/*
  Kurumi Tokisaki dashboard design system (Phase 2).
  Project-owned stylesheet served via /kurumi-static/.
  This layer is additive: it does not replace the upstream dashboard CSS.
*/

:root {
  /* Surfaces */
  --kurumi-obsidian: #07060B;
  --kurumi-charcoal: #110E12;
  --kurumi-surface: #1A1518;
  --kurumi-elevated: #261F24;

  /* Accents */
  --kurumi-crimson: #9A1B12;
  --kurumi-crimson-deep: #6E120C;
  --kurumi-crimson-high: #C8201A;
  --kurumi-gold: #B08A3E;
  --kurumi-burgundy: #3A1010;

  /* Text */
  --kurumi-ivory: #EFE3D2;
  --kurumi-ivory-muted: #B7A992;

  /* Semantic */
  --kurumi-success: #4F7A4A;
  --kurumi-warning: #B8862E;
  --kurumi-info: #5A7A8C;
  --kurumi-error: #C23B2E;
  --kurumi-disabled: #5A4F50;
  --kurumi-focus: #E9C46A;

  /* Derived */
  --kurumi-border: rgba(176, 142, 62, 0.18);
  --kurumi-border-strong: rgba(176, 142, 62, 0.32);
  --kurumi-line: rgba(239, 227, 210, 0.08);
  --kurumi-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 2px 6px rgba(0, 0, 0, 0.35);
}

.kurumi {
  color-scheme: dark;
  background-color: var(--kurumi-obsidian);
  color: var(--kurumi-ivory);
}

.kurumi :where(body, html) {
  background-color: var(--kurumi-obsidian);
  color: var(--kurumi-ivory);
}

/* Display typography */
.kurumi-display {
  font-family: "Cormorant Garamond", "Playfair Display", "EB Garamond", "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.15;
}

/* Interface typography */
.kurumi-ui {
  font-family: "Source Sans 3", "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

/* Surfaces */
.kurumi-panel {
  background-color: var(--kurumi-charcoal);
  border: 1px solid var(--kurumi-border);
  border-radius: 10px;
  box-shadow: var(--kurumi-shadow);
}

.kurumi-card {
  background-color: var(--kurumi-surface);
  border: 1px solid var(--kurumi-border);
  border-radius: 10px;
}

.kurumi-raised {
  background-color: var(--kurumi-elevated);
}

/* Hairline dividers */
.kurumi-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--kurumi-gold), transparent);
  opacity: 0.35;
  border: none;
  margin: 1rem 0;
}

/* Buttons */
.kurumi-btn {
  font-family: inherit;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease, transform 80ms ease, color 140ms ease;
}

.kurumi-btn:active {
  transform: translateY(1px);
}

.kurumi-btn:focus-visible {
  outline: 2px solid var(--kurumi-focus);
  outline-offset: 2px;
}

.kurumi-btn-primary {
  background-color: var(--kurumi-crimson);
  border-color: var(--kurumi-crimson-deep);
  color: var(--kurumi-ivory);
}

.kurumi-btn-primary:hover {
  background-color: var(--kurumi-crimson-high);
  border-color: var(--kurumi-crimson-high);
}

.kurumi-btn-secondary {
  background-color: transparent;
  border-color: var(--kurumi-border-strong);
  color: var(--kurumi-ivory);
}

.kurumi-btn-secondary:hover {
  background-color: var(--kurumi-elevated);
  border-color: var(--kurumi-gold);
  color: var(--kurumi-ivory);
}

.kurumi-btn-ghost {
  background-color: transparent;
  color: var(--kurumi-ivory-muted);
}

.kurumi-btn-ghost:hover {
  background-color: var(--kurumi-elevated);
  color: var(--kurumi-ivory);
}

.kurumi-btn-danger {
  background-color: var(--kurumi-error);
  border-color: #8E2A22;
  color: var(--kurumi-ivory);
}

