/* ============================================================
   main.css — Design System & Layout
   Digital Ceremony Launcher
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Rajdhani:wght@400;500;600;700&display=swap');

/* ── CSS Variables ──────────────────────────────────────────── */
:root {
  --theme-color:  #00ffdc;
  --accent-color: #7b2fff;
  --flame-color:  #ff6b35;
  --bg-deep:      #04040f;
  --bg-mid:       #0a0a1e;
  --bg-surface:   #0f0f2a;
  --text-primary: #ffffff;
  --text-dim:     rgba(255,255,255,0.6);
  --glow-sm:      0 0 10px var(--theme-color);
  --glow-md:      0 0 25px var(--theme-color), 0 0 50px rgba(0,255,220,0.3);
  --glow-lg:      0 0 50px var(--theme-color), 0 0 100px rgba(0,255,220,0.5), 0 0 200px rgba(0,255,220,0.2);
  --font-display: 'Orbitron', monospace;
  --font-body:    'Rajdhani', sans-serif;
  --transition:   0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  user-select: none;
  -webkit-user-select: none;
}

/* ── App Container ──────────────────────────────────────────── */
#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* ── Screen Base ────────────────────────────────────────────── */
.app-screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

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

/* ── Touch Surface ──────────────────────────────────────────── */
#touch-surface {
  position: absolute;
  inset: 0;
  z-index: 10;
  touch-action: none;
  cursor: pointer;
}

/* ── Background Stars/Nebula ───────────────────────────────── */
.bg-stars {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(123,47,255,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(0,255,220,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 50%, rgba(255,107,53,0.04) 0%, transparent 70%);
  z-index: 0;
}

.bg-stars::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 25% 45%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 75% 60%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 90% 35%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 85% 90%, rgba(255,255,255,0.6), transparent),
    radial-gradient(2px 2px at 15% 70%, rgba(0,255,220,0.6), transparent),
    radial-gradient(2px 2px at 55% 10%, rgba(123,47,255,0.6), transparent),
    radial-gradient(1px 1px at 30% 30%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 70% 75%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 95% 50%, rgba(255,255,255,0.3), transparent);
  animation: twinkle 4s ease-in-out infinite alternate;
}

/* ── Screen: IDLE ───────────────────────────────────────────── */
#screen-idle {
  z-index: 1;
  background:
    radial-gradient(ellipse at center, var(--bg-surface) 0%, var(--bg-deep) 70%);
  text-align: center;
  gap: 2rem;
  padding: 3rem;
}

.idle-top-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.event-logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  filter: drop-shadow(var(--glow-sm));
  animation: floatLogo 4s ease-in-out infinite;
}

.idle-institution {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  font-weight: 600;
  color: var(--theme-color);
  text-shadow: var(--glow-sm);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.idle-divider {
  width: 80%;
  max-width: 600px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--theme-color) 30%,
    var(--accent-color) 70%,
    transparent);
  box-shadow: 0 0 8px var(--theme-color);
}

.idle-event-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(135deg,
    var(--theme-color) 0%,
    #ffffff 40%,
    var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 0 20px rgba(0,255,220,0.4));
  animation: shimmer 3s linear infinite;
}

.idle-date {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 2vw, 1.3rem);
  color: var(--text-dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.idle-instruction-wrapper {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.idle-hands-icon {
  font-size: 4rem;
  animation: pulseHands 1.8s ease-in-out infinite;
  filter: drop-shadow(0 0 15px rgba(0,255,220,0.5));
}

.idle-instruction {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.08em;
  text-align: center;
}

.idle-instruction em {
  color: var(--theme-color);
  font-style: normal;
  text-shadow: var(--glow-sm);
}

.idle-instruction-sub {
  font-size: clamp(0.75rem, 1.5vw, 1rem);
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* Corner decoration lines */
#screen-idle::before,
#screen-idle::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  border-color: var(--theme-color);
  border-style: solid;
  opacity: 0.4;
}
#screen-idle::before {
  top: 2rem; left: 2rem;
  border-width: 2px 0 0 2px;
}
#screen-idle::after {
  bottom: 2rem; right: 2rem;
  border-width: 0 2px 2px 0;
}

/* ── Screen: Touch Waiting ──────────────────────────────────── */
#screen-touch-wait {
  z-index: 5;
  pointer-events: none;
  background: transparent;
}

#waiting-prompt {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(0,0,0,0.7);
  border: 1px solid var(--theme-color);
  border-radius: 50px;
  padding: 0.75rem 2rem;
  box-shadow: var(--glow-sm);
  opacity: 0;
  transition: opacity 0.3s ease;
  white-space: nowrap;
}

