/* LingAudia – Multi-Language MP3 Generator */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

* { box-sizing: border-box; }

/* Gedämpfter Seitenhintergrund, Karten nicht reinweiß → weniger Blendung */
.sf-app {
  --sf-bg: #d4d9e5;
  --sf-bg-elevated: #e8ebf3;
  --sf-bg-card: #eceff6;
  --sf-bg-input: #e2e6ef;
  --sf-border: #c8cedc;
  --sf-border-focus: rgba(79, 70, 229, 0.45);
  --sf-accent: #4f46e5;
  --sf-accent-soft: rgba(79, 70, 229, 0.12);
  --sf-accent-hover: #6366f1;
  --sf-teal: #0891b2;
  --sf-teal-soft: rgba(8, 145, 178, 0.1);
  --sf-text: #1f2430;
  --sf-text-muted: #4a5160;
  --sf-success: #059669;
  --sf-gradient: linear-gradient(135deg, #4f46e5 0%, #0891b2 100%);
  --sf-gradient-subtle: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(8, 145, 178, 0.06) 100%);
  --sf-font: 'Inter', system-ui, sans-serif;
  --sf-shadow: 0 8px 30px rgba(31, 36, 48, 0.08);
  --sf-radius: 18px;
  --sf-radius-sm: 12px;

  /* Aliases for auth.js compatibility (uses --jp-* variables) */
  --jp-accent: var(--sf-accent);
  --jp-text-muted: var(--sf-text-muted);
  --jp-text: var(--sf-text);
}

.sf-app body {
  font-family: var(--sf-font);
  background: var(--sf-bg);
  color: var(--sf-text);
  min-height: 100vh;
  overflow-x: hidden;
}

.sf-app body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 90% 48% at 50% -20%, rgba(88, 166, 255, 0.04) 0%, transparent 55%),
    radial-gradient(ellipse 45% 34% at 98% 98%, rgba(31, 36, 48, 0.06) 0%, transparent 48%);
  pointer-events: none;
  z-index: 0;
}

/* Header */
.sf-app header {
  background: var(--sf-bg-elevated);
  border-bottom: 1px solid var(--sf-border);
  padding: 0;
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 10;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.85) inset;
}

.sf-app .header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.sf-app header h1 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--sf-text);
  display: inline-block;
  transition: transform 0.3s ease, color 0.2s ease;
}

.sf-app header h1:hover {
  transform: scale(1.02);
  color: var(--sf-accent);
}

.sf-app .sf-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.sf-app .sf-logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--sf-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.2);
}

.sf-app header nav {
  width: 100%;
  display: flex;
  justify-content: center;
}

.sf-app header nav ul {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.sf-app nav a {
  color: var(--sf-text-muted);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

.sf-app nav a:hover, .sf-app nav a.active {
  color: var(--sf-accent);
  text-decoration: none;
}

/* Main */
.sf-app main {
  max-width: 1020px;
  margin: 0 auto;
  padding: 2.5rem;
  position: relative;
  z-index: 1;
}

/* Hero */
.sf-hero {
  text-align: center;
  margin-bottom: 2.5rem;
  padding: 2rem 1rem;
}

.sf-hero h2 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 0.6rem;
  letter-spacing: -0.03em;
  color: var(--sf-text);
}

.sf-hero p {
  color: var(--sf-text-muted);
  font-size: 1.05rem;
  margin: 0;
  max-width: 600px;
  margin: 0 auto;
}

/* Cards */
.sf-card {
  background: var(--sf-bg-card);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  padding: 2rem 2.25rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 6px 24px rgba(31, 36, 48, 0.07);
}

.sf-card h2 {
  font-weight: 700;
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.sf-card h3 {
  font-weight: 600;
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

/* Free badge */
.sf-free-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-radius: var(--sf-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

.sf-free-badge.available {
  background: rgba(52, 211, 153, 0.12);
  color: var(--sf-success);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.sf-free-badge.used {
  background: var(--sf-accent-soft);
  color: var(--sf-accent);
  border: 1px solid rgba(79, 70, 229, 0.28);
}

/* Language Selection */
.sf-lang-select {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.25rem;
  align-items: end;
  margin-bottom: 1.25rem;
  padding: 1.25rem;
  background: var(--sf-gradient-subtle);
  border-radius: var(--sf-radius-sm);
  border: 1px solid var(--sf-border);
}