.kurumi-btn-danger:hover {
  background-color: #D84738;
}

.kurumi-btn[disabled],
.kurumi-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form controls */
.kurumi-field {
  font-family: inherit;
  background-color: var(--kurumi-charcoal);
  border: 1px solid var(--kurumi-border);
  border-radius: 8px;
  color: var(--kurumi-ivory);
  padding: 0.55rem 0.75rem;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.kurumi-field:focus {
  outline: none;
  border-color: var(--kurumi-gold);
  box-shadow: 0 0 0 3px rgba(176, 142, 62, 0.25);
}

.kurumi-field::placeholder {
  color: var(--kurumi-ivory-muted);
  opacity: 1;
}

.kurumi-label {
  font-weight: 600;
  color: var(--kurumi-ivory);
}

.kurumi-help {
  color: var(--kurumi-ivory-muted);
  font-size: 0.875rem;
}

.kurumi-field-error {
  color: var(--kurumi-error);
  border-color: var(--kurumi-error);
}

.kurumi-field-error-message {
  color: var(--kurumi-error);
  font-size: 0.85rem;
}

.kurumi-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  background-color: var(--kurumi-disabled);
  border-radius: 999px;
  transition: background-color 140ms ease;
}

.kurumi-switch[data-checked="true"] {
  background-color: var(--kurumi-crimson);
}

.kurumi-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background-color: var(--kurumi-ivory);
  border-radius: 50%;
  transition: transform 140ms ease;
}

.kurumi-switch[data-checked="true"]::after {
  transform: translateX(16px);
}

/* Tables */
.kurumi-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--kurumi-ivory);
}

.kurumi-table th {
  text-align: left;
  font-weight: 600;
  color: var(--kurumi-ivory-muted);
  border-bottom: 1px solid var(--kurumi-border);
  padding: 0.6rem 0.75rem;
}

.kurumi-table td {
  border-bottom: 1px solid var(--kurumi-line);
  padding: 0.6rem 0.75rem;
}

.kurumi-table tr:hover td {
  background-color: var(--kurumi-surface);
}

/* Tabs */
.kurumi-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  font-weight: 600;
  color: var(--kurumi-ivory-muted);
  background-color: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease;
}

.kurumi-tab:hover {
  color: var(--kurumi-ivory);
  background-color: var(--kurumi-elevated);
}

.kurumi-tab[aria-selected="true"],
.kurumi-tab.is-active {
  color: var(--kurumi-ivory);
  background-color: var(--kurumi-surface);
  border-color: var(--kurumi-border);
}

.kurumi-tab:focus-visible {
  outline: 2px solid var(--kurumi-focus);
  outline-offset: 2px;
}

/* Dropdowns */
.kurumi-menu {
  background-color: var(--kurumi-charcoal);
  border: 1px solid var(--kurumi-border);
  border-radius: 10px;
  box-shadow: var(--kurumi-shadow);
  padding: 0.3rem;
}

.kurumi-menu-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  color: var(--kurumi-ivory);
  cursor: pointer;
}

.kurumi-menu-item:hover {
  background-color: var(--kurumi-elevated);
  color: var(--kurumi-ivory);
}

.kurumi-menu-item:focus-visible {
  outline: 2px solid var(--kurumi-focus);
  outline-offset: -2px;
}

.kurumi-menu-item[disabled] {
  color: var(--kurumi-disabled);
  pointer-events: none;
}

/* Dialogs / modals */
.kurumi-overlay {
  background-color: rgba(5, 4, 7, 0.7);
}

.kurumi-dialog {
  background-color: var(--kurumi-charcoal);
  border: 1px solid var(--kurumi-border-strong);
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.kurumi-dialog-header {
  border-bottom: 1px solid var(--kurumi-border);
  padding: 1rem 1.25rem;
}

.kurumi-dialog-body {
  padding: 1.25rem;
}

.kurumi-dialog-footer {
  border-top: 1px solid var(--kurumi-border);
  padding: 0.85rem 1.25rem;
}

