/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  transition: transform 0.1s, opacity 0.15s, background 0.15s;
  cursor: pointer;
  width: 100%;
}
.btn:active { transform: scale(0.98); }
.btn--primary { background: var(--primary); color: var(--primary-fg); }
.btn--primary:hover { opacity: 0.9; }
.btn.is-disabled {
  background: var(--surface-deep) !important;
  color: var(--muted-fg) !important;
  border-color: var(--border) !important;
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none !important;
}
.btn--secondary { background: var(--card); color: var(--fg); border: 1px solid var(--border); }
.btn--ghost { background: transparent; color: var(--fg); }
.btn--outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn--signup {
  height: 54px;
  font-size: 15px;
  font-weight: 700;
  border-width: 2px;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(250, 110, 102, 0.05);
}
.btn--signup:hover {
  background: rgba(250, 110, 102, 0.08);
}
.btn--sm { height: 38px; font-size: 13px; padding: 0 14px; }
.btn--icon { width: 40px; height: 40px; padding: 0; border-radius: 50%; }

/* Inputs */
.input-group { display: flex; flex-direction: column; gap: 6px; width: 100%; }
.input-group__label { font-size: 12px; font-weight: 500; color: var(--fg); }
.input-group__field {
  height: 44px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 16px;
  display: flex; align-items: center; gap: 8px;
}
.input-group__field input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: none;
  font-size: 14px;
  color: var(--fg);
}
.input-group__field input::placeholder { color: var(--muted-fg); }
.input-group__field--focus { border-color: var(--primary); }
.input-group__field svg { width: 18px; height: 18px; color: var(--muted-fg); }

/* Checkbox */
.checkbox {
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted-fg);
}
.checkbox__box {
  width: 20px; height: 20px;
  border: 1.5px solid var(--primary);
  border-radius: 4px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.checkbox__box svg { width: 12px; height: 12px; color: var(--primary); opacity: 0; }
.checkbox.is-checked .checkbox__box { background: var(--primary); }
.checkbox.is-checked .checkbox__box svg { color: #fff; opacity: 1; }

/* Cards */
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 14px;
}

/* Chips */
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  height: 28px; padding: 0 12px;
  border-radius: 999px;
  background: var(--card);
  color: var(--fg);
  font-size: 12px;
  border: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
}
.chip.is-active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Bottom tab bar */
.bottom-tabs {
  height: 72px;
  flex-shrink: 0;
  display: flex;
  background: var(--card);
  padding: 10px 12px 18px;
  border-top: 1px solid var(--border);
}
.bottom-tab {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 4px;
  color: var(--muted-fg);
  font-size: 10px;