/**
 * Auth CSS - Styles for authentication components
 */

/* =====================================================
   AUTH MODAL
   ===================================================== */

.auth-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: var(--spacing-4);
  animation: fadeIn 0.2s ease-out;
}

.auth-modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 400px;
  width: 100%;
  padding: var(--spacing-6);
  position: relative;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.3s ease-out;
}

.auth-modal-close {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: var(--spacing-1);
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.auth-modal-close:hover {
  color: var(--color-text);
  background: var(--color-gray-100);
}

.auth-modal-header {
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.auth-modal-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  border-radius: 20px;
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.3);
}

.auth-modal-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--spacing-2);
}

.auth-modal-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.auth-modal-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

/* =====================================================
   GOOGLE BUTTON
   ===================================================== */

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-google:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-sm);
}

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

/* =====================================================
   FORM ELEMENTS FOR AUTH
   ===================================================== */

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

.form-input {
  width: 100%;
  padding: var(--spacing-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

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

.form-select {
  width: 100%;
  padding: var(--spacing-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  background: var(--color-white);
  cursor: pointer;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-error);
  min-height: 1.25rem;
}

.btn-full {
  width: 100%;
}

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

.header-profile-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-1);
  border-radius: var(--radius-md);
  transition: background-color 0.15s ease;
  text-decoration: none;
}

.header-profile-link:hover {
  background: transparent;
}

.header-profile-link:hover .header-profile-avatar {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-profile-menu {
  position: relative;
}

.header-profile-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-1);
  border-radius: var(--radius-md);
  transition: background-color 0.15s ease;
}

.header-profile-btn:hover {
  background: transparent;
}

.header-profile-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.header-profile-chevron {
  color: var(--color-text-secondary);
  transition: color 0.15s ease, transform 0.15s ease;
}

.header-profile-btn:hover .header-profile-chevron {
  color: var(--color-text);
}

.header-profile-dropdown.active ~ .header-profile-btn .header-profile-chevron,
.header-profile-menu:has(.header-profile-dropdown.active) .header-profile-chevron {
  transform: rotate(180deg);
}

.header-profile-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--spacing-2);
  background: var(--color-surface);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.15s ease;
  z-index: 100;
}

.header-profile-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header-profile-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  background: none;
  border: none;
  text-align: left;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.header-profile-dropdown-item:hover {
  background: var(--color-gray-50);
}

.header-profile-dropdown-item:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.header-profile-dropdown-item:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.header-profile-dropdown-logout {
  color: var(--color-danger);
  border-top: 1px solid var(--color-gray-100);
}

.header-profile-dropdown-logout:hover {
  background: var(--color-danger-light, #fff5f5);
}

/* =====================================================
   NOTIFICATION BELL
   ===================================================== */

.header-notification-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.header-notification-btn:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.header-notification-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  background-color: var(--color-error);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* =====================================================
   SETTINGS PAGE LAYOUT
   ===================================================== */

.settings-page {
  min-height: 400px;
}

.settings-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--spacing-6);
  min-height: 400px;
}

@media (max-width: 768px) {
  .settings-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
}

/* Sidebar */
.settings-sidebar {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  height: fit-content;
}

.settings-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.settings-nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  width: 100%;
  padding: var(--spacing-3) var(--spacing-3);
  background: none;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}

.settings-nav-item:hover {
  background: var(--color-gray-100);
  color: var(--color-text);
}

.settings-nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.settings-nav-footer {
  margin-top: auto;
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--color-gray-200);
}

.settings-nav-logout {
  color: var(--color-danger);
}

.settings-nav-logout:hover {
  background: var(--color-danger-light, #fff5f5);
  color: var(--color-danger);
}

/* Content Area */
.settings-content {
  flex: 1;
}

.settings-section-header {
  margin-bottom: var(--spacing-3);
}

@media (max-width: 768px) {
  .settings-section-header {
    margin-bottom: var(--spacing-2);
  }
}

.settings-section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.settings-card {
  background: var(--color-surface);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
}

/* Profile Header in Settings */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.profile-avatar-large {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-size: var(--font-size-xl);
  font-weight: 600;
  flex-shrink: 0;
}

.profile-header-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.profile-username-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.profile-username {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.profile-edit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: none;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.profile-edit-btn:hover {
  background: var(--color-gray-100);
  border-color: var(--color-gray-400);
  color: var(--color-text);
}

.profile-username-edit {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.profile-username-edit .form-input {
  width: 140px;
  padding: var(--spacing-2);
  font-size: var(--font-size-sm);
}

.form-input-sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
}

.profile-username-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  min-height: 1rem;
}

.profile-email {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Settings Items */
.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding: var(--spacing-3) 0;
}

.settings-item:not(:last-child) {
  border-bottom: 1px solid var(--color-gray-100);
}

.settings-item-label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.settings-item-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.settings-item-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.settings-item-control {
  flex-shrink: 0;
}

