* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --secondary-color: #8b5cf6;
  --accent-color: #06b6d4;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;

  --bg-primary: #0f0f23;
  --bg-secondary: rgba(15, 15, 35, 0.8);
  --bg-tertiary: rgba(30, 30, 50, 0.6);
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-modal: rgba(0, 0, 0, 0.8);

  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  --border-color: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.2);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
}

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

.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
  z-index: -1;
  animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%,
  100% {
    transform: scale(1) rotate(0deg);
  }
  50% {
    transform: scale(1.1) rotate(1deg);
  }
}

.navbar {
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo i {
  color: var(--primary-color);
  font-size: 1.75rem;
}

.nav-menu {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}

.nav-link.logout {
  color: var(--error-color);
}

.nav-link.logout:hover {
  background: rgba(239, 68, 68, 0.1);
}

.main-content {
  min-height: calc(100vh - 70px);
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.flash-messages {
  margin-bottom: 2rem;
}

.flash-message {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
}

.flash-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.25rem;
  transition: all 0.3s ease;
}

.flash-close:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.875rem;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--border-hover);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-group label i.fa-question-circle {
  color: var(--text-secondary);
  margin-left: 0.5rem;
  cursor: help;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.form-group label i.fa-question-circle:hover {
  color: var(--primary-color);
}

.form-help {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-modal);
  backdrop-filter: blur(10px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  backdrop-filter: blur(20px);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.25rem;
  transition: all 0.3s ease;
}

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

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2rem;
}

.upload-progress {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-card);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.progress-text span:first-child {
  font-weight: 600;
  color: var(--text-primary);
}

.file-info-display {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
}

.file-info-display p {
  margin: 0.25rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.file-info-display span {
  color: var(--text-primary);
  font-weight: 500;
}

.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 70px);
  padding: 2rem;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  width: 100%;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
}

.feature i {
  color: var(--primary-color);
  font-size: 1.25rem;
}

.auth-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(20px);
  width: 100%;
  max-width: 400px;
  min-width: 350px;
}

.auth-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.auth-buttons .btn {
  min-width: 150px;
}

.auth-tabs {
  display: flex;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.auth-tab {
  flex: 1;
  padding: 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
  border-bottom: 2px solid transparent;
}

.auth-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
}

.dashboard {
  max-width: 1200px;
  margin: 0 auto;
}

.dashboard-header {
  text-align: center;
  margin-bottom: 3rem;
}

.dashboard-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dashboard-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.dashboard-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-hover);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.card-icon i {
  font-size: 1.5rem;
  color: white;
}

.card-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.card-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.security-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.security-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
}

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

.quick-actions {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.quick-actions h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.action-btn:hover {
  background: var(--bg-card);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.action-btn {
  position: relative;
}

.action-btn .hotkey {
  position: absolute;
  top: 0.25rem;
  right: 0.5rem;
  font-size: 0.625rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.125rem 0.25rem;
  border-radius: 0.25rem;
  font-weight: 400;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.action-btn:hover .hotkey {
  opacity: 1;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.header-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.search-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 300px;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
}

.header-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

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

.storage-info {
  margin-top: 1rem;
}

.storage-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.storage-fill {
  height: 100%;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.storage-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.warning-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(239, 68, 68, 0.1) 100%);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.warning-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.warning-content i {
  color: var(--warning-color);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.warning-text {
  flex: 1;
}

.warning-text strong {
  display: block;
  color: var(--warning-color);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.warning-text p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.875rem;
}

.btn-warning {
  background: var(--warning-color);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.btn-warning:hover {
  background: #d97706;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:disabled,
.action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:disabled:hover,
.action-btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

.passwords-grid,
.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 1.5rem;
}

.password-card,
.file-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.password-card:hover,
.file-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

.password-header,
.file-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 1rem;
}

.password-title,
.file-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 0;
}

.password-icon {
  flex-shrink: 0;
}

.password-title i,
.file-icon i {
  color: var(--primary-color);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.file-icon {
  flex-shrink: 0;
}

.password-title h3,
.file-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  word-wrap: break-word;
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  line-height: 1.4;
  max-width: 100%;
  margin: 0;
}

.file-size {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.password-actions,
.file-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.action-btn {
  padding: 0.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.action-btn:hover {
  color: var(--text-primary);
  background: var(--bg-card);
  border-color: var(--primary-color);
}

.password-info,
.file-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-item,
.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  flex-shrink: 0;
  min-width: fit-content;
}

.value {
  color: var(--text-primary);
  font-size: 0.875rem;
  word-wrap: break-word;
  word-break: break-word;
  overflow-wrap: break-word;
  text-align: right;
  flex: 1;
  min-width: 0;
  line-height: 1.4;
}

