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

:root {
  --gold:    #c9a84c;
  --gold2:   #f5dc80;
  --dark:    #0a0e1a;
  --parch:   #e8d5a3;
  --red:     #ff6b4a;
  --blue:    #5aadff;
  --green:   #4dd98a;
  --yellow:  #ffd44a;
}

body {
  font-family: 'Crimson Text', Georgia, serif;
  background: var(--dark);
  color: var(--parch);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* BACKGROUND */
.sea-bg {
  position: fixed; inset: 0;
  background-image: url('../assets/lobby_bg.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.sea-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(4, 10, 22, 0.62);
}

/* AUTH OVERLAY */
#auth-overlay {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  background: rgba(4, 10, 22, 0.75);
}

#auth-overlay.hidden { display: none; }

.auth-box {
  background: rgba(10, 20, 44, 0.97);
  border: 2px solid rgba(201,168,76,0.5);
  border-radius: 14px;
  padding: 40px 44px;
  width: 340px;
  box-shadow: 0 0 60px rgba(0,0,0,0.6);
}

.auth-box h2 {
  font-family: 'Cinzel', serif;
  font-size: 24px;
  color: var(--gold2);
  text-align: center;
  margin-bottom: 24px;
  letter-spacing: 5px;
}

.auth-tabs {
  display: flex;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(201,168,76,0.25);
}

.auth-tab {
  flex: 1; padding: 9px;
  text-align: center; cursor: pointer;
  font-family: 'Cinzel', serif;
  font-size: 12px; letter-spacing: 2px;
  color: rgba(232,213,163,0.4);
  transition: color .2s;
}

.auth-tab.active {
  color: var(--gold2);
  border-bottom: 2px solid var(--gold);
}

.auth-input {
  display: block; width: 100%;
  margin-bottom: 14px;
  padding: 12px 16px;
  background: rgba(5,10,20,0.7);
  border: 1px solid rgba(201,168,76,0.35);
  border-radius: 7px;
  color: var(--gold2);
  font-family: 'Cinzel', serif;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}

.auth-input:focus { border-color: var(--gold); }
.auth-input::placeholder { color: rgba(232,213,163,0.3); }

.auth-submit {
  width: 100%;
  padding: 13px;
  background: rgba(201,168,76,0.18);
  border: 1px solid rgba(201,168,76,0.6);
  border-radius: 7px;
  color: var(--gold2);
  font-family: 'Cinzel', serif;
  font-size: 14px;
  letter-spacing: 3px;
  cursor: pointer;
  transition: background .2s;
}

.auth-submit:hover { background: rgba(201,168,76,0.32); }

#auth-error {
  color: #ff6060;
  font-size: 13px;
  text-align: center;
  margin-top: 12px;
  min-height: 18px;
  font-family: 'Crimson Text', serif;
}

/* LOBBY */
.lobby-wrap {
  position: relative; z-index: 1;
  text-align: center;
  width: 100%; max-width: 900px;
  padding: 40px 24px;
}

.title {
  font-family: 'Cinzel', serif;
  font-size: 80px; font-weight: 900;
  letter-spacing: 14px;
  color: var(--gold2);
  text-shadow: 0 0 50px rgba(201,168,76,0.7), 0 3px 0 #3a2800, 0 0 4px #000;
  margin-bottom: 8px;
}

.subtitle {
  font-family: 'Cinzel', serif;
  font-size: 15px; letter-spacing: 5px;
  color: var(--parch);
  opacity: 0.85;
  margin-bottom: 52px;
  text-shadow: 0 1px 4px #000;
}

/* SLOTS */
.slots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}

.slot {
  border: 2px solid rgba(201,168,76,0.25);
  border-radius: 12px;
  padding: 24px 14px 20px;
  background: rgba(6, 14, 32, 0.82);
  backdrop-filter: blur(6px);
  min-height: 200px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
  transition: border-color 0.22s, background 0.22s, transform 0.15s;
  cursor: pointer;
  user-select: none;
}

.slot:hover:not(.taken) {
  border-color: rgba(201,168,76,0.65);
  background: rgba(12, 26, 58, 0.9);
  transform: translateY(-3px);
}

.slot.mine {
  border-color: var(--gold);
  box-shadow: 0 0 28px rgba(201,168,76,0.25);
}

.slot.taken:not(.mine) {
  cursor: default;
}

.slot-avatar {
  width: 110px; height: 110px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(201,168,76,0.35);
  transition: border-color .22s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.slot.mine .slot-avatar       { border-color: var(--gold); box-shadow: 0 0 20px rgba(201,168,76,0.4); }
.slot:hover:not(.taken) .slot-avatar { border-color: rgba(201,168,76,0.75); }

.slot-label {
  font-family: 'Cinzel', serif;
  font-size: 13px; letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 700;
}

.slot.color-0 .slot-label { color: var(--red); }
.slot.color-1 .slot-label { color: var(--blue); }
.slot.color-2 .slot-label { color: var(--green); }
.slot.color-3 .slot-label { color: var(--yellow); }

.slot-name {
  font-family: 'Cinzel', serif;
  font-size: 15px; font-weight: 700;
  color: var(--gold2);
  word-break: break-word;
  text-shadow: 0 1px 4px #000;
}

.slot-name.ai {
  font-family: 'Crimson Text', serif;
  font-style: italic; font-weight: 400;
  color: var(--parch); opacity: 0.55;
  font-size: 14px;
}

.slot-empty {
  font-family: 'Crimson Text', serif;
  font-size: 15px; opacity: 0.5;
  font-style: italic;
  color: var(--parch);
}

.slot-host {
  font-family: 'Cinzel', serif;
  font-size: 10px; letter-spacing: 2px;
  color: var(--gold); opacity: 0.85;
  text-transform: uppercase;
}

.slot-mine-hint {
  font-family: 'Crimson Text', serif;
  font-size: 12px; opacity: 0.5;
  font-style: italic;
  color: var(--parch);
}

/* BUTTONS */
.start-btn {
  font-family: 'Cinzel', serif;
  font-size: 20px; font-weight: 700;
  letter-spacing: 4px; cursor: pointer;
  border: 2px solid var(--gold);
  border-radius: 10px;
  padding: 18px 60px;
  background: linear-gradient(160deg, #9a6600, #5a3a00);
  color: var(--gold2);
  box-shadow: 0 0 30px rgba(201,168,76,0.3);
  margin-bottom: 20px;
  transition: all .2s;
  text-shadow: 0 1px 4px #000;
}

.start-btn:hover {
  background: linear-gradient(160deg, #c08800, #8a5200);
  box-shadow: 0 0 50px rgba(201,168,76,0.5);
}

.sign-out-btn {
  font-family: 'Cinzel', serif;
  font-size: 11px; letter-spacing: 2px;
  cursor: pointer;
  background: none;
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: 5px;
  color: rgba(232,213,163,0.45);
  padding: 6px 16px;
  margin-top: 14px;
  transition: all .2s;
}

.sign-out-btn:hover {
  color: var(--parch);
  border-color: rgba(201,168,76,0.6);
}

.hint {
  font-size: 16px; opacity: 0.7;
  font-style: italic; min-height: 22px;
  margin-bottom: 16px;
  color: var(--parch);
  text-shadow: 0 1px 4px #000;
}

.hidden { display: none !important; }