/* ===========================================
   LOGIN MODAL
   =========================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.login-modal {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  position: relative;
}

.modal-backdrop.open .login-modal {
  transform: scale(1) translateY(0);
}

.login-modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-on-surface-variant);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 1;
}

.login-modal-close:hover {
  background: var(--color-surface-container);
  color: var(--color-on-surface);
}

.login-modal-close svg {
  width: 20px;
  height: 20px;
}

.login-modal-header {
  padding: var(--space-8) var(--space-6) var(--space-4);
  text-align: center;
}

.login-modal-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  color: white;
}

.login-modal-logo svg {
  width: 28px;
  height: 28px;
}

.login-modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-on-surface);
  margin: 0 0 var(--space-2);
}

.login-modal-subtitle {
  font-size: var(--text-sm);
  color: var(--color-on-surface-variant);
  margin: 0;
}

.login-modal-body {
  padding: var(--space-4) var(--space-6) var(--space-6);
}

/* Google Button */
.login-google-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: white;
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-on-surface);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 48px;
}

.login-google-btn:hover {
  background: #f8f9fa;
  border-color: #dadce0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.login-google-btn:active {
  transform: scale(0.98);
}

[data-theme="dark"] .login-google-btn {
  background: #2d2d2d;
  border-color: #5f6368;
  color: #e8eaed;
}

[data-theme="dark"] .login-google-btn:hover {
  background: #3c4043;
}

/* Divider */
.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-5) 0;
  color: var(--color-on-surface-disabled);
  font-size: var(--text-sm);
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-outline);
}

/* Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.login-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-on-surface);
}

.login-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--color-on-surface);
  transition: all 0.2s ease;
  min-height: 48px;
  box-sizing: border-box;
}

.login-input::placeholder {
  color: var(--color-on-surface-disabled);
}

.login-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

[data-theme="dark"] .login-input:focus {
  box-shadow: 0 0 0 3px var(--color-primary-900);
}

.login-submit-btn {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 48px;
}

.login-submit-btn:hover {
  background: var(--color-primary-hover);
}

.login-submit-btn:active {
  transform: scale(0.98);
}

/* Signup link */
.login-signup-link {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-on-surface-variant);
  margin-top: var(--space-5);
}

.login-signup-link a {
  color: var(--color-primary);
  font-weight: var(--font-medium);
  text-decoration: none;
}

.login-signup-link a:hover {
  text-decoration: underline;
}

/* ===========================================
   BUTTON STYLES (for sidebar auth)
   =========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
  min-height: 40px;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(27, 94, 32, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline);
}

.btn-ghost:hover {
  background: var(--color-surface-container);
  border-color: var(--color-on-surface-variant);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  min-height: 36px;
}

.w-full {
  width: 100%;
}

/* Mobile adjustments */
@media (max-width: 479px) {
  .login-modal {
    max-width: 100%;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(100%);
  }

  .modal-backdrop.open .login-modal {
    transform: translateY(0);
  }
}