/* === VARIABLES === */
:root {
  --blue:        #4B7BF5;
  --blue-dark:   #3457D5;
  --blue-hover:  #3D6AE8;
  --blue-light:  #EEF3FF;
  --blue-mid:    #C7D7FA;
  --navy:        #1B2A4A;
  --gray:        #64748B;
  --gray-light:  #F4F7FF;
  --border:      #E0E8F7;
  --white:       #FFFFFF;
  --shadow-sm:   0 2px 8px rgba(75,123,245,0.08);
  --shadow-md:   0 6px 24px rgba(75,123,245,0.13);
  --shadow-lg:   0 12px 40px rgba(75,123,245,0.16);
  --radius:      14px;
  --radius-lg:   22px;
  --radius-xl:   32px;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--gray-light);
  color: var(--navy);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: max(16px, 1em); }
img { display: block; max-width: 100%; }

/* === HEADER === */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px clamp(16px, 4vw, 40px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-mark {
  display: flex;
  align-items: flex-end;
  gap: 0px;
  text-decoration: none;
}
.logo-img {
  width: 58px;
  height: 58px;
}
.logo-text {
  font-size: 28px;
  letter-spacing: -0.3px;
  line-height: 1;
}
.logo-qr {
  font-weight: 500;
  color: var(--navy);
}
.logo-genie {
  font-weight: 800;
  color: var(--blue);
}

/* Dark mode toggle */
.theme-toggle {
  background: var(--blue-light);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  transition: all 0.2s;
  flex-shrink: 0;
}
.theme-toggle:hover { color: var(--blue); border-color: var(--blue); }
.theme-toggle svg { width: 18px; height: 18px; }
/* In light mode show moon, hide sun */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
/* In dark mode show sun, hide moon */
html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }

/* === HERO === */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #EEF3FF 0%, #F8FAFF 60%, #E8F0FE 100%);
  padding: 72px clamp(16px, 4vw, 40px) 64px;
  text-align: center;
}
.hero-inner { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--navy);
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.hero-accent {
  color: var(--blue);
  display: block;
}
.hero-sub {
  font-size: clamp(15px, 2.5vw, 19px);
  color: var(--gray);
  margin-top: 16px;
  font-weight: 400;
}
.free-badge {
  font-weight: 900;
  font-style: normal;
  color: #FFB800;
  letter-spacing: 0.04em;
  text-shadow: 0 1px 8px rgba(255,184,0,0.3);
}
html[data-theme="dark"] .free-badge {
  color: #FFD700;
  text-shadow: 0 1px 12px rgba(255,215,0,0.5);
}
.hero-blob {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(75,123,245,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* === HOW IT WORKS === */
.how-section {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 18px clamp(16px, 4vw, 40px);
  overflow: hidden;
}
.how-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: nowrap;
}
.how-step {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}
.how-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.how-icon svg { width: 26px; height: 26px; }
.how-icon--1 { background: linear-gradient(135deg, #4B7BF5, #6B9DF5); }
.how-icon--2 { background: linear-gradient(135deg, #7B5CF5, #A07CF5); }
.how-icon--3 { background: linear-gradient(135deg, #3BA8F5, #5BBAF5); }
.how-step-text { display: flex; flex-direction: column; }
.how-step-text strong { font-size: 14px; font-weight: 700; color: var(--navy); }
.how-step-text span { font-size: 13px; color: var(--gray); }
.how-arrow { opacity: 0.7; flex-shrink: 0; }
.how-arrow svg { width: 72px; height: 22px; }

/* === APP CONTAINER === */
.app-container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 clamp(16px, 4vw, 40px) 60px;
}

/* === STEP INDICATOR === */
.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 32px;
}
.step-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.step-dot span {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--border);
  color: var(--gray);
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}
.step-dot.active .step-num {
  background: var(--blue);
  color: white;
  box-shadow: 0 0 0 4px rgba(75,123,245,0.18);
}
.step-dot.active span { color: var(--blue); }
.step-dot.done .step-num {
  background: #c7d7fa;
  color: var(--blue-dark);
}
.step-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 12px;
  margin-bottom: 22px;
  max-width: 80px;
  transition: background 0.25s;
}

