/* ==========================================
   CHAHINE'S BIRTHDAY — STYLES
   ========================================== */

:root {
  --bg:            #060a12;
  --mc-green:      #5AAA2E;
  --mc-green-b:    #7ED321;
  --mc-green-dk:   #3D7520;
  --gold:          #FFD700;
  --gold-dk:       #FFA040;
  --cyan:          #00E5FF;
  --red:           #FF3D5A;
  --white:         #FFFFFF;
  --dim:           rgba(255,255,255,.60);
  --glass:         rgba(255,255,255,.05);
  --glass-b:       rgba(255,255,255,.10);
  --glass-s:       rgba(255,255,255,.08);
  --fp:            'Press Start 2P', monospace;
  --fc:            'Poppins', sans-serif;
  --glow-g:        0 0 20px rgba(90,170,46,.55), 0 0 45px rgba(90,170,46,.20);
  --glow-gold:     0 0 20px rgba(255,215,0,.55), 0 0 45px rgba(255,215,0,.20);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--fc);
  background: var(--bg);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
}

/* scanlines */
body::after {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent 0px, transparent 3px,
    rgba(0,0,0,.03) 3px, rgba(0,0,0,.03) 4px
  );
  pointer-events: none;
  z-index: 9990;
}

/* ── THREE.JS CANVAS ── */
#bg-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ── FLOATING ICONS ── */
#floating-icons {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.float-icon {
  position: absolute;
  user-select: none;
  will-change: transform;
  animation: fBob ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,.6));
}

@keyframes fBob {
  0%   { transform: translateY(0)    rotate(0deg); }
  25%  { transform: translateY(-15px) rotate(4deg); }
  50%  { transform: translateY(-5px)  rotate(-2deg); }
  75%  { transform: translateY(-20px) rotate(6deg); }
  100% { transform: translateY(0)    rotate(0deg); }
}

/* ── APP WRAPPER ── */
#app {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
}

/* ── PHASE TRANSITIONS ── */
.phase {
  width: 100%;
  max-width: 860px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .6s ease, transform .6s ease;
  transform: translateY(24px);
  position: absolute;
}
.phase.active {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
  position: relative;
}

/* ── BADGES ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 22px;
  border-radius: 50px;
  font-family: var(--fp);
  font-size: clamp(7px, 1.3vw, 11px);
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.badge-red {
  background: linear-gradient(135deg, var(--red), #FF6B35);
  box-shadow: 0 4px 20px rgba(255,61,90,.4);
}
.badge-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dk));
  color: #000;
  box-shadow: 0 4px 20px rgba(255,215,0,.4);
}

/* ==========================================
   COUNTDOWN PHASE
   ========================================== */
.countdown-phase {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  text-align: center;
}

/* Heading */
.birthday-heading h1 {
  font-family: var(--fp);
  font-size: clamp(22px, 5.5vw, 56px);
  line-height: 1.55;
  background: linear-gradient(160deg, #FFD700 0%, #FF9040 50%, #FF3D5A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 25px rgba(255,215,0,.4));
  animation: hPulse 4s ease-in-out infinite;
}
@keyframes hPulse {
  0%,100% { filter: drop-shadow(0 0 25px rgba(255,215,0,.4)); }
  50%      { filter: drop-shadow(0 0 48px rgba(255,215,0,.7)) drop-shadow(0 0 80px rgba(255,100,40,.3)); }
}
.birthday-heading .sub {
  font-size: clamp(13px, 2vw, 17px);
  color: var(--dim);
  font-weight: 300;
  margin-top: 14px;
  letter-spacing: .4px;
}

/* Timer */
.countdown-timer {
  display: flex;
  align-items: center;
  gap: clamp(8px, 2.5vw, 24px);
}

.time-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.time-value-wrap {
  position: relative;
  overflow: hidden;
  background: var(--glass-s);
  border: 1px solid rgba(90,170,46,.32);
  border-radius: 14px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  min-width: clamp(72px, 13vw, 140px);
  padding: clamp(14px, 2.5vw, 28px) clamp(6px, 1.5vw, 16px);
  box-shadow: var(--glow-g), inset 0 1px 0 rgba(255,255,255,.07);
}
.time-value-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--mc-green), transparent);
}
.time-val {
  font-family: var(--fp);
  font-size: clamp(28px, 6.5vw, 72px);
  color: var(--mc-green-b);
  text-shadow: 0 0 14px rgba(126,211,33,.9), 0 0 32px rgba(126,211,33,.45);
  display: block;
  text-align: center;
  will-change: transform, opacity;
}
.time-lbl {
  font-family: var(--fp);
  font-size: clamp(6px, 1vw, 9px);
  color: var(--dim);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.time-colon {
  font-family: var(--fp);
  font-size: clamp(28px, 6vw, 68px);
  color: var(--gold);
  opacity: .7;
  padding-bottom: 28px;
  animation: cBlink 1s step-end infinite;
}
@keyframes cBlink {
  0%,100% { opacity: .7; }
  50%      { opacity: .1; }
}

