/* ============================================================
   HW & SW BATTLE · Estilo Tech / Gaming
   ============================================================ */
:root {
  --bg:        #040a14;
  --bg-2:      #081222;
  --cyan:      #00e5ff;
  --cyan-glow: rgba(0, 229, 255, 0.55);
  --magenta:   #ff2e88;
  --purple:    #a855f7;
  --green:     #22ff88;
  --red:       #ff3355;
  --yellow:    #ffcc00;
  --text:      #d9f4ff;
  --muted:     #7d97b0;
  --card-bg:   rgba(8, 18, 34, 0.72);
  --border:    rgba(0, 229, 255, 0.25);
  --border-2:  rgba(0, 229, 255, 0.6);
}

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

html, body {
  height: 100%;
  font-family: 'Rajdhani', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== FONDO ANIMADO ===== */
#circuit-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: block;
}
.grid-overlay {
  position: fixed; inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,229,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.vignette {
  position: fixed; inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.7) 100%);
}

/* ===== CONTENEDOR PRINCIPAL ===== */
#app {
  position: relative;
  z-index: 5;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 18px;
  overflow-y: auto;
}

.screen {
  display: none;
  flex: 1;
  flex-direction: column;
  gap: 16px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  animation: fadeIn 0.35s ease;
}
.screen.active { display: flex; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ===== TOPBAR ===== */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(4, 12, 24, 0.75);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 24px rgba(0,229,255,0.08), inset 0 0 20px rgba(0,229,255,0.03);
}
.brand {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 16px;
  color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan-glow);
}
.who { font-size: 15px; color: var(--muted); }
.who b { color: var(--cyan); }

/* ===== CARDS ===== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  backdrop-filter: blur(12px);
  box-shadow:
    0 0 0 1px rgba(0,229,255,0.04),
    0 8px 40px rgba(0,0,0,0.45),
    inset 0 0 40px rgba(0,229,255,0.03);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent);
  opacity: 0.7;
}
.card.center { text-align: center; }
.login-card { max-width: 520px; margin: 6vh auto; padding: 42px 34px; }

h1.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(26px, 4.2vw, 44px);
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--cyan);
  text-shadow: 0 0 18px var(--cyan-glow), 0 0 40px rgba(0,229,255,0.35);
  margin-bottom: 10px;
}
h1.logo span { color: var(--magenta); text-shadow: 0 0 18px var(--magenta); }
.sub { color: var(--muted); font-size: 16px; margin-bottom: 24px; letter-spacing: 1px; }
h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px;
}
h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 14px;
  letter-spacing: 1.5px;
  color: var(--muted);
  margin: 16px 0 10px;
  text-transform: uppercase;
}

/* ===== INPUTS ===== */
input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  background: rgba(0, 20, 40, 0.7);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 17px;
  letter-spacing: 1px;
  outline: none;
  transition: all 0.2s;
}
input[type="text"]:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.15), 0 0 20px rgba(0,229,255,0.25);
}
input::placeholder { color: #4a6070; }
.login-input { margin-bottom: 16px; }

/* ===== BOTONES ===== */
.btn {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  padding: 12px 22px;
  border-radius: 10px;
  border: 1px solid var(--border-2);
  background: rgba(0, 40, 70, 0.55);
  color: var(--cyan);
  cursor: pointer;
  transition: all 0.18s;
  text-transform: uppercase;
  white-space: nowrap;
}
.btn:hover:not(:disabled) {
  background: rgba(0, 229, 255, 0.18);
  box-shadow: 0 0 22px var(--cyan-glow), inset 0 0 14px rgba(0,229,255,0.12);
  transform: translateY(-1px);
}
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn.primary {
  border-color: var(--cyan);
  background: linear-gradient(135deg, rgba(0,120,180,0.4), rgba(0,229,255,0.15));
  color: #e8fcff;
  text-shadow: 0 0 10px var(--cyan-glow);
}
.btn.ghost {
  background: transparent;
  border-color: rgba(255,46,136,0.5);
  color: var(--magenta);
}
.btn.ghost:hover:not(:disabled) {
  background: rgba(255,46,136,0.12);
  box-shadow: 0 0 20px rgba(255,46,136,0.4);
}
.btn.big {
  padding: 16px 30px;
  font-size: 15px;
  letter-spacing: 3px;
  width: 100%;
}
.btn.small { padding: 6px 12px; font-size: 11px; }

