/* =============================================
   GetKauf TikTok Launch Plan - Design System
   Premium dark mode with TikTok-inspired aesthetic
   ============================================= */

/* CSS Variables */
:root {
  /* Colors - TikTok inspired dark theme */
  --bg-primary: #0a0a0a;
  --bg-secondary: #121212;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --bg-glass: rgba(255, 255, 255, 0.05);

  /* Accent colors */
  --accent-primary: #fe2c55;
  --accent-secondary: #25f4ee;
  --accent-gradient: linear-gradient(135deg, #fe2c55, #ff6b8a);
  --accent-glow: rgba(254, 44, 85, 0.4);

  /* Text colors */
  --text-primary: #ffffff;
  --text-secondary: #a1a1a1;
  --text-muted: #666666;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(254, 44, 85, 0.3);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--accent-glow);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  padding: var(--spacing-2xl);
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(254, 44, 85, 0.15) 0%, transparent 50%),
    var(--bg-primary);
}

.hero__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.hero__logo {
  width: 48px;
  height: 48px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  font-weight: 400;
}

/* Generate Button */
.btn-generate {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-glow);
  overflow: hidden;
}

.btn-generate::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-generate:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 60px var(--accent-glow);
}

.btn-generate:hover::before {
  opacity: 1;
}

.btn-generate:active {
  transform: translateY(0) scale(0.98);
}

.btn-generate__icon {
  font-size: 1.25rem;
}

/* =============================================
   Content Grid
   ============================================= */
.content-section {
  padding: var(--spacing-2xl);
  max-width: 1400px;
  margin: 0 auto;
  display: none;
}

.content-section.visible {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header__title {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

.section-header__subtitle {
  color: var(--text-secondary);
}

/* Day Cards Grid */
.days-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-lg);
}

/* =============================================
   Day Card Component
   ============================================= */
.day-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.day-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

/* Card Header */
.day-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-subtle);
}


.day-card__day-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.day-card__day-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.day-card__meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.day-card__day-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1;
}

/* Status Toggle */
.status-toggle {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.status-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-secondary);
}

.status-toggle.published {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.3);
}

.status-toggle.published:hover {
  background: rgba(34, 197, 94, 0.25);
}

.day-card__time {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(37, 244, 238, 0.1);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--accent-secondary);
}

.day-card__time-icon {
  font-size: 0.75rem;
}

/* Card Body */
.day-card__body {
  padding: var(--spacing-lg);
}

.day-card__situation {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.day-card__situation-icon {
  font-size: 1.25rem;
}

.day-card__situation-title {
  font-size: 1rem;
  font-weight: 600;
}

/* Content Sections */
.content-block {
  margin-bottom: var(--spacing-md);
}

.content-block:last-child {
  margin-bottom: 0;
}

.content-block__label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.content-block__label-icon {
  font-size: 0.875rem;
}

/* Slideshow Preview */
.slideshow-preview {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  max-height: 200px;
  overflow-y: auto;
}

.slideshow-preview::-webkit-scrollbar {
  width: 4px;
}

.slideshow-preview::-webkit-scrollbar-track {
  background: transparent;
}

.slideshow-preview::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 2px;
}

.slide-item {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.slide-item:last-child {
  border-bottom: none;
}

.slide-item__number {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.slide-item__text {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-primary);
}

/* Variations */
.variations-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.variation-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

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

.variation-item__text {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.4;
}

/* Copy Button */
.btn-copy {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}

.btn-copy:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.btn-copy.copied {
  background: #22c55e;
  border-color: #22c55e;
  color: var(--text-primary);
}

/* Expand/Collapse Toggle */
.btn-expand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  width: 100%;
  padding: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-expand:hover {
  background: var(--bg-glass);
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.btn-expand__icon {
  transition: transform var(--transition-fast);
}

.btn-expand.expanded .btn-expand__icon {
  transform: rotate(180deg);
}

/* Collapsible Content */
.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.collapsible-content.expanded {
  max-height: 1000px;
}

/* =============================================
   Footer
   ============================================= */
.footer {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--spacing-2xl);
}

/* =============================================
   Responsive Design
   ============================================= */
@media (max-width: 768px) {
  .hero {
    min-height: 40vh;
    padding: var(--spacing-xl);
  }

  .content-section {
    padding: var(--spacing-lg);
  }

  .days-grid {
    grid-template-columns: 1fr;
  }

  .btn-generate {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
  }
}

/* =============================================
   Animations
   ============================================= */
@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.day-card {
  animation: slideUp 0.5s ease backwards;
}

.day-card:nth-child(1) {
  animation-delay: 0.05s;
}

.day-card:nth-child(2) {
  animation-delay: 0.1s;
}

.day-card:nth-child(3) {
  animation-delay: 0.15s;
}

.day-card:nth-child(4) {
  animation-delay: 0.2s;
}

.day-card:nth-child(5) {
  animation-delay: 0.25s;
}

.day-card:nth-child(6) {
  animation-delay: 0.3s;
}

.day-card:nth-child(7) {
  animation-delay: 0.35s;
}

.day-card:nth-child(8) {
  animation-delay: 0.4s;
}

.day-card:nth-child(9) {
  animation-delay: 0.45s;
}

.day-card:nth-child(10) {
  animation-delay: 0.5s;
}

.day-card:nth-child(11) {
  animation-delay: 0.55s;
}

.day-card:nth-child(12) {
  animation-delay: 0.6s;
}

.day-card:nth-child(13) {
  animation-delay: 0.65s;
}

.day-card:nth-child(14) {
  animation-delay: 0.7s;
}

/* Loading state */
.loading {
  animation: pulse 1.5s ease infinite;
}

/* =============================================
   Generate Slides Button
   ============================================= */
.btn-generate-slides {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 12px rgba(254, 44, 85, 0.3);
}

.btn-generate-slides:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(254, 44, 85, 0.5);
}

.btn-generate-slides:active {
  transform: translateY(0);
}

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

.btn-generate-slides.success {
  background: linear-gradient(135deg, #22c55e, #4ade80);
}

.btn-generate-slides.download-ready {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  animation: pulse-glow 2s ease infinite;
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
  }

  50% {
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.6);
  }
}

.btn-generate-slides.error {
  background: linear-gradient(135deg, #ef4444, #f87171);
}

.btn-generate-slides__icon {
  font-size: 1.25rem;
}

/* =============================================
   Slide Preview Modal
   ============================================= */
.slide-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.slide-preview-modal.visible {
  opacity: 1;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-glass);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.btn-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-close:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.slide-carousel {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--spacing-md);
}

.slide-carousel img {
  flex-shrink: 0;
  width: 300px;
  height: auto;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-subtle);
  scroll-snap-align: center;
  transition: all var(--transition-normal);
}

.slide-carousel img:hover {
  border-color: var(--accent-primary);
  transform: scale(1.02);
}

.slide-carousel::-webkit-scrollbar {
  height: 8px;
}

.slide-carousel::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 4px;
}

.slide-carousel::-webkit-scrollbar-thumb {
  background: var(--border-accent);
  border-radius: 4px;
}

.modal-footer {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-glass);
}

.btn-secondary,
.btn-primary {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--text-primary);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(254, 44, 85, 0.4);
}