ck-shadow-sm);
  display: flex;
  gap: var(--ck-space-4);
  justify-content: space-between;
  margin-bottom: var(--ck-space-5);
  padding: var(--ck-space-6);
}

.ck-card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius-lg);
  box-shadow: var(--ck-shadow-sm);
  margin-bottom: var(--ck-space-5);
  padding: var(--ck-space-5);
}

.ck-card:hover {
  box-shadow: var(--ck-shadow-md);
}

.ck-login {
  max-width: 430px;
  margin: 88px auto;
}

.ck-grid {
  display: grid;
  gap: var(--ck-space-4);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.ck-project-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.ck-project-card {
  color: inherit;
  display: grid;
  gap: var(--ck-space-2);
  min-height: 150px;
  position: relative;
  text-decoration: none;
}

.ck-project-card strong {
  font-size: 18px;
}

.ck-project-card::before {
  background: linear-gradient(180deg, var(--ck-primary), var(--ck-accent));
  border-radius: 999px;
  content: "";
  height: calc(100% - 32px);
  left: 0;
  position: absolute;
  top: 16px;
  width: 3px;
}

.ck-feature-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin-bottom: var(--ck-space-5);
}

.ck-feature-card {
  margin-bottom: 0;
  min-height: 126px;
}

.ck-feature-card strong {
  color: var(--ck-text-muted);
  font-size: 14px;
  text-transform: uppercase;
}

.ck-feature-card span {
  font-size: 24px;
  font-weight: 850;
}

.ck-feature-card small {
  color: var(--ck-text-muted);
}

.ck-feature-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin-bottom: var(--ck-space-5);
}

.ck-feature-card {
  margin-bottom: 0;
  min-height: 126px;
}

.ck-feature-card strong {
  font-size: 14px;
  text-transform: uppercase;
  color: var(--ck-text-muted);
}

.ck-feature-card span {
  font-size: 24px;
  font-weight: 850;
}

.ck-feature-card small {
  color: var(--ck-text-muted);
}

.ck-feature-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin-bottom: var(--ck-space-5);
}

.ck-feature-card {
  margin-bottom: 0;
  min-height: 126px;
}

.ck-feature-card strong {
  font-size: 14px;
  text-transform: uppercase;
  color: var(--ck-text-muted);
}

.ck-feature-card span {
  font-size: 24px;
  font-weight: 850;
}

.ck-feature-card small {
  color: var(--ck-text-muted);
}

.ck-form,
.ck-upload,
.ck-actions {
  align-items: end;
  display: flex;
  flex-wrap: wrap;
  gap: var(--ck-space-3);
}

.ck-form label {
  color: var(--ck-text);
  display: grid;
  font-weight: 700;
  gap: 6px;
}

input,
select,
textarea,
.ck-button {
  border: 1px solid var(--ck-line-strong);
  border-radius: var(--ck-radius);
  font: inherit;
  min-height: 40px;
  padding: 0 12px;
}

input,
select,
textarea {
  background: #ffffff;
  color: var(--ck-text);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--ck-primary);
  box-shadow: 0 0 0 3px rgba(23, 92, 211, 0.14);
  outline: none;
}

.ck-button {
  align-items: center;
  background: var(--ck-primary);
  border-color: var(--ck-primary);
  color: #ffffff;
  cursor: pointer;
  display: inline-flex;
  font-weight: 700;
  gap: var(--ck-space-2);
  justify-content: center;
  text-decoration: none;
}

.ck-button:hover {
  background: var(--ck-primary-dark);
  border-color: var(--ck-primary-dark);
}

.ck-button-secondary {
  background: var(--ck-graphite);
  border-color: var(--ck-graphite);
}

.ck-button-ghost {
  background: #ffffff;
  border-color: var(--ck-line);
  color: var(--ck-text);
}

.ck-button-danger {
  background: var(--ck-danger);
  border-color: var(--ck-danger);
}

.ck-button-sm {
  border-radius: var(--ck-radius-sm);
  font-size: 13px;
  min-height: 30px;
  padding: 0 10px;
}