/* Hint Card */
.hint-card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--glass-b);
  border-radius: 20px;
  padding: clamp(20px,4vw,32px) clamp(24px,6vw,52px);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  max-width: 580px;
  text-align: center;
}
.hint-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--mc-green), var(--gold), var(--mc-green), transparent);
  background-size: 200%;
  animation: shimBar 4s ease-in-out infinite;
}
@keyframes shimBar {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}
.hint-icon {
  font-size: 38px;
  margin-bottom: 14px;
  display: block;
  animation: fBob 3s ease-in-out infinite;
}
.hint-card p {
  font-size: clamp(13px, 1.8vw, 16px);
  color: var(--dim);
  line-height: 1.8;
}
.hint-card .hl { color: var(--gold); font-weight: 700; }

/* ==========================================
   UNLOCK PHASE
   ========================================== */
.unlock-phase {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.unlock-title {
  font-family: var(--fp);
  font-size: clamp(20px, 4.5vw, 46px);
  line-height: 1.55;
  background: linear-gradient(160deg, var(--gold) 0%, var(--gold-dk) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 22px rgba(255,215,0,.45));
}

/* Password card */
.pw-card {
  position: relative;
  background: rgba(8,16,8,.88);
  border-radius: 22px;
  padding: clamp(28px,5vw,56px) clamp(24px,6vw,60px);
  max-width: 520px;
  width: 100%;
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  text-align: center;
  box-shadow: 0 30px 60px rgba(0,0,0,.6), var(--glow-g);
  overflow: hidden;
  isolation: isolate;
}
/* animated gradient border */
.pw-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 24px;
  background: linear-gradient(120deg, var(--mc-green), var(--gold), var(--cyan), var(--mc-green));
  background-size: 300%;
  z-index: -1;
  animation: bRot 5s ease infinite;
}
.pw-card::after {
  content: '';
  position: absolute;
  inset: 1px;
  background: rgba(8,16,8,.96);
  border-radius: 22px;
  z-index: -1;
}
@keyframes bRot {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.pw-card h2 {
  font-family: var(--fp);
  font-size: clamp(12px,2.5vw,18px);
  color: var(--gold);
  text-shadow: var(--glow-gold);
  margin-bottom: 10px;
}
.pw-card > p {
  font-size: clamp(13px,1.8vw,15px);
  color: var(--dim);
  margin-bottom: 28px;
  line-height: 1.5;
}

/* Input */
.input-wrap { position: relative; margin-bottom: 16px; }
.input-icon {
  position: absolute;
  left: 16px; top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  pointer-events: none;
}
.pw-input {
  width: 100%;
  padding: 16px 50px 16px 52px;
  background: rgba(0,0,0,.45);
  border: 2px solid rgba(90,170,46,.35);
  border-radius: 12px;
  color: var(--mc-green-b);
  font-family: var(--fp);
  font-size: clamp(9px, 1.8vw, 13px);
  letter-spacing: 4px;
  outline: none;
  transition: border-color .3s, box-shadow .3s;
}
.pw-input::placeholder { color: rgba(90,170,46,.3); letter-spacing: 2px; }
.pw-input:focus {
  border-color: var(--mc-green);
  box-shadow: 0 0 26px rgba(90,170,46,.25), inset 0 0 16px rgba(90,170,46,.05);
}
.pw-input.err {
  border-color: var(--red);
  animation: shake .5s ease;
  box-shadow: 0 0 26px rgba(255,61,90,.25);
}
@keyframes shake {
  0%,100% { transform: translateX(0); }
  15%,45%,75% { transform: translateX(-7px); }
  30%,60%,90% { transform: translateX(7px); }
}

.pw-toggle {
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  cursor: pointer;
  font-size: 18px;
  opacity: .45;
  transition: opacity .2s;
  padding: 0; line-height: 1;
  color: var(--white);
}
.pw-toggle:hover { opacity: 1; }

/* Unlock button */
.unlock-btn {
  width: 100%;
  padding: 18px;
  background: linear-gradient(135deg, #3A8020, #57A32A, #3A8020);
  background-size: 200%;
  border: none;
  border-radius: 12px;
  color: var(--white);
  font-family: var(--fp);
  font-size: clamp(10px,2vw,14px);
  letter-spacing: 2px;
  cursor: pointer;
  transition: transform .25s, box-shadow .25s, background-position .4s;
  box-shadow: 0 5px 0 #2a5c18, 0 8px 25px rgba(58,128,32,.4);
  position: relative;
  overflow: hidden;
  margin-top: 4px;
}
.unlock-btn:hover:not(:disabled) {
  background-position: right;
  transform: translateY(-2px);
  box-shadow: 0 7px 0 #2a5c18, 0 12px 35px rgba(58,128,32,.6);
}
.unlock-btn:active:not(:disabled) {
  transform: translateY(3px);
  box-shadow: 0 2px 0 #2a5c18, 0 4px 15px rgba(58,128,32,.4);
}
.unlock-btn:disabled { opacity: .6; cursor: not-allowed; }
.unlock-btn::after {
  content: '';
  position: absolute;
  top: -50%; left: -60%;
  width: 35%; height: 200%;
  background: rgba(255,255,255,.12);
  transform: skewX(-25deg);
  animation: btnShine 3.2s ease-in-out infinite;
}
@keyframes btnShine {
  0%   { left: -60%; }
  100% { left: 130%; }
}

