@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Nunito:wght@300;400;600;700;800&display=swap');

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

:root {
  --primary: #FF6B9D;
  --primary-soft: #FFB3CC;
  --accent: #6B9DFF;
  --accent-soft: #B3C9FF;
  --gold: #FFD700;
  --bg-gradient: linear-gradient(135deg, #FFF0F5 0%, #F0F4FF 50%, #FFF5E0 100%);
  --text-dark: #2D1B33;
  --text-medium: #7B5C8A;
  --card-bg: rgba(255,255,255,0.85);
  --shadow: 0 8px 32px rgba(255,107,157,0.12);
  --radius: 20px;
  --transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', sans-serif;
  background: var(--bg-gradient);
  min-height: 100vh;
  color: var(--text-dark);
  overflow-x: hidden;
}

/* Particle Background */
.particles {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  font-size: 16px;
  opacity: 0.09;
  animation: floatUp linear infinite;
  user-select: none;
}

@keyframes floatUp {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.09; }
  90% { opacity: 0.09; }
  100% { transform: translateY(-120px) rotate(360deg); opacity: 0; }
}

/* Header */
.admin-header {
  position: relative; z-index: 10;
  padding: 32px 24px 24px;
  text-align: center;
}

.header-inner { display: inline-block; }

.logo {
  display: flex; align-items: center; gap: 10px;
  justify-content: center; margin-bottom: 8px;
}

.logo-heart {
  font-size: 32px;
  animation: heartbeat 1.4s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14% { transform: scale(1.15); }
  28% { transform: scale(1); }
  42% { transform: scale(1.1); }
  56% { transform: scale(1); }
}

.logo-text {
  font-family: 'Playfair Display', serif;
  font-size: 32px; font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-badge {
  background: var(--primary);
  color: white; font-size: 11px; font-weight: 700;
  padding: 3px 10px; border-radius: 20px;
  text-transform: uppercase; letter-spacing: 1px;
}

.header-sub {
  color: var(--text-medium); font-size: 15px;
  font-weight: 400;
}

/* Main Layout */
.admin-main {
  position: relative; z-index: 10;
  max-width: 1100px; margin: 0 auto;
  padding: 0 20px 60px;
}

/* Steps */
.step { margin-bottom: 40px; }
.step.hidden { display: none; }

.step-header {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 24px; flex-wrap: wrap;
}

.step-num {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), #FF4B8B);
  color: white; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(255,107,157,0.4);
}

.step-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: 26px; color: var(--text-dark);
}

.btn-back {
  margin-left: auto;
  background: none; border: 2px solid var(--primary-soft);
  color: var(--text-medium); padding: 8px 18px;
  border-radius: 50px; cursor: pointer; font-family: 'Nunito', sans-serif;
  font-size: 14px; font-weight: 600; transition: var(--transition);
}
.btn-back:hover {
  background: var(--primary-soft); color: var(--primary);
  transform: translateX(-3px);
}

/* Glass Card */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

/* Categories Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.category-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(255,255,255,0.7);
  border-radius: var(--radius);
  padding: 24px 20px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--cat-color, var(--primary));
  opacity: 0;
  transition: opacity 0.3s;
}

.category-card:hover::before { opacity: 0.06; }

.category-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
  border-color: var(--cat-color, var(--primary));
}

.category-card.selected {
  border-color: var(--cat-color, var(--primary));
  box-shadow: 0 0 0 3px var(--cat-color, var(--primary)), 0 16px 48px rgba(0,0,0,0.15);
  transform: translateY(-4px) scale(1.02);
}

.category-card.selected::before { opacity: 0.08; }

.cat-emoji {
  font-size: 40px; display: block;
  margin-bottom: 12px; position: relative; z-index: 1;
  transition: transform 0.3s;
}
.category-card:hover .cat-emoji { transform: scale(1.15) rotate(5deg); }

.cat-title {
  font-family: 'Playfair Display', serif;
  font-size: 16px; font-weight: 600;
  color: var(--text-dark); margin-bottom: 6px;
  position: relative; z-index: 1;
}

.cat-desc {
  font-size: 13px; color: var(--text-medium);
  line-height: 1.4; position: relative; z-index: 1;
}

.cat-count {
  margin-top: 10px;
  font-size: 11px; color: var(--text-medium);
  position: relative; z-index: 1;
}

.cat-check {
  position: absolute; top: 12px; right: 12px;
  width: 24px; height: 24px;
  background: var(--cat-color, var(--primary));
  color: white; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  opacity: 0; transform: scale(0);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.category-card.selected .cat-check {
  opacity: 1; transform: scale(1);
}

/* Customizer */
.customizer-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 680px) {
  .customizer-layout { grid-template-columns: 1fr; }
}

.selected-category-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(255,255,255,0.7);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  position: sticky; top: 20px;
}