/* ===== LISTAS ===== */
.list { list-style: none; display: flex; flex-direction: column; gap: 8px; max-height: 320px; overflow-y: auto; padding-right: 4px; }
.list::-webkit-scrollbar { width: 6px; }
.list::-webkit-scrollbar-thumb { background: rgba(0,229,255,0.3); border-radius: 3px; }
.list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(0,20,40,0.55);
  border: 1px solid rgba(0,229,255,0.12);
  border-radius: 8px;
  font-size: 15px;
  transition: all 0.15s;
}
.list li:hover { border-color: rgba(0,229,255,0.4); background: rgba(0,40,70,0.55); }
.list li.in-room { opacity: 0.5; }
.list.players li { font-weight: 600; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  font-size: 11px;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 1px;
  border-radius: 6px;
  background: rgba(0,229,255,0.15);
  border: 1px solid rgba(0,229,255,0.35);
  color: var(--cyan);
}
.badge.host { background: rgba(255,46,136,0.15); border-color: rgba(255,46,136,0.5); color: var(--magenta); }

/* ===== LAYOUT ===== */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .grid2 { grid-template-columns: 1fr; } }

.row { display: flex; gap: 10px; align-items: center; }
.row.space { justify-content: space-between; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center-pad { text-align: center; padding: 30px 0; }
.hidden { display: none !important; }

/* ===== MARCADOR ===== */
.scoreboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}
.score-item {
  padding: 12px 16px;
  background: rgba(4,12,24,0.85);
  border: 1px solid rgba(0,229,255,0.18);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}
.score-item.me {
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(0,229,255,0.3), inset 0 0 20px rgba(0,229,255,0.08);
}
.score-name { font-weight: 600; font-size: 14px; color: var(--text); }
.score-val {
  float: right;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan-glow);
}
.score-bar {
  margin-top: 8px;
  height: 5px;
  background: rgba(0,229,255,0.1);
  border-radius: 3px;
  overflow: hidden;
}
.score-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  box-shadow: 0 0 10px var(--cyan-glow);
  transition: width 0.4s ease;
}

/* ===== GAME CARD ===== */
.game-card { min-height: 420px; display: flex; flex-direction: column; }
.turn-banner {
  font-family: 'Orbitron', sans-serif;
  font-size: 17px;
  letter-spacing: 2px;
  color: var(--cyan);
  text-align: center;
  padding: 12px;
  margin-bottom: 14px;
  border-bottom: 1px dashed rgba(0,229,255,0.25);
  text-shadow: 0 0 12px var(--cyan-glow);
}

/* Targets */
.targets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}
.target-btn {
  padding: 12px 14px;
  background: rgba(0,20,40,0.7);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 10px;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.15s;
  text-align: left;
}
.target-btn:hover { border-color: var(--cyan); background: rgba(0,60,100,0.55); }
.target-btn.selected {
  border-color: var(--magenta);
  background: rgba(255,46,136,0.15);
  box-shadow: 0 0 20px rgba(255,46,136,0.4);
}

/* Categorías */
.cats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.cat-btn {
  flex: 1;
  padding: 12px;
  background: rgba(0,20,40,0.6);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 10px;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.cat-btn:hover { border-color: var(--cyan); }
.cat-btn.active {
  border-color: var(--cyan);
  background: rgba(0,229,255,0.15);
  box-shadow: 0 0 18px var(--cyan-glow);
  color: #e8fcff;
}

/* Pregunta */
.q-role { font-size: 16px; text-align: center; margin-bottom: 14px; color: var(--muted); }
.q-role b { color: var(--cyan); }
.q-text {
  font-size: 19px;
  line-height: 1.5;
  padding: 16px;
  background: rgba(0,20,40,0.5);
  border-left: 3px solid var(--cyan);
  border-radius: 8px;
  margin-bottom: 16px;
  color: #e8fcff;
}

