/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-xs);
  padding: 14px 32px;
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: inherit;
  filter: blur(12px);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--duration-base) var(--ease-out);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
}

.btn--primary:hover::before {
  opacity: 0.6;
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255,255,255,0.3);
}

.btn--secondary:hover {
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--dark {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn--dark:hover {
  background-color: var(--color-gray-900);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 10px 24px;
  font-size: var(--fs-sm);
}

.btn--lg {
  padding: 18px 40px;
  font-size: var(--fs-lg);
}

.btn--full {
  width: 100%;
}

/* ========== CARDS ========== */
.card {
  background: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-xl);
  padding: var(--gap-xl);
  box-shadow: var(--shadow-card);
  transition: all var(--duration-base) var(--ease-out);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

@supports (backdrop-filter: blur(1px)) {
  .card {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

/* ========== RIPPLE EFFECT ========== */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: ripple-expand 0.6s ease-out forwards;
  pointer-events: none;
}

@keyframes ripple-expand {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ========== BADGES ========== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge--dark {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

/* ========== TOGGLE SWITCH ========== */
.toggle {
  display: inline-flex;
  align-items: center;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  padding: 4px;
  position: relative;
}

.toggle__option {
  padding: 10px 24px;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-gray-700);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
  cursor: pointer;
  position: relative;
  z-index: 2;
  user-select: none;
}

.toggle__option--active {
  color: var(--color-white);
}

.toggle__slider {
  position: absolute;
  top: 4px;
  height: calc(100% - 8px);
  background: var(--color-black);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
  z-index: 1;
}

/* ========== FORM INPUTS ========== */
.form-group {
  margin-bottom: var(--gap-lg);
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-black);
  margin-bottom: var(--gap-xs);
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  font-size: var(--fs-base);
  color: var(--color-black);
  background: var(--color-gray-100);
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-in-out);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input--error {
  border-color: var(--color-error);
}

.form-error {
  font-size: var(--fs-xs);
  color: var(--color-error);
  margin-top: 4px;
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

/* ========== CHECKBOX / RADIO ========== */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--gap-sm);
  cursor: pointer;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-in-out);
}

.form-check:hover {
  background: var(--color-gray-100);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.form-check__label {
  font-size: var(--fs-base);
  color: var(--color-black);
}

.form-check__desc {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  margin-top: 2px;
}

/* ========== DIVIDER ========== */
.divider {
  height: 1px;
  background: var(--color-gray-200);
  border: none;
}