#waiting-prompt.visible {
  opacity: 1;
}

.waiting-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--theme-color);
  animation: waitDot 1s ease-in-out infinite;
}
.waiting-dot:nth-child(2) { animation-delay: 0.2s; }
.waiting-dot:nth-child(3) { animation-delay: 0.4s; }

.waiting-text {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--theme-color);
  letter-spacing: 0.1em;
}

/* ── Screen: Countdown ──────────────────────────────────────── */
#screen-countdown {
  z-index: 20;
  background: radial-gradient(ellipse at center, rgba(10,10,30,0.97) 0%, rgba(4,4,15,1) 100%);
}

#countdown-number {
  font-family: var(--font-display);
  font-size: clamp(20vw, 35vw, 45vw);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(180deg, #ffffff 0%, var(--theme-color) 60%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 40px rgba(0,255,220,0.6));
}

.countdown-label {
  font-family: var(--font-display);
  font-size: clamp(0.8rem, 2vw, 1.2rem);
  letter-spacing: 0.4em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: -1rem;
}

/* ── Screen: Climax ─────────────────────────────────────────── */
#screen-climax {
  z-index: 30;
  background:
    radial-gradient(ellipse at center, rgba(255,107,53,0.08) 0%, var(--bg-deep) 70%);
  text-align: center;
  padding: 3rem;
  gap: 2rem;
}

.climax-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  filter: drop-shadow(0 0 20px var(--theme-color));
  animation: floatLogo 3s ease-in-out infinite;
}

#announcement-text {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 10rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg,
    var(--flame-color) 0%,
    #ffdd00 35%,
    #ffffff 50%,
    var(--theme-color) 70%,
    var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(255,107,53,0.5));
  opacity: 0;
  transform: scale(0.3);
  transition: none;
}

#announcement-text.reveal {
  animation: revealText 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.climax-event-name {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2.5vw, 2rem);
  font-weight: 600;
  color: #ffffff;
  text-shadow: var(--glow-sm);
  letter-spacing: 0.1em;
  opacity: 0;
  animation: fadeInUp 0.8s ease 1s forwards;
}

.climax-divider {
  width: 60%;
  max-width: 500px;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    var(--flame-color),
    var(--theme-color),
    transparent);
  opacity: 0;
  animation: fadeInUp 0.6s ease 1.2s forwards;
}

.climax-meta {
  font-family: var(--font-body);
  font-size: clamp(0.8rem, 1.5vw, 1.1rem);
  color: var(--text-dim);
  letter-spacing: 0.15em;
  opacity: 0;
  animation: fadeInUp 0.6s ease 1.4s forwards;
}

/* ── Screen: Celebration ────────────────────────────────────── */
#screen-celebration {
  z-index: 40;
  background: radial-gradient(ellipse at center,
    rgba(123,47,255,0.15) 0%,
    var(--bg-deep) 70%);
  text-align: center;
  padding: 2rem;
}

#celebration-card {
  background: linear-gradient(135deg,
    rgba(15,15,42,0.95) 0%,
    rgba(20,10,50,0.95) 100%);
  border: 1px solid rgba(0,255,220,0.4);
  border-radius: 24px;
  padding: clamp(2rem, 5vw, 4rem) clamp(2rem, 6vw, 6rem);
  box-shadow:
    0 0 40px rgba(0,255,220,0.15),
    0 0 80px rgba(123,47,255,0.1),
    inset 0 0 40px rgba(0,255,220,0.03);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 900px;
  width: 90%;
  opacity: 0;
  transform: scale(0.5) translateY(50px);
  transition: none;
}

#celebration-card.entered {
  animation: cardEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.celebration-logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  filter: drop-shadow(0 0 25px var(--theme-color));
  animation: floatLogo 3s ease-in-out infinite;
}

.celebration-badge {
  font-family: var(--font-display);
  font-size: clamp(0.7rem, 1.5vw, 0.95rem);
  color: var(--theme-color);
  background: rgba(0,255,220,0.1);
  border: 1px solid rgba(0,255,220,0.3);
  border-radius: 50px;
  padding: 0.4rem 1.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-shadow: var(--glow-sm);
}

#celebration-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 3.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, #ffffff 0%, var(--theme-color) 50%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  text-align: center;
}

#celebration-subtext {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.6rem);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.05em;
  text-align: center;
}