/* === STEP PANELS === */
.step-panel {
  display: none;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
  animation: fadeSlide 0.3s ease;
  position: relative;
  overflow: hidden;
}
.step-panel.active { display: block; }

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

.panel-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.panel-sub {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 32px;
}
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--gray);
  font-size: 14px;
  font-weight: 600;
  padding: 0;
  margin-bottom: 20px;
  transition: color 0.15s;
}
.back-btn svg { width: 16px; height: 16px; }
.back-btn:hover { color: var(--navy); }

/* === TYPE GRID === */
.type-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 4px;
}
.type-card {
  background: var(--gray-light);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: all 0.2s ease;
  text-align: center;
}
.type-card:hover {
  border-color: var(--blue);
  background: var(--blue-light);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.type-card.active {
  border-color: var(--blue);
  background: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(75,123,245,0.15), var(--shadow-sm);
}
.type-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  box-shadow: var(--shadow-sm);
}
.type-card.active .type-icon { background: var(--blue); color: white; }
.type-icon svg { width: 24px; height: 24px; }
.type-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}
.type-desc {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.4;
}

/* === CONTENT FORM === */
.content-form {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.form-field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
}
.form-field input[type="url"],
.form-field input[type="tel"],
.form-field input[type="email"],
.form-field input[type="text"],
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  color: var(--navy);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
  resize: vertical;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(75,123,245,0.12);
}
.hint {
  font-size: 12px;
  font-weight: 400;
  color: var(--gray);
}
.optional {
  font-size: 11px;
  font-weight: 500;
  color: #94a3b8;
  background: #f1f5f9;
  padding: 2px 7px;
  border-radius: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray);
  font-size: 13px;
  margin: 4px 0;
}
.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.form-field select {
  width: 100%;
  padding: 12px 36px 12px 14px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  color: var(--navy);
  background-color: var(--white);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  appearance: none;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s;
}
.form-field select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(75,123,245,0.12);
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
}
.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--blue);
  cursor: pointer;
  flex-shrink: 0;
}
.form-field input[type="datetime-local"],
.form-field input[type="number"] {
  font-family: inherit;
}
.content-actions {
  margin-top: 8px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 13px 24px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(75,123,245,0.3);
}
.btn-primary svg { width: 16px; height: 16px; }
.btn-primary:hover:not(:disabled) {
  background: var(--blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(75,123,245,0.35);
}
.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* === DESIGN LAYOUT === */
.design-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 36px;
  margin-top: 8px;
}

/* Controls */
.design-controls {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.ctrl-group {}
.ctrl-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Color pickers */
/* Color mode selector */
.color-section-header {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray);
  margin: 10px 0 8px;
}
.color-mode-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.color-mode-opt {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  cursor: pointer;
  white-space: nowrap;
}
.color-mode-opt input[type="radio"] {
  accent-color: var(--blue);
  width: 15px;
  height: 15px;
  cursor: pointer;
}
.grad-type-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  margin-bottom: 4px;
}
.grad-type-btn {
  padding: 6px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray);
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.grad-type-btn.active {
  border-color: var(--blue);
  background: var(--blue-light);
  color: var(--blue);
}
.grad-type-btn:hover:not(.active) {
  border-color: var(--blue);
  color: var(--navy);
}
html[data-theme="dark"] .color-section-header { color: #4A607A; }
html[data-theme="dark"] .color-mode-opt { color: #E8EFF8; }
html[data-theme="dark"] .grad-type-btn { background: #1A2540; border-color: #243058; color: #8899B4; }
html[data-theme="dark"] .grad-type-btn.active { background: #243058; border-color: var(--blue); color: #6B9DF5; }

.color-row { display: flex; gap: 12px; flex-wrap: wrap; }
#fg-pickers, #bg-pickers { padding-left: 0; }
.color-entry {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 120px;
}
.color-name { font-size: 13px; color: var(--gray); font-weight: 500; }

/* Color text inputs with Coloris */
/* Coloris picker — square gradient with equal padding */
.clr-picker { width: 220px !important; padding-top: 12px !important; }
.clr-gradient { aspect-ratio: 1 !important; height: auto !important; border-radius: 4px !important; }