.value.link {
  color: var(--primary-color);
  text-decoration: none;
  word-wrap: break-word;
  word-break: break-all;
  overflow-wrap: break-word;
  display: block;
  max-width: 100%;
}

.value.link:hover {
  text-decoration: underline;
}

.password-password {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.password-display {
  display: flex;
  gap: 0.5rem;
}

.password-display input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.75rem;
  color: var(--text-primary);
  font-family: monospace;
}

.copy-btn {
  padding: 0.75rem;
  background: var(--primary-color);
  border: none;
  border-radius: 0.5rem;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-icon {
  width: 80px;
  height: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}

.empty-icon i {
  font-size: 2rem;
  color: var(--text-secondary);
}

.empty-state h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

.qr-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.info-section ol {
  color: var(--text-secondary);
  padding-left: 1.5rem;
}

.info-section li {
  margin-bottom: 0.5rem;
}

.secret-key {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.75rem;
}

.secret-key code {
  font-family: monospace;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.current-code {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.75rem;
}

.current-code span {
  font-family: monospace;
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
}

.refresh-btn {
  padding: 0.5rem;
  background: var(--primary-color);
  border: none;
  border-radius: 0.25rem;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
}

.sidebar-card h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.sidebar-card p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.sidebar-card ul {
  color: var(--text-secondary);
  padding-left: 1.5rem;
}

.sidebar-card li {
  margin-bottom: 0.5rem;
}

.app-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.app-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: 0.5rem;
  color: var(--text-secondary);
}

.app-item i {
  color: var(--primary-color);
  font-size: 1.125rem;
}

.notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--success-color);
  color: white;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 70px);
  padding: 2rem;
}

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

.auth-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

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

.auth-footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.auth-footer a {
  color: var(--primary-color);
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.generator-page {
  max-width: 1200px;
  margin: 0 auto;
}

.generator-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.generator-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.generator-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.checkbox input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.result-container {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.result-container input,
.result-container textarea {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.75rem;
  color: var(--text-primary);
  font-family: monospace;
  resize: vertical;
}

.generator-link {
  text-align: center;
  margin-top: 2rem;
}

.settings-page {
  max-width: 800px;
  margin: 0 auto;
}

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

.settings-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.settings-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.status-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-info i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.status-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.status-info p {
  color: var(--text-secondary);
}

.danger-zone {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 0.75rem;
}

.danger-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.danger-info i {
  font-size: 1.5rem;
  color: var(--error-color);
}

.danger-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.danger-info p {
  color: var(--text-secondary);
}

.master-password-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
}

.master-password-info i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.master-password-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.master-password-info p {
  color: var(--text-secondary);
}

.settings-tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.tab-btn:hover {
  background: var(--bg-card);
  border-color: var(--primary-color);
  color: var(--text-primary);
}

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.password-strength {
  margin-top: 0.5rem;
}

.strength-bar {
  width: 100%;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.strength-fill {
  height: 100%;
  width: 0%;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.strength-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

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

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-2px);
}

.btn-danger:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
}

/* Мобильная навигация */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  z-index: 1002;
}

.mobile-menu-toggle:hover {
  background: var(--bg-tertiary);
  transform: scale(1.05);
}

.mobile-menu-toggle:active {
  transform: scale(0.95);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100vw;
  height: calc(100vh - 70px);
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  z-index: 1001;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  -webkit-overflow-scrolling: touch; /* Улучшенный скролл на iOS */
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

.mobile-menu.active {
  display: block;
  transform: translateX(0);
}

.mobile-menu .nav-menu {
  flex-direction: column;
  padding: 1.5rem 1rem;
  gap: 0;
  width: 100%;
  margin: 0;
  box-sizing: border-box;
  display: flex;
}

.mobile-menu .nav-link {
  width: 100%;
  padding: 1rem 0.75rem;
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
  justify-content: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  font-size: 1rem;
  font-weight: 500;
  min-height: 44px;
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-primary);
  box-sizing: border-box;
}

.mobile-menu .nav-link:hover {
  background: var(--bg-tertiary);
  transform: translateX(5px);
}

.mobile-menu .nav-link span {
  display: inline;
  margin-left: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  font-size: 0.95rem;
}

.mobile-menu .nav-link i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.5rem;
}

/* Улучшенные медиа-запросы */
@media (min-width: 769px) {
  .mobile-menu-toggle {
    display: none !important;
  }

  .nav-menu {
    display: flex !important;
  }

  .mobile-menu {
    display: none !important;
  }
}

@media (max-width: 1200px) {
  .nav-container {
    padding: 0 1.5rem;
  }

  .main-content {
    padding: 1.5rem;
  }

  .hero-content {
    gap: 3rem;
  }

  .dashboard-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
  }

  /* Убеждаемся, что мобильное меню доступно */
  .mobile-menu {
    display: block;
    transform: translateX(-100%);
  }

