/* ============================================
   Baby Name Reveal - Main Design System
   ============================================ */

:root {
  /* Color Palette - Premium & Vibrant */
  --color-primary: #dc143c;
  --color-primary-dark: #a00d2a;
  --color-primary-light: #ff4d6d;
  --color-secondary: #ffd700;
  --color-accent: #ff6b9d;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #dc143c 0%, #ff4d6d 100%);
  --gradient-gold: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  --gradient-curtain: linear-gradient(90deg, #8b0000 0%, #dc143c 50%, #8b0000 100%);
  --gradient-shine: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
  
  /* Neutrals */
  --color-bg-dark: #0f0f1e;
  --color-bg-card: #1a1a2e;
  --color-text-primary: #ffffff;
  --color-text-secondary: #b8b8d1;
  --color-border: #2d2d44;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typography */
  --font-display: 'Playfair Display', serif;
  --font-body: 'Poppins', sans-serif;
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 3rem;
  --font-size-3xl: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(220, 20, 60, 0.5);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-size-3xl);
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

/* ============================================
   Layout Utilities
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.grid {
  display: grid;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: rgba(220, 20, 60, 0.1);
}

/* ============================================
   Cards
   ============================================ */

.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

/* ============================================
   Forms
   ============================================ */

.form-group {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: var(--spacing-sm);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.fade-in {
  animation: fadeIn 0.5s ease;
}

.slide-up {
  animation: slideUp 0.5s ease;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2.5rem;
    --font-size-2xl: 2rem;
    --font-size-xl: 1.5rem;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  h1 {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.5rem;
  }
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center {
  text-align: center;
}

.text-gradient {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}
/* ============================================
   Curtain Animation Styles
   ============================================ */

.curtain-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
    overflow: hidden;
}

.curtain-container.active {
    pointer-events: all;
}

.curtain {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: var(--gradient-curtain);
    transition: transform 2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

/* Left curtain panel */
.curtain-left {
    left: 0;
    transform-origin: left center;
}

/* Right curtain panel */
.curtain-right {
    right: 0;
    transform-origin: right center;
}

/* Closed state (default) */
.curtain-container.closed .curtain-left {
    transform: translateX(0);
}

.curtain-container.closed .curtain-right {
    transform: translateX(0);
}

/* Open state */
.curtain-container.open .curtain-left {
    transform: translateX(-100%);
}

.curtain-container.open .curtain-right {
    transform: translateX(100%);
}

/* Velvet texture effect */
.curtain::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(90deg,
            transparent,
            transparent 10px,
            rgba(0, 0, 0, 0.1) 10px,
            rgba(0, 0, 0, 0.1) 20px);
    opacity: 0.3;
}

/* Shine effect */
.curtain::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-shine);
    animation: curtainShine 3s ease-in-out infinite;
    opacity: 0.4;
}

@keyframes curtainShine {

    0%,
    100% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }

    50% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* Curtain folds/pleats */
.curtain-fold {
    position: absolute;
    top: 0;
    width: 10%;
    height: 100%;
    background: linear-gradient(90deg,
            rgba(0, 0, 0, 0.2) 0%,
            transparent 50%,
            rgba(255, 255, 255, 0.1) 100%);
}

.curtain-left .curtain-fold:nth-child(1) {
    left: 10%;
}

.curtain-left .curtain-fold:nth-child(2) {
    left: 30%;
}

.curtain-left .curtain-fold:nth-child(3) {
    left: 50%;
}

.curtain-left .curtain-fold:nth-child(4) {
    left: 70%;
}

.curtain-left .curtain-fold:nth-child(5) {
    left: 90%;
}

.curtain-right .curtain-fold:nth-child(1) {
    right: 10%;
}

.curtain-right .curtain-fold:nth-child(2) {
    right: 30%;
}

.curtain-right .curtain-fold:nth-child(3) {
    right: 50%;
}

.curtain-right .curtain-fold:nth-child(4) {
    right: 70%;
}

.curtain-right .curtain-fold:nth-child(5) {
    right: 90%;
}

/* Curtain rod */
.curtain-rod {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background: linear-gradient(180deg, #8b7355 0%, #5c4a3a 100%);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    z-index: 10000;
}

.curtain-rod::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, #d4af37 0%, #f4e5a1 50%, #d4af37 100%);
    transform: translateY(-50%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .curtain-rod {
        height: 30px;
    }

    .curtain-rod::before {
        height: 6px;
    }
}/* ============================================
   Component Styles
   ============================================ */

