/* =========================================================
   LOGO FLIP / NAME ENTRY
========================================================= */

.logo-flip-container {
  width: min(400px, 78vw);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  cursor: pointer;
  perspective: 1200px;
}

.logo-flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(.25, .8, .25, 1);
  transform-style: preserve-3d;
}

.logo-flip-container.flipped .logo-flip-inner {
  transform: rotateY(180deg);
}

.logo-front,
.logo-back {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.logo-front {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-back {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  transform: rotateY(180deg);

  background: linear-gradient(
    145deg,
    rgba(255,255,255,0.22),
    rgba(255,255,255,0.07)
  );

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
}

.logo-img {
  width: 75%;
  height: auto;
  border-radius: 24px;
  display: block;
}

.home-panel-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  height: 100%;
}

/* =========================================================
   ENTRY PANEL
========================================================= */

.entry-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 240px;
  border-radius: var(--radius-large);
  overflow: hidden;
}

.entry-panel h4 {
  margin-bottom: 6px;
  font-weight: 600;
}

.entry-panel::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: inherit;
  background: radial-gradient(
    circle,
    rgba(255, 90, 90, 0.25),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.entry-panel.shake::after {
  opacity: 1;
}

/* =========================================================
   INPUT / BUTTON
========================================================= */

.entry-input,
.entry-button {
  width: 100%;
}

.entry-input {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.15);
  background: rgba(255,255,255,0.85);
  color: var(--blue-deep);
  text-align: center;
  outline: none;
  transition: all 0.2s ease;
}

.entry-input::placeholder {
  color: rgba(44, 62, 80, 0.5);
}

.entry-input:focus {
  border-color: var(--green-accent);
  background: rgba(255,255,255,0.95);
}

.entry-input.invalid {
  border: 2px solid #ff6b6b;
}

.entry-button {
  margin-top: 12px;
  padding: 10px;
  border-radius: 10px;
  border: none;
  background: var(--blue-deep);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.entry-button:hover {
  background: var(--blue-mid);
}

.entry-button:active {
  transform: scale(0.98);
}

/* =========================================================
   MOBILE TUNING
========================================================= */

@media (max-width: 768px) {
  .logo-flip-container {
    width: min(320px, 82vw);
  }

  .logo-back {
    padding: 20px;
  }

  .entry-panel {
    max-width: 220px;
  }
}

@media (max-width: 480px) {
  .logo-flip-container {
    width: min(280px, 84vw);
  }

  .entry-panel {
    max-width: 200px;
  }

  .entry-panel h4 {
    font-size: 1.1rem;
  }
}