/* =============================================
   Etqan Design System — Components
   ============================================= */

/* ─── Buttons ─── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  letter-spacing: 0.01em;
  border: 1.5px solid transparent;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    opacity var(--transition-base);
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--color-brand-gold);
  color: var(--color-brand-dark);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-brand-gold-light);
  box-shadow: var(--shadow-gold-lg);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-brand-gold);
}

.btn--outline:hover:not(:disabled) {
  background: var(--color-white-05);
  border-color: var(--color-brand-gold-light);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white-70);
  border-color: transparent;
  padding: var(--space-2) var(--space-4);
  font-weight: var(--font-medium);
}

.btn--ghost:hover:not(:disabled) {
  color: var(--color-white);
}

.btn__spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(8, 44, 43, 0.2);
  border-top-color: var(--color-brand-dark);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Form Fields ─── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-white-90);
}

.form-input-wrap {
  position: relative;
}

.form-input {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  padding-inline-start: var(--space-12);
  background: var(--color-white-05);
  border: 1.5px solid var(--color-white-10);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-family: inherit;
  font-size: var(--text-base);
  transition:
    border-color var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base);
}

.form-input::placeholder {
  color: var(--color-white-50);
}

.form-input:hover {
  border-color: var(--color-white-20);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-brand-gold);
  background: rgba(197, 160, 89, 0.04);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.12);
}

.form-input.is-error {
  border-color: #e57373;
}

.form-input__icon {
  position: absolute;
  top: 50%;
  inset-inline-start: var(--space-4);
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--color-white-50);
  pointer-events: none;
}

.form-input-wrap:focus-within .form-input__icon {
  color: var(--color-brand-gold);
}

.form-input__toggle {
  position: absolute;
  top: 50%;
  inset-inline-end: var(--space-3);
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-white-50);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.form-input__toggle:hover {
  color: var(--color-brand-gold);
}

/* Password toggle — single icon, swap states */
.form-input__toggle-icon .icon-eye-closed {
  display: none;
}

.form-input__toggle.is-visible .icon-eye-open {
  display: none;
}

.form-input__toggle.is-visible .icon-eye-closed {
  display: block;
}

.form-error {
  font-size: var(--text-xs);
  color: #ef9a9a;
  min-height: 1rem;
}

/* ─── Checkbox ─── */

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
}

.form-check__input {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-white-20);
  border-radius: var(--radius-sm);
  background: var(--color-white-05);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
  flex-shrink: 0;
}

.form-check__input:checked {
  background: var(--color-brand-gold);
  border-color: var(--color-brand-gold);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23082c2b'%3E%3Cpath d='M12.2 4.2 6.5 9.9 3.8 7.2l-1.1 1.1L6.5 12.1l6.8-6.8-1.1-1.1Z'/%3E%3C/svg%3E");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
}

.form-check__label {
  font-size: var(--text-sm);
  color: var(--color-white-70);
}

/* ─── Alert ─── */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  animation: fadeUp 0.4s ease both;
}

.alert--error {
  background: rgba(229, 115, 115, 0.12);
  border: 1px solid rgba(229, 115, 115, 0.3);
  color: #ffcdd2;
}

.alert--success {
  background: rgba(129, 199, 132, 0.12);
  border: 1px solid rgba(129, 199, 132, 0.3);
  color: #c8e6c9;
}

.alert[hidden] {
  display: none;
}

.alert__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 1px;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}