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

body {
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b, #334155);
  padding: 20px;
  color: white;
}

/* TOP RIGHT PROFILE BAR */
.top-bar {
  position: fixed;
  top: 15px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
}

#loginState {
  font-size: 0.95rem;
  font-weight: bold;
  color: #facc15;
  background: rgba(15, 23, 42, 0.85);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.15);
}

#profileIcon {
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: #38bdf8;
  color: #082f49;
  font-size: 1.25rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(0,0,0,0.35);
  transition: transform 0.15s ease, opacity 0.15s ease;
}

#profileIcon:hover {
  transform: scale(1.08);
  opacity: 0.95;
}

.hidden {
  display: none;
}

.auth-popup {
  position: fixed;
  top: 70px;
  right: 20px;
  width: min(92vw, 380px);
  z-index: 1000;
}

.page-wrap {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 55px;
}

.auth-panel {
  width: 100%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  padding: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 35px rgba(0,0,0,0.45);
  position: relative;
  z-index: 2;
}

.auth-panel h2 {
  margin-bottom: 14px;
  text-align: center;
}

.auth-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.auth-fields input {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 12px;
  background: white;
  color: #111827;
  font-size: 0.95rem;
}

.auth-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 12px;
}

.auth-buttons button {
  padding: 12px 18px;
  border: none;
  border-radius: 12px;
  background: #22c55e;
  color: #052e16;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.auth-buttons button:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.auth-status {
  text-align: center;
}

#authStatus {
  margin-bottom: 6px;
}

#premiumStatus {
  font-weight: bold;
}

.premium-on {
  color: #4ade80;
}

.premium-off {
  color: #facc15;
}

.game-container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 25px;
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 35px rgba(0,0,0,0.35);
  position: relative;
  z-index: 2;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 2rem;
}

.top-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
  margin-bottom: 18px;
}

.control-box {
  background: rgba(255,255,255,0.08);
  padding: 14px;
  border-radius: 14px;
}

.control-box label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  font-size: 0.95rem;
}

.control-box select,
.control-box input[type="file"] {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 10px;
  background: white;
  color: #111827;
  font-size: 0.95rem;
}

.premium-box.locked {
  outline: 2px solid rgba(250, 204, 21, 0.45);
}

.premium-box.unlocked {
  outline: 2px solid rgba(74, 222, 128, 0.45);
}

.premium-note {
  margin-top: 8px;
  font-size: 0.9rem;
  color: #facc15;
}

.saved-buttons {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.saved-buttons button,
.button-row button {
  padding: 12px 18px;
  border: none;
  border-radius: 12px;
  background: #38bdf8;
  color: #082f49;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.saved-buttons button:hover,
.button-row button:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 18px;
}

.status-bar {
  text-align: center;
  margin-bottom: 18px;
}

.status-bar p {
  margin: 6px 0;
  font-size: 1rem;
}

#message {
  font-weight: bold;
  color: #facc15;
}

#puzzleBoard {
  width: min(90vw, 600px);
  height: min(90vw, 600px);
  margin: 0 auto;
  background: rgba(255,255,255,0.06);
  border: 4px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  display: grid;
  gap: 2px;
  overflow: hidden;
  box-shadow: inset 0 0 15px rgba(0,0,0,0.35);
}

.tile {
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  background-repeat: no-repeat;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.tile:hover {
  transform: scale(0.98);
  filter: brightness(1.08);
}

.empty {
  background: rgba(255,255,255,0.06);
  cursor: default;
  border: 1px dashed rgba(255,255,255,0.1);
}

#fireworksCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 999;
}

@media (max-width: 700px) {
  body {
    padding: 15px;
  }

  h1 {
    font-size: 1.6rem;
  }

  .top-bar {
    top: 10px;
    right: 10px;
  }

  #loginState {
    font-size: 0.8rem;
    padding: 7px 10px;
  }

  #profileIcon {
    width: 38px;
    height: 38px;
  }

  .auth-popup {
    right: 10px;
    top: 62px;
    width: calc(100vw - 20px);
  }

  .auth-buttons button,
  .button-row button,
  .saved-buttons {
    width: 100%;
  }

  .saved-buttons {
    flex-direction: column;
  }

  .saved-buttons button {
    width: 100%;
  }
}