/* Modern design system for Sasaek (사색) */
@import url('https://fonts.googleapis.com/css2?family=Gowun+Batang:wght@400;700&family=Outfit:wght@300;400;500;600;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
  /* Colors */
  --bg-dark: #07080d;
  --panel-bg: rgba(18, 20, 32, 0.6);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --accent-success: #10b981;
  --accent-danger: #ef4444;

  /* Typography */
  --font-sans: 'Outfit', 'Noto Sans KR', sans-serif;
  --font-serif: 'Gowun Batang', serif;

  /* Animations & Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

/* Floating Aurora Background */
.bg-blobs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  mix-blend-mode: screen;
  animation: float-blob 25s infinite alternate ease-in-out;
}

.blob-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, rgba(168, 85, 247, 0) 70%);
  top: -10%;
  left: -10%;
  animation-duration: 20s;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.35) 0%, rgba(244, 63, 94, 0) 70%);
  bottom: -5%;
  right: -5%;
  animation-duration: 28s;
  animation-delay: -5s;
}

.blob-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.3) 0%, rgba(59, 130, 246, 0) 70%);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-duration: 35s;
  animation-delay: -10s;
}

@keyframes float-blob {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  33% {
    transform: translate(30px, -50px) scale(1.1) rotate(120deg);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9) rotate(240deg);
  }
  100% {
    transform: translate(0, 0) scale(1) rotate(360deg);
  }
}

/* Background grid overlay */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
  pointer-events: none;
}

/* Header & Navigation */
header {
  backdrop-filter: blur(12px);
  background-color: rgba(7, 8, 13, 0.7);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--accent) 0%, #ec4899 100%);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-text {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  background: linear-gradient(to right, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

nav {
  display: flex;
  gap: 0.5rem;
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.6rem 1.2rem;
  border-radius: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
}

.nav-tab:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.04);
}

.nav-tab.active {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
}

/* Main Container Layout */
main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.tab-content {
  display: none;
  animation: fadeIn var(--transition-normal) forwards;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Common Section Typography */
h1.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-align: center;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

p.section-desc {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 2.5rem;
  font-size: 1rem;
}

/* ====================
   Tab: Discovery (탐색)
   ==================== */
.discovery-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

/* Filter controls */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  background-color: var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  padding: 0.5rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.filter-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
}

.filter-btn.active {
  background-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

/* Search Input */
.search-wrapper {
  position: relative;
  width: 100%;
  max-width: 450px;
}

.search-input {
  width: 100%;
  background-color: var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border-radius: 0.75rem;
  outline: none;
  transition: var(--transition-fast);
}

.search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

/* Quote Card Display Box */
.quote-display-card {
  width: 100%;
  min-height: 380px;
  background-color: var(--panel-bg);
  backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--border-light);
  border-radius: 1.5rem;
  box-shadow: rgba(0, 0, 0, 0.3) 0px 30px 60px -12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3.5rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition-slow);
}

.quote-display-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255, 255, 255, 0.05), transparent 40%);
  z-index: 1;
  pointer-events: none;
}

/* Quote Text Content */
.quote-body-wrapper {
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  max-width: 680px;
}

.quote-decor {
  font-family: var(--font-serif);
  font-size: 4.5rem;
  color: rgba(99, 102, 241, 0.25);
  line-height: 1;
  margin-bottom: -1.5rem;
  user-select: none;
}

.quote-text-main {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  word-break: keep-all;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.quote-text-sub {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  word-break: keep-all;
  max-width: 90%;
  transition: opacity var(--transition-normal);
}

.quote-author {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
  position: relative;
  padding-left: 1.5rem;
  transition: opacity var(--transition-normal);
}

.quote-author::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0.85rem;
  height: 2px;
  background-color: var(--accent);
}

/* Actions below quote card */
.card-action-bar {
  display: flex;
  gap: 0.75rem;
  z-index: 2;
  margin-top: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.action-btn {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.action-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--border-focus);
  transform: scale(1.08);
}

