/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #3a3a3a;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #888888;
  --accent-primary: #4a9eff;
  --accent-secondary: #6c5ce7;
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #e17055;
  --border: #404040;
  --shadow: rgba(0, 0, 0, 0.3);
  --transition: all 0.3s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Modern Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  transition: all 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.4);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

/* Login Page Styles */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 10px 30px var(--shadow);
  border: 1px solid var(--border);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header i {
  font-size: 3rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.login-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.login-header p {
  color: var(--text-secondary);
}

/* Alert Styles */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.alert-error {
  background: rgba(225, 112, 85, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.alert-success {
  background: rgba(0, 184, 148, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

/* Secret Key Display */
.secret-key-display {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.secret-key-display label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.key-container {
  display: flex;
  gap: 8px;
}

.key-container input {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: monospace;
  font-size: 0.9rem;
}

.copy-btn {
  padding: 8px 12px;
  background: var(--accent-primary);
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  transition: var(--transition);
}

.copy-btn:hover {
  background: var(--accent-secondary);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group label i {
  margin-right: 8px;
  color: var(--accent-primary);
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.1);
}

.login-btn {
  width: 100%;
  padding: 12px 16px;
  background: var(--accent-primary);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.login-btn:hover {
  background: var(--accent-secondary);
  transform: translateY(-1px);
}

.login-footer {
  margin-top: 1.5rem;
  text-align: center;
}

.login-footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 1000;
  box-shadow: 0 2px 10px var(--shadow);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 15px;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.sidebar-toggle:hover {
  background: var(--bg-tertiary);
}

.header h1 {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.header h1 i {
  color: var(--accent-primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Button Styles */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--accent-secondary);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-primary);
}

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

.btn-danger:hover {
  background: #d63031;
}

.btn-warning {
  background: var(--warning);
  color: #1a1a1a;
}

.btn-warning:hover {
  background: #f1c40f;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 1rem;
}

/* Dropdown Styles */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 180px;
  box-shadow: 0 5px 20px var(--shadow);
  display: none;
  z-index: 1001;
}

.dropdown.active .dropdown-menu {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.dropdown-item:hover {
  background: var(--bg-tertiary);
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* Sidebar Styles */
.sidebar {
  position: fixed;
  top: 60px;
  left: 0;
  width: 300px;
  height: calc(100vh - 60px);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  transform: translateX(0);
  transition: var(--transition);
  z-index: 999;
  display: flex;
  flex-direction: column;
}

.sidebar.collapsed {
  transform: translateX(-300px);
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.search-container {
  position: relative;
}

.search-container input {
  width: 100%;
  padding: 10px 40px 10px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.search-container input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.search-container i {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
}

.memo-list {
  padding: 10px;
}

.memo-item {
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.memo-item:hover {
  background: var(--bg-tertiary);
}

.memo-item.active {
  background: var(--accent-primary);
  color: white;
}

.memo-item-title {
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.95rem;
  line-height: 1.3;
}

.memo-item-created,
.memo-item-updated {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2px;
  line-height: 1.2;
}

.memo-item.active .memo-item-created,
.memo-item.active .memo-item-updated {
  color: rgba(255, 255, 255, 0.7);
}

/* Main Content Styles */
.main-content {
  margin-left: 300px;
  margin-top: 60px;
  min-height: calc(100vh - 60px);
  padding: 20px;
  transition: var(--transition);
}

.sidebar.collapsed ~ .main-content {
  margin-left: 0;
}

/* Welcome Screen */
.welcome-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: calc(100vh - 100px);
}

.welcome-content {
  text-align: center;
  max-width: 400px;
}

.welcome-icon {
  font-size: 4rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.welcome-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.welcome-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Memo View */
.memo-view {
  max-width: 800px;
  margin: 0 auto;
}

.memo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 20px;
}

.memo-header h2 {
  flex: 1;
  font-size: 2rem;
  line-height: 1.3;
}

.memo-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.memo-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.memo-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  line-height: 1.8;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Memo Edit */
.memo-edit {
  max-width: 800px;
  margin: 0 auto;
}

.edit-header {
  display: flex;
  gap: 20px;
  margin-bottom: 1rem;
  align-items: center;
}

.title-input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
}

.title-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.edit-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.content-textarea {
  width: 100%;
  min-height: calc(100vh - 200px);
  padding: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.8;
  resize: none;
  font-family: inherit;
}

.content-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--accent-primary);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-secondary);
  transform: translateY(-2px);
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: 12px;
  max-width: 400px;
  width: 90%;
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px var(--shadow);
}

.modal-header {
  padding: 20px 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 0 20px 20px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 3000;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 10px;
  min-width: 300px;
  box-shadow: 0 5px 20px var(--shadow);
  transform: translateX(100%);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  border-color: var(--success);
}

.toast.error {
  border-color: var(--danger);
}

.toast.warning {
  border-color: var(--warning);
}

.toast i {
  font-size: 1.2rem;
}

.toast.success i {
  color: var(--success);
}

.toast.error i {
  color: var(--danger);
}

.toast.warning i {
  color: var(--warning);
}

/* Responsive Design */
@media (max-width: 768px) {
  .sidebar {
    width: 280px;
    transform: translateX(-280px);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 15px;
  }

  .header {
    padding: 0 15px;
  }

  .header h1 {
    font-size: 1.3rem;
  }

  .memo-header {
    flex-direction: column;
    align-items: stretch;
  }

  .memo-actions {
    justify-content: flex-end;
  }

  .edit-header {
    flex-direction: column;
  }

  .edit-actions {
    justify-content: flex-end;
  }

  .modal-content {
    margin: 20px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: 1.5rem;
  }

  .header-right .btn span {
    display: none;
  }

  .memo-meta {
    flex-direction: column;
    gap: 5px;
  }

  .content-textarea {
    padding: 1rem;
  }

  .memo-content {
    padding: 1.5rem;
  }
}

/* Settings Page Styles */
.settings-content {
  margin-top: 60px;
  padding: 20px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.settings-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.settings-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.section-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.section-header h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.section-header p {
  color: var(--text-secondary);
  margin: 0;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.setting-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.setting-info h3 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.setting-info p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.current-key {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.current-key code {
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--accent-primary);
  background: none;
  padding: 0;
}

.btn-copy {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: var(--transition);
}

.btn-copy:hover {
  color: var(--accent-primary);
  background: var(--bg-primary);
}

.setting-action {
  flex-shrink: 0;
}

.timezone-form {
  display: flex;
  gap: 10px;
  align-items: center;
}

.timezone-select {
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  min-width: 200px;
}

.timezone-select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Info Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.info-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.info-icon {
  width: 50px;
  height: 50px;
  background: var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.info-content h3 {
  margin: 0 0 0.25rem 0;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.info-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* App Info */
.app-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.info-value {
  color: var(--text-primary);
}

.info-value code {
  background: var(--bg-tertiary);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--accent-primary);
}

/* Shortcuts Grid */
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.shortcut-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.shortcut-item kbd {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 0.8rem;
  color: var(--text-primary);
  box-shadow: 0 1px 3px var(--shadow);
}

.shortcut-item span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Settings Responsive */
@media (max-width: 768px) {
  .settings-content {
    padding: 15px;
  }

  .settings-section {
    padding: 1.5rem;
  }

  .setting-item {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .timezone-form {
    flex-direction: column;
    align-items: stretch;
  }

  .timezone-select {
    min-width: auto;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .shortcuts-grid {
    grid-template-columns: 1fr;
  }

  .shortcut-item {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .info-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}