.sf-lang-swap {
  background: var(--sf-accent-soft);
  border: 1px solid rgba(79, 70, 229, 0.28);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.3rem;
  color: var(--sf-accent);
  transition: background 0.25s, transform 0.3s, box-shadow 0.2s;
  margin-bottom: 0.3rem;
  flex-shrink: 0;
}

.sf-lang-swap:hover {
  background: var(--sf-accent);
  color: white;
  transform: rotate(180deg);
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.22);
}

/* Voice selector */
.sf-voice-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

/* Input */
.sf-generator code {
  background: rgba(31, 36, 48, 0.06);
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  font-size: 0.9em;
}

.sf-generator .form-group label {
  color: var(--sf-text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.sf-generator textarea {
  min-height: 150px;
  font-size: 1rem;
  line-height: 1.6;
  background: var(--sf-bg-input);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-sm);
  padding: 1rem 1.1rem;
  color: var(--sf-text);
  font-family: var(--sf-font);
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
  width: 100%;
}

.sf-generator textarea::placeholder {
  color: rgba(31, 36, 48, 0.38);
}

.sf-generator textarea:focus {
  outline: none;
  border-color: var(--sf-border-focus);
  box-shadow: 0 0 0 3px var(--sf-accent-soft);
}

.sf-generator select,
.sf-lang-select select {
  background: var(--sf-bg-input);
  border: 1px solid var(--sf-border);
  border-radius: 10px;
  color: var(--sf-text);
  padding: 0.7rem 0.85rem;
  font-family: var(--sf-font);
  font-size: 0.95rem;
  width: 100%;
  cursor: pointer;
}

.sf-generator select:focus,
.sf-lang-select select:focus {
  outline: none;
  border-color: var(--sf-border-focus);
  box-shadow: 0 0 0 3px var(--sf-accent-soft);
}

/* Translate button in textarea */
.sf-translate-btn {
  position: absolute;
  bottom: 0.6rem;
  right: 0.6rem;
  padding: 0.45rem 0.9rem;
  background: var(--sf-teal-soft);
  color: var(--sf-teal);
  border: 1px solid rgba(8, 145, 178, 0.35);
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  z-index: 10;
  box-shadow: 0 2px 10px rgba(31, 36, 48, 0.07);
  font-family: var(--sf-font);
  letter-spacing: 0.01em;
}

.sf-translate-btn:hover:not(:disabled) {
  background: var(--sf-teal);
  color: white;
  transform: translateY(-1px);
}

.sf-translate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Translate hint card */
.sf-translate-hint-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--sf-teal-soft);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--sf-radius-sm);
  margin-top: 1rem;
}

.sf-translate-hint-card .hint-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.sf-translate-hint-card strong {
  color: var(--sf-teal);
}

.sf-translate-hint-card p {
  margin: 0.25rem 0 0.75rem;
  font-size: 0.9rem;
  color: var(--sf-text-muted);
}

.sf-translate-hint-card .hint-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sf-translate-hint-card .hint-btn {
  padding: 0.4rem 1rem;
  background: var(--sf-teal);
  color: white;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: filter 0.2s;
}

.sf-translate-hint-card .hint-btn:hover {
  filter: brightness(1.15);
  text-decoration: none;
  color: white;
}

.sf-translate-hint-card .hint-link {
  color: var(--sf-teal);
  font-size: 0.85rem;
}

/* Stats */
.sf-stats {
  display: flex;
  gap: 1.5rem;
  padding: 1.25rem;
  background: rgba(31, 36, 48, 0.03);
  border-radius: var(--sf-radius-sm);
  border: 1px solid var(--sf-border);
  margin-bottom: 1.5rem;
}

.sf-stat-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.75);
  border-radius: var(--sf-radius-sm);
  transition: background 0.2s ease;
}

.sf-stat-item:hover {
  background: #fff;
}

.sf-stat-icon {
  font-size: 1.5rem;
  filter: grayscale(0.3);
}

.sf-stat-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sf-stat-label {
  font-size: 0.85rem;
  color: var(--sf-text-muted);
  font-weight: 500;
}

.sf-stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--sf-teal);
}

/* Options */
.sf-options h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--sf-text);
}

.sf-options h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sf-text);
  opacity: 0.82;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sf-options-group {
  background: rgba(31, 36, 48, 0.02);
  border-radius: var(--sf-radius-sm);
  border: 1px solid var(--sf-border);
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  transition: border-color 0.2s;
}

