/* =============================================================
   SIMRAN'S BIRTHDAY STORY ADVENTURE — STYLES
   Instagram Story-Style Interactive Birthday Experience
   ============================================================= */

/* ===== Design Tokens ===== */
:root {
  --bg-void: #070714;
  --bg-dark: #0c0c22;
  --bg-card: rgba(255,255,255,0.05);
  --rose: #ff6b8a;
  --rose-gold: #e8b4b8;
  --blush: #ffd1dc;
  --champagne: #f7e7ce;
  --pink: #ff5e9e;
  --magenta: #e048a0;
  --purple: #a855f7;
  --violet: #7c3aed;
  --gold: #fbbf24;
  --amber: #f59e0b;
  --sky: #38bdf8;
  --mint: #34d399;
  --white: #f8f8ff;
  --w80: rgba(248,248,255,0.8);
  --w60: rgba(248,248,255,0.6);
  --w40: rgba(248,248,255,0.4);
  --w20: rgba(248,248,255,0.2);
  --w10: rgba(248,248,255,0.1);
  --w05: rgba(248,248,255,0.05);
  --grad-hero: linear-gradient(135deg, var(--rose), var(--purple), var(--sky));
  --grad-warm: linear-gradient(135deg, var(--rose), var(--gold));
  --grad-love: linear-gradient(135deg, var(--rose-gold), var(--magenta));
  --grad-night: linear-gradient(180deg, #070720, #0f0a2e 40%, #1a0a3e);
  --grad-gold: linear-gradient(135deg, #ffd700, #ffaa00, #ffd700);
  --ff-display: 'Playfair Display', Georgia, serif;
  --ff-script: 'Dancing Script', cursive;
  --ff-elegant: 'Great Vibes', cursive;
  --ff-body: 'Inter', system-ui, sans-serif;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --glow-pink: 0 0 40px rgba(255,94,158,0.3);
  --glow-gold: 0 0 30px rgba(251,191,36,0.3);
  --glow-purple: 0 0 40px rgba(168,85,247,0.3);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.5);
}

/* ===== Reset ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--ff-body);
  background:#000;
  color:var(--white);
  min-height:100vh;min-height:100dvh;
  overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  user-select:none;-webkit-user-select:none;
}

/* ===== App Container ===== */
.app{width:100%;height:100vh;height:100dvh;display:flex;align-items:center;justify-content:center}

/* ===== Phone Frame ===== */
.phone-frame{
  position:relative;
  width:100%;height:100vh;height:100dvh;
  max-width:430px;
  background:var(--bg-void);
  overflow:hidden;
}


/* ===== Progress Bar ===== */
.progress-bar{
  position:absolute;top:0;left:0;right:0;z-index:100;
  display:flex;gap:3px;padding:10px 10px 0;
}
.progress-seg{
  flex:1;height:3px;border-radius:2px;
  background:rgba(255,255,255,0.15);
  overflow:hidden;position:relative;
}
.progress-fill{
  position:absolute;left:0;top:0;height:100%;
  background:white;border-radius:2px;
  width:0;transition:width 0.3s linear;
}
.progress-seg.done .progress-fill{width:100%}
.progress-seg.active .progress-fill{width:50%}

/* ===== Sound Button ===== */
.sound-btn{
  position:absolute;top:24px;right:14px;z-index:150;
  width:38px;height:38px;border-radius:50%;
  background:rgba(0,0,0,0.4);backdrop-filter:blur(12px);
  border:1px solid var(--w10);
  color:white;font-size:1rem;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:all 0.3s ease;
}
.sound-btn:active{transform:scale(0.9)}

/* ===== Story System ===== */
.stories{position:absolute;inset:0;z-index:10}
.story{
  position:absolute;inset:0;
  display:none;z-index:1;
  overflow:hidden;
}
.story.active{display:flex;animation:storyIn 0.5s ease both}
@keyframes storyIn{from{opacity:0;transform:scale(1.04)}to{opacity:1;transform:scale(1)}}

