/* ══════════════════════════════════════════════
   Birthday Wishing – Main Stylesheet
   ══════════════════════════════════════════════ */

/* ── Design Tokens ── */

:root {
  /* Background */
  --bg-initial: #000;
  --bg-peach: #FFDAB9;
  --bg-peach-light: #FFE4B5;
  --bg-peach-lighter: #FFEFD5;

  /* Balloon letter colors */
  --balloon-color-1: #F2B300;
  --balloon-color-2: #0719D4;
  --balloon-color-3: #D14D39;
  --balloon-color-4: #8FAD00;
  --balloon-color-5: #0719D4;
  --balloon-color-6: #8377E4;

  /* Balloon text */
  --balloon-text-shadow: #fff;
  --balloon-text-default: #BF4136;

  /* Buttons – elegant charcoal */
  --btn-gradient: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
  --btn-gradient-hover: linear-gradient(135deg, #3a3a3a 0%, #222 100%);
  --btn-text: #f5f0eb;
  --btn-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  --btn-shadow-hover: 0 6px 25px rgba(0, 0, 0, 0.45);

  /* Message */
  --msg-color: #C4515C;
  --msg-shadow: #fff;

  /* Typography */
  --font-display: 'Dancing Script', cursive;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Poppins', sans-serif;
  --font-size-balloon: 50px;
  --font-size-message: 30px;

  /* Cake */
  --cake-diameter: 300px;
  --cake-candle: rgba(255, 255, 255, 1);
  --cake-frosting: rgba(236, 231, 227, 1);
  --cake-chocolate: rgba(109, 56, 38, 1);
  --cake-flame-start: rgba(254, 248, 97, 0.5);
  --cake-flame-mid: rgba(255, 50, 0, 0.1);

  /* Spinner */
  --spinner-highlight: #fff;
  --spinner-dark: rgba(0, 0, 0, 0.75);
  --spinner-mid: rgba(0, 0, 0, 0.5);

  /* Cards */
  --card-bg: rgba(255, 255, 255, 0.12);
  --card-border: rgba(255, 255, 255, 0.22);
  --card-blur: 14px;
  --card-radius: 20px;
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);

  /* Bouquet */
  --bouquet-text: #6B4226;
  --bouquet-subtitle: #8B6245;

  /* Accent */
  --accent-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gold: #D4A574;

  /* Animation durations */
  --duration-bulb-glow: 5s;
  --duration-bg-transition: 5s;
  --duration-bg-cycle: 8s;
  --duration-banner-drop: 6s;
  --duration-balloon-rotate: 10s;
}

/* ── Base ── */

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

body {
  background-color: var(--bg-initial);
  transition: background-color linear var(--duration-bg-transition);
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
}

/* ── Utility Classes ── */

.container {
  display: none;
  width: 100%;
  max-width: 1170px;
  margin: 0 auto;
  padding: 0 15px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.row > * { padding: 0 15px; }
.text-center { text-align: center; }
.col-2  { flex: 0 0 16.6667%; max-width: 16.6667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* ── Background Animation ── */

.peach { background-color: var(--bg-peach); }

.peach-after {
  animation: peach_alive linear var(--duration-bg-cycle) infinite;
}

@keyframes peach_alive {
  0%   { background-color: var(--bg-peach); }
  25%  { background-color: var(--bg-peach-light); }
  50%  { background-color: var(--bg-peach); }
  75%  { background-color: var(--bg-peach-lighter); }
  100% { background-color: var(--bg-peach); }
}

/* ── Bulbs ── */

.bulb {
  width: 50px; height: 50px; margin: auto;
  background-repeat: no-repeat;
  background-position: center 0;
  background-size: 50px 50px;
}

.bulb-holder { height: 70px; }

.bulb-glow-yellow  { background-image: url('assets/bulbs/bulb_yellow.png'); animation: bulb_glow_yellow linear var(--duration-bulb-glow); }
.bulb-glow-red     { background-image: url('assets/bulbs/bulb_red.png');    animation: bulb_glow_red linear var(--duration-bulb-glow); }
.bulb-glow-blue    { background-image: url('assets/bulbs/bulb_blue.png');   animation: bulb_glow_blue linear var(--duration-bulb-glow); }
.bulb-glow-green   { background-image: url('assets/bulbs/bulb_green.png');  animation: bulb_glow_green linear var(--duration-bulb-glow); }
.bulb-glow-pink    { background-image: url('assets/bulbs/bulb_pink.png');   animation: bulb_glow_pink linear var(--duration-bulb-glow); }
.bulb-glow-orange  { background-image: url('assets/bulbs/bulb_orange.png'); animation: bulb_glow_orange linear var(--duration-bulb-glow); }

