/* ==========================================================================
   GIDA GÜVENLİĞİ HAP BİLGİ KARTLARI — CORE STYLESHEET
   Mobile-First • Ultra Hızlı • Erişilebilir • Cloudflare Pages Uyumlu
   ========================================================================== */

:root {
  /* Renk Paleti - Temizlik, Güven, Tazelik, Sağlık */
  --bg-main: #F7F9F5;
  --bg-gradient: radial-gradient(100% 60% at 50% 0%, #FFFFFF 0%, #F4F7F1 100%);
  --surface-card: #FFFFFF;
  --surface-muted: #F0F4EC;
  --surface-badge: #E8F0E5;
  
  --primary: #246949;
  --primary-hover: #1A5238;
  --primary-light: #EBF4EF;
  --primary-rgb: 36, 105, 73;

  --accent-amber: #E59E27;
  --accent-amber-light: #FEF7EA;
  --accent-coral: #E05A47;
  --accent-coral-light: #FDF1EE;

  --text-main: #19251E;
  --text-muted: #5C6E64;
  --text-light: #899B91;

  --border-subtle: rgba(36, 105, 73, 0.12);
  --border-card: rgba(36, 105, 73, 0.08);

  --shadow-sm: 0 2px 6px rgba(25, 45, 34, 0.04);
  --shadow-card: 0 16px 36px -10px rgba(20, 50, 35, 0.09), 0 0 1px 1px rgba(20, 50, 35, 0.05);
  --shadow-btn: 0 4px 14px rgba(36, 105, 73, 0.25);
  --shadow-modal: 0 25px 60px -15px rgba(15, 35, 25, 0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-full: 9999px;

  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  height: 100%;
}

body {
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg-gradient);
  background-attachment: fixed;
  overflow-x: hidden;
  position: relative;
}

/* Background Subtle Pattern */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(36, 105, 73, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
}

/* App Wrapper */
.app-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 1rem 1.125rem;
}

@media (min-width: 768px) {
  .app-container {
    max-width: 520px;
    padding: 1.75rem 1.5rem;
  }
}

/* Top App Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  flex-shrink: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
}

.brand-icon-box {
  width: 34px;
  height: 34px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px var(--border-subtle);
}

.brand-icon-box svg {
  width: 20px;
  height: 20px;
}

.brand-title-group {
  display: flex;
  flex-direction: column;
}

.brand-main-title {
  font-size: 0.9375rem;
  line-height: 1.2;
  color: var(--primary);
  font-weight: 800;
}

.brand-sub-title {
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-icon-action {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--surface-card);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.btn-icon-action:hover {
  background: var(--surface-muted);
  color: var(--primary);
  transform: translateY(-1px);
}

.btn-icon-action:active {
  transform: scale(0.95);
}

.btn-icon-action svg {
  width: 18px;
  height: 18px;
}

/* Main Content Area */
.main-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 0.5rem 0 1.25rem 0;
}

/* Card Container with Perspective for subtle depth */
.card-scene {
  position: relative;
  width: 100%;
  min-height: 440px;
  display: flex;
  flex-direction: column;
  touch-action: pan-y;
  user-select: none;
}

/* Main Flash Card */
.flash-card {
  position: relative;
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  padding: 1.75rem 1.375rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow: hidden;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

/* Card Watermark Number in background */
.card-watermark {
  position: absolute;
  top: -15px;
  right: -5px;
  font-size: 5.5rem;
  font-weight: 900;
  color: rgba(36, 105, 73, 0.04);
  line-height: 1;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
  z-index: 0;
}

/* Card Top Bar */
.card-top-bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--surface-badge);
  color: var(--primary);
}

.card-category-badge svg {
  width: 13px;
  height: 13px;
}

.card-number-tag {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* Card Hero Graphic Area */
.card-hero-icon {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(36, 105, 73, 0.12);
}

.card-hero-icon svg {
  width: 32px;
  height: 32px;
}

/* Card Text Body */
.card-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card-title {
  font-size: 1.375rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

@media (min-width: 480px) {
  .card-title {
    font-size: 1.5rem;
  }
}

.card-description {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text-muted);
  font-weight: 500;
}

/* Card Tip / Fact Box */
.card-tip-box {
  position: relative;
  z-index: 1;
  background: var(--surface-muted);
  border-left: 3.5px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.875rem 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}

.card-tip-icon {
  color: var(--accent-amber);
  flex-shrink: 0;
  margin-top: 1px;
}

.card-tip-icon svg {
  width: 17px;
  height: 17px;
}

.card-tip-text {
  font-size: 0.84375rem;
  line-height: 1.45;
  color: #33443B;
  font-weight: 500;
}