.sf-options-group:hover {
  border-color: rgba(79, 70, 229, 0.2);
}

.sf-generator input[type="range"] {
  height: 6px;
  -webkit-appearance: none;
  background: var(--sf-bg);
  border: 1px solid var(--sf-border);
  border-radius: 10px;
}

.sf-generator input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--sf-accent);
  cursor: pointer;
  box-shadow: 0 0 0 4px var(--sf-accent-soft);
}

.sf-generator input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--sf-accent);
}

.range-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.range-value {
  color: var(--sf-teal);
  font-weight: 600;
  font-size: 0.9rem;
  min-width: 65px;
}

.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

/* Generate button */
.sf-generate-section {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--sf-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.sf-btn-generate {
  background: var(--sf-gradient);
  color: white;
  padding: 1.15rem 3rem;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--sf-radius-sm);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 6px 22px rgba(79, 70, 229, 0.22);
  font-family: var(--sf-font);
  letter-spacing: 0.01em;
}

.sf-btn-generate:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(79, 70, 229, 0.28);
}

.sf-btn-generate:active:not(:disabled) {
  transform: translateY(0);
}

.sf-btn-generate:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Sekundär (z. B. Favorit): heller Hintergrund → dunkle Schrift (nicht color:white vom Primary) */
.sf-btn-generate.sf-btn-secondary {
  background: var(--sf-bg-input);
  color: var(--sf-text);
  border: 1px solid var(--sf-border);
  box-shadow: 0 2px 10px rgba(31, 36, 48, 0.07);
}

.sf-btn-generate.sf-btn-secondary:hover:not(:disabled) {
  background: var(--sf-bg-card);
  border-color: var(--sf-accent);
  color: var(--sf-accent);
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.15);
  transform: translateY(-2px);
}

.sf-btn-icon {
  font-size: 1.3rem;
}

.sf-btn-text {
  letter-spacing: 0.02em;
}

.sf-generate-status {
  color: var(--sf-text-muted);
  font-size: 0.95rem;
  text-align: center;
  min-height: 1.5rem;
}

/* Download */
.sf-download-card {
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.sf-btn-download {
  background: var(--sf-success);
  color: #fff;
  padding: 0.85rem 1.75rem;
  font-weight: 600;
  border: none;
  border-radius: var(--sf-radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: transform 0.15s, filter 0.2s;
  font-family: var(--sf-font);
  font-size: 1rem;
}

.sf-btn-download:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

/* Footer */
.sf-app footer {
  color: var(--sf-text-muted);
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}

.sf-app footer a {
  color: var(--sf-text-muted);
  text-decoration: none;
}

.sf-app footer a:hover {
  color: var(--sf-accent);
}

.sf-app select {
  color: var(--sf-text);
  background-color: var(--sf-bg-input);
}

.sf-app option {
  color: #1f2430;
  background-color: #fff;
}

/* Cookie banner */
.sf-app .cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--sf-bg-elevated);
  border-top: 1px solid var(--sf-border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  z-index: 1000;
  font-size: 0.9rem;
}

.sf-app .cookie-banner.hidden { display: none !important; }
.sf-app .cookie-banner a { color: var(--sf-accent); }
.sf-app .cookie-banner button {
  padding: 0.5rem 1rem;
  background: var(--sf-accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

/* Form layout helpers */
.sf-generator .form-group {
  margin-bottom: 0.75rem;
}

.sf-generator .form-group label {
  display: block;
  margin-bottom: 0.4rem;
}

.sf-generator .generator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.sf-generator .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Section divider */
.sf-section-divider {
  border: none;
  border-top: 1px solid var(--sf-border);
  margin: 1.5rem 0;
}

/* Responsive */
@media (max-width: 768px) {
  .sf-hero h2 {
    font-size: 1.5rem;
  }
  .sf-lang-select {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .sf-lang-swap {
    margin: 0 auto;
    transform: rotate(90deg);
  }
  .sf-lang-swap:hover {
    transform: rotate(270deg);
  }
  .sf-voice-row {
    grid-template-columns: 1fr;
  }
  .sf-generator .generator-layout {
    grid-template-columns: 1fr;
  }
  .sf-generator .form-row {
    grid-template-columns: 1fr;
  }
  .sf-app main {
    padding: 1.25rem;
  }
  .sf-card {
    padding: 1.5rem;
  }
  .sf-stats {
    flex-direction: column;
    gap: 0.75rem;
  }
}