  .mobile-menu.active {
    transform: translateX(0);
  }

  .nav-container {
    padding: 0 1rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .main-content {
    padding: 1rem;
  }

  .auth-container {
    max-width: 100%;
    min-width: auto;
    margin: 0 1rem;
    padding: 1.5rem;
  }

  .auth-page {
    padding: 1rem;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .passwords-grid,
  .files-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .generator-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .page-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .danger-zone {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .modal-content {
    margin: 1rem;
    padding: 1.5rem;
    max-height: calc(100vh - 2rem);
  }

  .auth-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

  .auth-buttons .btn {
    min-width: auto;
    width: 100%;
  }

  .actions-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .action-btn {
    padding: 1rem;
  }

  .password-card,
  .file-card {
    padding: 1rem;
  }

  .password-header,
  .file-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .password-actions,
  .file-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .settings-tabs {
    flex-direction: column;
    gap: 0.5rem;
  }

  .tab-btn {
    width: 100%;
    justify-content: center;
  }

  .form-group input,
  .form-group textarea {
    font-size: 16px; /* Предотвращает зум на iOS */
  }

  .search-input {
    max-width: 100% !important;
    margin-bottom: 1rem;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 0.75rem;
  }

  .nav-logo {
    font-size: 1.25rem;
  }

  .nav-logo i {
    font-size: 1.5rem;
  }

  /* Улучшенное мобильное меню для узких экранов */
  .mobile-menu {
    top: 60px;
    height: calc(100vh - 60px);
    width: 100vw;
    left: 0;
    right: 0;
    padding: 0;
    margin: 0;
  }

  .mobile-menu .nav-menu {
    padding: 0.75rem 0.5rem;
    gap: 0.25rem;
    width: 100%;
    margin: 0;
  }

  .mobile-menu .nav-link {
    padding: 0.875rem 0.5rem;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
  }

  .mobile-menu .nav-link i {
    font-size: 1rem;
    width: 20px;
    flex-shrink: 0;
    margin-right: 0.5rem;
  }

  .mobile-menu .nav-link span {
    margin-left: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    font-size: 0.9rem;
  }
}

@media (max-width: 400px) {
  .mobile-menu {
    top: 55px;
    height: calc(100vh - 55px);
    display: block;
    transform: translateX(-100%);
  }

  .mobile-menu.active {
    transform: translateX(0);
  }

  .mobile-menu .nav-menu {
    padding: 0.5rem 0.375rem;
    gap: 0.125rem;
  }

  .mobile-menu .nav-link {
    padding: 0.75rem 0.375rem;
    font-size: 0.9rem;
    margin-bottom: 0.125rem;
    min-height: 42px;
  }

  .mobile-menu .nav-link i {
    font-size: 0.95rem;
    width: 18px;
    margin-right: 0.375rem;
  }

  .mobile-menu .nav-link span {
    font-size: 0.85rem;
    margin-left: 0.125rem;
  }
}

/* Планшетные стили */
@media (min-width: 769px) and (max-width: 1024px) {
  .nav-container {
    padding: 0 1.5rem;
  }

  .main-content {
    padding: 1.5rem;
  }

  .hero-content {
    gap: 3rem;
  }

  .hero-title {
    font-size: 3rem;
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .passwords-grid,
  .files-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

  .generator-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Ландшафтная ориентация на мобильных */
@media (max-width: 768px) and (orientation: landscape) {
  .hero-section {
    min-height: auto;
    padding: 1rem;
  }

  .hero-content {
    gap: 1.5rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .auth-page {
    padding: 0.5rem;
  }

  .mobile-menu {
    height: calc(100vh - 70px);
  }

  .mobile-menu .nav-menu {
    padding: 1rem;
  }

  .mobile-menu .nav-link {
    padding: 1rem;
    margin-bottom: 0.5rem;
  }
}

/* Улучшения для touch-устройств */
@media (hover: none) and (pointer: coarse) {
  .nav-link:hover,
  .btn:hover,
  .action-btn:hover,
  .card:hover {
    transform: none;
  }

  .nav-link:active,
  .btn:active,
  .action-btn:active {
    transform: scale(0.98);
  }

  .password-card:active,
  .file-card:active,
  .dashboard-card:active {
    transform: scale(0.98);
  }

  /* Увеличиваем размеры touch-целей */
  .nav-link {
    min-height: 44px;
  }

  .btn {
    min-height: 44px;
  }

  .action-btn {
    min-height: 44px;
  }

  .form-group input,
  .form-group textarea {
    min-height: 44px;
  }

  .modal-close,
  .flash-close {
    min-width: 44px;
    min-height: 44px;
  }

  /* Улучшения для мобильного меню */
  .mobile-menu .nav-link {
    min-height: 60px;
    padding: 1.5rem 1rem;
  }

