/* Legatus UI SDK — host-theme aware, Shadow DOM safe */

:host, .lg-root {
  --lg-accent: var(--qmf-color-primary, #0f766e);
  --lg-accent-soft: color-mix(in srgb, var(--lg-accent) 14%, transparent);
  --lg-danger: #dc2626;
  --lg-bg: var(--qmf-bg-primary, #ffffff);
  --lg-bg-elevated: var(--qmf-bg-secondary, #f8fafc);
  --lg-bg-hover: var(--qmf-bg-tertiary, #f1f5f9);
  --lg-text: var(--qmf-text-primary, #0f172a);
  --lg-text-muted: var(--qmf-text-muted, #64748b);
  --lg-border: var(--qmf-border-color, #e2e8f0);
  --lg-shadow: var(--qmf-shadow-lg, 0 18px 40px rgba(15, 23, 42, 0.14));
  --lg-radius: 14px;
  --lg-radius-sm: 10px;
  --lg-font: var(--qmf-font-sans, "Segoe UI", system-ui, -apple-system, sans-serif);
  --lg-z: 2147483000;
  font-family: var(--lg-font);
  color: var(--lg-text);
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-color-scheme: dark) {
  :host(:not([data-theme="light"])),
  .lg-root:not([data-theme="light"]) {
    --lg-bg: var(--qmf-bg-primary, #0b1220);
    --lg-bg-elevated: var(--qmf-bg-secondary, #111827);
    --lg-bg-hover: var(--qmf-bg-tertiary, #1f2937);
    --lg-text: var(--qmf-text-primary, #f8fafc);
    --lg-text-muted: var(--qmf-text-muted, #94a3b8);
    --lg-border: var(--qmf-border-color, #243044);
    --lg-shadow: 0 22px 48px rgba(0, 0, 0, 0.45);
  }
}

:host([data-theme="dark"]),
.lg-root[data-theme="dark"] {
  --lg-bg: var(--qmf-bg-primary, #0b1220);
  --lg-bg-elevated: var(--qmf-bg-secondary, #111827);
  --lg-bg-hover: var(--qmf-bg-tertiary, #1f2937);
  --lg-text: var(--qmf-text-primary, #f8fafc);
  --lg-text-muted: var(--qmf-text-muted, #94a3b8);
  --lg-border: var(--qmf-border-color, #243044);
  --lg-shadow: 0 22px 48px rgba(0, 0, 0, 0.45);
}

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

[hidden] { display: none !important; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

.lg-bell {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  color: var(--lg-text);
  transition: background 160ms ease, transform 160ms ease;
}

.lg-bell:hover,
.lg-bell[aria-expanded="true"] {
  background: var(--lg-bg-hover);
}

.lg-bell:active { transform: scale(0.96); }

.lg-bell svg {
  width: 22px;
  height: 22px;
  display: block;
}

/* Soft seal press on open */
.lg-bell[aria-expanded="true"] svg {
  transform: scale(0.94);
  transition: transform 160ms ease;
}

.lg-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--lg-danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  box-shadow: 0 0 0 2px var(--lg-bg);
  transform-origin: center;
  animation: lg-pop 280ms cubic-bezier(0.2, 0.9, 0.3, 1.25);
}

.lg-badge[hidden] { display: none !important; }

@keyframes lg-pop {
  from { transform: scale(0.4); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.lg-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(380px, calc(100vw - 24px));
  max-height: min(520px, 70vh);
  display: flex;
  flex-direction: column;
  background: var(--lg-bg);
  border: 1px solid var(--lg-border);
  border-radius: var(--lg-radius);
  box-shadow: var(--lg-shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition: opacity 160ms ease, transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: var(--lg-z);
}

.lg-panel[data-open="true"] {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.lg-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--lg-border);
}

.lg-panel-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.lg-link {
  color: var(--lg-accent);
  font-size: 12px;
  font-weight: 600;
}

.lg-link:hover { text-decoration: underline; }

.lg-list {
  overflow: auto;
  flex: 1;
  overscroll-behavior: contain;
}

.lg-empty,
.lg-loading,
.lg-error {
  padding: 28px 18px;
  text-align: center;
  color: var(--lg-text-muted);
  font-size: 13px;
}

.lg-item {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--lg-border) 70%, transparent);
  transition: background 120ms ease;
}

.lg-item:hover { background: var(--lg-bg-hover); }

.lg-dot {
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 999px;
  background: transparent;
}

.lg-item[data-unread="true"] .lg-dot {
  background: var(--lg-accent);
  box-shadow: 0 0 0 4px var(--lg-accent-soft);
}

.lg-item-title {
  font-size: 13px;
  font-weight: 650;
  line-height: 1.35;
  margin: 0 0 4px;
}

.lg-item[data-unread="false"] .lg-item-title {
  font-weight: 500;
  color: color-mix(in srgb, var(--lg-text) 82%, var(--lg-text-muted));
}

.lg-item-body {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--lg-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lg-item-meta {
  margin-top: 6px;
  font-size: 11px;
  color: var(--lg-text-muted);
  opacity: 0.85;
}

.lg-panel-foot {
  padding: 10px 16px 12px;
  border-top: 1px solid var(--lg-border);
  background: var(--lg-bg-elevated);
}

