/* ITK-QR - Core Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+Khmer:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-main);
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Custom Styled Scrollbars for dark & light mode */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-hover);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navbar */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.brand-logo img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
}

.brand-tagline {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  display: none;
}

@media (min-width: 640px) {
  .brand-tagline {
    display: inline-block;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background-color: var(--primary-light);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Header Buttons & Icon Controls */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background-color: var(--bg-hover);
  border-color: var(--text-muted);
}

.lang-switcher {
  display: flex;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 3px;
}

.lang-btn {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 7px;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.lang-btn.active {
  background-color: var(--primary);
  color: #ffffff;
}

/* Premium Navbar Donate Button */
.btn-donate-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1.15rem;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 50px;
  background: linear-gradient(135deg, #EF4444 0%, #F43F5E 100%);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  line-height: 1.4;
  user-select: none;
  animation: donatePulse 2.5s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-donate-nav:hover {
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.55);
  background: linear-gradient(135deg, #DC2626 0%, #E11D48 100%);
}

.btn-donate-nav svg {
  animation: heartBeat 1.25s infinite ease-in-out;
}

@keyframes donatePulse {
  0% {
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4), 0 0 0 0 rgba(239, 68, 68, 0.6);
    transform: scale(1);
  }
  30% {
    transform: scale(1.06);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.6), 0 0 0 10px rgba(239, 68, 68, 0);
  }
  45% {
    transform: scale(1);
  }
  60% {
    transform: scale(1.04);
  }
  100% {
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4), 0 0 0 0 rgba(239, 68, 68, 0);
    transform: scale(1);
  }
}

@keyframes heartBeat {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.28);
  }
}

/* User Auth Profile Widget & Navbar Google Login Button */
.auth-widget {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-google-login {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 50px;
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  user-select: none;
}

.btn-google-login:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  background-color: var(--bg-card-sub);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 4px 8px;
  border-radius: 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.user-email {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Hero Section */
.hero-section {
  padding: 4rem 0 2rem;
  text-align: center;
  background: linear-gradient(180deg, var(--primary-light) 0%, transparent 100%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.hero-title span {
  color: var(--primary);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 12px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-danger {
  background-color: var(--danger);
  color: #FFFFFF;
}

.btn-danger:hover {
  background-color: #DC2626;
}

.btn-accent {
  background-color: var(--accent);
  color: #FFFFFF;
}

.btn-accent:hover {
  background-color: #E68A00;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: 8px;
}

.btn-block {
  width: 100%;
}

/* Workspace Layout */
.workspace-section {
  padding: 2rem 0 4rem;
}

.workspace-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .workspace-grid {
    grid-template-columns: 1.1fr 1fr;
    align-items: stretch;
  }
}

/* Generator Panel (Left Column) */
.generator-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.qr-types-menu {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card-sub);
  max-height: 260px;
  overflow-y: auto;
}

@media (max-width: 640px) {
  .qr-types-menu {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.5rem;
    padding: 0.75rem;
  }
}

.qr-type-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  user-select: none;
}

.qr-type-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.qr-type-card .card-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.qr-type-card .card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background-color: var(--bg-card-sub);
  color: var(--text-main);
  transition: all 0.2s ease;
}

.qr-type-card .card-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  transition: color 0.2s ease;
}

.qr-type-card .card-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  opacity: 0.6;
  transition: all 0.2s ease;
}

.qr-type-card:hover .card-arrow {
  opacity: 1;
  color: var(--primary);
  transform: translateX(2px);
}

.qr-type-card.active {
  border-color: var(--primary);
  background-color: var(--primary-light);
  box-shadow: 0 0 0 1px var(--primary);
}

.qr-type-card.active .card-icon {
  background-color: var(--primary);
  color: #FFFFFF;
}

.qr-type-card.active .card-label {
  color: var(--primary);
}

.qr-type-card.active .card-arrow {
  color: var(--primary);
  opacity: 1;
}

[data-theme="dark"] .qr-type-card.active {
  border-color: #38BDF8;
  background-color: rgba(56, 189, 248, 0.12);
  box-shadow: 0 0 0 1px #38BDF8;
}

[data-theme="dark"] .qr-type-card.active .card-icon {
  background-color: #38BDF8;
  color: #0F172A;
}

[data-theme="dark"] .qr-type-card.active .card-label {
  color: #38BDF8;
}

[data-theme="dark"] .qr-type-card.active .card-arrow {
  color: #38BDF8;
}

/* Tab Navigation */
.tabs-header {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 0 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-header::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 2.5px solid transparent;
  white-space: nowrap;
  transition: all 0.2s ease;
  cursor: pointer;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

[data-theme="dark"] .tab-btn.active {
  color: #38BDF8;
  border-bottom-color: #38BDF8;
}

.tabs-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tab-content {
  padding: 1.75rem;
  display: none;
  flex: 1;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

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

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* Custom Pickers & Style Cards */
.style-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.style-option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 0.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card-sub);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