@keyframes bulb_glow_yellow { 0% { background-image: url('assets/bulbs/bulb.png'); opacity: 0; } 50% { opacity: 1; } 100% { background-image: url('assets/bulbs/bulb_yellow.png'); opacity: 1; } }
@keyframes bulb_glow_red    { 0% { background-image: url('assets/bulbs/bulb.png'); opacity: 0; } 50% { opacity: 1; } 100% { background-image: url('assets/bulbs/bulb_red.png'); opacity: 1; } }
@keyframes bulb_glow_blue   { 0% { background-image: url('assets/bulbs/bulb.png'); opacity: 0; } 50% { opacity: 1; } 100% { background-image: url('assets/bulbs/bulb_blue.png'); opacity: 1; } }
@keyframes bulb_glow_green  { 0% { background-image: url('assets/bulbs/bulb.png'); opacity: 0; } 50% { opacity: 1; } 100% { background-image: url('assets/bulbs/bulb_green.png'); opacity: 1; } }
@keyframes bulb_glow_pink   { 0% { background-image: url('assets/bulbs/bulb.png'); opacity: 0; } 50% { opacity: 1; } 100% { background-image: url('assets/bulbs/bulb_pink.png'); opacity: 1; } }
@keyframes bulb_glow_orange { 0% { background-image: url('assets/bulbs/bulb.png'); opacity: 0; } 50% { opacity: 1; } 100% { background-image: url('assets/bulbs/bulb_orange.png'); opacity: 1; } }

.bulb-glow-yellow-after { background-image: url('assets/bulbs/bulb_yellow.png'); animation: bulb_blink_yellow linear 1s infinite; }
.bulb-glow-red-after    { background-image: url('assets/bulbs/bulb_red.png');    animation: bulb_blink_red linear 1.2s infinite; }
.bulb-glow-blue-after   { background-image: url('assets/bulbs/bulb_blue.png');   animation: bulb_blink_blue linear 1.4s infinite; }
.bulb-glow-green-after  { background-image: url('assets/bulbs/bulb_green.png');  animation: bulb_blink_green linear 1.8s infinite; }
.bulb-glow-pink-after   { background-image: url('assets/bulbs/bulb_pink.png');   animation: bulb_blink_pink linear 2s infinite; }
.bulb-glow-orange-after { background-image: url('assets/bulbs/bulb_orange.png'); animation: bulb_blink_orange linear 2.2s infinite; }

@keyframes bulb_blink_yellow { 0% { background-image: url('assets/bulbs/bulb.png'); } 50% { background-image: url('assets/bulbs/bulb_yellow.png'); } 100% { background-image: url('assets/bulbs/bulb.png'); } }
@keyframes bulb_blink_red    { 0% { background-image: url('assets/bulbs/bulb.png'); } 50% { background-image: url('assets/bulbs/bulb_red.png'); }    100% { background-image: url('assets/bulbs/bulb.png'); } }
@keyframes bulb_blink_blue   { 0% { background-image: url('assets/bulbs/bulb.png'); } 50% { background-image: url('assets/bulbs/bulb_blue.png'); }   100% { background-image: url('assets/bulbs/bulb.png'); } }
@keyframes bulb_blink_green  { 0% { background-image: url('assets/bulbs/bulb.png'); } 50% { background-image: url('assets/bulbs/bulb_green.png'); }  100% { background-image: url('assets/bulbs/bulb.png'); } }
@keyframes bulb_blink_pink   { 0% { background-image: url('assets/bulbs/bulb.png'); } 50% { background-image: url('assets/bulbs/bulb_pink.png'); }   100% { background-image: url('assets/bulbs/bulb.png'); } }
@keyframes bulb_blink_orange { 0% { background-image: url('assets/bulbs/bulb.png'); } 50% { background-image: url('assets/bulbs/bulb_orange.png'); } 100% { background-image: url('assets/bulbs/bulb.png'); } }

/* ── Audio ── */
audio { display: none; }

/* ── Banner ── */

.bannar {
  max-width: 100%;
  transform: translate(0px, -500px);
}

.bannar-come {
  animation: bannar_come linear var(--duration-banner-drop);
  transform: translate(0px, 0px);
}