.lg-panel-foot button {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--lg-radius-sm);
  background: var(--lg-bg);
  border: 1px solid var(--lg-border);
  font-size: 13px;
  font-weight: 600;
}

.lg-panel-foot button:hover {
  border-color: color-mix(in srgb, var(--lg-accent) 45%, var(--lg-border));
  color: var(--lg-accent);
}

/* Mobile bottom sheet */
.lg-sheet-backdrop {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(2, 6, 23, 0.45);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease, visibility 180ms ease;
  z-index: calc(var(--lg-z) - 1);
}

.lg-sheet-backdrop[data-open="true"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lg-sheet {
  position: fixed;
  left: 50%;
  right: auto;
  bottom: 0;
  width: min(420px, 100vw);
  max-width: 100vw;
  max-height: min(86vh, 640px);
  display: flex;
  flex-direction: column;
  background: var(--lg-bg);
  border-radius: 18px 18px 0 0;
  border: 1px solid var(--lg-border);
  border-bottom: 0;
  box-shadow: var(--lg-shadow);
  transform: translate(-50%, 110%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 240ms;
  z-index: var(--lg-z);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.lg-sheet[data-open="true"] {
  transform: translate(-50%, 0);
  visibility: visible;
  pointer-events: auto;
}

.lg-sheet-handle {
  width: 42px;
  height: 4px;
  margin: 10px auto 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--lg-text-muted) 45%, transparent);
}

.lg-wrap {
  position: relative;
  display: inline-flex;
  vertical-align: middle;
}

/* Toast host */
.lg-toasts {
  position: fixed;
  z-index: calc(var(--lg-z) + 10);
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  width: min(360px, calc(100vw - 24px));
}

.lg-toasts[data-placement="top-right"] {
  top: 16px;
  right: 16px;
}

.lg-toasts[data-placement="bottom-center"] {
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
}

.lg-toast {
  pointer-events: auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--lg-bg);
  border: 1px solid var(--lg-border);
  box-shadow: var(--lg-shadow);
  animation: lg-toast-in 220ms ease;
}

.lg-toast[data-kind="success"] { border-color: color-mix(in srgb, #059669 40%, var(--lg-border)); }
.lg-toast[data-kind="error"] { border-color: color-mix(in srgb, var(--lg-danger) 40%, var(--lg-border)); }

.lg-toast-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
}

.lg-toast-body {
  margin: 2px 0 0;
  font-size: 12.5px;
  color: var(--lg-text-muted);
  grid-column: 1 / -1;
}

@keyframes lg-toast-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 720px) {
  .lg-panel { display: none !important; }
}

/* Desktop / tablet landscape: never show mobile sheet */
@media (min-width: 721px) {
  .lg-sheet,
  .lg-sheet-backdrop {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lg-sheet,
  .lg-sheet-backdrop,
  .lg-panel,
  .lg-center-backdrop,
  .lg-center-dialog {
    transition: none !important;
  }
}

/* ===== Notification center overlay (shadow host) ===== */
:host {
  position: fixed;
  inset: 0;
  z-index: calc(var(--lg-z, 2147483000) + 20);
  pointer-events: none;
  display: block;
}

:host([data-open="true"]) {
  pointer-events: auto;
}

.lg-center-root {
  position: fixed;
  inset: 0;
  z-index: calc(var(--lg-z) + 20);
  pointer-events: none;
}

.lg-center-root[data-open="true"] {
  pointer-events: auto;
}

.lg-center-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.48);
  opacity: 0;
  transition: opacity 200ms ease;
}

.lg-center-root[data-open="true"] .lg-center-backdrop {
  opacity: 1;
}

.lg-center-dialog {
  position: absolute;
  display: flex;
  flex-direction: column;
  background: var(--lg-bg);
  border: 1px solid var(--lg-border);
  box-shadow: var(--lg-shadow);
  overflow: hidden;
}

.lg-center-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.lg-center-close {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--lg-text-muted);
  font-size: 16px;
  line-height: 1;
}

.lg-center-close:hover {
  background: var(--lg-bg-hover);
  color: var(--lg-text);
}

.lg-center-dialog .lg-list {
  flex: 1;
  max-height: none;
  min-height: 0;
}

/* Desktop: centered modal popup */
@media (min-width: 721px) {
  .lg-center-dialog {
    top: 50%;
    left: 50%;
    width: min(560px, calc(100vw - 48px));
    max-height: min(78vh, 720px);
    border-radius: var(--lg-radius);
    transform: translate(-50%, -46%) scale(0.96);
    opacity: 0;
    transition:
      transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1),
      opacity 180ms ease;
  }

  .lg-center-root[data-open="true"] .lg-center-dialog {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

/* Mobile: drawer from the right edge */
@media (max-width: 720px) {
  .lg-center-dialog {
    top: 0;
    right: 0;
    bottom: 0;
    width: min(100vw, 420px);
    max-height: 100%;
    border-radius: 16px 0 0 16px;
    border-right: 0;
    transform: translateX(105%);
    opacity: 1;
    transition: transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
    padding-top: env(safe-area-inset-top, 0);
    padding-bottom: env(safe-area-inset-bottom, 0);
  }

  .lg-center-root[data-open="true"] .lg-center-dialog {
    transform: translateX(0);
  }
}