.story-inner{
  position:relative;z-index:5;
  width:100%;height:100%;
  padding:50px 20px 30px;
  display:flex;flex-direction:column;
  overflow-y:auto;overflow-x:hidden;
}
.center-col{align-items:center;justify-content:center}

.bg-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}

/* ===== Tap Navigation ===== */
.tap-zone{
  position:absolute;top:60px;bottom:0;z-index:50;
  cursor:pointer;
}
.tap-left{left:0;width:30%}
.tap-right{right:0;width:70%}

/* ===== Transition Cover ===== */
.trans-cover{
  position:absolute;inset:0;z-index:200;
  background:var(--bg-void);
  opacity:0;pointer-events:none;
  transition:opacity 0.4s ease;
}
.trans-cover.active{opacity:1;pointer-events:all}

/* ===== Buttons ===== */
.btn-glow{
  position:relative;
  font-family:var(--ff-body);font-weight:700;font-size:1rem;
  padding:16px 36px;border:none;border-radius:var(--radius-full);
  background:var(--grad-hero);color:white;
  cursor:pointer;overflow:hidden;
  box-shadow:var(--glow-pink);
  transition:all 0.4s cubic-bezier(0.22,1,0.36,1);
  display:inline-flex;align-items:center;gap:8px;
  z-index:10;
}
.btn-glow:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 0 60px rgba(255,94,158,0.5)}
.btn-glow:active{transform:translateY(1px) scale(0.97)}
.btn-shimmer{
  position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.15),transparent);
  animation:shimmer 3s ease-in-out infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%)}50%,100%{transform:translateX(100%)}}

.btn-outline{
  font-family:var(--ff-body);font-weight:600;font-size:0.95rem;
  padding:14px 30px;border-radius:var(--radius-full);
  background:rgba(255,255,255,0.06);
  border:1px solid var(--w10);color:var(--w80);
  cursor:pointer;transition:all 0.3s ease;
}
.btn-outline:hover{background:rgba(255,255,255,0.12)}
.btn-outline:active{transform:scale(0.96)}

/* ===== Chapter Badge ===== */
.chapter-badge{
  display:inline-block;
  background:rgba(255,107,138,0.15);border:1px solid rgba(255,107,138,0.3);
  border-radius:var(--radius-full);padding:6px 20px;
  font-size:0.8rem;font-weight:600;color:var(--rose);
  letter-spacing:1px;text-transform:uppercase;
  margin-bottom:12px;
  animation:fadeSlideDown 0.6s ease both;
}
.game-badge{background:rgba(168,85,247,0.15);border-color:rgba(168,85,247,0.3);color:var(--purple)}

.chapter-title{
  font-family:var(--ff-display);font-size:clamp(1.4rem,5vw,2rem);
  font-weight:700;text-align:center;margin-bottom:18px;
  background:var(--grad-hero);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  animation:fadeSlideDown 0.6s ease 0.15s both;
}

/* ============================================================
   STORY 0 — COUNTDOWN
   ============================================================ */
.countdown-badge{
  background:rgba(255,107,138,0.12);border:1px solid rgba(255,107,138,0.25);
  border-radius:var(--radius-full);padding:10px 28px;
  font-family:var(--ff-display);font-size:1rem;font-weight:600;
  color:var(--rose);letter-spacing:2px;
  animation:float 3s ease-in-out infinite, fadeSlideDown 0.8s ease both;
  margin-bottom:40px;z-index:2;
}
.countdown-display{z-index:2;margin-bottom:40px}
.countdown-reveal{text-align:center;display:flex;flex-direction:column;align-items:center}
.countdown-num{
  font-size:clamp(8rem,25vw,12rem);font-weight:900;
  background:var(--grad-warm);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  filter:drop-shadow(0 0 40px rgba(255,94,158,0.5));
  animation:countPulse 0.6s ease;
  display:block;text-align:center;line-height:1;
}
@keyframes countPulse{0%{transform:scale(0.3);opacity:0}50%{transform:scale(1.2)}100%{transform:scale(1);opacity:1}}