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

.style-option-card svg {
  width: 32px;
  height: 32px;
}

.style-option-card span {
  font-size: 0.78rem;
  font-weight: 600;
}

.color-pickers-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
}

.color-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--bg-input);
}

.color-picker {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: none;
}

.color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-picker::-webkit-color-swatch {
  border: none;
  border-radius: 6px;
}

.preset-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.preset-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.preset-swatch:hover {
  transform: scale(1.15);
}

/* File Upload Dropzone */
.file-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 14px;
  padding: 1.5rem;
  text-align: center;
  background-color: var(--bg-card-sub);
  cursor: pointer;
  transition: all 0.2s ease;
}

.file-dropzone:hover, .file-dropzone.dragover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.dropzone-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* Live Preview Panel (Right Column) */
.preview-card {
  position: sticky;
  top: 90px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
}

.preview-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  justify-content: space-between;
}

.size-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background-color: var(--primary-light);
  color: var(--primary);
}

.qr-canvas-container {
  width: 100%;
  max-width: 390px;
  aspect-ratio: 1 / 1;
  padding: 0.75rem;
  border-radius: 18px;
  background-color: var(--qr-preview-bg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.5rem;
  position: relative;
}

.qr-frame-badge {
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 1px;
  padding: 0.35rem 1.2rem;
  border-radius: 50px;
  box-shadow: 0 4px 14px rgba(0, 102, 255, 0.4);
  text-transform: uppercase;
  z-index: 10;
  white-space: nowrap;
}

[data-theme="dark"] .qr-frame-badge {
  background-color: #38BDF8;
  color: #0F172A;
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.4);
}

.qr-canvas-container canvas, .qr-canvas-container svg {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
}

.preview-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  width: 100%;
  margin-bottom: 1rem;
}

.preview-actions-secondary {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  justify-content: center;
}

/* Save Storage Banner */
.storage-notice {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1rem;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  background-color: var(--bg-card-sub);
}

/* Cards & Views Grid */
.view-section {
  padding: 2.5rem 0 4rem;
  display: none;
}

.view-section.active {
  display: block;
}

.section-header {
  margin-bottom: 2rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.qr-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.qr-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.qr-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.qr-card-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--bg-card-sub);
  border-radius: 12px;
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.qr-card-thumb img, .qr-card-thumb canvas, .qr-card-thumb svg {
  max-width: 100%;
  max-height: 100%;
}

.qr-card-info {
  flex: 1;
  margin-bottom: 1rem;
}

.qr-card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
  word-break: break-all;
}

.qr-card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.qr-card-actions {
  display: flex;
  gap: 0.4rem;
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  background-color: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: 20px;
}

.empty-icon {
  font-size: 3rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.empty-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.empty-desc {
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto 1.5rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 400px;
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transition: all 0.3s ease;
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast-info { border-left: 4px solid var(--info); }

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

/* Modals System */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  overflow-y: auto;
  padding: 1.5rem 1rem;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform 0.25s ease;
  margin: auto;
}

#donateModal .modal-card {
  height: min(88vh, 720px);
  max-width: 480px;
}

#googleAuthModal .modal-card,
#feedbackModal .modal-card {
  height: auto !important;
  max-height: 85vh;
  max-width: 400px;
}

.modal-backdrop.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 1rem 1.35rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-body {
  padding: 1.1rem 1.35rem;
  overflow-y: auto;
  flex: 1;
}

#donateModal .modal-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

#googleAuthModal .modal-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.5rem 1.35rem;
}

.modal-footer {
  padding: 0.9rem 1.35rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: var(--bg-card-sub);
  flex-shrink: 0;
}

/* Footer Section */
.app-footer {
  margin-top: auto;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.live-users-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  border-radius: 20px;
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--success);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
  100% { opacity: 1; transform: scale(1); }
}

/* Floating Feedback Button */
.floating-feedback-btn {
  position: fixed;
  bottom: 80px;
  right: 20px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  border-radius: 50px;
  background-color: var(--primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
  border: none;
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.floating-feedback-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 102, 255, 0.55);
}

[data-theme="dark"] .floating-feedback-btn {
  background-color: #38BDF8;
  color: #0F172A;
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.4);
}

/* Print Container (Hidden during normal screen viewing) */
.print-area {
  display: none !important;
}

/* Print Only Styles */
@media print {
  body * {
    visibility: hidden !important;
  }
  .print-area, .print-area * {
    visibility: visible !important;
  }
  .print-area {
    display: block !important;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    text-align: center;
    padding: 2in 1in;
    background: #ffffff !important;
    color: #000000 !important;
  }
  .print-area img, .print-area canvas, .print-area svg {
    max-width: 3.5in;
    margin: 0 auto 1rem;
  }
  .print-area h2 {
    font-size: 24pt;
    margin-bottom: 0.5rem;
    color: #000000 !important;
  }
  .print-area p {
    font-size: 14pt;
    color: #333333 !important;
  }
}