/**
 * Unified Toast System
 * Zentrale Toast-Styles für die gesamte Localizer-App
 *
 * Features:
 * - Zentrale Positionierung
 * - Gestapelte Toasts (max 4)
 * - Ampelfarben (success, warning, error, info)
 * - Recording-Status mit pulsierendem Punkt
 * - Light/Dark Mode Support
 * - Extrem transparente Overlays
 */

/* ============================================
   CSS Variables - Light Mode (Default)
   ============================================ */
:root {
  /* Ampelfarben - dezent */
  --toast-success-bg: rgba(34, 197, 94, 0.12);
  --toast-success-border: rgba(34, 197, 94, 0.45);
  --toast-success-text: #166534;
  --toast-success-icon: #22c55e;

  --toast-warning-bg: rgba(245, 158, 11, 0.12);
  --toast-warning-border: rgba(245, 158, 11, 0.45);
  --toast-warning-text: #92400e;
  --toast-warning-icon: #f59e0b;

  --toast-error-bg: rgba(239, 68, 68, 0.12);
  --toast-error-border: rgba(239, 68, 68, 0.45);
  --toast-error-text: #991b1b;
  --toast-error-icon: #ef4444;

  --toast-info-bg: rgba(59, 130, 246, 0.12);
  --toast-info-border: rgba(59, 130, 246, 0.45);
  --toast-info-text: #1e40af;
  --toast-info-icon: #3b82f6;

  --toast-recording-bg: rgba(239, 68, 68, 0.12);
  --toast-recording-border: rgba(239, 68, 68, 0.45);
  --toast-recording-text: #991b1b;
  --toast-recording-icon: #ef4444;

  /* Toast Container */
  --toast-container-bg: rgba(255, 255, 255, 0.92);
  --toast-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  --toast-backdrop: blur(8px);
}

/* ============================================
   CSS Variables - Dark Mode
   ============================================ */
[data-theme="dark"],
html.dark-mode,
body.dark-mode,
body[data-theme="dark"],
html[data-theme="dark"] {
  --toast-success-bg: rgba(34, 197, 94, 0.18);
  --toast-success-border: rgba(34, 197, 94, 0.4);
  --toast-success-text: #86efac;
  --toast-success-icon: #4ade80;

  --toast-warning-bg: rgba(245, 158, 11, 0.18);
  --toast-warning-border: rgba(245, 158, 11, 0.4);
  --toast-warning-text: #fcd34d;
  --toast-warning-icon: #fbbf24;

  --toast-error-bg: rgba(239, 68, 68, 0.18);
  --toast-error-border: rgba(239, 68, 68, 0.4);
  --toast-error-text: #fca5a5;
  --toast-error-icon: #f87171;

  --toast-info-bg: rgba(59, 130, 246, 0.18);
  --toast-info-border: rgba(59, 130, 246, 0.4);
  --toast-info-text: #93c5fd;
  --toast-info-icon: #60a5fa;

  --toast-recording-bg: rgba(239, 68, 68, 0.18);
  --toast-recording-border: rgba(239, 68, 68, 0.4);
  --toast-recording-text: #fca5a5;
  --toast-recording-icon: #f87171;

  /* Toast Container */
  --toast-container-bg: rgba(15, 23, 42, 0.92);
  --toast-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

/* ============================================
   Toast Container
   ============================================ */
#unified-toast-container {
  position: fixed;
  left: 50%;
  top: 38%;
  transform: translateX(-50%);
  z-index: 100000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  max-width: 90vw;
}

/* ============================================
   Base Toast Styles
   ============================================ */
.unified-toast {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  max-width: 480px;
  padding: 14px 20px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: var(--toast-container-bg);
  box-shadow: var(--toast-shadow);
  backdrop-filter: var(--toast-backdrop);
  -webkit-backdrop-filter: var(--toast-backdrop);
  font-size: 14px;
  line-height: 1.5;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-12px) scale(0.95);
  transition: opacity 0.22s ease-out, transform 0.22s ease-out;
}

.unified-toast.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.unified-toast.is-exiting {
  opacity: 0;
  transform: translateY(-8px) scale(0.95);
  transition: opacity 0.18s ease-in, transform 0.18s ease-in;
}

/* Toast Icon */
.unified-toast-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

/* Toast Message */
.unified-toast-message {
  flex: 1;
  word-break: break-word;
}

/* Toast Close Button */
.unified-toast-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.15s, background 0.15s;
  font-size: 16px;
  color: inherit;
  padding: 0;
  margin-left: 4px;
}

.unified-toast-close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .unified-toast-close:hover,
html.dark-mode .unified-toast-close:hover,
body.dark-mode .unified-toast-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ============================================
   Toast Type: Success
   ============================================ */
.unified-toast.toast-success {
  background: var(--toast-success-bg);
  border-color: var(--toast-success-border);
  color: var(--toast-success-text);
  backdrop-filter: var(--toast-backdrop);
  -webkit-backdrop-filter: var(--toast-backdrop);
}

.unified-toast.toast-success .unified-toast-icon {
  color: var(--toast-success-icon);
}

/* ============================================
   Toast Type: Warning
   ============================================ */
.unified-toast.toast-warning {
  background: var(--toast-warning-bg);
  border-color: var(--toast-warning-border);
  color: var(--toast-warning-text);
  backdrop-filter: var(--toast-backdrop);
  -webkit-backdrop-filter: var(--toast-backdrop);
}

.unified-toast.toast-warning .unified-toast-icon {
  color: var(--toast-warning-icon);
}

/* ============================================
   Toast Type: Error
   ============================================ */
.unified-toast.toast-error {
  background: var(--toast-error-bg);
  border-color: var(--toast-error-border);
  color: var(--toast-error-text);
  backdrop-filter: var(--toast-backdrop);
  -webkit-backdrop-filter: var(--toast-backdrop);
}

.unified-toast.toast-error .unified-toast-icon {
  color: var(--toast-error-icon);
}

/* ============================================
   Toast Type: Info
   ============================================ */
.unified-toast.toast-info {
  background: var(--toast-info-bg);
  border-color: var(--toast-info-border);
  color: var(--toast-info-text);
  backdrop-filter: var(--toast-backdrop);
  -webkit-backdrop-filter: var(--toast-backdrop);
}

.unified-toast.toast-info .unified-toast-icon {
  color: var(--toast-info-icon);
}

/* ============================================
   Toast Type: Recording (Pulsierender Punkt)
   ============================================ */
.unified-toast.toast-recording {
  background: var(--toast-recording-bg);
  border-color: var(--toast-recording-border);
  color: var(--toast-recording-text);
  backdrop-filter: var(--toast-backdrop);
  -webkit-backdrop-filter: var(--toast-backdrop);
}

.unified-toast.toast-recording .unified-toast-icon {
  color: var(--toast-recording-icon);
  position: relative;
}

.unified-toast.toast-recording .unified-toast-icon::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--toast-recording-icon);
  animation: recording-pulse 1.2s ease-in-out infinite;
}

@keyframes recording-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.3);
  }
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 600px) {
  #unified-toast-container {
    top: auto;
    bottom: 20px;
    left: 10px;
    right: 10px;
    transform: none;
    max-width: none;
  }

  .unified-toast {
    min-width: 0;
    max-width: none;
    width: 100%;
  }
}

/* ============================================
   Accessibility - Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .unified-toast {
    transition: opacity 0.1s;
    transform: none;
  }

  .unified-toast.is-visible {
    transform: none;
  }

  .unified-toast.is-exiting {
    transform: none;
  }

  @keyframes recording-pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.5;
    }
  }
}