.celebration-meta-row {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.celebration-meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.meta-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.meta-value {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 1.5vw, 1.1rem);
  color: var(--theme-color);
  text-shadow: var(--glow-sm);
  font-weight: 600;
}

.celebration-divider {
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent, rgba(0,255,220,0.5), rgba(123,47,255,0.5), transparent);
}

/* ── Scan Status Overlay ────────────────────────────────────── */

#scan-status-overlay {
  position: absolute;
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 12;
  min-width: 340px;
  max-width: 520px;
  width: 50%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

#scan-status-overlay.active {
  opacity: 1;
}

.scan-status-inner {
  background: rgba(4, 4, 15, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 255, 220, 0.35);
  border-radius: 12px;
  padding: 0.9rem 1.4rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  box-shadow:
    0 0 20px rgba(0, 255, 220, 0.1),
    inset 0 0 20px rgba(0, 255, 220, 0.03);
}

.scan-status-top {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.scan-blink-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--theme-color, #00ffdc);
  box-shadow: 0 0 8px var(--theme-color, #00ffdc);
  flex-shrink: 0;
  animation: blinkDot 0.8s ease-in-out infinite;
}

@keyframes blinkDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.3; transform: scale(0.7); }
}

.scan-status-text {
  font-family: 'Orbitron', monospace;
  font-size: clamp(0.6rem, 1.2vw, 0.78rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--theme-color, #00ffdc);
  text-shadow: 0 0 8px var(--theme-color, #00ffdc);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  animation: textGlitch 0.08s linear infinite;
}

@keyframes textGlitch {
  0%, 94%  { clip-path: none; transform: none; }
  95%      { clip-path: inset(40% 0 50% 0); transform: translate(-1px, 0); }
  97%      { clip-path: inset(10% 0 80% 0); transform: translate(1px,  0); }
  99%      { clip-path: inset(70% 0 10% 0); transform: translate(-1px, 0); }
  100%     { clip-path: none; transform: none; }
}

.scan-progress-track {
  width: 100%;
  height: 4px;
  background: rgba(0, 255, 220, 0.1);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.scan-progress-bar {
  height: 100%;
  width: 0%;
  border-radius: 4px;
  background: linear-gradient(90deg,
    var(--theme-color, #00ffdc) 0%,
    var(--accent-color, #7b2fff) 50%,
    var(--theme-color, #00ffdc) 100%);
  background-size: 200% 100%;
  animation: progressShimmer 1.2s linear infinite;
  box-shadow: 0 0 8px var(--theme-color, #00ffdc);
  transition: width 0.15s linear;
}

@keyframes progressShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.scan-status-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.scan-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
}

.scan-pct {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--theme-color, #00ffdc);
  text-shadow: 0 0 6px var(--theme-color, #00ffdc);
  letter-spacing: 0.05em;
}

/* ── Canvas Layers ──────────────────────────────────────────── */
#canvas-scan,
#canvas-confetti,
#canvas-fireworks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

#canvas-scan      { z-index: 8; mix-blend-mode: screen; }
#canvas-confetti  { z-index: 50; }
#canvas-fireworks { z-index: 45; }

#canvas-scan {
  opacity: 0;
  transition: opacity 0.3s ease;
}
#canvas-scan.active { opacity: 1; }

/* ── Flash & Shake Overlays (body classes) ──────────────────── */
body.screen-flash::before {
  content: '';
  position: fixed;
  inset: 0;
  background: white;
  z-index: 999;
  animation: screenFlash 0.4s ease forwards;
  pointer-events: none;
}

body.screen-shake {
  animation: shake 0.5s ease-in-out;
}

/* ── Reset Button (for panitia) ─────────────────────────────── */
#btn-reset {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.5);
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
}

#btn-reset:hover {
  border-color: var(--theme-color);
  color: var(--theme-color);
  box-shadow: var(--glow-sm);
}

/* ── Simulate Button (desktop testing) ─────────────────────── */
#btn-simulate {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  background: rgba(0,255,220,0.1);
  border: 1px solid rgba(0,255,220,0.4);
  color: var(--theme-color);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
}

#btn-simulate:hover {
  background: rgba(0,255,220,0.2);
  box-shadow: var(--glow-md);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .idle-top-bar { flex-direction: column; }
  .event-logo   { width: 70px; height: 70px; }
  .celebration-meta-row { gap: 1rem; }
}

@media (orientation: landscape) and (max-height: 500px) {
  .event-logo   { width: 60px; height: 60px; }
  #celebration-card { padding: 1.5rem 3rem; gap: 1rem; }
  .celebration-logo { width: 60px; height: 60px; }
}