.card-tip-title {
  font-weight: 700;
  color: var(--primary);
  margin-right: 0.25rem;
}

/* Animation states for card change */
.card-anim-next {
  animation: slideOutLeft 0.18s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.card-anim-prev {
  animation: slideOutRight 0.18s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.card-anim-in-next {
  animation: slideInRight 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.card-anim-in-prev {
  animation: slideInLeft 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideOutLeft {
  0% { transform: translateX(0) scale(1); opacity: 1; }
  100% { transform: translateX(-35px) scale(0.97); opacity: 0; }
}

@keyframes slideInRight {
  0% { transform: translateX(35px) scale(0.97); opacity: 0; }
  100% { transform: translateX(0) scale(1); opacity: 1; }
}

@keyframes slideOutRight {
  0% { transform: translateX(0) scale(1); opacity: 1; }
  100% { transform: translateX(35px) scale(0.97); opacity: 0; }
}

@keyframes slideInLeft {
  0% { transform: translateX(-35px) scale(0.97); opacity: 0; }
  100% { transform: translateX(0) scale(1); opacity: 1; }
}

/* Navigation Controls Bar */
.nav-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.125rem;
  flex-shrink: 0;
}

.btn-nav {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 52px;
  padding: 0 1.25rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.btn-nav-prev {
  background: var(--surface-card);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-nav-prev:hover:not(:disabled) {
  background: var(--surface-muted);
  border-color: rgba(36, 105, 73, 0.25);
  transform: translateY(-1px);
}

.btn-nav-next {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-btn);
}

.btn-nav-next:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-nav:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-nav:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-nav svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
}

/* Counter & Progress Pill */
.progress-pill {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 0.875rem;
  background: var(--surface-muted);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
  box-shadow: inset 0 0 0 1px var(--border-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.progress-pill:hover {
  background: var(--primary-light);
}

/* Swipe Helper Hint (for mobile devices) */
.swipe-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  margin-top: 0.75rem;
  font-size: 0.6875rem;
  color: var(--text-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ══════════════════════════════════════════════════════════
   SPLASH / LANDING SCREEN  (tam ekran, immersive giriş)
   ══════════════════════════════════════════════════════════ */

/* Splash full-screen wrapper — hides app header */
.splash-active .app-header { display: none; }
.splash-active .app-container { max-width: 100%; padding: 0; }
.splash-active .main-stage { padding: 0; }

.splash-screen {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
  overflow: hidden;
  background: linear-gradient(165deg, #0A2618 0%, #143D2B 35%, #1A5238 60%, #246949 100%);
}

/* Subtle dot grid overlay */
.splash-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

/* Soft radial glow behind hero */
.splash-screen::after {
  content: "";
  position: absolute;
  top: 30%;
  left: 50%;
  width: 420px;
  height: 420px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(110,175,123,0.18) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

/* Floating background icons */
.splash-floating-icons {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.splash-float-icon {
  position: absolute;
  color: rgba(255,255,255,0.06);
  animation: floatDrift 18s ease-in-out infinite;
}

.splash-float-icon svg {
  width: 100%;
  height: 100%;
}

.splash-float-icon:nth-child(1) { top: 8%; left: 8%; width: 38px; height: 38px; animation-delay: 0s; }
.splash-float-icon:nth-child(2) { top: 15%; right: 12%; width: 32px; height: 32px; animation-delay: -4s; }
.splash-float-icon:nth-child(3) { bottom: 28%; left: 6%; width: 28px; height: 28px; animation-delay: -8s; }
.splash-float-icon:nth-child(4) { bottom: 18%; right: 10%; width: 36px; height: 36px; animation-delay: -12s; }
.splash-float-icon:nth-child(5) { top: 40%; left: 3%; width: 24px; height: 24px; animation-delay: -6s; }
.splash-float-icon:nth-child(6) { top: 55%; right: 5%; width: 26px; height: 26px; animation-delay: -14s; }

@keyframes floatDrift {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.5; }
  25% { transform: translateY(-12px) rotate(5deg); opacity: 0.8; }
  50% { transform: translateY(-6px) rotate(-3deg); opacity: 0.6; }
  75% { transform: translateY(-14px) rotate(4deg); opacity: 0.9; }
}

/* Content wrapper */
.splash-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
  max-width: 400px;
  animation: splashFadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes splashFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Top badge */
.splash-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.splash-badge svg {
  width: 13px;
  height: 13px;
}

/* Shield hero icon */
.splash-hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 100%);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 16px 40px -8px rgba(0,0,0,0.35);
  animation: splashIconPulse 3s ease-in-out infinite;
}