.ck-tabs,
.ck-version-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ck-space-2);
  margin-bottom: var(--ck-space-5);
}

.ck-tabs a,
.ck-chip,
.ck-badge {
  align-items: center;
  background: var(--ck-surface-muted);
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--ck-text);
  display: inline-flex;
  font-size: 13px;
  gap: 6px;
  min-height: 28px;
  padding: 5px 10px;
  text-decoration: none;
}

.ck-tabs a:hover,
.ck-chip:hover {
  background: #dbeafe;
  border-color: #bfdbfe;
}

.ck-chip-active {
  background: #dbeafe;
  border-color: var(--ck-primary);
  color: var(--ck-primary-dark);
}

.ck-badge-ready,
.ck-badge-success {
  background: #dcfce7;
  color: #166534;
}

.ck-badge-failed,
.ck-badge-error {
  background: #fee2e2;
  color: #991b1b;
}

.ck-badge-warning,
.ck-badge-unavailable,
.ck-badge-missing_source {
  background: #fef3c7;
  color: #92400e;
}

.ck-badge-native {
  background: #ede9fe;
  color: #5b21b6;
}

.ck-badge-kicad-cli {
  background: #dbeafe;
  color: #1e40af;
}

.ck-badge-sm {
  font-size: 11px;
  min-height: 22px;
  padding: 3px 8px;
}

.ck-stats {
  display: grid;
  gap: var(--ck-space-3);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: var(--ck-space-4);
}

.ck-stats div,
.ck-result-card {
  background: var(--ck-surface-soft);
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  display: grid;
  gap: 6px;
  padding: var(--ck-space-4);
}

.ck-stats strong {
  color: var(--ck-text-muted);
  font-size: 12px;
  text-transform: uppercase;
}

.ck-stats span {
  font-weight: 800;
}

.ck-table-wrap {
  border: 1px solid var(--ck-line);
  border-radius: var(--ck-radius);
  overflow: auto;
}

.ck-table {
  border-collapse: collapse;
  font-size: 13px;
  width: 100%;
}

.ck-table th,
.ck-table td {
  border-bottom: 1px solid var(--ck-line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.ck-table th {
  background: var(--ck-surface-soft);
  color: var(--ck-text-muted);
  font-size: 12px;
  position: sticky;
  text-transform: uppercase;
  top: 0;
}

.ck-table tr:hover td {
  background: #f8fbff;
}

.ck-code {
  background: #0f172a;
  border-radius: var(--ck-radius);
  color: #dbeafe;
  overflow: auto;
  padding: var(--ck-space-4);
}

.ck-flash {
  border: 1px solid transparent;
  border-radius: var(--ck-radius);
  margin-bottom: var(--ck-space-4);
  padding: 12px 14px;
}

.ck-flash-success {
  background: #dcfce7;
  border-color: #bbf7d0;
  color: #166534;
}

.ck-flash-error {
  background: #fee2e2;
  border-color: #fecaca;
  color: #991b1b;
}

.ck-flash-warning {
  background: #fef3c7;
  border-color: #fde68a;
  color: #92400e;
}

.ck-empty {
  align-items: center;
  background: var(--ck-surface-soft);
  border: 1px dashed var(--ck-line-strong);
  border-radius: var(--ck-radius-lg);
  display: grid;
  gap: var(--ck-space-2);
  justify-items: center;
  padding: 42px 20px;
  text-align: center;
}

body.ck-sidebar-collapsed .ck-shell {
  grid-template-columns: 56px minmax(0, 1fr);
}

body.ck-sidebar-collapsed .ck-sidebar {
  overflow: hidden;
  padding: var(--ck-space-3) var(--ck-space-2);
}

body.ck-sidebar-collapsed .ck-brand,
body.ck-sidebar-collapsed .ck-nav,
body.ck-sidebar-collapsed .ck-user {
  display: none;
}

@media (max-width: 900px) {
  .ck-shell {
    grid-template-columns: 1fr;
  }

  .ck-sidebar {
    height: auto;
    position: static;
  }

  .ck-main {
    padding: var(--ck-space-4);
  }

  .ck-page-head {
    display: grid;
  }
}