.action-btn.active-favorite {
  color: var(--accent-danger);
  border-color: rgba(239, 68, 68, 0.3);
  background-color: rgba(239, 68, 68, 0.08);
}

.action-btn.active-favorite:hover {
  background-color: rgba(239, 68, 68, 0.15);
}

.btn-primary-ripple {
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
  border: none;
  color: #ffffff;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.9rem 2.25rem;
  border-radius: 100px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
  transition: var(--transition-fast);
}

.btn-primary-ripple:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(99, 102, 241, 0.45);
}

.btn-primary-ripple:active {
  transform: translateY(1px);
}

/* ====================
   Tab: Creator (명언 제작)
   ==================== */
.creator-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

/* Preview Column */
.canvas-preview-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 5.5rem;
}

.preview-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* The actual design card container (What gets downloaded) */
.custom-card-wrapper {
  width: 100%;
  aspect-ratio: 1.4 / 1;
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow: rgba(0, 0, 0, 0.45) 0px 30px 60px -12px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  padding: 3rem;
  transition: all 0.3s ease;
}

/* Preset Gradients */
.preset-aurora { background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%); }
.preset-sunset { background: linear-gradient(135deg, #f97316 0%, #ea580c 50%, #e11d48 100%); }
.preset-ocean { background: linear-gradient(135deg, #06b6d4 0%, #0891b2 50%, #0d9488 100%); }
.preset-forest { background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%); }
.preset-cosmic { background: linear-gradient(135deg, #1e1b4b 0%, #311042 50%, #111827 100%); }
.preset-dark { background: #12131e; }

.custom-card-watermark {
  position: absolute;
  bottom: 1.25rem;
  right: 1.5rem;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  opacity: 0.35;
  letter-spacing: 0.1em;
  font-weight: 500;
  text-transform: uppercase;
}

.custom-quote-text {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 1rem;
  word-break: keep-all;
  white-space: pre-wrap;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.custom-quote-author {
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.9;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
}

/* Controls Column */
.creator-controls-panel {
  background-color: var(--panel-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: 1.25rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.control-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.control-input-text {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 0.6rem;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  resize: vertical;
  min-height: 80px;
  outline: none;
  transition: var(--transition-fast);
}

.control-input-text:focus {
  border-color: var(--border-focus);
}

.control-input-single {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 0.6rem;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.control-input-single:focus {
  border-color: var(--border-focus);
}

/* Color theme selector grid */
.theme-picker {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
}

.theme-circle {
  aspect-ratio: 1;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-fast);
  position: relative;
}

.theme-circle:hover {
  transform: scale(1.1);
}

.theme-circle.active {
  border-color: #ffffff;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Button Group Style */
.btn-group-toggle {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  padding: 0.25rem;
  border-radius: 0.5rem;
}

.toggle-option {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  padding: 0.5rem;
  border-radius: 0.35rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.toggle-option:hover {
  color: var(--text-primary);
}

.toggle-option.active {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

/* Slider Style */
.control-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  margin: 0.5rem 0;
}

.control-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 0 8px var(--accent);
}

.control-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Creator: Save to Favorites Button */
.btn-save-creator {
  background: transparent;
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: rgba(239, 68, 68, 0.75);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem;
  border-radius: 0.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: var(--transition-fast);
  margin-top: 0.75rem;
}

.btn-save-creator:hover {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.6);
  color: var(--accent-danger);
  transform: translateY(-2px);
}

.btn-save-creator:active {
  transform: translateY(1px);
}

.btn-save-creator.saved-pulse {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--accent-danger);
  color: var(--accent-danger);
  animation: heartPulse 0.5s ease;
}

@keyframes heartPulse {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.08); }
  70%  { transform: scale(0.96); }
  100% { transform: scale(1); }
}

