/**
 * MCP UI Design System — MagForge implementation
 * Based on mcp-ui-design-system v0.1 (read-only master)
 * Product accent: burgundy / editorial red (MagForge)
 * MF-P002: contrast/readability pass (dev review feedback)
 */

/* --- Design tokens (dark default) --- */
:root,
[data-theme="dark"] {
  color-scheme: dark;

  --mcp-font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mcp-font-mono: ui-monospace, "Cascadia Code", "Segoe UI Mono", Consolas, monospace;

  --mcp-shell-bg: #0a0f14;
  --mcp-panel-bg: #121820;
  --mcp-panel-elevated: #1c2530;
  --mcp-border: #3a4a5c;
  --mcp-text: #f1f3f6;
  --mcp-text-secondary: #c4ced8;
  --mcp-text-muted: #9aa8b6;
  --mcp-text-inverse: #0c1117;

  --mcp-content-bg: #161e28;
  --mcp-content-surface: #222d3b;

  --mcp-link: #8ec4f0;
  --mcp-link-hover: #b3d7f7;

  --mcp-brand-red: #c23a4b;
  --mcp-accent-secondary: #6a9fd4;
  --mcp-accent-product: #d46b82;

  --mcp-env-dev: #1d9bf0;
  --mcp-env-stage: #e89b2d;
  --mcp-env-live: #00ba7c;

  --mcp-status-draft: #a8b4c0;
  --mcp-status-ready: #7eb3e8;
  --mcp-status-progress: #f0b04a;
  --mcp-status-review: #e0c04a;
  --mcp-status-complete: #34d399;
  --mcp-status-failed: #f87171;
  --mcp-status-archived: #94a3b4;
  --mcp-status-warning: #f0b04a;

  --mcp-radius-sm: 4px;
  --mcp-radius-md: 8px;
  --mcp-radius-lg: 12px;

  --mcp-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --mcp-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);

  --mcp-sidebar-width: 15rem;
  --mcp-header-height: 3.25rem;
}

/* --- Light theme (ready; toggle via data-theme on html) --- */
[data-theme="light"] {
  color-scheme: light;

  --mcp-shell-bg: #ebe6df;
  --mcp-panel-bg: #ffffff;
  --mcp-panel-elevated: #f5f2ed;
  --mcp-border: #c4bbb0;
  --mcp-text: #12171e;
  --mcp-text-secondary: #3a4550;
  --mcp-text-muted: #4f5c68;
  --mcp-text-inverse: #ffffff;

  --mcp-content-bg: #f5f2ed;
  --mcp-content-surface: #ffffff;

  --mcp-link: #1d5f99;
  --mcp-link-hover: #164a78;

  --mcp-accent-secondary: #2d6ba8;
  --mcp-accent-product: #8b3048;

  --mcp-shadow-sm: 0 1px 2px rgba(26, 31, 38, 0.08);
  --mcp-shadow-md: 0 4px 12px rgba(26, 31, 38, 0.1);
}

/* --- Reset / base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
}

body.mcp-app {
  margin: 0;
  min-height: 100vh;
  font-family: var(--mcp-font-ui);
  font-size: 0.9375rem;
  line-height: 1.5;
  background: var(--mcp-shell-bg);
  color: var(--mcp-text);
}

a {
  color: var(--mcp-link);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--mcp-link) 45%, transparent);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--mcp-link-hover);
  text-decoration-color: currentColor;
}

code,
.mcp-code {
  font-family: var(--mcp-font-mono);
  font-size: 0.875em;
  background: var(--mcp-panel-elevated);
  padding: 0.12em 0.35em;
  border-radius: var(--mcp-radius-sm);
  border: 1px solid var(--mcp-border);
}

/* --- App shell --- */
.mcp-shell {
  display: grid;
  grid-template-columns: var(--mcp-sidebar-width) 1fr;
  grid-template-rows: var(--mcp-header-height) 1fr auto;
  grid-template-areas:
    "header header"
    "sidebar main"
    "sidebar footer";
  min-height: 100vh;
}

.mcp-header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.25rem;
  background: var(--mcp-panel-bg);
  border-bottom: 1px solid var(--mcp-border);
  box-shadow: var(--mcp-shadow-sm);
}

.mcp-header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.mcp-header__brand .mcp-parent {
  color: var(--mcp-text-secondary);
  font-weight: 500;
}

.mcp-header__brand .mcp-product {
  color: var(--mcp-text);
}

.mcp-header__brand .mcp-product-accent {
  color: var(--mcp-accent-product);
}

.mcp-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mcp-sidebar {
  grid-area: sidebar;
  background: var(--mcp-panel-bg);
  border-right: 1px solid var(--mcp-border);
  padding: 1rem 0;
  overflow-y: auto;
}

.mcp-main {
  grid-area: main;
  padding: 1.5rem 1.75rem 2rem;
  background: var(--mcp-content-bg);
  overflow-x: auto;
}