/* Coloris — border lives on .clr-field, swatch flush left */
.clr-field {
  position: relative !important;
  display: inline-block !important;
  background: var(--white) !important;
  border: 2px solid var(--border) !important;
  border-radius: 10px !important;
  overflow: hidden !important;
}
.clr-field button {
  position: absolute !important;
  left: 0 !important;
  top: 0 !important;
  width: 30px !important;
  height: 100% !important;
  transform: none !important;
  border-radius: 0 6px 6px 0 !important;
  border: none !important;
  padding: 0 !important;
  cursor: pointer !important;
}
.clr-field input {
  padding: 8px 12px 8px 42px !important;
  border: none !important;
  background: transparent !important;
  font-family: monospace !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--navy) !important;
  outline: none !important;
  cursor: pointer !important;
  width: 150px !important;
  box-sizing: border-box !important;
}

.color-input { cursor: pointer; }
.color-input-sm { }

/* Style buttons */
.style-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.style-btn {
  background: var(--gray-light);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray);
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  min-width: 58px;
  font-family: inherit;
}
.style-btn:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }
.style-btn.active {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
  box-shadow: 0 2px 8px rgba(75,123,245,0.25);
}
.style-icon { width: 24px; height: 24px; flex-shrink: 0; }
.style-icon-lg { width: 36px; height: 36px; flex-shrink: 0; }
.eye-outer-grid { grid-template-columns: repeat(3, 1fr) !important; }
.eye-inner-grid { grid-template-columns: repeat(2, 1fr) !important; }
.eye-color-row { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; margin-top: 12px; }
.eye-color-row .ctrl-sublabel { margin-bottom: 0; }
.ctrl-sublabel {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--gray);
  margin-bottom: 7px;
}
/* Preset logo grid */
.preset-logos-label {
  font-size: 12px;
  color: var(--gray);
  font-weight: 500;
  margin-top: 12px;
  margin-bottom: 8px;
}
.preset-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 7px;
}
.preset-btn {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  cursor: pointer;
  transition: all 0.15s;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  box-shadow: 0 1px 3px rgba(0,0,0,0.07);
}
.preset-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.18); }
.preset-btn.active { box-shadow: 0 0 0 3px rgba(75,123,245,0.35); }
.preset-btn img { width: 72%; height: 72%; object-fit: contain; display: block; }
html[data-theme="dark"] .preset-btn { background: #1E2D4A; border-color: #2A3A60; }
.preset-btn.fill-btn { padding: 0; border: none; overflow: hidden; }
.preset-btn.fill-btn img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.logo-hide-bg-opt {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--gray);
  margin-top: 10px;
  cursor: pointer;
  margin-top: 10px;
  user-select: none;
}
html[data-theme="dark"] .ctrl-sublabel { color: #4A607A; }

/* Logo upload */
.logo-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-light);
}
.logo-upload-area:hover {
  border-color: var(--blue);
  background: var(--blue-light);
}
.logo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--blue);
}
.logo-placeholder svg { width: 28px; height: 28px; opacity: 0.7; }
.logo-placeholder span { font-size: 14px; font-weight: 600; }
.logo-placeholder .hint { font-size: 12px; color: var(--gray); font-weight: 400; }
.logo-preview {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-preview-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}
#logo-img { max-width: 80px; max-height: 60px; border-radius: 6px; object-fit: contain; border: 1px solid var(--border); }
.btn-remove-bg {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-light);
  border: 1.5px solid var(--blue);
  border-radius: 7px;
  padding: 4px 10px;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  transition: all 0.15s;
}
.btn-remove-bg:hover { background: var(--blue); color: white; }
.btn-remove-bg:disabled { opacity: 0.5; cursor: wait; }
.remove-logo {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ef4444;
  color: white;
  border: none;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}


/* === PREVIEW === */
.design-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  position: sticky;
  top: 90px;
  align-self: start;
}
.preview-card {
  background: var(--gray-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}
#qr-preview { display: flex; align-items: center; justify-content: center; }
#qr-preview svg { border-radius: 8px; display: block; }

