/* =====================================================
   Wiser Password Manager — Dark Theme
   ===================================================== */

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #161822;
  --bg-tertiary: #1c1f2e;
  --bg-elevated: #222639;
  --bg-hover: #272b40;

  --border-primary: #2a2e42;
  --border-secondary: #353a52;
  --border-focus: #2563eb;

  --text-primary: #e8eaf0;
  --text-secondary: #9ca3b8;
  --text-tertiary: #6b7189;
  --text-inverse: #0f1117;

  --accent: #2563eb;
  --accent-hover: #3b82f6;
  --accent-dim: rgba(37, 99, 235, 0.15);

  --danger: #ef4444;
  --danger-hover: #f87171;
  --danger-dim: rgba(239, 68, 68, 0.15);

  --success: #22c55e;
  --warning: #f59e0b;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;

  --transition-fast: 120ms ease;
  --transition-med: 200ms ease;
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =====================================================
   Screens
   ===================================================== */
.screen {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =====================================================
   Login Screen
   ===================================================== */
#login-screen {
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
    var(--bg-primary);
}

.login-container {
  width: 100%;
  max-width: 440px;
  padding: 0 24px;
}

.logo {
  text-align: center;
  margin-bottom: 40px;
}

.logo svg {
  margin-bottom: 16px;
}

.logo h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
}

.login-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}

.login-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.login-form textarea {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  padding: 14px 16px;
  resize: none;
  transition: border-color var(--transition-fast);
}

.login-form textarea::placeholder {
  color: var(--text-tertiary);
}

.login-form textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.word-count {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 8px;
  text-align: right;
  font-family: var(--font-mono);
}

.word-count.valid {
  color: var(--success);
}

.error-text {
  color: var(--danger);
  font-size: 13px;
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--danger-dim);
  border-radius: var(--radius-sm);
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  color: var(--text-tertiary);
  font-size: 12px;
  line-height: 1.8;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  width: 100%;
  height: 44px;
  margin-top: 20px;
  background: var(--accent);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

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

.btn-secondary {
  height: 36px;
  padding: 0 16px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--border-secondary);
}

.btn-danger {
  height: 36px;
  padding: 0 16px;
  background: var(--danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: var(--danger-hover);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.btn-icon:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-danger-icon:hover:not(:disabled) {
  background: var(--danger-dim);
  color: var(--danger);
}

.btn-small {
  width: 28px;
  height: 28px;
  font-size: 18px;
}

.btn-action {
  height: 30px;
  padding: 0 10px;
  font-size: 12px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
}

.btn-action:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-secondary);
}

.btn-action.btn-delete:hover:not(:disabled) {
  background: var(--danger-dim);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

/* =====================================================
   App Header
   ===================================================== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-badge {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-primary);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* =====================================================
   Main Content
   ===================================================== */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

/* =====================================================
   Toolbar
   ===================================================== */
.toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.search-container {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

#search-input {
  width: 100%;
  height: 38px;
  padding: 0 12px 0 38px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color var(--transition-fast);
}

#search-input::placeholder {
  color: var(--text-tertiary);
}

#search-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.entry-count {
  font-size: 13px;
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* =====================================================
   Loading
   ===================================================== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-secondary);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* =====================================================
   Error Banner
   ===================================================== */
.error-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--danger-dim);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 16px;
  color: var(--danger-hover);
  font-size: 13px;
}

/* =====================================================
   Empty State
   ===================================================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
  color: var(--text-tertiary);
}

.empty-state p {
  margin-top: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
}

.empty-hint {
  font-size: 13px !important;
  font-weight: 400 !important;
  color: var(--text-tertiary) !important;
  margin-top: 6px !important;
}

/* =====================================================
   Passwords Table
   ===================================================== */
.passwords-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}

.passwords-table thead {
  position: sticky;
  top: -20px;
  z-index: 10;
}

.passwords-table th {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-primary);
  white-space: nowrap;
}

.passwords-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-primary);
  vertical-align: middle;
}

.passwords-table tbody tr {
  transition: background var(--transition-fast);
}

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

.passwords-table tbody tr.deleted-row {
  opacity: 0.5;
}

.col-id {
  width: 28%;
}

.col-version {
  width: 8%;
}

.col-mtime {
  width: 20%;
}

.col-key {
  width: 16%;
}

.col-status {
  width: 10%;
}

.col-actions {
  width: 18%;
  text-align: right !important;
}

.cell-id {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  word-break: break-all;
}

.cell-version {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
}

.cell-mtime {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.cell-key {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.status-active {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.status-deleted {
  background: var(--danger-dim);
  color: var(--danger);
}

.actions-cell {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

/* =====================================================
   Footer
   ===================================================== */
.app-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 36px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-primary);
  font-size: 12px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.footer-sep {
  color: var(--border-secondary);
}

.lock-timer {
  font-family: var(--font-mono);
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sync-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.sync-status.synced::before {
  background: var(--success);
}

.sync-status.error::before {
  background: var(--danger);
}

/* =====================================================
   Modal
   ===================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 420px;
  width: calc(100% - 48px);
  box-shadow: var(--shadow-lg);
}

.modal h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
}

.modal p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.modal-id code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  word-break: break-all;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* =====================================================
   Toast
   ===================================================== */
.toast-container {
  position: fixed;
  bottom: 52px;
  right: 20px;
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  z-index: 200;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  color: var(--text-primary);
  animation: toastIn 200ms ease;
  max-width: 360px;
}

.toast.toast-success {
  border-color: rgba(34, 197, 94, 0.3);
}

.toast.toast-error {
  border-color: rgba(239, 68, 68, 0.3);
}

.toast-icon {
  flex-shrink: 0;
  font-size: 16px;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toastOut {
  to {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* =====================================================
   Scrollbar
   ===================================================== */
.main-content::-webkit-scrollbar {
  width: 8px;
}

.main-content::-webkit-scrollbar-track {
  background: transparent;
}

.main-content::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: 4px;
}

.main-content::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 768px) {
  .login-container {
    padding: 0 16px;
  }

  .login-form {
    padding: 20px;
  }

  .app-header {
    padding: 0 12px;
  }

  .main-content {
    padding: 12px;
  }

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

  .search-container {
    max-width: none;
  }

  .user-badge {
    display: none;
  }

  .passwords-table {
    font-size: 12px;
  }

  .col-version,
  .col-key {
    display: none;
  }

  .passwords-table th,
  .passwords-table td {
    padding: 10px 8px;
  }
}

@media (max-width: 480px) {
  .logo h1 {
    font-size: 22px;
  }

  .col-status {
    display: none;
  }
}