  .mobile-menu .nav-link:active {
    transform: scale(0.95);
    background: var(--primary-color);
    color: white;
  }

  .mobile-menu-toggle {
    min-width: 44px;
    min-height: 44px;
  }
}

/* Темная тема для систем, которые её поддерживают */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0f0f23;
    --bg-secondary: rgba(15, 15, 35, 0.8);
    --bg-tertiary: rgba(30, 30, 50, 0.6);
  }
}

/* Улучшения доступности */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .background-animation {
    animation: none;
  }
}

/* Фокус для клавиатурной навигации */
.nav-link:focus,
.btn:focus,
.action-btn:focus,
.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Улучшенные состояния загрузки */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--primary-color);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Улучшенные уведомления */
.notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--success-color);
  color: white;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  animation: slideIn 0.3s ease;
  max-width: 400px;
  word-wrap: break-word;
}

.notification-error {
  background: var(--error-color);
}

.notification-warning {
  background: var(--warning-color);
}

/* Улучшенный поиск */
.search-container {
  position: relative;
  margin-bottom: 1rem;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

/* Улучшенные карточки */
.card-hover-effect {
  transition: all 0.3s ease;
}

.card-hover-effect:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Адаптивные изображения */
.responsive-image {
  max-width: 100%;
  height: auto;
}

/* Улучшенные формы */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Улучшенные кнопки */
.btn-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .btn-group {
    flex-direction: column;
  }

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

/* Стили для очень узких экранов */
@media (max-width: 320px) {
  .nav-container {
    padding: 0 0.5rem;
  }

  .nav-logo {
    font-size: 1.1rem;
  }

  .nav-logo i {
    font-size: 1.25rem;
  }

  .nav-logo span {
    display: none; /* Скрываем текст логотипа на очень узких экранах */
  }

  .mobile-menu {
    top: 50px;
    height: calc(100vh - 50px);
    width: 100vw;
    left: 0;
    right: 0;
    padding: 0;
    margin: 0;
    display: block;
    transform: translateX(-100%);
  }

  .mobile-menu.active {
    transform: translateX(0);
  }

  .mobile-menu .nav-menu {
    padding: 0.5rem 0.25rem;
    gap: 0.125rem;
    width: 100%;
    margin: 0;
  }

  .mobile-menu .nav-link {
    padding: 0.75rem 0.375rem;
    font-size: 0.875rem;
    margin-bottom: 0.125rem;
    min-height: 40px;
    width: 100%;
    box-sizing: border-box;
  }

  .mobile-menu .nav-link i {
    font-size: 0.9rem;
    width: 18px;
    margin-right: 0.375rem;
  }

  .mobile-menu .nav-link span {
    margin-left: 0.125rem;
    font-size: 0.8rem;
  }

  .mobile-menu-toggle {
    padding: 0.375rem;
    font-size: 1.1rem;
    min-width: 40px;
    min-height: 40px;
  }

  .main-content {
    padding: 0.5rem;
  }

  .auth-container {
    margin: 0 0.25rem;
    padding: 0.75rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .dashboard-header h1 {
    font-size: 1.75rem;
  }

  .page-header .header-content h1 {
    font-size: 1.5rem;
  }

  .modal-content {
    margin: 0.25rem;
    padding: 0.75rem;
  }

  .password-card,
  .file-card {
    padding: 0.5rem;
  }

  .card-icon {
    width: 40px;
    height: 40px;
  }

  .card-icon i {
    font-size: 1rem;
  }

  .btn {
    padding: 0.625rem 0.75rem;
    font-size: 0.8rem;
  }

  .form-group input,
  .form-group textarea {
    padding: 0.625rem;
  }

  .flash-message {
    padding: 0.625rem 0.75rem;
    margin-bottom: 0.5rem;
  }

  .notification {
    top: 0.5rem;
    right: 0.5rem;
    left: 0.5rem;
    padding: 0.625rem 0.75rem;
  }
}

/* Улучшенные модальные окна */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-modal);
  backdrop-filter: blur(10px);
  z-index: 1999;
}

.modal-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2000;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
}

/* Улучшенная навигация */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--text-muted);
}

/* Улучшенные таблицы */
.table-container {
  overflow-x: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
}

.table th,
.table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
}

.table tr:hover {
  background: var(--bg-tertiary);
}

@media (max-width: 768px) {
  .table-container {
    font-size: 0.875rem;
  }

  .table th,
  .table td {
    padding: 0.75rem 0.5rem;
  }

  .passwords-grid,
  .files-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .password-card,
  .file-card {
    padding: 1rem;
  }

  .password-header,
  .file-header {
    gap: 0.75rem;
  }

  .info-item,
  .detail-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .value {
    text-align: left;
  }

  .password-actions,
  .file-actions {
    gap: 0.25rem;
  }

  .action-btn {
    padding: 0.375rem;
  }
}