.bday-title{text-align:center;z-index:2;margin-bottom:16px}
.bday-line{display:block}
.bday-l1{
  font-family:var(--ff-display);font-size:clamp(1.4rem,4vw,2rem);
  color:var(--gold);font-style:italic;font-weight:400;
  animation:fadeSlideDown 0.7s ease both;
}
.bday-l2{
  font-family:var(--ff-elegant);font-size:clamp(4rem,14vw,7rem);
  background:var(--grad-hero);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  line-height:1.1;filter:drop-shadow(0 0 30px rgba(255,94,158,0.4));
  animation:fadeSlideDown 0.7s ease 0.2s both;
}
.bday-l3{
  font-size:clamp(1.2rem,3vw,1.6rem);
  color:var(--w40);font-weight:300;margin-top:8px;
  animation:fadeSlideDown 0.7s ease 0.4s both;
}
.bday-sub{
  font-family:var(--ff-script);font-size:1.3rem;
  color:var(--rose-gold);margin-bottom:36px;z-index:2;
  animation:fadeSlideDown 0.7s ease 0.6s both;
}

/* ============================================================
   STORY 1 — CHILDHOOD (VHS)
   ============================================================ */
.story-photo-bg{
  background:var(--grad-night);
  align-items:center;justify-content:center;
}
.vhs-scanlines{
  position:absolute;inset:0;z-index:8;pointer-events:none;
  background:repeating-linear-gradient(
    0deg,transparent,transparent 2px,rgba(0,0,0,0.06) 2px,rgba(0,0,0,0.06) 4px
  );
  animation:scanlineScroll 8s linear infinite;
}
@keyframes scanlineScroll{0%{transform:translateY(0)}100%{transform:translateY(8px)}}

.vhs-label{
  position:absolute;top:60px;left:20px;z-index:9;
  font-family:'Courier New',monospace;font-size:0.85rem;
  color:rgba(255,255,255,0.5);letter-spacing:2px;
  text-shadow:0 0 6px rgba(255,100,100,0.5);
}
.vintage-grain{
  position:absolute;inset:0;border-radius:inherit;
  background:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;pointer-events:none;
}

/* ===== Photo Frames ===== */
.photo-frame{
  position:relative;max-width:300px;width:85%;
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-xl);
  animation:frameIn 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.3s both;
  margin-bottom:16px;
}
.frame-photo{
  width:100%;height:auto;display:block;
  max-height:55vh;object-fit:cover;
  transition:transform 8s ease;
}
/* Ken Burns effect */
.photo-frame.active .frame-photo{transform:scale(1.08)}

@keyframes frameIn{from{transform:scale(0.8) rotate(-2deg);opacity:0}to{transform:scale(1) rotate(0);opacity:1}}

/* Vintage frame */
.frame-vintage{
  border:6px solid rgba(255,255,255,0.15);
  border-radius:4px;
  filter:sepia(0.3) contrast(1.1);
}
.frame-vintage .frame-photo{filter:sepia(0.25) saturate(0.85)}

/* Polaroid frame */
.frame-polaroid{
  background:white;
  padding:10px 10px 50px;
  border-radius:4px;
  box-shadow:0 8px 30px rgba(0,0,0,0.4);
  transform:rotate(-2deg);
}
.frame-polaroid .frame-photo{border-radius:2px}
.polaroid-label{
  position:absolute;bottom:10px;left:0;right:0;
  text-align:center;
  font-family:var(--ff-script);font-size:1rem;color:#444;
  padding:0 12px;
}