@keyframes bannar_come {
  0%   { transform: translate(0px, -1000px); }
  33%  { transform: translate(0px, 0px) rotate(10deg); }
  66%  { transform: translate(0px, 100px) rotate(-10deg); }
  100% { transform: translate(0px, 0px); }
}

/* ── Balloons ── */

.balloons {
  position: fixed;
  bottom: -200px;
  opacity: 0.6;
  z-index: 10;
  width: 100px; height: 183px;
  background-repeat: no-repeat;
  background-size: 100px 183px;
}

.balloons h2 {
  text-transform: uppercase;
  font-family: var(--font-display);
  font-size: var(--font-size-balloon);
  color: var(--balloon-text-default);
  text-shadow: 5px 5px 5px var(--balloon-text-shadow);
  display: none;
}

.balloon-letter-1 { color: var(--balloon-color-1) !important; }
.balloon-letter-2 { color: var(--balloon-color-2) !important; }
.balloon-letter-3 { color: var(--balloon-color-3) !important; }
.balloon-letter-4 { color: var(--balloon-color-4) !important; }
.balloon-letter-5 { color: var(--balloon-color-5) !important; }
.balloon-letter-6 { color: var(--balloon-color-6) !important; }

#b1, #b11 { background-image: url('assets/balloons/b1.png'); }
#b2, #b22 { background-image: url('assets/balloons/b2.png'); }
#b3, #b33 { background-image: url('assets/balloons/b3.png'); }
#b4, #b44 { background-image: url('assets/balloons/b4.png'); }
#b5, #b55 { background-image: url('assets/balloons/b5.png'); }
#b6, #b66 { background-image: url('assets/balloons/b6.png'); }
#b7, #b77 { background-image: url('assets/balloons/b7.png'); }

.balloons-rotate-behaviour-one {
  animation: balloons_rotate_one linear var(--duration-balloon-rotate) infinite;
  transform: rotate(30deg);
}

@keyframes balloons_rotate_one {
  0%   { transform: rotate(30deg); }
  50%  { transform: rotate(-30deg); }
  100% { transform: rotate(30deg); }
}

.balloons-rotate-behaviour-two {
  animation: balloons_rotate_two linear var(--duration-balloon-rotate) infinite;
  transform: rotate(-20deg);
}

@keyframes balloons_rotate_two {
  0%   { transform: rotate(-20deg); }
  50%  { transform: rotate(20deg); }
  100% { transform: rotate(-20deg); }
}

.balloon-border {
  position: fixed; top: 100%; opacity: 0.5; z-index: 9999;
}

/* ── Button Flow Visibility ── */

#play, #bannar_coming, #balloons_flying, #cake_fadein,
#light_candle, #wish_message, #story, #show_bouquet, #show_friends {
  display: none;
}

/* ── Cake Cover ── */
.cake-cover { margin-top: 50px; }

/* ── Message Section ── */

.message {
  margin-top: 200px;
  display: none;
}

.message p {
  font-family: var(--font-display);
  font-size: var(--font-size-message);
  text-transform: uppercase;
  color: var(--msg-color);
  text-shadow: 2px 2px 2px var(--msg-shadow);
  display: none;
  font-weight: bold;
}

/* ══════════════════════════════════════════════
   NEW – Bouquet Section
   ══════════════════════════════════════════════ */

.bouquet-section {
  display: none;
  text-align: center;
  padding: 40px 20px 60px;
  margin-top: 40px;
}

.bouquet-content {
  max-width: 500px;
  margin: 0 auto;
}

.bouquet-img {
  max-width: 320px;
  width: 100%;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.15));
  animation: bouquet_float 3s ease-in-out infinite;
}

@keyframes bouquet_float {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%      { transform: translateY(-15px) rotate(2deg); }
}

.bouquet-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  color: var(--bouquet-text);
  margin: 24px 0 12px;
  letter-spacing: 0.5px;
}

.bouquet-message {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--bouquet-subtitle);
  font-weight: 400;
  margin: 0;
}

/* ══════════════════════════════════════════════
   Friend Cards – Letter / Envelope Theme
   ══════════════════════════════════════════════ */

.friends-section {
  display: none;
  padding: 40px 20px 120px;
  text-align: center;
  position: relative;
  z-index: 20;
}

