/* =========================================================================
   VŨ TRỤ SINH NHẬT HUỲNH THU THÚY — STYLESHEET CHÍNH (MOBILE-FIRST)
   Phong cách: Vũ trụ × Ánh sáng × Phép màu × Cảm xúc
   ========================================================================= */

:root {
  --bg-deep: #030714;
  --bg-space: #070d24;
  --neon-cyan: #00f0ff;
  --neon-purple: #9d4edd;
  --neon-pink: #f72585;
  --gold-candle: #ffd166;
  --gold-flame: #ff9e00;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.78);
  --text-muted: rgba(255, 255, 255, 0.5);
  --glass-bg: rgba(15, 23, 42, 0.55);
  --glass-border: rgba(255, 255, 255, 0.12);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Playfair Display", Georgia, serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  height: 100dvh;
  min-height: 100svh;
  overflow: hidden;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-main);
  position: relative;
  touch-action: manipulation;
}

/* Background Canvas & Particle Layer */
#canvas-stars, #canvas-fx {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#canvas-stars {
  z-index: 1;
  pointer-events: none;
}

#canvas-fx {
  z-index: 50;
  pointer-events: none;
}

/* Tinh vân background gradient */
.cosmic-nebula {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 30%, rgba(157, 78, 221, 0.18) 0%, transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(0, 240, 255, 0.12) 0%, transparent 50%),
              radial-gradient(circle at 20% 70%, rgba(247, 37, 133, 0.1) 0%, transparent 50%);
  z-index: 2;
  pointer-events: none;
}

/* Audio & Top Controls */
.top-nav-bar {
  position: fixed;
  top: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  pointer-events: none;
}

.control-btn {
  pointer-events: auto;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  border-radius: 9999px;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.control-btn:active {
  transform: scale(0.92);
}

.control-btn.active {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
  color: var(--neon-cyan);
}

.easter-star-btn {
  pointer-events: auto;
  font-size: 18px;
  animation: pulseSecretStar 3s infinite ease-in-out;
}

@keyframes pulseSecretStar {
  0%, 100% { transform: scale(1); opacity: 0.5; filter: drop-shadow(0 0 4px #ffd166); }
  50% { transform: scale(1.15) rotate(15deg); opacity: 0.9; filter: drop-shadow(0 0 10px #ffd166); }
}

/* Scene Wrapper */
#scenes-container {
  position: relative;
  width: 100%;
  height: 100%;
  height: 100dvh;
  z-index: 10;
}

.scene {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.96);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.scene.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  pointer-events: auto;
}

/* Typography & Glow */
.cosmic-badge {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: var(--neon-cyan);
  margin-bottom: 16px;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

.cosmic-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  line-height: 1.35;
  background: linear-gradient(135deg, #ffffff 0%, #d8b4fe 50%, #00f0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 24px rgba(157, 78, 221, 0.4);
  margin-bottom: 12px;
}

.cosmic-title-lg {
  font-size: 34px;
  letter-spacing: 1px;
}

.cosmic-subtitle {
  font-size: 15px;
  line-height: 1.6;
  text-align: center;
  color: var(--text-secondary);
  max-width: 320px;
  margin-bottom: 24px;
}

.instruction-text {
  font-size: 14px;
  color: var(--neon-cyan);
  text-align: center;
  letter-spacing: 0.5px;
  margin-top: 16px;
  animation: floatText 2s infinite ease-in-out;
}

@keyframes floatText {
  0%, 100% { transform: translateY(0); opacity: 0.8; }
  50% { transform: translateY(-4px); opacity: 1; }
}

/* =========================================================================
   MÀN 01 — VŨ TRỤ CỦA THU THÚY
   ========================================================================= */
.scene-01-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.date-reveal {
  font-size: 24px;
  letter-spacing: 6px;
  font-weight: 300;
  color: var(--neon-cyan);
  margin-bottom: 20px;
  text-shadow: 0 0 16px rgba(0, 240, 255, 0.8);
  opacity: 0;
  transform: translateY(10px);
  transition: all 1.2s ease;
}

.fade-line {
  opacity: 0;
  transform: translateY(15px);
  transition: all 1s ease;
}

.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.hero-name {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 2px;
  margin: 16px 0;
  background: linear-gradient(135deg, #fff 0%, #ff80bf 50%, #9966ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(247, 37, 133, 0.6));
}

.pulsing-hero-star {
  position: relative;
  width: 90px;
  height: 90px;
  margin-top: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.star-core {
  width: 32px;
  height: 32px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 30px 10px rgba(0, 240, 255, 0.9), 0 0 60px 20px rgba(157, 78, 221, 0.6);
  animation: pulseCore 1.8s infinite alternate ease-in-out;
}

.star-halo {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px dashed rgba(0, 240, 255, 0.5);
  animation: rotateHalo 8s infinite linear;
}

@keyframes pulseCore {
  0% { transform: scale(0.9); box-shadow: 0 0 25px 8px rgba(0, 240, 255, 0.8); }
  100% { transform: scale(1.15); box-shadow: 0 0 45px 16px rgba(247, 37, 133, 0.9); }
}

