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

/* Color Variables in OKLCH */
:root {
  --bg-dark: oklch(12% 0.02 260);
  --bg-darker: oklch(8% 0.015 280);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --text-primary: oklch(98% 0.005 0);
  --text-secondary: oklch(80% 0.01 260);
  
  /* Accent Colors */
  --accent-gold: oklch(82% 0.14 85);
  --accent-rose: oklch(65% 0.20 350);
  --accent-violet: oklch(60% 0.22 300);
  --accent-teal: oklch(75% 0.15 180);
  
  /* Interactive state glows */
  --glow-gold: 0 0 25px oklch(82% 0.14 85 / 25%);
  --glow-rose: 0 0 25px oklch(65% 0.20 350 / 30%);
  --glow-violet: 0 0 25px oklch(60% 0.22 300 / 30%);
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  width: 100%;
  overflow-x: hidden;
  position: relative;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(135deg in oklch, var(--bg-dark) 0%, var(--bg-darker) 100%);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.bg-decoration-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

/* Background Animated Orbs */
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  opacity: 0.15;
  pointer-events: none;
  animation: orb-drift 20s infinite alternate ease-in-out;
}

.bg-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-violet);
  top: -100px;
  right: -50px;
}

.bg-orb-2 {
  width: 500px;
  height: 500px;
  background: var(--accent-rose);
  bottom: -150px;
  left: -100px;
  animation-delay: -5s;
}

.bg-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--accent-gold);
  top: 40%;
  left: 30%;
  opacity: 0.08;
  animation-delay: -10s;
}

@keyframes orb-drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, 40px) scale(1.2); }
}

/* Floating Balloons Layer */
#balloon-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.balloon {
  position: absolute;
  bottom: -120px;
  width: 50px;
  height: 65px;
  border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
  box-shadow: inset -5px -5px 12px rgba(0,0,0,0.15);
  animation: float-up 12s linear infinite;
  opacity: 0.85;
}

.balloon::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 23px;
  width: 4px;
  height: 8px;
  border-left: 2px solid transparent;
  border-right: 2px solid transparent;
}

.balloon-string {
  position: absolute;
  bottom: -48px;
  left: 24px;
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.25);
}

@keyframes float-up {
  0% {
    transform: translateY(0) rotate(0deg);
    left: var(--start-x);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(-110vh) rotate(var(--rotate-angle));
    left: var(--end-x);
    opacity: 0;
  }
}

/* Confetti Canvas */
#confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
}

/* Passcode Lock Screen */
.lock-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  z-index: 2;
  position: relative;
}

.lock-card {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  padding: 45px 35px;
  border-radius: 24px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), var(--glow-violet);
  transform: translateY(0);
  transition: var(--transition-smooth);
  animation: card-appear 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes card-appear {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.lock-card h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lock-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 30px;
  line-height: 1.5;
}

.passcode-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.passcode-container {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 10px;
}

.real-passcode {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 10;
  cursor: pointer;
  outline: none;
  border: none;
  background: transparent;
  -webkit-tap-highlight-color: transparent;
}

.passcode-digit-box {
  width: 54px;
  height: 64px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 1.8rem;
  font-weight: 600;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition-smooth);
}

.passcode-digit-box.focused {
  border-color: var(--accent-violet);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--glow-violet);
  transform: scale(1.05);
}

.error-message {
  color: var(--accent-rose);
  font-size: 0.9rem;
  min-height: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
  font-weight: 500;
}

.error-message.visible {
  opacity: 1;
}

.btn-submit {
  width: 100%;
  padding: 14px 28px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--accent-rose) 0%, var(--accent-violet) 100%);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--glow-rose);
}

.btn-submit:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 8px 20px oklch(65% 0.20 350 / 40%);
}

.btn-submit:active {
  transform: translateY(1px);
}

/* Shake Animation for incorrect password */
.shake {
  animation: shake-anim 0.5s ease-in-out;
}

@keyframes shake-anim {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-10px); }
  40%, 80% { transform: translateX(10px); }
}

/* Main Birthday Page Layout */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
  z-index: 2;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  animation: page-fade-in 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes page-fade-in {
  to { opacity: 1; transform: translateY(0); }
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logout-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  transition: var(--transition-smooth);
}

.logout-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Birthday Main Hero Section */
.hero-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 32px;
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: center;
  box-shadow: 0 30px 60px rgba(0,0,0,0.3), 0 0 40px rgba(255,255,255,0.02);
  margin-bottom: 40px;
  overflow: hidden;
  position: relative;
}

