/* ==================================
   CONVERTER VIEW
================================== */

.converter-view {
  display: none;
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.converter-view.active {
  display: flex;
}

.converter-container {
  flex: 1;
  min-height: 0;
  overflow-y: auto;

  padding: 32px;

  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ==================================
   HEADER
================================== */

.converter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;

  padding-bottom: 20px;

  border-bottom: 1px solid var(--border);
}

.converter-header h2 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
}

.converter-header p {
  color: var(--text-secondary);
  font-size: 1.2rem;
}

/* ==================================
   PRESETS
================================== */

.converter-presets {
  display: grid;

  grid-template-columns:
    repeat(auto-fit, minmax(220px, 1fr));

  gap: 18px;
}

.preset-card {
  height: 86px;

  border-radius: 24px;

  border: 1px solid var(--border);

  background: var(--glass);

  color: var(--text-primary);

  font-size: 1.15rem;
  font-weight: 700;

  cursor: pointer;

  transition: .25s ease;
}

.preset-card:hover {
  transform: translateY(-4px);

  border-color: rgba(124,92,255,.45);

  box-shadow:
    0 15px 30px rgba(124,92,255,.18);
}

/* ==================================
   FAVORITES
================================== */

.favorite-conversions {
  background: var(--glass);

  border: 1px solid var(--border);

  border-radius: 28px;

  padding: 24px;
}

.favorite-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-bottom: 20px;
}

.favorite-header h3 {
  font-size: 1.6rem;
  color: var(--text-primary);
}

.favorite-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;

  min-height: 60px;
}

/* ==================================
   FORM
================================== */

.converter-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.converter-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.converter-group label {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 600;
}

/* ==================================
   INPUTS
================================== */

.converter-group select,
.converter-group input {
  width: 100%;

  height: 68px;

  padding: 0 20px;

  border-radius: 22px;

  border: 1px solid var(--border);

  background: var(--glass);

  color: var(--text-primary);

  font-size: 1.05rem;

  outline: none;

  transition: .25s ease;
}

.converter-group select:focus,
.converter-group input:focus {
  border-color: var(--primary);

  box-shadow:
    0 0 0 4px rgba(124,92,255,.15);
}

.converter-group input::placeholder {
  color: var(--text-secondary);
}

/* ==================================
   SWAP
================================== */

.swap-btn {
  width: 76px;
  height: 76px;

  margin: 8px auto;

  border: none;

  border-radius: 50%;

  cursor: pointer;

  color: white;

  font-size: 1.8rem;
  font-weight: 700;

  background:
    linear-gradient(
      135deg,
      var(--primary),
      var(--primary-hover)
    );

  box-shadow: var(--glow-primary);

  transition: .3s ease;
}

.swap-btn:hover {
  transform:
    rotate(180deg)
    scale(1.05);
}

/* ==================================
   RESULT
================================== */

.converter-result {
  padding: 30px;

  border-radius: 32px;

  text-align: center;

  background:
    linear-gradient(
      135deg,
      rgba(124,92,255,.15),
      rgba(124,92,255,.05)
    );

  border:
    1px solid rgba(124,92,255,.25);
}

.converter-result span {
  display: block;

  margin-bottom: 10px;

  color: var(--text-secondary);
}

.converter-result h3 {
  color: var(--primary);

  font-size: clamp(
    2.5rem,
    6vw,
    4rem
  );

  font-weight: 800;

  word-break: break-word;
}

.converter-result-actions {
  margin-top: 24px;

  display: flex;
  flex-wrap: wrap;

  justify-content: center;

  gap: 12px;
}

/* ==================================
   ACTION BUTTONS
================================== */

.converter-action-btn {
  min-width: 120px;

  height: 46px;

  border-radius: 14px;

  border: 1px solid var(--border);

  background: var(--glass);

  color: var(--text-primary);

  cursor: pointer;

  font-weight: 600;

  transition: .25s ease;
}

.converter-action-btn:hover {
  transform: translateY(-2px);

  border-color: var(--primary);
}

/* ==================================
   HISTORY
================================== */

.converter-history {
  background: var(--glass);

  border: 1px solid var(--border);

  border-radius: 28px;

  padding: 24px;
}

.converter-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-bottom: 18px;
}

.converter-history-header h3 {
  font-size: 1.4rem;
}

.converter-history-list {
  display: flex;
  flex-direction: column;

  gap: 12px;
}

.converter-history-item {
  padding: 14px 18px;

  border-radius: 16px;

  border: 1px solid var(--border);

  background:
    rgba(255,255,255,.04);

  cursor: pointer;

  transition: .25s ease;
}

.converter-history-item:hover {
  transform: translateX(4px);

  border-color: var(--primary);
}

/* ==================================
   TABLET
================================== */

@media (max-width: 1024px) {

  .converter-container {
    padding: 24px;
  }

  .converter-header h2 {
    font-size: 2.4rem;
  }

}

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

@media (max-width: 768px) {

  .converter-container {
    padding: 18px;
  }

  .converter-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .converter-header h2 {
    font-size: 2rem;
  }

  .converter-presets {
    grid-template-columns: 1fr;
  }

  .converter-group select,
  .converter-group input {
    height: 60px;
  }

  .swap-btn {
    width: 68px;
    height: 68px;
  }

}

/* ==================================
   SMALL MOBILE
================================== */

@media (max-width: 480px) {

  .converter-result {
    padding: 22px;
  }

  .converter-action-btn {
    width: 100%;
  }

}

/* ==========================
   FAVORITES PANEL
========================== */

.favorites-panel {

  position: fixed;

  top: 0;

  right: -420px;

  width: 380px;

  height: 100vh;

  background: var(--surface);

  border-left: 1px solid var(--border);

  z-index: 1500;

  transition: .35s ease;

  padding: 24px;

  overflow-y: auto;

}

.favorites-panel.open {

  right: 0;

}

.favorites-panel-header {

  display: flex;

  justify-content: space-between;

  align-items: center;

  margin-bottom: 20px;

}

.favorite-item {

  padding: 14px;

  border-radius: 14px;

  border: 1px solid var(--border);

  background: var(--glass);

  cursor: pointer;

  margin-bottom: 10px;

}

.favorite-item:hover {

  border-color: var(--primary);

}