@keyframes rotateHalo {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* =========================================================================
   MÀN 02 — CHIẾC BÁNH SINH NHẬT
   ========================================================================= */
.cake-drop-stage {
  position: relative;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cake-box-interactive {
  position: absolute;
  width: 180px;
  height: 180px;
  cursor: pointer;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cake-box-interactive.dropping {
  animation: cakeFall 1.2s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.cake-box-interactive.caught {
  transform: translateY(0) scale(1.08) !important;
  filter: drop-shadow(0 0 30px rgba(255, 209, 102, 0.8));
}

@keyframes cakeFall {
  0% { transform: translateY(-380px) scale(0.6) rotate(-8deg); opacity: 0; }
  60% { transform: translateY(15px) scale(1.05) rotate(3deg); opacity: 1; }
  80% { transform: translateY(-8px) scale(0.98) rotate(-1deg); }
  100% { transform: translateY(0) scale(1) rotate(0deg); opacity: 1; }
}

.cake-pedestal {
  position: absolute;
  bottom: 20px;
  width: 240px;
  height: 20px;
  background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(4px);
}

/* =========================================================================
   MÀN 03 — 19 NGỌN NẾN
   ========================================================================= */
.candle-cake-container {
  position: relative;
  width: 320px;
  max-width: 90vw;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 24px 16px;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.candles-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px 8px;
  width: 100%;
  justify-items: center;
  margin: 16px 0;
  touch-action: none;
}

.candle-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  padding: 6px 4px;
  border-radius: 12px;
  transition: transform 0.2s ease;
}

.candle-item:active {
  transform: scale(0.9);
}

.flame {
  width: 12px;
  height: 20px;
  background: radial-gradient(ellipse at bottom, #fff 0%, var(--gold-candle) 40%, var(--gold-flame) 80%, transparent 100%);
  border-radius: 50% 50% 20% 20%;
  opacity: 0;
  transform: scale(0);
  transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  filter: drop-shadow(0 0 8px #ff9e00);
}

.candle-item.lit .flame {
  opacity: 1;
  transform: scale(1);
  animation: flickerFlame 0.8s infinite alternate ease-in-out;
}

@keyframes flickerFlame {
  0% { transform: scale(1) rotate(-2deg); filter: drop-shadow(0 0 6px #ffd166); }
  100% { transform: scale(1.15) rotate(3deg); filter: drop-shadow(0 0 12px #ff9e00); }
}

.candle-stick {
  width: 10px;
  height: 38px;
  background: linear-gradient(to right, #e2e8f0, #ffffff, #cbd5e1);
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  margin-top: 2px;
  position: relative;
}

.candle-stick::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 4px;
  width: 2px;
  height: 4px;
  background: #333;
}

.candle-progress {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--gold-candle);
  text-shadow: 0 0 10px rgba(255, 209, 102, 0.6);
  margin-top: 8px;
}

/* =========================================================================
   MÀN 04 — ĐIỀU ƯỚC (HOLD GESTURE)
   ========================================================================= */
.wish-hold-zone {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 30px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.wish-ring-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.wish-ring-bg {
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 6;
  fill: none;
}

.wish-ring-progress {
  stroke: var(--neon-cyan);
  stroke-width: 6;
  fill: none;
  stroke-linecap: round;
  stroke-dasharray: 565;
  stroke-dashoffset: 565;
  transition: stroke-dashoffset 0.1s linear;
  filter: drop-shadow(0 0 10px var(--neon-cyan));
}

.wish-hold-center {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(157, 78, 221, 0.4) 0%, rgba(3, 7, 20, 0.8) 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
  transition: all 0.3s ease;
}

.wish-hold-zone.holding .wish-hold-center {
  transform: scale(1.08);
  box-shadow: 0 0 40px rgba(247, 37, 133, 0.8);
  border-color: var(--neon-pink);
}

/* =========================================================================
   MÀN 05 — THỔI NẾN (MIC HOẶC SWIPE)
   ========================================================================= */
.blow-candles-rack {
  position: relative;
  width: 300px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: 20px 0;
}

.blow-swipe-area {
  width: 100%;
  max-width: 320px;
  height: 180px;
  border: 1px dashed rgba(0, 240, 255, 0.3);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 240, 255, 0.03);
  position: relative;
  overflow: hidden;
  touch-action: none;
}

.swipe-hint-arrow {
  font-size: 32px;
  color: var(--neon-cyan);
  animation: swipeArrowAnim 1.5s infinite ease-in-out;
}

@keyframes swipeArrowAnim {
  0% { transform: translateX(-40px); opacity: 0.2; }
  50% { transform: translateX(0); opacity: 1; }
  100% { transform: translateX(40px); opacity: 0.2; }
}

.screen-blackout {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease;
}

.screen-blackout.active {
  opacity: 1;
  pointer-events: auto;
}

/* =========================================================================
   MÀN 06 — PHÁO HOA (CAO TRÀO)
   ========================================================================= */
.firework-interactive-zone {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 20;
}