/* Gallery frame variants (set via JS) */
.frame-style-1{border:4px solid rgba(255,107,138,0.4);border-radius:20px;box-shadow:0 0 30px rgba(255,107,138,0.2)}
.frame-style-2{border:4px solid rgba(168,85,247,0.4);border-radius:50% 20% / 10% 40%;box-shadow:0 0 30px rgba(168,85,247,0.2)}
.frame-style-3{border:4px solid var(--gold);border-radius:var(--radius);box-shadow:var(--glow-gold)}
.frame-style-4{border:3px solid white;border-radius:var(--radius);box-shadow:0 0 0 3px var(--rose),0 0 0 6px var(--purple)}
.frame-style-5{border:none;border-radius:30% 70% 70% 30% / 30% 30% 70% 70%;overflow:hidden}
.frame-style-6{border:4px solid var(--champagne);border-radius:4px;box-shadow:0 0 30px rgba(247,231,206,0.2)}
.frame-style-7{border:5px solid transparent;border-image:var(--grad-hero) 1;border-radius:0}
.frame-style-8{border:4px solid var(--mint);border-radius:var(--radius-lg);box-shadow:0 0 30px rgba(52,211,153,0.2)}

.gallery-cap{
  font-family:var(--ff-script);font-size:1.2rem;
  color:var(--champagne);text-align:center;max-width:300px;
  animation:fadeSlideUp 0.5s ease 0.5s both;
}

.slide-counter{
  font-size:0.75rem;color:var(--w40);margin-top:8px;
  letter-spacing:1px;
}

/* ===== Photo Caption ===== */
.photo-caption{
  text-align:center;font-size:1.05rem;color:var(--w60);
  max-width:320px;line-height:1.6;
  animation:fadeSlideUp 0.5s ease 0.5s both;
}
.vintage-cap{
  font-family:var(--ff-display);font-style:italic;
  color:var(--champagne);font-size:1.1rem;
}
.love-cap{
  font-family:var(--ff-script);font-size:1.2rem;color:var(--rose-gold);
}

/* ============================================================
   STORY 3 — MEMORY GAME
   ============================================================ */
.game-bg{
  background:var(--grad-night);
}
.game-title{
  font-family:var(--ff-display);font-size:clamp(1.3rem,4vw,1.8rem);
  font-weight:700;text-align:center;margin-bottom:4px;
  background:var(--grad-warm);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.game-sub{
  font-size:0.9rem;color:var(--w40);text-align:center;margin-bottom:12px;
}
.game-stats{
  display:flex;gap:20px;margin-bottom:14px;
}
.stat{
  font-size:0.8rem;font-weight:600;color:var(--w60);
  background:var(--w05);border:1px solid var(--w10);
  padding:6px 14px;border-radius:var(--radius-full);
}

.memory-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:6px;
  width:100%;max-width:340px;
  aspect-ratio:4/3.3;
}

.mem-card{
  position:relative;cursor:pointer;
  perspective:600px;
  border-radius:10px;
  transition:transform 0.15s ease;
}
.mem-card:active{transform:scale(0.95)}
.mem-card-inner{
  position:relative;width:100%;height:100%;
  transition:transform 0.5s cubic-bezier(0.4,0,0.2,1);
  transform-style:preserve-3d;
  border-radius:10px;
}
.mem-card.flipped .mem-card-inner{transform:rotateY(180deg)}
.mem-card.matched .mem-card-inner{transform:rotateY(180deg)}
.mem-card.matched{pointer-events:none}

.mem-face{
  position:absolute;inset:0;
  backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:10px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.mem-back{
  background:linear-gradient(135deg,var(--rose),var(--purple));
  font-size:1.6rem;
  box-shadow:inset 0 0 20px rgba(0,0,0,0.2);
}
.mem-back::after{
  content:'💖';display:block;
  filter:drop-shadow(0 0 8px rgba(255,255,255,0.3));
  animation:heartbeat 2s ease infinite;
}
.mem-front{
  transform:rotateY(180deg);
  background:var(--bg-dark);
}
.mem-front img{
  width:100%;height:100%;object-fit:cover;
}
.mem-card.matched .mem-front{
  box-shadow:0 0 15px rgba(52,211,153,0.4);
  border:2px solid var(--mint);
}
.mem-card.wrong .mem-card-inner{animation:cardShake 0.4s ease}
@keyframes cardShake{0%,100%{transform:rotateY(180deg) translateX(0)}25%{transform:rotateY(180deg) translateX(-6px)}75%{transform:rotateY(180deg) translateX(6px)}}

