/* ============================================================
   intro.css
   Layar loading splash (boot screen), modal petunjuk
   penggunaan, dan tombol toggle sound.
   ============================================================ */

/* ══════════════════════════════════════════════════════════
   LOADING SPLASH SCREEN
   Muncul pertama kali sebelum layar menu utama.
   ══════════════════════════════════════════════════════════ */
#loading-splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  transition: opacity .6s ease, visibility .6s ease;
}

#loading-splash.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Logo animasi boot */
.boot-logo {
  text-align: center;
  animation: bootAppear .8s ease both;
}

@keyframes bootAppear {
  from { opacity: 0; transform: scale(.85) translateY(20px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}

.boot-icon {
  font-size: 5rem;
  display: block;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 30px rgba(0,212,255,.8));
  animation: bootIconPulse 1.5s ease-in-out infinite;
}

@keyframes bootIconPulse {
  0%,100% { filter: drop-shadow(0 0 20px rgba(0,212,255,.6)); }
  50%     { filter: drop-shadow(0 0 50px rgba(0,212,255,1)); }
}

.boot-title {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--accent), #a78bfa, var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: .05em;
}

.boot-subtitle {
  font-family: 'Orbitron', monospace;
  font-size: .75rem;
  color: var(--muted);
  letter-spacing: .25em;
  text-transform: uppercase;
  margin-top: 6px;
}

/* Progress bar loading */
.boot-bar-wrap {
  width: 280px;
  height: 4px;
  background: var(--bg2);
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.boot-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent3), var(--accent));
  border-radius: 2px;
  transition: width .12s linear;
}

/* Teks status loading */
.boot-status {
  font-family: 'Orbitron', monospace;
  font-size: .65rem;
  color: var(--muted);
  letter-spacing: .15em;
  min-height: 18px;
  text-transform: uppercase;
  animation: blink .8s ease-in-out infinite;
}

@keyframes blink {
  0%,100% { opacity: 1; }
  50%     { opacity: .4; }
}

/* Kredit bawah */
.boot-credit {
  font-size: .65rem;
  color: var(--border);
  letter-spacing: .1em;
  position: absolute;
  bottom: 20px;
}

/* Scan-line overlay retro */
#loading-splash::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,.08) 2px,
    rgba(0,0,0,.08) 4px
  );
  pointer-events: none;
}


/* ══════════════════════════════════════════════════════════
   MODAL PETUNJUK PENGGUNAAN
   ══════════════════════════════════════════════════════════ */
#modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 8888;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}

#modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  position: relative;
  animation: modalSlideIn .3s ease both;
  box-shadow: 0 20px 60px rgba(0,0,0,.6), 0 0 0 1px rgba(0,212,255,.1);
}

@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(-24px) scale(.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}

/* Header modal */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .1em;
}

.modal-close {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: 1rem;
  width: 34px; height: 34px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s, color .2s;
}

.modal-close:hover {
  border-color: var(--red);
  color: var(--red);
}

/* Section dalam modal */
.guide-section {
  margin-bottom: 22px;
}

.guide-section-title {
  font-family: 'Orbitron', monospace;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.guide-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Item petunjuk */
.guide-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
  padding: 10px 14px;
  background: var(--bg2);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.guide-item .gi-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.guide-item .gi-text strong {
  display: block;
  font-size: .88rem;
  color: var(--text);
  margin-bottom: 2px;
}

.guide-item .gi-text span {
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.5;
}

/* Tabel skor */
.score-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8rem;
}

.score-table th {
  background: var(--bg2);
  color: var(--accent);
  font-family: 'Orbitron', monospace;
  font-size: .65rem;
  letter-spacing: .1em;
  padding: 8px 12px;
  text-align: left;
  border: 1px solid var(--border);
}

.score-table td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  color: var(--text);
}

.score-table tr:nth-child(even) td {
  background: rgba(255,255,255,.02);
}

/* Tombol aksi di bawah modal */
.modal-footer {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.modal-btn-primary {
  background: linear-gradient(135deg, var(--accent3), var(--accent));
  border: none;
  border-radius: 8px;
  padding: 10px 22px;
  color: #fff;
  font-family: 'Orbitron', monospace;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
  transition: opacity .2s, transform .15s;
}

.modal-btn-primary:hover { opacity: .88; transform: translateY(-1px); }

.modal-btn-secondary {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 22px;
  color: var(--muted);
  font-family: 'Orbitron', monospace;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}

.modal-btn-secondary:hover { border-color: var(--accent); color: var(--accent); }


/* ══════════════════════════════════════════════════════════
   TOMBOL FLOATING (SOUND TOGGLE & PETUNJUK)
   ══════════════════════════════════════════════════════════ */
#floating-btns {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1000;
  display: flex;
  gap: 8px;
}

.fab {
  width: 40px; height: 40px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s, color .2s, background .2s;
  backdrop-filter: blur(8px);
}

.fab:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,212,255,.08);
}

.fab.sound-on  { color: var(--accent); border-color: var(--accent); }
.fab.sound-off { color: var(--muted);  border-color: var(--border); }

/* Tombol petunjuk di splash screen */
.guide-btn {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 20px;
  color: var(--muted);
  font-family: 'Orbitron', monospace;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
  transition: border-color .2s, color .2s;
  margin-right: 10px;
}

.guide-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Baris tombol di bawah splash */
.splash-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}