/* BOSS Design System — overlays (toasts, modals, confirm, loader, spinner) */

/* ── Toasts ── */
.boss-toast-stack {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: min(420px, calc(100vw - 32px));
  pointer-events: none;
}

.boss-toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.45;
  color: #f1f5f9;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  animation: boss-toast-enter 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes boss-toast-enter {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

.boss-toast.boss-toast--leaving {
  animation: boss-toast-leave 0.25s ease forwards;
}

@keyframes boss-toast-leave {
  to { opacity: 0; transform: translateX(24px); }
}

.boss-toast__icon {
  flex-shrink: 0;
  font-size: 1.1rem;
  margin-top: 1px;
}

.boss-toast__message {
  flex: 1;
  word-break: break-word;
}

.boss-toast__close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  margin: -2px -4px 0 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: inherit;
  opacity: 0.65;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
}

.boss-toast__close:hover,
.boss-toast__close:focus {
  opacity: 1;
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.boss-toast--success {
  background: var(--toast-success-bg);
  border-color: var(--success);
  color: #bbf7d0;
}

.boss-toast--success .boss-toast__icon { color: var(--success); }

.boss-toast--danger {
  background: var(--toast-danger-bg);
  border-color: var(--danger);
  color: #fecaca;
}

.boss-toast--danger .boss-toast__icon { color: var(--danger); }

.boss-toast--warning {
  background: var(--toast-warning-bg);
  border-color: var(--warning);
  color: #fde68a;
}

.boss-toast--warning .boss-toast__icon { color: var(--warning); }

.boss-toast--info {
  background: var(--toast-info-bg);
  border-color: var(--info);
  color: #bfdbfe;
}

.boss-toast--info .boss-toast__icon { color: var(--info); }

/* Legacy flash-toast aliases (deprecated — use boss-toast-*) */
.flash-toast-stack { position: fixed; top: 20px; right: 20px; z-index: var(--z-toast); display: flex; flex-direction: column; gap: 10px; max-width: min(420px, calc(100vw - 32px)); pointer-events: none; }
.flash-toast { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; border-radius: var(--radius-lg); font-size: 0.875rem; font-weight: 500; line-height: 1.45; pointer-events: auto; animation: boss-toast-enter 0.35s cubic-bezier(0.22, 1, 0.36, 1) both; }
.flash-toast--success { background: var(--toast-success-bg); border: 1px solid var(--success); color: #bbf7d0; }
.flash-toast--danger { background: var(--toast-danger-bg); border: 1px solid var(--danger); color: #fecaca; }
.flash-toast--warning { background: var(--toast-warning-bg); border: 1px solid var(--warning); color: #fde68a; }
.flash-toast--info { background: var(--toast-info-bg); border: 1px solid var(--info); color: #bfdbfe; }
.flash-toast--leaving { animation: boss-toast-leave 0.25s ease forwards; }

/* ── Modals ── */
.boss-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.boss-modal.is-open {
  display: flex;
}

.boss-modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(2px);
}

.boss-modal__dialog {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 2rem);
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.boss-modal__dialog--sm { max-width: 400px; }
.boss-modal__dialog--md { max-width: 560px; }
.boss-modal__dialog--lg { max-width: 720px; }
.boss-modal__dialog--full { max-width: 90vw; }

.boss-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.boss-modal__title {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.boss-modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.boss-modal__close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.boss-modal__body {
  padding: var(--space-6);
  overflow-y: auto;
  color: var(--text-secondary);
}

.boss-modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
}

body.boss-modal-open {
  overflow: hidden;
}

/* ── Confirm dialog ── */
.boss-confirm {
  position: fixed;
  inset: 0;
  z-index: var(--z-confirm);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.boss-confirm.is-open {
  display: flex;
}

.boss-confirm__backdrop {
  position: absolute;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(2px);
}

.boss-confirm__dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.boss-confirm__icon {
  font-size: 2rem;
  color: var(--warning);
  margin-bottom: var(--space-4);
}

.boss-confirm__message {
  margin: 0 0 var(--space-6);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.5;
}

.boss-confirm__actions {
  display: flex;
  gap: var(--space-3);
}

.boss-confirm__actions .boss-btn {
  flex: 1;
}

.boss-confirm__actions--multi {
  flex-wrap: wrap;
}

.boss-confirm__actions--multi .boss-btn {
  min-width: calc(33.333% - var(--space-3));
}

/* ── Fullscreen loader ── */
.boss-loader,
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(12, 14, 18, 0.92);
  z-index: var(--z-loader);
  display: none;
}

.boss-loader.is-visible,
.loader[style*='display: block'],
.loader[style*='display:block'] {
  display: block;
}

.boss-loader__box,
.loader_box {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 0;
  z-index: calc(var(--z-loader) + 1);
  text-align: center;
}

.boss-loader__logo,
.loader_logo {
  width: clamp(96px, 18vw, 140px);
  height: auto;
  max-height: 72px;
  object-fit: contain;
  animation: boss-loader-pulse 1.6s ease-in-out infinite;
}

.boss-loader__spinner,
.loader_spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--loader-accent, var(--brand-primary));
  border-radius: 50%;
  animation: boss-spin 0.85s linear infinite;
}

.boss-loader__text,
.loader_text {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.82);
  text-transform: uppercase;
}

@keyframes boss-loader-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.72; transform: scale(0.94); }
}

@keyframes boss-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ── Inline spinner ── */
.boss-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--text-muted);
  border-radius: 50%;
  animation: boss-spin 0.85s linear infinite;
  vertical-align: middle;
}

.boss-spinner--sm { width: 16px; height: 16px; border-width: 2px; }
.boss-spinner--md { width: 24px; height: 24px; }
.boss-spinner--lg { width: 36px; height: 36px; border-width: 3px; }

.boss-spinner--brand {
  border-top-color: var(--brand-primary);
}

/* Legacy mini-loader alias */
.mini-loader {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: boss-spin 0.85s linear infinite;
  vertical-align: middle;
}

@media (max-width: 640px) {
  .boss-toast-stack {
    top: 12px;
    right: 12px;
    left: 12px;
    max-width: none;
  }

  .boss-modal__footer,
  .boss-confirm__actions {
    flex-direction: column;
  }

  .boss-modal__footer .boss-btn,
  .boss-confirm__actions .boss-btn {
    width: 100%;
  }
}