.match-toast{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  z-index:60;pointer-events:none;
  font-family:var(--ff-script);font-size:1.3rem;color:var(--gold);
  opacity:0;
  text-shadow:0 0 20px rgba(251,191,36,0.5);
}
.match-toast.show{animation:toastPop 1.5s ease forwards}
@keyframes toastPop{
  0%{opacity:0;transform:translate(-50%,-50%) scale(0.5)}
  20%{opacity:1;transform:translate(-50%,-50%) scale(1.1)}
  80%{opacity:1;transform:translate(-50%,-60%) scale(1)}
  100%{opacity:0;transform:translate(-50%,-70%) scale(0.8)}
}

.game-win{
  position:absolute;inset:0;z-index:20;
  background:rgba(7,7,20,0.92);backdrop-filter:blur(12px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:40px 24px;
  animation:fadeIn 0.5s ease;
}
.win-stars{font-size:2.5rem;letter-spacing:8px;margin-bottom:20px;animation:heartbeat 2s ease infinite}
.win-text{
  font-family:var(--ff-display);font-size:1.5rem;
  background:var(--grad-warm);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  text-align:center;margin-bottom:8px;
}
.win-sub{font-size:0.9rem;color:var(--w40);text-align:center;margin-bottom:28px}

/* ============================================================
   STORY 5 — SCRATCH CARD
   ============================================================ */
.scratch-bg{background:var(--grad-night)}
.scratch-title{
  font-family:var(--ff-display);font-size:clamp(1.5rem,5vw,2rem);
  font-weight:700;text-align:center;margin-bottom:8px;
  background:var(--grad-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.scratch-hint{font-size:0.9rem;color:var(--w40);text-align:center;margin-bottom:20px}

.scratch-wrap{
  position:relative;width:280px;height:380px;
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--glow-gold);
}
.scratch-under{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1a0a2e,#0c0c22);
  padding:20px;
}
.scratch-photo{
  width:100%;max-height:260px;object-fit:cover;
  border-radius:var(--radius);margin-bottom:16px;
}
.scratch-msg{
  font-family:var(--ff-script);font-size:1.4rem;
  color:var(--gold);text-align:center;
}
.scratch-canvas{
  position:absolute;inset:0;width:100%;height:100%;
  cursor:pointer;border-radius:inherit;
  touch-action:none;
}

/* ============================================================
   STORY 6 — LOVE LETTER
   ============================================================ */
.letter-bg{background:var(--grad-night)}

.envelope-area{z-index:2}
.envelope{
  width:280px;height:180px;position:relative;cursor:pointer;
  transition:all 0.5s ease;
}
.envelope:hover{transform:scale(1.05)}
.envelope:active{transform:scale(0.98)}
.env-body{
  width:100%;height:100%;
  background:linear-gradient(135deg,#fde68a,#fbbf24);
  border-radius:0 0 var(--radius) var(--radius);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-xl);position:relative;z-index:1;
}
.env-flap{
  position:absolute;top:0;left:0;right:0;height:90px;
  background:linear-gradient(135deg,#f59e0b,#d97706);
  clip-path:polygon(0 0,50% 65%,100% 0);
  z-index:2;transition:all 0.6s ease;
  transform-origin:top center;
}
.envelope.opening .env-flap{transform:rotateX(180deg);opacity:0}
.env-text{
  font-family:var(--ff-script);font-size:1.4rem;color:#78350f;
}

.letter-scroll{
  width:100%;max-width:360px;
  animation:letterUp 0.8s cubic-bezier(0.22,1,0.36,1);
  overflow-y:auto;max-height:60vh;
  z-index:2;
}
@keyframes letterUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}