/* Download buttons */
.download-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}
.btn-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  background: var(--blue);
  color: white;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(75,123,245,0.28);
}
.btn-download svg { width: 18px; height: 18px; }
.btn-download:hover {
  background: var(--blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(75,123,245,0.34);
}
.btn-download-alt {
  background: var(--white);
  color: var(--blue);
  border: 2px solid var(--blue);
  box-shadow: none;
}
.btn-download-alt:hover {
  background: var(--blue-light);
  box-shadow: none;
}
.btn-share {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 20px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  color: var(--gray);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}
.btn-share svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn-share:hover { border-color: var(--blue); color: var(--blue); }
html[data-theme="dark"] .btn-share { border-color: #243058; color: #8899B4; }
html[data-theme="dark"] .btn-share:hover { border-color: var(--blue); color: var(--blue); }

#share-popover {
  position: relative;
  margin-top: 8px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 100;
}
.share-preview {
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border);
}
.share-preview-subject {
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 3px;
}
.share-preview-msg {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.4;
}
.share-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.share-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  text-decoration: none;
  background: none;
  border: none;
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.12s;
  box-sizing: border-box;
}
.share-app:nth-child(4n) { border-right: none; }
.share-app:nth-child(-n+4) { border-top: none; }
.share-app:hover { background: var(--surface); }
.share-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.share-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--navy);
}
html[data-theme="dark"] .share-preview { border-color: #1e2d4a; }
html[data-theme="dark"] .share-preview-msg { color: #8899B4; }
html[data-theme="dark"] .share-preview-subject { color: #E8EFF8; }
html[data-theme="dark"] #share-popover { background: #151F38; border-color: #243058; }
html[data-theme="dark"] .share-app { border-color: #1e2d4a; }
html[data-theme="dark"] .share-app:hover { background: #1A2540; }
html[data-theme="dark"] .share-label { color: #E8EFF8; }

.restart-btn {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.15s;
}
.restart-btn:hover { color: var(--navy); background: var(--border); }

/* === FOOTER === */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
}
.footer-inner { max-width: 400px; margin: 0 auto; }
.footer-logo {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}
.footer-logo-img { width: 40px; height: 40px; }
.footer-logo span { font-size: 22px; font-weight: 700; color: var(--navy); line-height: 1; letter-spacing: -0.3px; }
.footer-logo .logo-qr { font-weight: 500; }
.footer-logo .logo-genie { color: var(--blue); font-weight: 800; }
.footer-tagline { font-size: 13px; color: var(--gray); }
.footer-copy { font-size: 13px; color: var(--gray); margin-top: 12px; }
.kofi-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 10px 22px;
  background: rgba(255, 184, 0, 0.18);
  color: #9A6800;
  border: 1.5px solid rgba(255, 184, 0, 0.45);
  border-radius: 24px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.kofi-btn:hover {
  background: rgba(255, 184, 0, 0.3);
  border-color: rgba(255, 184, 0, 0.7);
  transform: translateY(-2px);
}
html[data-theme="dark"] .kofi-btn {
  background: rgba(255, 184, 0, 0.12);
  color: #D4A000;
  border-color: rgba(255, 184, 0, 0.3);
}
html[data-theme="dark"] .kofi-btn:hover {
  background: rgba(255, 184, 0, 0.22);
  border-color: rgba(255, 184, 0, 0.55);
}

/* === SUCCESS TIP === */
.success-tip {
  background: #edf7ed;
  border: 1.5px solid #7bc67e;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  color: #2e7d32;
  text-align: center;
  opacity: 0;
  transition: opacity 0.6s ease;
  width: 100%;
}
.success-tip.visible { opacity: 1; }
html[data-theme="dark"] .success-tip {
  background: #1a2f1b;
  border-color: #4caf50;
  color: #81c784;
}

/* === STARS BACKGROUND === */
.stars-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  opacity: 0.85;
  transition: opacity 0.4s;
}
html[data-theme="dark"] .stars-bg { opacity: 0.85; }

.star-layer {
  position: absolute;
  top: 0; left: 0;
  width: 1px;
  height: 1px;
  border-radius: 50%;
}

#stars-sm  { background: rgba(255,255,255,0.9); animation: twinkle 7s ease-in-out infinite; }
#stars-md  { background: white;                 animation: twinkle 5s ease-in-out infinite 2.1s; }
#stars-gld { background: rgba(255,215,0,0.95);  animation: twinkle 6s ease-in-out infinite 4s; }

@keyframes twinkle {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 1; }
}

/* Sections sit above the star layer */
.hero, .how-section, #app, .site-footer {
  position: relative;
  z-index: 1;
}