.mcp-footer {
  grid-area: footer;
  padding: 0.65rem 1.75rem;
  font-size: 0.75rem;
  color: var(--mcp-text-secondary);
  background: var(--mcp-panel-bg);
  border-top: 1px solid var(--mcp-border);
}

/* --- Environment badge --- */
.mcp-env-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--mcp-radius-sm);
  border: 1px solid transparent;
}

.mcp-env-badge--dev {
  color: var(--mcp-env-dev);
  background: color-mix(in srgb, var(--mcp-env-dev) 18%, transparent);
  border-color: color-mix(in srgb, var(--mcp-env-dev) 35%, transparent);
}

.mcp-env-badge--stage {
  color: var(--mcp-env-stage);
  background: color-mix(in srgb, var(--mcp-env-stage) 18%, transparent);
  border-color: color-mix(in srgb, var(--mcp-env-stage) 35%, transparent);
}

.mcp-env-badge--live {
  color: var(--mcp-env-live);
  background: color-mix(in srgb, var(--mcp-env-live) 18%, transparent);
  border-color: color-mix(in srgb, var(--mcp-env-live) 35%, transparent);
}

/* --- Sidebar nav --- */
.mcp-nav__section {
  padding: 0 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mcp-text-secondary);
}

.mcp-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mcp-nav__link {
  display: block;
  padding: 0.5rem 1rem;
  margin: 0 0.5rem;
  border-radius: var(--mcp-radius-md);
  color: var(--mcp-text-secondary);
  font-weight: 500;
  text-decoration: none;
}

.mcp-nav__link:hover {
  background: var(--mcp-panel-elevated);
  color: var(--mcp-text);
  text-decoration: none;
}

.mcp-nav__link.is-active {
  background: color-mix(in srgb, var(--mcp-accent-product) 28%, var(--mcp-panel-elevated));
  color: var(--mcp-text);
  font-weight: 600;
  border-left: 3px solid var(--mcp-accent-product);
  margin-left: calc(0.5rem - 3px);
  padding-left: calc(1rem - 3px);
}

.mcp-nav__link.is-disabled {
  color: var(--mcp-text-muted);
  opacity: 0.72;
  pointer-events: none;
}

/* --- Page title block --- */
.mcp-page-title {
  margin-bottom: 1.5rem;
}

.mcp-page-title h1 {
  margin: 0 0 0.35rem;
  font-size: 1.625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.mcp-page-title__desc {
  margin: 0;
  color: var(--mcp-text-secondary);
  max-width: 42rem;
}

.mcp-page-title__actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* --- Cards --- */
.mcp-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.mcp-card {
  background: var(--mcp-content-surface);
  border: 1px solid var(--mcp-border);
  border-radius: var(--mcp-radius-lg);
  padding: 1rem 1.1rem;
  box-shadow: var(--mcp-shadow-sm);
}

.mcp-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--mcp-text-secondary);
  margin: 0 0 0.25rem;
}

.mcp-card__value {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
  color: var(--mcp-accent-product);
}

.mcp-card__hint {
  font-size: 0.8125rem;
  color: var(--mcp-text-secondary);
  margin: 0.35rem 0 0;
}

/* --- Buttons --- */
.mcp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
  border-radius: var(--mcp-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.mcp-btn--primary {
  background: var(--mcp-accent-product);
  color: var(--mcp-text-inverse);
  border-color: var(--mcp-accent-product);
}

.mcp-btn--primary:hover {
  filter: brightness(1.08);
  text-decoration: none;
  color: #fff;
}

.mcp-btn--secondary {
  background: var(--mcp-panel-elevated);
  color: var(--mcp-text);
  border-color: var(--mcp-border);
}

.mcp-btn--ghost {
  background: transparent;
  color: var(--mcp-text-secondary);
  border-color: var(--mcp-border);
}

.mcp-btn--ghost:hover {
  background: var(--mcp-panel-elevated);
  color: var(--mcp-text);
  text-decoration: none;
}

.mcp-btn--danger {
  background: var(--mcp-status-failed);
  color: #fff;
}

.mcp-btn:disabled,
.mcp-btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* --- Status badges --- */
.mcp-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--mcp-border);
  background: var(--mcp-panel-elevated);
  color: var(--mcp-text);
}