.splash-hero-icon svg {
  width: 50px;
  height: 50px;
}

@keyframes splashIconPulse {
  0%, 100% { box-shadow: 0 16px 40px -8px rgba(0,0,0,0.35); }
  50% { box-shadow: 0 16px 50px -4px rgba(78,159,110,0.4); }
}

/* Title */
.splash-title {
  font-size: 2rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

@media (min-width: 400px) {
  .splash-title { font-size: 2.25rem; }
}

.splash-title-accent {
  display: block;
  background: linear-gradient(90deg, #6FAF7B 0%, #A8D5BA 50%, #F2B84B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Subtitle */
.splash-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.55;
  font-weight: 500;
  max-width: 340px;
}

/* Stats row */
.splash-stats {
  display: flex;
  align-items: center;
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 100%;
}

.splash-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0.5rem;
  background: rgba(255,255,255,0.04);
}

.splash-stat-num {
  font-size: 1.375rem;
  font-weight: 800;
  color: #FFFFFF;
}

.splash-stat-label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.45);
  margin-top: 0.125rem;
}

/* CTA button */
.splash-cta {
  width: 100%;
  height: 58px;
  background: #FFFFFF;
  color: var(--primary);
  border-radius: var(--radius-md);
  border: none;
  font-family: inherit;
  font-size: 1.0625rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  cursor: pointer;
  box-shadow: 0 8px 28px -6px rgba(0,0,0,0.3);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.splash-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px -8px rgba(0,0,0,0.4);
}

.splash-cta:active {
  transform: scale(0.98);
}

.splash-cta svg {
  width: 20px;
  height: 20px;
  transition: transform 0.2s ease;
}

.splash-cta:hover svg {
  transform: translateX(3px);
}

/* Category pills on splash */
.splash-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.splash-cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.65);
  font-size: 0.6875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.splash-cat-pill:hover {
  background: rgba(255,255,255,0.14);
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.25);
}

.splash-cat-pill svg {
  width: 13px;
  height: 13px;
}

/* Footer text */
.splash-footer {
  margin-top: 0.5rem;
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.3);
  font-weight: 500;
}

/* ══════════════════════════════════════════════════════════
   OLD WELCOME SCREEN (kept for modal/fallback compatibility)
   ══════════════════════════════════════════════════════════ */

.welcome-screen {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  padding: 2.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.welcome-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.welcome-badge svg {
  width: 14px;
  height: 14px;
}

.welcome-hero-art {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  background: linear-gradient(135deg, #246949 0%, #4E9F6E 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 24px -6px rgba(36, 105, 73, 0.35);
}

.welcome-hero-art svg {
  width: 44px;
  height: 44px;
}

.welcome-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.welcome-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 360px;
}

.welcome-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 0.875rem 1.25rem;
  background: var(--surface-muted);
  border-radius: var(--radius-md);
  width: 100%;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.btn-primary-large {
  width: 100%;
  height: 54px;
  background: var(--primary);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary-large:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

/* Category Grid on Home */
.category-chips-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 0.25rem;
}

.category-chip-btn {
  border: 1px solid var(--border-subtle);
  background: var(--surface-card);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.category-chip-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.category-chip-btn svg {
  width: 13px;
  height: 13px;
}

/* 404 Screen */
.error-screen {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  padding: 2.5rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.error-icon-box {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--accent-coral-light);
  color: var(--accent-coral);
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-icon-box svg {
  width: 32px;
  height: 32px;
}

.error-title {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text-main);
}

.error-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 320px;
}

/* Modal Drawer (All Cards Directory) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 30, 22, 0.45);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-sheet {
  background: var(--surface-card);
  width: 100%;
  max-width: 520px;
  max-height: 82vh;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 1.5rem 1.25rem 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform var(--transition-smooth);
  box-shadow: var(--shadow-modal);
}

.modal-overlay.active .modal-sheet {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-main);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--surface-muted);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.modal-close-btn svg {
  width: 18px;
  height: 18px;
}

.modal-body {
  overflow-y: auto;
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.card-list-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 0.875rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--surface-card);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.card-list-item:hover, .card-list-item.active {
  background: var(--primary-light);
  border-color: var(--primary);
}

.card-list-item-num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--surface-badge);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-list-item-info {
  flex: 1;
  min-width: 0;
}

.card-list-item-cat {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
}

.card-list-item-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Toast Message Notification */
.toast-notice {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  background: #19251E;
  color: #FFFFFF;
  padding: 0.625rem 1.125rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
  z-index: 200;
}

.toast-notice.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-notice svg {
  width: 15px;
  height: 15px;
  color: #6FAF7B;
}

/* QR Code Dialog Modal */
.qr-modal-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.qr-preview-box {
  background: #FFFFFF;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
}

.qr-url-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  word-break: break-all;
  background: var(--surface-muted);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  width: 100%;
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}