/* === DARK MODE === */
html[data-theme="dark"] {
  --blue:       #6B9DF5;
  --blue-dark:  #4B7BF5;
  --blue-hover: #7CABFF;
  --blue-light: #1A2540;
  --blue-mid:   #243058;
  --navy:       #E8EFF8;
  --gray:       #8899B4;
  --gray-light: #111827;
  --border:     #243058;
  --white:      #162033;
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 6px 24px rgba(0,0,0,0.5);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.6);
}
html[data-theme="dark"] body { background: #0D1321; }
html[data-theme="dark"] .site-header { background: #162033; border-color: #243058; }
html[data-theme="dark"] .how-section { background: #162033; border-color: #243058; }
html[data-theme="dark"] .site-footer { background: #162033; border-color: #243058; }
html[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #1A2540 0%, #111827 60%, #162033 100%);
}
html[data-theme="dark"] .step-panel { background: #162033; }
html[data-theme="dark"] .type-card { background: #1A2540; border-color: #243058; }
html[data-theme="dark"] .type-card:hover,
html[data-theme="dark"] .type-card.active { background: #243058; border-color: var(--blue); }
html[data-theme="dark"] .type-icon { background: #243058; }
html[data-theme="dark"] .type-card.active .type-icon { background: var(--blue); }
html[data-theme="dark"] .form-field input,
html[data-theme="dark"] .form-field input[type="datetime-local"],
html[data-theme="dark"] .form-field input[type="number"],
html[data-theme="dark"] .form-field textarea { background: #1A2540; color: #E8EFF8; border-color: #243058; }
html[data-theme="dark"] .form-field input::placeholder,
html[data-theme="dark"] .form-field textarea::placeholder { color: #4A607A; }
html[data-theme="dark"] .form-field select {
  background-color: #1A2540;
  color: #E8EFF8;
  border-color: #243058;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238899B4' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}
html[data-theme="dark"] .checkbox-label { color: #E8EFF8; }
html[data-theme="dark"] .form-divider { color: #4A607A; }
html[data-theme="dark"] .style-btn { background: #1A2540; border-color: #243058; color: #8899B4; }
html[data-theme="dark"] .style-btn.active { background: var(--blue); border-color: var(--blue); color: white; }
html[data-theme="dark"] .style-btn:hover { background: #243058; color: #E8EFF8; }
html[data-theme="dark"] .logo-upload-area { background: #1A2540; border-color: #243058; }
html[data-theme="dark"] .clr-field { background: #1A2540 !important; border-color: #243058 !important; }
html[data-theme="dark"] .clr-field input { color: #E8EFF8 !important; }
html[data-theme="dark"] .clr-field button { border-color: #243058 !important; }
html[data-theme="dark"] .preview-card { background: #1A2540; border-color: #243058; }
html[data-theme="dark"] .optional { background: #243058; color: #8899B4; }
html[data-theme="dark"] .btn-download-alt { background: transparent; }
html[data-theme="dark"] .btn-download-alt:hover { background: #243058; }
html[data-theme="dark"] .theme-toggle { background: #243058; border-color: #364870; }
html[data-theme="dark"] .back-btn { color: #8899B4; }
html[data-theme="dark"] .back-btn:hover { color: #E8EFF8; }
html[data-theme="dark"] .restart-btn:hover { background: #243058; color: #E8EFF8; }
html[data-theme="dark"] .logo-qr { color: #E8EFF8; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .how-arrow svg { width: 28px; }
  .how-icon { width: 40px; height: 40px; border-radius: 10px; }
  .how-icon svg { width: 18px; height: 18px; }
  .how-step-text strong { font-size: 13px; }
  .how-step-text span { display: none; }
  .how-inner { gap: 4px; }
  .how-step { gap: 8px; }
}

@media (max-width: 700px) {
  .design-layout {
    grid-template-columns: 1fr;
  }
  .design-preview {
    position: static;
    order: -1;
  }
  .step-panel { padding: 20px 16px; }
  .hero { padding: 40px 16px 32px; }
  .how-arrow { display: none; }
  .how-inner { gap: 20px; flex-direction: column; align-items: flex-start; padding: 0 8px; }
  .how-step { gap: 12px; }
  .type-grid { grid-template-columns: repeat(2, 1fr); }
}