/* Timer */
.timer-wrap {
  height: 8px;
  background: rgba(0,229,255,0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 6px;
}
#timer-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  box-shadow: 0 0 12px var(--cyan-glow);
  transition: width 0.05s linear, background 0.3s;
}
#timer-bar.warn { background: linear-gradient(90deg, var(--yellow), #ff8800); box-shadow: 0 0 12px var(--yellow); }
#timer-bar.danger { background: linear-gradient(90deg, var(--red), var(--magenta)); box-shadow: 0 0 14px var(--red); }
.timer-text { text-align: right; font-family: 'Orbitron', sans-serif; font-size: 13px; color: var(--muted); margin-bottom: 10px; }

/* Opciones */
.options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 620px) { .options { grid-template-columns: 1fr; } }
.opt-btn {
  padding: 14px 16px;
  background: rgba(0,20,40,0.7);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 10px;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
}
.opt-btn:hover:not(.disabled):not(:disabled) {
  border-color: var(--cyan);
  background: rgba(0,60,100,0.6);
  box-shadow: 0 0 16px rgba(0,229,255,0.3);
}
.opt-btn.disabled, .opt-btn:disabled { opacity: 0.5; cursor: default; }

/* Resultado */
.result-panel { text-align: center; padding: 22px 0; animation: popIn 0.35s ease; }
@keyframes popIn { from { transform: scale(0.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.result-panel h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 26px;
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: none;
  color: var(--cyan);
}
.result-panel p { font-size: 17px; margin: 6px 0; }
.result-panel .pts {
  font-size: 22px;
  font-family: 'Orbitron', sans-serif;
  color: var(--green);
  text-shadow: 0 0 12px rgba(34,255,136,0.5);
  margin-top: 10px;
}
.result-panel .pts b { color: var(--cyan); }

/* Loader */
.loader {
  width: 42px; height: 42px;
  border: 3px solid rgba(0,229,255,0.15);
  border-top-color: var(--cyan);
  border-radius: 50%;
  margin: 0 auto 14px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== PODIO ===== */
.podium { display: flex; justify-content: center; gap: 16px; margin: 24px 0; flex-wrap: wrap; }
.podium-item {
  background: rgba(0,20,40,0.7);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  min-width: 150px;
  text-align: center;
  animation: popIn 0.6s ease both;
}
.podium-item.pos-1 {
  border-color: var(--yellow);
  box-shadow: 0 0 30px rgba(255,204,0,0.5);
  transform: scale(1.08);
}
.podium-item.pos-2 { border-color: #c0c8d4; box-shadow: 0 0 20px rgba(192,200,212,0.4); }
.podium-item.pos-3 { border-color: #cd7f32; box-shadow: 0 0 20px rgba(205,127,50,0.4); }
.podium-item .medal { font-size: 38px; margin-bottom: 6px; }
.podium-item .p-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 15px;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 6px;
}
.podium-item .p-score {
  font-family: 'Orbitron', sans-serif;
  font-size: 20px;
  color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan-glow);
}

/* ===== TOAST ===== */
#toast {
  position: fixed;
  bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(255,46,136,0.95);
  color: #fff;
  padding: 12px 22px;
  border-radius: 10px;
  font-family: 'Orbitron', sans-serif;
  font-size: 13px;
  letter-spacing: 1px;
  box-shadow: 0 0 30px rgba(255,46,136,0.6);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s;
  z-index: 100;
  max-width: 90vw;
  text-align: center;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Responsive */
@media (max-width: 700px) {
  #app { padding: 10px; }
  .card { padding: 16px; }
  .login-card { padding: 28px 20px; }
  .topbar { padding: 10px 14px; }
  .brand { font-size: 13px; letter-spacing: 1px; }
  .scoreboard { grid-template-columns: repeat(2, 1fr); }
}