.firework-title-wrap {
  position: relative;
  z-index: 25;
  text-align: center;
  pointer-events: none;
}

.age-big-banner {
  font-size: 64px;
  font-weight: 900;
  letter-spacing: 4px;
  background: linear-gradient(to bottom, #fff 0%, #ffd166 60%, #ff9e00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 35px rgba(255, 209, 102, 0.9));
  margin: 10px 0;
}

.firework-btn-next {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  padding: 12px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border: none;
  box-shadow: 0 0 20px rgba(247, 37, 133, 0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
}

.firework-btn-next:active {
  transform: translateX(-50%) scale(0.95);
}

/* =========================================================================
   MÀN 07 — BỨC THƯ DÀNH CHO THÚY
   ========================================================================= */
.letter-scene-wrapper {
  position: relative;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.envelope-container {
  position: relative;
  width: 260px;
  height: 170px;
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  border: 1px solid var(--neon-purple);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(157, 78, 221, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  touch-action: none;
  transition: transform 0.4s ease;
}

.envelope-seal {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffd166, #ff9e00);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 15px rgba(255, 209, 102, 0.8);
}

.letter-sheet-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 90%;
  max-width: 440px;
  max-height: 80dvh;
  overflow-y: auto;
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 24px;
  padding: 28px 22px;
  z-index: 120;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 240, 255, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.letter-sheet-modal.open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.letter-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--neon-cyan);
  margin-bottom: 16px;
  text-align: center;
  line-height: 1.4;
}

.letter-body p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 14px;
  text-align: justify;
}

.letter-signature {
  font-style: italic;
  text-align: right;
  color: var(--gold-candle);
  font-size: 14px;
  margin-top: 18px;
}

.letter-close-btn {
  width: 100%;
  margin-top: 20px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.letter-close-btn:active {
  background: rgba(255, 255, 255, 0.15);
}

/* =========================================================================
   MÀN 08 — VŨ TRỤ KỶ NIỆM (ORBITS & PLANETS)
   ========================================================================= */
.galaxy-stage {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10px 0;
}

.galaxy-center-star {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--neon-cyan) 60%, transparent 100%);
  box-shadow: 0 0 25px var(--neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.orbit-planet-item {
  position: absolute;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

.orbit-planet-item:active {
  transform: scale(1.15) !important;
}

.planet-caption-modal {
  position: fixed;
  bottom: 24px;
  left: 20px;
  right: 20px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--neon-cyan);
  border-radius: 18px;
  padding: 16px 20px;
  backdrop-filter: blur(20px);
  z-index: 130;
  opacity: 0;
  transform: translateY(20px);
  visibility: hidden;
  transition: all 0.35s ease;
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

.planet-caption-modal.show {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.planet-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--neon-cyan);
  margin-bottom: 6px;
}

.planet-desc {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* =========================================================================
   MÀN 09 — MÓN QUÀ CUỐI CÙNG & LỜI NHẮN
   ========================================================================= */
.gift-box-interactive {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 20px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.gift-box-interactive:active {
  transform: scale(0.92);
}

.gift-box-cube {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, #7928ca, #ff0080);
  border-radius: 20px;
  position: relative;
  box-shadow: 0 10px 35px rgba(255, 0, 128, 0.4), 0 0 25px rgba(121, 40, 202, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: floatGift 3s infinite ease-in-out;
}

@keyframes floatGift {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(2deg); }
}

.ribbon-h {
  position: absolute;
  width: 100%;
  height: 18px;
  background: #ffd166;
  border-radius: 4px;
}

.ribbon-v {
  position: absolute;
  width: 18px;
  height: 100%;
  background: #ffd166;
  border-radius: 4px;
}

.ribbon-bow {
  position: absolute;
  top: -14px;
  font-size: 30px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.final-card-revealed {
  display: none;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 360px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 24px 18px;
  backdrop-filter: blur(20px);
  animation: zoomFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes zoomFadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.wish-input-form {
  width: 100%;
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wish-textarea {
  width: 100%;
  height: 80px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 10px 14px;
  color: #fff;
  font-size: 13.5px;
  font-family: inherit;
  resize: none;
  outline: none;
}

.wish-textarea:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.wish-submit-btn {
  padding: 12px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--neon-cyan), #4facfe);
  border: none;
  color: #030714;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.wish-submit-btn:active {
  transform: scale(0.97);
}

/* =========================================================================
   EASTER EGG TOAST
   ========================================================================= */
.toast-egg {
  position: fixed;
  top: 70px;
  left: 20px;
  right: 20px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--gold-candle);
  border-radius: 16px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
  opacity: 0;
  transform: translateY(-20px);
  visibility: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 30px rgba(0,0,0,0.8), 0 0 20px rgba(255, 209, 102, 0.4);
}

.toast-egg.show {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.toast-egg-icon {
  font-size: 24px;
}

.toast-egg-text {
  font-size: 13px;
  line-height: 1.45;
  color: #fff;
}