.mcp-badge--draft {
  border-color: color-mix(in srgb, var(--mcp-status-draft) 55%, var(--mcp-border));
  color: var(--mcp-status-draft);
  background: color-mix(in srgb, var(--mcp-status-draft) 14%, var(--mcp-panel-elevated));
}
.mcp-badge--ready {
  border-color: color-mix(in srgb, var(--mcp-status-ready) 55%, var(--mcp-border));
  color: var(--mcp-status-ready);
  background: color-mix(in srgb, var(--mcp-status-ready) 16%, var(--mcp-panel-elevated));
}
.mcp-badge--progress {
  border-color: color-mix(in srgb, var(--mcp-status-progress) 55%, var(--mcp-border));
  color: var(--mcp-status-progress);
  background: color-mix(in srgb, var(--mcp-status-progress) 16%, var(--mcp-panel-elevated));
}
.mcp-badge--review {
  border-color: color-mix(in srgb, var(--mcp-status-review) 55%, var(--mcp-border));
  color: var(--mcp-status-review);
  background: color-mix(in srgb, var(--mcp-status-review) 16%, var(--mcp-panel-elevated));
}
.mcp-badge--complete {
  border-color: color-mix(in srgb, var(--mcp-status-complete) 55%, var(--mcp-border));
  color: var(--mcp-status-complete);
  background: color-mix(in srgb, var(--mcp-status-complete) 16%, var(--mcp-panel-elevated));
}
.mcp-badge--failed {
  border-color: color-mix(in srgb, var(--mcp-status-failed) 55%, var(--mcp-border));
  color: var(--mcp-status-failed);
  background: color-mix(in srgb, var(--mcp-status-failed) 16%, var(--mcp-panel-elevated));
}
.mcp-badge--warning {
  border-color: color-mix(in srgb, var(--mcp-status-warning) 55%, var(--mcp-border));
  color: var(--mcp-status-warning);
  background: color-mix(in srgb, var(--mcp-status-warning) 16%, var(--mcp-panel-elevated));
}

/* --- Tables --- */
.mcp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--mcp-border);
  border-radius: var(--mcp-radius-lg);
  background: var(--mcp-content-surface);
}

.mcp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.mcp-table th,
.mcp-table td {
  padding: 0.65rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--mcp-border);
}

.mcp-table th {
  font-weight: 600;
  color: var(--mcp-text-secondary);
  background: var(--mcp-panel-elevated);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mcp-table td {
  color: var(--mcp-text);
}

.mcp-table tbody tr:nth-child(even) {
  background: color-mix(in srgb, var(--mcp-panel-elevated) 35%, transparent);
}

.mcp-table tbody tr:hover {
  background: color-mix(in srgb, var(--mcp-accent-product) 10%, var(--mcp-content-surface));
}

/* --- Help / info box --- */
.mcp-help-box {
  padding: 1rem 1.1rem;
  border-radius: var(--mcp-radius-md);
  border: 1px solid var(--mcp-border);
  background: var(--mcp-panel-elevated);
  margin-bottom: 1.25rem;
}

.mcp-help-box--info {
  border-left: 4px solid var(--mcp-accent-secondary);
}

.mcp-help-box p {
  margin: 0;
  color: var(--mcp-text);
}

.mcp-help-box strong {
  color: var(--mcp-text);
}

.mcp-help-box p + p {
  margin-top: 0.5rem;
}

.mcp-help-box--empty,
.mcp-empty-state {
  text-align: left;
}

.mcp-help-box--empty p,
.mcp-empty-state p {
  color: var(--mcp-text-secondary);
}

/* --- Stack / utilities --- */
.mcp-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mcp-meta-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mcp-meta-list li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--mcp-border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.mcp-meta-list li:last-child {
  border-bottom: none;
}

.mcp-meta-list__label {
  color: var(--mcp-text-secondary);
}

/* --- Text utilities --- */
.mcp-text-muted {
  color: var(--mcp-text-muted);
}

.mcp-text-secondary {
  color: var(--mcp-text-secondary);
}

/* --- Form controls (filters, search) --- */
.mcp-app input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
.mcp-app select,
.mcp-app textarea {
  width: 100%;
  max-width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.65rem;
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--mcp-text);
  background: var(--mcp-panel-elevated);
  border: 1px solid var(--mcp-border);
  border-radius: var(--mcp-radius-md);
}

.mcp-app input::placeholder,
.mcp-app textarea::placeholder {
  color: var(--mcp-text-muted);
  opacity: 1;
}

.mcp-app input:focus,
.mcp-app select:focus,
.mcp-app textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--mcp-link) 65%, transparent);
  outline-offset: 1px;
  border-color: var(--mcp-link);
}

.mcp-app select {
  cursor: pointer;
}

.mcp-filters label {
  display: flex;
  flex-direction: column;
}

/* --- Pagination --- */
.mcp-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--mcp-text-secondary);
}

.mcp-pagination a {
  font-weight: 600;
}

/* --- In-content lists (detail views) --- */
.mcp-main ul:not(.mcp-nav__list):not(.mcp-meta-list) {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--mcp-text);
}

.mcp-main ul:not(.mcp-nav__list):not(.mcp-meta-list) li {
  padding: 0.2rem 0;
}

/* --- Responsive: collapse sidebar on narrow viewports --- */
@media (max-width: 768px) {
  .mcp-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main"
      "footer";
  }

  .mcp-sidebar {
    display: none;
  }
}