.letter-paper{
  background:linear-gradient(180deg,#fffbeb,#fef3c7);
  border-radius:var(--radius);padding:28px 22px;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-xl);
}
.letter-text{
  font-family:var(--ff-display);font-size:1.05rem;color:#44403c;
  line-height:1.9;position:relative;z-index:2;
  font-style:italic;
}
.letter-text .cursor{
  display:inline-block;width:2px;height:1.1em;background:#78350f;
  animation:blink 0.7s step-end infinite;vertical-align:text-bottom;margin-left:2px;
}
@keyframes blink{50%{opacity:0}}

.petals-layer{
  position:fixed;inset:0;pointer-events:none;z-index:1;overflow:hidden;
}
.petal{
  position:absolute;font-size:1.2rem;opacity:0.35;
  animation:petalDrift linear infinite;
}
@keyframes petalDrift{
  0%{transform:translateY(-30px) rotate(0) translateX(0);opacity:0}
  10%{opacity:0.35}
  90%{opacity:0.35}
  100%{transform:translateY(100vh) rotate(360deg) translateX(var(--drift));opacity:0}
}

/* ============================================================
   STORY 7 — GRAND FINALE
   ============================================================ */
.finale-inner{z-index:5;position:relative}

.cake-section{text-align:center;margin-bottom:20px;flex-shrink:0}
.cake-3d{display:flex;flex-direction:column;align-items:center;perspective:800px;flex-shrink:0}
.c-tier{position:relative;transition:all 0.3s ease;flex-shrink:0}
.c-t1{
  width:110px;height:46px;z-index:3;
  background:linear-gradient(180deg,#fda4af,#fb7185);
  border-radius:10px 10px 4px 4px;
}
.c-t2{
  width:155px;height:50px;z-index:2;margin-top:-2px;
  background:linear-gradient(180deg,#f472b6,#ec4899);
  border-radius:4px;
}
.c-t3{
  width:200px;height:56px;z-index:1;margin-top:-2px;
  background:linear-gradient(180deg,#db2777,#be185d);
  border-radius:4px 4px 12px 12px;
}
.c-frost{
  position:absolute;bottom:-4px;left:-4px;right:-4px;height:10px;
  background:rgba(255,255,255,0.22);border-radius:0 0 6px 6px;
}
.c-deco{
  position:absolute;inset:0;display:flex;align-items:center;
  justify-content:space-around;padding:0 10px;font-size:0.7rem;
}
.c-plate{
  width:230px;height:12px;margin-top:-2px;
  background:linear-gradient(180deg,#e2e8f0,#94a3b8);
  border-radius:0 0 50% 50%;
}

.candle-row{
  display:flex;justify-content:space-around;
  width:100px;margin-bottom:4px;z-index:10;
}
.candle{
  display:flex;flex-direction:column;align-items:center;cursor:pointer;
  transition:transform 0.2s ease;
}
.candle:hover{transform:scale(1.15)}
.candle:active{transform:scale(0.9)}
.c-flame{
  width:8px;height:16px;
  background:radial-gradient(ellipse,#fef9c3,#fbbf24,#f59e0b);
  border-radius:50% 50% 50% 50% / 60% 60% 40% 40%;
  box-shadow:0 0 12px rgba(251,191,36,0.7),0 0 24px rgba(251,191,36,0.3);
  animation:flicker 0.3s ease-in-out infinite alternate;
  transition:all 0.3s ease;
}
.candle.blown .c-flame{opacity:0;transform:scale(0);box-shadow:none}
.candle.blown .c-smoke{opacity:1}
.c-smoke{
  width:4px;height:4px;border-radius:50%;background:rgba(148,163,184,0.4);
  opacity:0;animation:smokeUp 1.5s ease-out forwards;
}
@keyframes smokeUp{0%{transform:translateY(0) scale(1);opacity:0.5}100%{transform:translateY(-20px) scale(2.5);opacity:0}}
.c-stick{width:5px;height:20px;background:linear-gradient(180deg,#fef3c7,#fde68a);border-radius:2px}
@keyframes flicker{0%{transform:scaleY(1) rotate(-2deg)}100%{transform:scaleY(1.12) rotate(2deg)}}