/* Toasts / notifications */
.kurumi-toast {
  background-color: var(--kurumi-charcoal);
  border-left: 4px solid var(--kurumi-gold);
  border-radius: 8px;
  box-shadow: var(--kurumi-shadow);
  color: var(--kurumi-ivory);
}

.kurumi-toast[data-type="success"] {
  border-left-color: var(--kurumi-success);
}

.kurumi-toast[data-type="warning"] {
  border-left-color: var(--kurumi-warning);
}

.kurumi-toast[data-type="error"],
.kurumi-toast[data-type="danger"] {
  border-left-color: var(--kurumi-error);
}

.kurumi-toast[data-type="info"] {
  border-left-color: var(--kurumi-info);
}

/* Loading / empty states */
.kurumi-spinner {
  border: 2px solid var(--kurumi-border);
  border-top-color: var(--kurumi-crimson);
  border-radius: 50%;
  width: 1rem;
  height: 1rem;
  animation: kurumi-spin 0.8s linear infinite;
}

@keyframes kurumi-spin {
  to { transform: rotate(360deg); }
}

.kurumi-skeleton {
  background-color: var(--kurumi-surface);
  border-radius: 6px;
}

.kurumi-empty-state {
  text-align: center;
  color: var(--kurumi-ivory-muted);
  padding: 2.5rem 1rem;
}

/* Navigation */
.kurumi-nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  color: var(--kurumi-ivory-muted);
  text-decoration: none;
  transition: background-color 140ms ease, color 140ms ease;
}

.kurumi-nav-item:hover {
  background-color: var(--kurumi-elevated);
  color: var(--kurumi-ivory);
}

.kurumi-nav-item.is-active {
  color: var(--kurumi-ivory);
  background-color: var(--kurumi-surface);
  border-left: 2px solid var(--kurumi-crimson);
}

.kurumi-nav-item:focus-visible {
  outline: 2px solid var(--kurumi-focus);
  outline-offset: 2px;
}

/* Clockwork decorative motif */
.kurumi-clock-ring {
  --ring-color: var(--kurumi-gold);
  --tick-color: rgba(176, 142, 62, 0.35);
  color: var(--ring-color);
  pointer-events: none;
}

/* Shared shell overrides */
.kurumi-body-underlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.kurumi-stage {
  min-height: 100vh;
  padding: 2rem 1.25rem;
  box-sizing: border-box;
}

@media (max-width: 575.98px) {
  .kurumi-stage {
    padding: 1.25rem 0.75rem;
  }
}

.kurumi-shell-head {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  font-family: "Cormorant Garamond", "Playfair Display", "EB Garamond", "Times New Roman", serif;
  color: var(--kurumi-gold);
  opacity: 0.14;
  overflow: hidden;
}
.kurumi-shell-head__foil {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 30vh;
  height: 30vh;
  pointer-events: none;
  z-index: -1;
}
.kurumi-shell-head__inner {
  position: absolute;
  right: -0.25em;
  top: 3.2rem;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: clamp(1.6rem, 6vw, 3.4rem);
  letter-spacing: 0.5em;
  transform: rotate(180deg);
  user-select: none;
}

.kurumi-nav {
  background: transparent;
}

.kurumi-sidebar {
  border-color: var(--kurumi-border);
}

.kurumi-footer {
  border-top: 1px solid var(--kurumi-border);
  background-color: var(--kurumi-charcoal);
}

/* Body font pair for the shell. */
.kurumi-body {
  font-family: "Source Sans 3", "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .kurumi-spinner {
    animation: none;
    border-top-color: var(--kurumi-gold);
  }
  .kurumi-btn,
  .kurumi-field,
  .kurumi-tab,
  .kurumi-nav-item,
  .kurumi-switch,
  .kurumi-menu-item,
  .kurumi-shell-head__inner {
    transition: none;
  }
}