.selected-cat-emoji { font-size: 56px; display: block; margin-bottom: 12px; }
.selected-cat-title {
  font-family: 'Playfair Display', serif;
  font-size: 18px; font-weight: 600; color: var(--text-dark);
  margin-bottom: 6px;
}
.selected-cat-desc { font-size: 13px; color: var(--text-medium); line-height: 1.4; }

.reward-preview {
  margin-top: 16px;
  padding: 12px; border-radius: 12px;
  font-size: 13px; color: var(--text-medium);
}

/* Form */
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block; margin-bottom: 8px;
  font-size: 14px; font-weight: 700; color: var(--text-dark);
}

.label-icon { margin-right: 4px; }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid rgba(255,107,157,0.2);
  border-radius: 14px;
  font-family: 'Nunito', sans-serif;
  font-size: 15px; color: var(--text-dark);
  background: rgba(255,255,255,0.8);
  transition: all 0.2s;
  outline: none; resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,107,157,0.15);
  background: white;
}

.char-count {
  display: block; text-align: right;
  font-size: 12px; color: var(--text-medium);
  margin-top: 4px;
}

.extra-fields { transition: all 0.3s; }
.extra-fields.hidden { display: none; }

.btn-generate {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--primary), #FF4B8B);
  color: white; border: none; border-radius: 50px;
  font-family: 'Nunito', sans-serif;
  font-size: 18px; font-weight: 800;
  cursor: pointer; display: flex;
  align-items: center; justify-content: center;
  gap: 10px; margin-top: 8px;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(255,107,157,0.4);
}

.btn-generate:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 32px rgba(255,107,157,0.5);
}

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

.btn-icon { font-size: 20px; }

/* Result */
.result-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 680px) {
  .result-layout { grid-template-columns: 1fr; }
}

.link-label, .qr-label {
  font-size: 13px; font-weight: 700;
  color: var(--text-medium); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 12px;
}

.link-box {
  display: flex; gap: 10px; align-items: center;
}

.link-box input {
  flex: 1; padding: 13px 16px;
  border: 2px solid rgba(107,157,255,0.3);
  border-radius: 14px; font-size: 14px;
  font-family: 'Nunito', sans-serif;
  color: var(--text-dark); background: rgba(255,255,255,0.9);
  outline: none;
}

.btn-copy {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--accent), #4B7BFF);
  border: none; border-radius: 14px;
  font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(107,157,255,0.3);
}
.btn-copy:hover { transform: scale(1.1); }

.copy-success {
  font-size: 14px; font-weight: 700; color: #2ecc71;
  margin-top: 8px; transition: all 0.3s;
}
.copy-success.hidden { display: none; }

.action-btns {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 20px;
}

.btn-preview, .btn-share, .btn-new {
  flex: 1; min-width: 120px;
  padding: 12px 16px;
  border-radius: 50px; border: none;
  font-family: 'Nunito', sans-serif;
  font-size: 14px; font-weight: 700;
  cursor: pointer; transition: var(--transition);
}

.btn-preview {
  background: linear-gradient(135deg, var(--accent-soft), var(--accent));
  color: white;
  box-shadow: 0 4px 16px rgba(107,157,255,0.3);
}
.btn-preview:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(107,157,255,0.4); }

.btn-share {
  background: linear-gradient(135deg, #B5EAD7, #2ecc71);
  color: white;
  box-shadow: 0 4px 16px rgba(46,204,113,0.3);
}
.btn-share:hover { transform: translateY(-2px); }

.btn-new {
  background: linear-gradient(135deg, var(--primary-soft), var(--primary));
  color: white;
  box-shadow: 0 4px 16px rgba(255,107,157,0.3);
}
.btn-new:hover { transform: translateY(-2px); }

/* QR */
.qr-card { text-align: center; }
#qrcode {
  display: inline-block;
  background: white; padding: 12px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  margin: 8px 0;
}
#qrcode img, #qrcode canvas { display: block; }
.qr-hint { font-size: 12px; color: var(--text-medium); margin-top: 8px; }

/* Stats */
.stats-panel h3 {
  font-family: 'Playfair Display', serif;
  font-size: 20px; margin-bottom: 16px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.stat-item {
  background: rgba(255,107,157,0.07);
  border-radius: 14px; padding: 14px 16px;
  display: flex; align-items: center; gap: 10px;
}

.stat-emoji { font-size: 24px; }
.stat-info { flex: 1; }
.stat-title { font-size: 12px; color: var(--text-medium); font-weight: 600; }
.stat-count {
  font-size: 22px; font-weight: 800;
  color: var(--primary);
  font-family: 'Playfair Display', serif;
}

/* Animations */
@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.step:not(.hidden) {
  animation: slideIn 0.4s ease forwards;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,157,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(255,107,157,0); }
}

.category-card.selected { animation: pulse 2s infinite; }

/* Responsive */
@media (max-width: 768px) {
  .admin-header { padding: 24px 16px 16px; }
  .logo-text { font-size: 26px; }
  .categories-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .glass-card { padding: 20px; }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .category-card { padding: 18px 14px; }
  .cat-emoji { font-size: 32px; }
}