.blow-text{
  color:var(--w60);font-size:1rem;margin-top:14px;
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}

/* Final Message */
.final-reveal{
  animation:fadeSlideUp 0.8s cubic-bezier(0.22,1,0.36,1);
  display:flex;flex-direction:column;align-items:center;
  width:100%;overflow-y:auto;max-height:85vh;
  padding-bottom:30px;
}
.hero-wrap{
  width:200px;height:auto;margin-bottom:20px;
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--glow-pink);
  animation:float 4s ease-in-out infinite;
}
.hero-photo{width:100%;height:auto;display:block;border-radius:inherit}

.final-card{
  background:var(--bg-card);backdrop-filter:blur(20px);
  border:1px solid rgba(255,94,158,0.15);
  border-radius:var(--radius-lg);
  padding:28px 22px;width:100%;max-width:380px;
  margin-bottom:24px;
}
.fc-hearts{text-align:center;font-size:1.4rem;letter-spacing:6px;margin-bottom:12px;animation:heartbeat 2s ease infinite}
.fc-title{
  font-family:var(--ff-display);font-size:clamp(1.4rem,4vw,1.8rem);
  text-align:center;
  background:var(--grad-warm);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  margin-bottom:16px;
}
.fc-body{
  font-family:var(--ff-display);font-size:0.95rem;color:var(--w60);
  line-height:1.8;text-align:left;font-style:italic;
}
.fc-body p{margin-bottom:12px}
.fc-body strong{color:var(--rose)}
.fc-body em{color:var(--gold);font-style:italic}
.fc-sign{
  text-align:center;font-family:var(--ff-script);font-size:1.2rem;
  color:var(--rose);margin-top:16px;
}
.fc-name{
  font-size:1.4rem;
  background:var(--grad-warm);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

.final-btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}

/* ===== General Animations ===== */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeSlideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeSlideDown{from{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes heartbeat{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
@keyframes spin{to{transform:rotate(360deg)}}

/* Emoji burst (injected by JS) */
@keyframes emojiBurst{
  0%{transform:translate(0,0) scale(0);opacity:1}
  50%{opacity:1}
  100%{transform:translate(var(--tx),var(--ty)) scale(1.5);opacity:0}
}
@keyframes emojiRise{
  0%{transform:translateY(0) scale(1);opacity:1}
  100%{transform:translateY(-80px) scale(1.3);opacity:0}
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,94,158,0.2);border-radius:2px}
::selection{background:rgba(255,94,158,0.3);color:white}

/* ===== Mobile-First Responsive ===== */

/* -- Core mobile (default, 320px–430px) -- */
/* All base styles above are already mobile-sized */

/* Safe area for notched phones (iPhone X+) */
@supports(padding: env(safe-area-inset-top)) {
  .progress-bar { padding-top: calc(env(safe-area-inset-top, 0px) + 10px); }
  .sound-btn { top: calc(env(safe-area-inset-top, 0px) + 14px); }
  .story-inner { padding-top: calc(env(safe-area-inset-top, 0px) + 50px); padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 20px); }
}

/* Small phones (320px–374px, e.g. iPhone SE) */
@media(max-width:374px){
  .story-inner{padding:44px 14px 20px}
  .chapter-title{font-size:1.2rem;margin-bottom:12px}
  .bday-l2{font-size:3.5rem}
  .photo-frame{max-width:250px}
  .photo-caption{font-size:0.9rem;max-width:260px}
  .memory-grid{gap:4px;max-width:290px}
  .mem-back::after{font-size:1.2rem}
  .game-title{font-size:1.2rem}
  .game-sub{font-size:0.8rem}
  .scratch-wrap{width:240px;height:330px}
  .scratch-title{font-size:1.3rem}
  .envelope{width:230px;height:150px}
  .letter-paper{padding:20px 14px}
  .letter-text{font-size:0.92rem;line-height:1.75}
  .final-card{padding:20px 14px}
  .fc-title{font-size:1.2rem}
  .fc-body{font-size:0.88rem}
  .hero-wrap{width:160px}
  .btn-glow{padding:14px 28px;font-size:0.9rem}
  .blow-text{font-size:0.85rem}
  .countdown-badge{padding:8px 20px;font-size:0.85rem}
  .c-t1{width:90px;height:38px}
  .c-t2{width:130px;height:42px}
  .c-t3{width:170px;height:48px}
  .c-plate{width:195px}
  .candle-row{width:80px}
  .win-text{font-size:1.2rem}
  .bday-sub{font-size:1.1rem}
}