.settings-item-control .form-select {
  min-width: 140px;
}

/* =====================================================
   SETTINGS SECTION
   ===================================================== */

.settings-section {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-5);
  margin-bottom: var(--spacing-6);
}

.settings-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--spacing-5);
  padding-bottom: var(--spacing-3);
  border-bottom: 1px solid var(--color-gray-200);
}

.setting-item {
  margin-bottom: var(--spacing-5);
}

.setting-item:last-child {
  margin-bottom: 0;
}

.setting-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--spacing-2);
}

.setting-input-group {
  display: flex;
  gap: var(--spacing-2);
}

.setting-input-group .form-input {
  flex: 1;
}

.setting-hint {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-1);
}

.setting-error {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  margin-top: var(--spacing-1);
  min-height: 1.25rem;
}

/* =====================================================
   PROFILE ACTIONS
   ===================================================== */

.profile-actions {
  display: flex;
  justify-content: center;
}

.btn-danger {
  background: var(--color-error);
  color: var(--color-white);
  border: none;
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-danger:hover {
  background: #dc2626;
}

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

.btn-danger-outline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  background: transparent;
  color: var(--color-error);
  border: 1px solid var(--color-error);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-danger-outline:hover {
  background: var(--color-error);
  color: var(--color-white);
}

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

.settings-card-danger {
  margin-top: var(--spacing-4);
  border-color: var(--color-danger-light, #fed7d7);
}

/* =====================================================
   LANGUAGE DROPDOWN
   ===================================================== */

.lang-dropdown-wrapper {
  position: relative;
}

.lang-dropdown-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--color-surface);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.15s ease;
  min-width: 150px;
}

.lang-dropdown-btn:hover {
  border-color: var(--color-gray-400);
}

.lang-dropdown-btn.active {
  border-color: var(--color-primary);
}

.lang-dropdown-flag {
  font-size: 1.1em;
}

.lang-dropdown-name {
  flex: 1;
  text-align: left;
}

.lang-dropdown-chevron {
  color: var(--color-text-secondary);
  transition: transform 0.15s ease;
}

.lang-dropdown-btn.active .lang-dropdown-chevron {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--spacing-1);
  background: var(--color-surface);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 150px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.15s ease;
  z-index: 100;
}

.lang-dropdown-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  width: 100%;
  padding: var(--spacing-3);
  background: none;
  border: none;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.15s ease;
  text-align: left;
}

.lang-dropdown-option:hover {
  background: var(--color-gray-50);
}

.lang-dropdown-option.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.lang-dropdown-option:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.lang-dropdown-option:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.lang-dropdown-option-flag {
  font-size: 1.1em;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =====================================================
   LOGIN PAGE
   ===================================================== */

.login-page {
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  min-height: 100vh;
}

.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-6);
}

.login-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 400px;
  width: 100%;
  animation: fadeIn 0.5s ease-out;
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  background: var(--color-primary);
  border-radius: 24px;
  color: var(--color-white);
  margin-bottom: var(--spacing-6);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.3);
}

.login-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--spacing-2);
}

.login-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-8);
}

.btn-google-large {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  width: 100%;
  padding: var(--spacing-4) var(--spacing-6);
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.btn-google-large:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-google-large:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-google-large:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* =====================================================
   LOGIN DIVIDER
   ===================================================== */

.login-divider {
  display: flex;
  align-items: center;
  width: 100%;
  margin: var(--spacing-6) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-gray-300);
}

.login-divider span {
  padding: 0 var(--spacing-4);
}

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

.otp-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  width: 100%;
}

.otp-input {
  text-align: center;
  font-size: var(--font-size-base);
}

.otp-code-input {
  text-align: center;
  font-size: var(--font-size-2xl);
  font-weight: 600;
  letter-spacing: 0.5em;
  padding: var(--spacing-4);
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
}

.btn-otp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  width: 100%;
  padding: var(--spacing-4) var(--spacing-6);
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-white);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.btn-otp:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-otp:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-otp:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.otp-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.otp-sent-to {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-2);
  text-align: center;
}

.otp-error {
  font-size: var(--font-size-sm);
  color: var(--color-error, #ef4444);
  margin: 0;
  min-height: 1.25em;
  text-align: center;
}

.otp-verify-form {
  animation: fadeIn 0.3s ease-out;
}

.btn-text {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  padding: var(--spacing-2);
  transition: color 0.15s ease;
}

.btn-text:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.login-footer {
  position: absolute;
  bottom: var(--spacing-6);
  left: 50%;
  transform: translateX(-50%);
}

.login-footer-version {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Hide login content when modal is shown */
.login-page .auth-modal-overlay {
  background: var(--color-gray-100);
}

.login-page .auth-modal-overlay ~ .login-content,
.login-page .login-content:has(~ .auth-modal-overlay) {
  display: none;
}

/* Fallback: when modal is present, use JS to hide content */
.login-page.modal-open .login-content {
  display: none;
}

.login-page.modal-open .login-footer {
  display: none;
}