/* ============================================
   Letter Slot Boxes
   ============================================ */

.letter-slots-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.letter-slot {
    width: 80px;
    height: 100px;
    background: var(--color-bg-card);
    border: 3px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.letter-slot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.letter-slot.revealed {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: letterReveal 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.letter-slot.revealed::before {
    opacity: 0.2;
}

.letter-slot .letter {
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-normal);
}

.letter-slot.revealed .letter {
    opacity: 1;
    transform: scale(1);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes letterReveal {
    0% {
        transform: scale(0.8) rotateY(90deg);
        opacity: 0;
    }

    50% {
        transform: scale(1.2) rotateY(0deg);
    }

    100% {
        transform: scale(1) rotateY(0deg);
        opacity: 1;
    }
}

/* ============================================
   Heart Button
   ============================================ */

.heart-button-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.heart-button {
    width: 200px;
    height: 200px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transition: all var(--transition-fast);
    animation: heartPulse 2s ease-in-out infinite;
}

.heart-button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(220, 20, 60, 0.8);
}

.heart-button:active {
    transform: scale(0.95);
    animation: none;
}

.heart-button::before {
    content: '❤️';
    font-size: 100px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

@keyframes heartPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }
}

/* Click ripple effect */
.heart-button .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    width: 20px;
    height: 20px;
    pointer-events: none;
    animation: rippleEffect 0.6s ease-out;
}

@keyframes rippleEffect {
    from {
        transform: scale(0);
        opacity: 1;
    }

    to {
        transform: scale(10);
        opacity: 0;
    }
}

/* ============================================
   Click Counter
   ============================================ */

.click-counter {
    background: var(--color-bg-card);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    min-width: 200px;
    box-shadow: var(--shadow-md);
}

.click-counter .count {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.click-counter .label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   Leaderboard
   ============================================ */

.leaderboard {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    max-height: 600px;
    overflow-y: auto;
}

.leaderboard-title {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    text-align: center;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: var(--color-bg-dark);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.leaderboard-item:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
}

.leaderboard-item.top-clicker {
    border: 2px solid var(--color-primary);
    background: linear-gradient(90deg, rgba(220, 20, 60, 0.1) 0%, transparent 100%);
    box-shadow: var(--shadow-glow);
}

.leaderboard-rank {
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    min-width: 40px;
}

.leaderboard-info {
    flex: 1;
    margin: 0 var(--spacing-sm);
}

.leaderboard-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.leaderboard-relationship {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.leaderboard-clicks {
    font-weight: 700;
    font-size: var(--font-size-lg);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Custom scrollbar for leaderboard */
.leaderboard::-webkit-scrollbar {
    width: 8px;
}

.leaderboard::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
    border-radius: var(--radius-sm);
}

.leaderboard::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-sm);
}

/* ============================================
   Top Clicker Display
   ============================================ */

.top-clicker-display {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    margin: var(--spacing-xl) 0;
    animation: pulse 3s ease-in-out infinite;
}

.top-clicker-display .crown {
    font-size: 60px;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.top-clicker-display .clicks {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-secondary);
}

.top-clicker-display .name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

.top-clicker-display .relationship {
    font-size: var(--font-size-md);
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}

/* ============================================
   QR Code Display
   ============================================ */

.qr-code-container {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: inline-block;
    box-shadow: var(--shadow-lg);
}

.qr-code-container img {
    display: block;
    width: 300px;
    height: 300px;
}

/* ============================================
   Admin Controls
   ============================================ */

.admin-controls {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.admin-controls .control-group {
    margin-bottom: var(--spacing-sm);
}

.admin-controls .control-group:last-child {
    margin-bottom: 0;
}

.admin-controls button {
    width: 100%;
    margin-bottom: var(--spacing-xs);
}

.admin-controls button:last-child {
    margin-bottom: 0;
}

/* ============================================
   Confetti Canvas
   ============================================ */

#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
}

/* ============================================
   Responsive Adjustments
   ============================================ */

@media (max-width: 768px) {
    .letter-slot {
        width: 60px;
        height: 80px;
        font-size: var(--font-size-xl);
    }

    .heart-button {
        width: 150px;
        height: 150px;
    }

    .heart-button::before {
        font-size: 70px;
    }

    .qr-code-container img {
        width: 200px;
        height: 200px;
    }

    .admin-controls {
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
        left: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .letter-slot {
        width: 45px;
        height: 60px;
        font-size: var(--font-size-lg);
    }

    .letter-slots-container {
        gap: var(--spacing-xs);
    }
}