/* Medium phones (375px–413px, e.g. iPhone 12/13/14) */
@media(min-width:375px) and (max-width:413px){
  .photo-frame{max-width:280px}
  .memory-grid{max-width:320px}
  .scratch-wrap{width:260px;height:360px}
}

/* Large phones (414px+, e.g. iPhone Plus/Pro Max) */
@media(min-width:414px) and (max-width:499px){
  .story-inner{padding:50px 22px 28px}
  .photo-frame{max-width:310px}
  .memory-grid{max-width:350px;gap:7px}
  .scratch-wrap{width:290px;height:390px}
  .letter-paper{padding:30px 24px}
  .hero-wrap{width:220px}
}

/* Ensure touch targets are big enough (48px minimum per WCAG) */
.btn-glow,.btn-outline{min-height:48px}
.mem-card{min-height:0}
.candle{min-width:28px;min-height:48px;padding:4px}
.sound-btn{min-width:44px;min-height:44px}

/* Short phones — compress vertical spacing */
@media(max-height:680px){
  .story-inner{padding-top:40px;padding-bottom:16px}
  .countdown-badge{margin-bottom:24px}
  .bday-l2{font-size:3rem}
  .bday-sub{margin-bottom:20px}
  .photo-frame{max-height:45vh}
  .frame-photo{max-height:45vh}
  .scratch-wrap{height:300px}
  .hero-wrap{width:160px}
  .game-title{font-size:1.1rem;margin-bottom:2px}
  .game-sub{margin-bottom:8px}
  .game-stats{margin-bottom:8px}
  .chapter-title{margin-bottom:10px}
  .blow-text{margin-top:8px}
  .fc-body{font-size:0.85rem;line-height:1.6}
  .letter-text{font-size:0.9rem;line-height:1.7}
  .letter-scroll{max-height:52vh}
}

/* Tall phones (812px+) — use the extra vertical space */
@media(min-height:812px){
  .photo-frame{max-height:55vh}
  .frame-photo{max-height:55vh}
  .countdown-badge{margin-bottom:50px}
  .bday-sub{margin-bottom:44px}
}

/* Desktop/Tablet — phone frame aesthetic */
@media(min-width:500px){
  body{background:#111}
  .phone-frame{
    height:min(96vh, 932px);
    border-radius:44px;
    box-shadow:0 0 0 3px rgba(255,255,255,0.08), 0 40px 80px rgba(0,0,0,0.6), 0 0 120px rgba(168,85,247,0.1);
  }
  .story-inner{padding:56px 28px 32px}
  .photo-frame{max-width:320px}
  .memory-grid{max-width:360px;gap:8px}
  .scratch-wrap{width:300px;height:400px}
  .letter-paper{padding:32px 28px}
  .hero-wrap{width:240px}
}

/* Landscape orientation — keep usable */
@media(orientation:landscape) and (max-height:500px){
  .phone-frame{max-width:100%;border-radius:0}
  .story-inner{flex-direction:row;flex-wrap:wrap;gap:12px;padding:20px 30px;justify-content:center}
  .photo-frame{max-width:200px;max-height:38vh}
  .frame-photo{max-height:38vh}
  .bday-l2{font-size:3rem}
  .memory-grid{max-width:280px;gap:4px}
  .scratch-wrap{width:200px;height:240px}
}