/* Export Button */
.btn-export {
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
  border: none;
  color: #ffffff;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.9rem;
  border-radius: 0.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
  transition: var(--transition-fast);
  margin-top: 0.75rem;
}

.btn-export:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(99, 102, 241, 0.4);
}

.btn-export:active {
  transform: translateY(1px);
}


/* ====================
   Tab: Saved (보관함)
   ==================== */
.saved-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.saved-card {
  background-color: var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}

.saved-card-body {
  flex: 1;
  padding: 1.75rem 1.75rem 1rem;
}

.saved-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.saved-card-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  word-break: keep-all;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.saved-card-sub {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.saved-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.75rem 1rem;
}

.saved-card-author {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
}

.saved-card-actions {
  display: flex;
  gap: 0.35rem;
}

.saved-btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.saved-btn-icon:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.saved-btn-icon.delete-btn:hover {
  color: var(--accent-danger);
  background-color: rgba(239, 68, 68, 0.08);
}

/* Saved card CTA button row */
.saved-card-cta-row {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--border-light);
}

.saved-cta-btn {
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.75rem 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
  letter-spacing: 0.01em;
}

.saved-cta-btn.image-saved-btn {
  color: rgba(165, 180, 252, 0.7);
}

.saved-cta-btn.image-saved-btn:hover {
  background: rgba(99, 102, 241, 0.14);
  color: #a5b4fc;
}

/* Empty archive state */
.empty-archive {
  grid-column: 1 / -1;
  text-align: center;
  padding: 5rem 2rem;
  background-color: var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.empty-archive-icon {
  color: var(--text-muted);
}

.empty-archive h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.empty-archive p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 320px;
  line-height: 1.5;
}

/* Toast Notification Styles */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 1000;
}

.toast {
  background-color: rgba(18, 20, 32, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  padding: 1rem 1.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  animation: slideIn var(--transition-normal) forwards;
  pointer-events: none;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.toast.fade-out {
  animation: fadeOut var(--transition-normal) forwards;
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
  }
}

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

/* ====================
   PWA Install Banner
   ==================== */
.pwa-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 500;
  background: rgba(18, 20, 32, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid var(--border-light);
  padding: 1rem 1.5rem;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  animation: slideUpBanner 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.35);
}

@keyframes slideUpBanner {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.pwa-banner-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  min-width: 0;
}

.pwa-banner-icon {
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent) 0%, #ec4899 100%);
  border-radius: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  color: #ffffff;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
}

.pwa-banner-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.pwa-banner-text strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.pwa-banner-text span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pwa-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.pwa-btn-install {
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
  border: none;
  color: #ffffff;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.6rem 1.25rem;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
  white-space: nowrap;
}

.pwa-btn-install:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.5);
}

.pwa-btn-install:active {
  transform: translateY(1px);
}

.pwa-btn-dismiss {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.6rem 1rem;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.pwa-btn-dismiss:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 480px) {
  .pwa-banner {
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
  }
  .pwa-banner-actions {
    justify-content: stretch;
  }
  .pwa-btn-install {
    flex: 1;
    text-align: center;
  }
  .pwa-btn-dismiss {
    flex: 1;
    text-align: center;
  }
}

/* Footer */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border-light);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .creator-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .canvas-preview-container {
    position: static;
  }
}

@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  nav {
    width: 100%;
    justify-content: center;
  }
  .nav-tab {
    flex: 1;
    justify-content: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
  }
  .quote-display-card {
    padding: 2.5rem 1.5rem;
    min-height: 320px;
  }
  .quote-text-main {
    font-size: 1.45rem;
  }
  .quote-decor {
    font-size: 3rem;
  }
  .filter-bar {
    border-radius: 16px;
    padding: 0.4rem;
  }
  .filter-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  h1.section-title {
    font-size: 1.75rem;
  }
  .custom-card-wrapper {
    padding: 1.75rem;
  }
  .custom-quote-text {
    font-size: 1.25rem;
  }
}