.err-msg {
  color: var(--red);
  font-family: var(--fp);
  font-size: clamp(8px,1.5vw,10px);
  margin-top: 12px;
  min-height: 22px;
  opacity: 0;
  transition: opacity .3s;
  letter-spacing: 1px;
}
.err-msg.show { opacity: 1; }

/* ==========================================
   KEY REVEAL
   ========================================== */
#key-reveal {
  opacity: 0;
  transform: scale(.85) translateY(20px);
  transition: all .7s cubic-bezier(.34,1.56,.64,1);
  max-width: 620px;
  width: 100%;
}
#key-reveal.show {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.key-card {
  position: relative;
  background: linear-gradient(135deg, rgba(10,24,10,.96), rgba(6,16,6,.96));
  border: 2px solid var(--mc-green);
  border-radius: 20px;
  padding: clamp(28px,5vw,48px) clamp(24px,5vw,44px);
  text-align: center;
  box-shadow: 0 0 60px rgba(90,170,46,.25), 0 0 120px rgba(90,170,46,.10), 0 30px 60px rgba(0,0,0,.5);
  overflow: hidden;
}
/* grid texture */
.key-card::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(90,170,46,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90,170,46,.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.key-card h2 {
  font-family: var(--fp);
  font-size: clamp(12px,2.5vw,20px);
  color: var(--gold);
  text-shadow: var(--glow-gold);
  margin-bottom: 10px;
}
.key-sub {
  font-size: 14px;
  color: var(--dim);
  margin-bottom: 28px;
}
.key-display {
  position: relative;
  background: rgba(0,0,0,.6);
  border: 1px solid var(--mc-green);
  border-radius: 12px;
  padding: 22px 28px;
  margin-bottom: 20px;
  box-shadow: inset 0 0 30px rgba(90,170,46,.08), 0 0 24px rgba(90,170,46,.25);
}
.key-val {
  font-family: var(--fp);
  font-size: clamp(11px,2.2vw,18px);
  color: var(--mc-green-b);
  text-shadow: 0 0 12px rgba(126,211,33,.9), 0 0 28px rgba(126,211,33,.5);
  letter-spacing: 4px;
  word-break: break-all;
  display: block;
}
.copy-btn {
  padding: 14px 32px;
  background: transparent;
  border: 2px solid var(--mc-green);
  border-radius: 10px;
  color: var(--mc-green-b);
  font-family: var(--fp);
  font-size: clamp(9px,1.5vw,11px);
  letter-spacing: 2px;
  cursor: pointer;
  transition: all .3s;
}
.copy-btn:hover {
  background: rgba(90,170,46,.12);
  box-shadow: var(--glow-g);
  transform: translateY(-2px);
}
.copy-btn.copied {
  border-color: var(--gold);
  color: var(--gold);
  text-shadow: var(--glow-gold);
}
.birthday-note {
  margin-top: 24px;
  font-size: clamp(13px,1.8vw,15px);
  color: var(--dim);
  line-height: 1.85;
  text-align: center;
  max-width: 440px;
  margin-inline: auto;
}
.birthday-note .from { color: var(--mc-green); font-weight: 700; }

/* ==========================================
   DEV PANEL
   ========================================== */
#dev-panel {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 9999;
  background: rgba(0,0,0,.9);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 14px;
  padding: 16px;
  display: none;
  flex-direction: column;
  gap: 8px;
  min-width: 200px;
  box-shadow: 0 10px 40px rgba(0,0,0,.6);
}
#dev-panel.show { display: flex; }
.dev-title {
  font-family: var(--fp);
  font-size: 8px;
  color: #FF6B35;
  letter-spacing: 2px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.dev-btn {
  padding: 9px 14px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  color: rgba(255,255,255,.85);
  font-family: var(--fp);
  font-size: 7px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background .2s, transform .1s;
  text-align: left;
}
.dev-btn:hover { background: rgba(255,255,255,.14); transform: translateX(2px); }

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 600px) {
  .countdown-timer { gap: 6px; }
  .time-colon { display: none; }
  .hint-card { padding: 18px 20px; }
  .pw-card { padding: 24px 20px; }
  #app { padding: 24px 14px; }
}

@media (max-width: 400px) {
  .countdown-timer { flex-wrap: wrap; justify-content: center; gap: 12px; }
}