.hero-card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, oklch(82% 0.14 85 / 8%) 0%, transparent 60%);
  pointer-events: none;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 24px;
  padding: 8px;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-rose), var(--accent-violet));
  box-shadow: var(--glow-rose);
  animation: slow-glow-shift 8s infinite alternate ease-in-out;
}

@keyframes slow-glow-shift {
  0% { box-shadow: 0 0 30px oklch(65% 0.20 350 / 20%); }
  50% { box-shadow: 0 0 45px oklch(82% 0.14 85 / 25%); }
  100% { box-shadow: 0 0 30px oklch(60% 0.22 300 / 20%); }
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 18px;
  display: block;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.birthday-badge {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.hero-content h2 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold) 70%, var(--accent-rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content .subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.6;
}

.birthday-data {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.2);
  padding: 16px 24px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.data-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.data-item span:first-child {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-item span:last-child {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Wishes Section */
.wishes-section {
  margin-bottom: 50px;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 30px;
  letter-spacing: -0.5px;
  text-align: center;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.wishes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.wish-card {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 30px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.wish-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--border-color-start, var(--accent-violet)), var(--border-color-end, var(--accent-rose)));
  opacity: 0.6;
}

.wish-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2), 0 0 20px var(--card-glow, rgba(255, 255, 255, 0.02));
}

/* Card custom theme mappings */
.wish-card-shari {
  --border-color-start: var(--accent-rose);
  --border-color-end: var(--accent-gold);
  --card-glow: oklch(65% 0.20 350 / 8%);
}
.wish-card-alex {
  --border-color-start: var(--accent-violet);
  --border-color-end: var(--accent-teal);
  --card-glow: oklch(60% 0.22 300 / 8%);
}
.wish-card-papa {
  --border-color-start: var(--accent-teal);
  --border-color-end: var(--accent-gold);
  --card-glow: oklch(75% 0.15 180 / 8%);
}
.wish-card-mama {
  --border-color-start: var(--accent-rose);
  --border-color-end: var(--accent-violet);
  --card-glow: oklch(65% 0.20 350 / 8%);
}

.wish-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wish-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  border: 1px solid var(--glass-border);
}

.wish-sender {
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.wish-relation {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.wish-body {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
}

/* Image Gallery / Congratulations Photo Grid */
.gallery-section {
  margin-bottom: 50px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.gallery-card {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.gallery-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(0, 0, 0, 0.3);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.gallery-image {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-smooth);
}

.gallery-container:hover .gallery-image {
  transform: scale(1.02);
}

.gallery-placeholder-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(8, 6, 12, 0.4) 0%, rgba(8, 6, 12, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding: 40px;
  box-sizing: border-box;
}

.gallery-placeholder-overlay h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--accent-gold);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.gallery-placeholder-overlay p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 450px;
  line-height: 1.5;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

/* Gift Section (CTA Card) */
.gift-card {
  background: linear-gradient(135deg in oklch, oklch(25% 0.05 280 / 40%) 0%, oklch(18% 0.05 340 / 40%) 100%);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  padding: 45px;
  text-align: center;
  box-shadow: 0 20px 45px rgba(0,0,0,0.3), var(--glow-rose);
  position: relative;
  overflow: hidden;
  margin-bottom: 40px;
}

.gift-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, oklch(65% 0.20 350 / 12%) 0%, transparent 70%);
  pointer-events: none;
}

.gift-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
  display: inline-block;
  animation: pulse-gift 2s infinite ease-in-out;
}

@keyframes pulse-gift {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(5deg); }
}

.gift-card h3 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gift-card p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 30px;
  line-height: 1.6;
}

.btn-gift {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-rose) 100%);
  color: oklch(10% 0.02 260);
  box-shadow: 0 10px 25px oklch(82% 0.14 85 / 35%);
  transition: var(--transition-smooth);
}

.btn-gift:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px oklch(82% 0.14 85 / 50%);
}

.btn-gift:active {
  transform: translateY(-1px);
}

/* Footer */
footer {
  text-align: center;
  padding: 30px 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--glass-border);
  margin-top: auto;
}

footer p {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero-card {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 35px;
  }
  
  .hero-image-wrapper {
    max-width: 320px;
    margin: 0 auto;
  }
  
  .hero-content {
    text-align: center;
    align-items: center;
  }
  
  .birthday-data {
    width: 100%;
    justify-content: space-around;
  }
  
  .wishes-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  header {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .hero-content h2 {
    font-size: 2.2rem;
  }
  
  .lock-card {
    padding: 35px 20px;
  }
  
  .passcode-digit-box {
    width: 46px;
    height: 56px;
    font-size: 1.5rem;
  }
  
  .btn-gift {
    width: 100%;
    justify-content: center;
  }
}