.friends-title {
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 700;
  font-style: italic;
  color: var(--bouquet-text);
  margin: 0 0 30px;
}

.friend-cards-viewport {
  overflow: hidden;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.friend-cards-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Letter card ── */

.friend-card {
  flex: 0 0 100%;
  min-width: 100%;
  background: #fdf6ec;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 31px,
      rgba(180, 160, 130, 0.18) 31px,
      rgba(180, 160, 130, 0.18) 32px
    );
  border: none;
  border-radius: 4px;
  box-shadow:
    0 2px 8px rgba(120, 90, 50, 0.12),
    inset 0 0 40px rgba(200, 180, 150, 0.15);
  overflow: hidden;
  text-align: left;
  position: relative;
  padding: 0;
}

/* Subtle torn-edge top */
.friend-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    #fdf6ec 0%, #e8d9c4 15%, #fdf6ec 30%,
    #e8d9c4 50%, #fdf6ec 70%, #e8d9c4 85%, #fdf6ec 100%
  );
}

/* Red left margin line like notebook paper */
.friend-card::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 38px;
  width: 1px;
  background: rgba(200, 80, 80, 0.2);
}

/* ── Square image (polaroid-style) ── */

.friend-card-image {
  width: 180px;
  height: 180px;
  margin: 28px auto 0;
  border: 6px solid #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transform: rotate(-2deg);
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.friend-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Letter body ── */

.friend-card-body {
  padding: 20px 28px 28px 48px;
  position: relative;
  z-index: 1;
}

/* Wax-seal style name badge */
.friend-name {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: #8B4513;
  margin: 0 0 6px;
  padding: 0;
  border-bottom: none;
  line-height: 1.3;
}

.friend-name::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--accent-gold);
  margin-top: 8px;
  margin-bottom: 16px;
}

/* ── Trait sections ── */

.card-trait {
  margin-bottom: 14px;
  padding: 0;
  border-radius: 0;
  background: none;
  border-left: none;
}

.card-trait.good,
.card-trait.roast,
.card-trait.wish {
  background: none;
  border-left: none;
}

.trait-label {
  display: block;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(139, 69, 19, 0.45);
  margin-bottom: 4px;
}

.card-trait p {
  font-family: var(--font-display);
  font-size: 19px;
  color: #5C3A1E;
  margin: 0;
  line-height: 1.65;
}

/* Divider between traits */
.card-trait + .card-trait {
  padding-top: 14px;
  border-top: 1px dashed rgba(180, 160, 130, 0.35);
}

/* ── Card Navigation ── */

.card-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
}

.card-nav-btn {
  background: var(--btn-gradient);
  color: var(--btn-text);
  border: none;
  padding: 10px 22px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--btn-shadow);
}

.card-nav-btn:hover {
  background: var(--btn-gradient-hover);
  transform: translateY(-2px);
  box-shadow: var(--btn-shadow-hover);
}

.card-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.card-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(139, 69, 19, 0.2);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.card-dot.active {
  background: #8B4513;
  transform: scale(1.3);
  box-shadow: 0 0 8px rgba(139, 69, 19, 0.35);
}

/* ══════════════════════════════════════════════
   UPGRADED – Premium Buttons
   ══════════════════════════════════════════════ */

.btn-magic {
  background: var(--btn-gradient);
  color: var(--btn-text);
  border: none;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--btn-shadow);
}

.btn-magic::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-magic:hover {
  background: var(--btn-gradient-hover);
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--btn-shadow-hover);
}

.btn-magic:hover::before {
  left: 100%;
}

.btn-magic:active {
  transform: translateY(-1px) scale(0.98);
}

/* ── Fixed Bottom Navbar ── */

.navbar-fixed-bottom {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1030;
  padding: 14px 0;
  display: flex;
  justify-content: center;
  background: linear-gradient(to top, rgba(0,0,0,0.15), transparent);
}

.navbar-fixed-bottom .row {
  justify-content: center;
  width: 100%;
}

/* ── Responsive ── */

@media (max-width: 600px) {
  .bouquet-title { font-size: 28px; }
  .bouquet-message { font-size: 18px; }
  .friends-title { font-size: 26px; }
  .friend-card-image { width: 150px; height: 150px; }
  .friend-name { font-size: 26px; }
  .friend-card-body { padding: 16px 20px 24px 44px; }
  .btn-magic { padding: 12px 22px; font-size: 14px; }
  .friend-cards-viewport { max-width: 95vw; }
}