/*
 * elmoDB UI — Solarized Light Theme
 * 4-point grid spacing system
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ============================================
   SOLARIZED PALETTE + DESIGN TOKENS
   ============================================ */
:root {
  /* Solarized base tones */
  --base03: #002b36;
  --base02: #073642;
  --base01: #586e75;
  --base00: #657b83;
  --base0:  #839496;
  --base1:  #93a1a1;
  --base2:  #eee8d5;
  --base3:  #fdf6e3;

  /* Solarized accents */
  --yellow:  #b58900;
  --orange:  #cb4b16;
  --red:     #dc322f;
  --magenta: #d33682;
  --violet:  #6c71c4;
  --blue:    #268bd2;
  --cyan:    #2aa198;
  --green:   #859900;

  /* Semantic mapping */
  --bg-primary:      var(--base3);
  --bg-secondary:    var(--base2);
  --bg-card:         var(--base3);
  --bg-card-hover:   #f5eed8;
  --bg-sidebar:      var(--base2);

  --border-subtle:   rgba(88, 110, 117, 0.18);
  --border-medium:   rgba(88, 110, 117, 0.30);
  --border-focus:    rgba(38, 139, 210, 0.55);

  --text-primary:    var(--base01);
  --text-secondary:  var(--base00);
  --text-tertiary:   var(--base0);
  --text-muted:      var(--base1);

  --accent-primary:  var(--blue);
  --accent-cyan:     var(--cyan);
  --accent-green:    var(--green);

  --status-running:      var(--green);
  --status-stopped:      var(--base1);
  --status-provisioning: var(--blue);
  --status-error:        var(--red);
  --status-deleting:     var(--red);

  /* Spacing (4-point grid) */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Shadows — warm, very subtle */
  --shadow-sm:   0 1px 2px rgba(0,43,54,0.06);
  --shadow-md:   0 2px 8px rgba(0,43,54,0.08);
  --shadow-lg:   0 4px 16px rgba(0,43,54,0.1);
  --shadow-card: 0 1px 3px rgba(0,43,54,0.08), 0 0 0 1px var(--border-subtle);

  /* Borders */
  --radius-sm:   6px;
  --radius-md:   8px;
  --radius-lg:   10px;
  --radius-xl:   12px;
  --radius-2xl:  16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 120ms ease;
  --transition-base: 160ms ease;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html { font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-secondary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

p { color: var(--text-secondary); line-height: 1.65; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.875em;
}

/* ============================================
   LAYOUT
   ============================================ */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-height: 100vh;
}

/* ============================================
   CARD SYSTEM
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card-lg {
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}

.card-body { padding: var(--space-6); }

.card-footer {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--border-subtle);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  background: var(--base2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar-center {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

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

.logo-text {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.logo-elmo { color: var(--text-primary); }

.logo-db { color: var(--blue); }

.nav-link {
  color: var(--text-tertiary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(88, 110, 117, 0.08);
  text-decoration: none;
}

.nav-link.active {
  color: var(--blue);
}

.nav-link.disabled {
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

.user-menu { position: relative; }

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
  border-color: var(--blue);
  color: var(--text-primary);
}

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 150px;
  padding: var(--space-1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
  z-index: 1000;
}

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

.user-menu-dropdown button {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.user-menu-dropdown button:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.5;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.btn-primary:hover:not(:disabled) {
  background: #1a7bbf;
  border-color: #1a7bbf;
}

.btn-primary:active:not(:disabled) {
  background: #1670ad;
  border-color: #1670ad;
}

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

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

.btn-secondary:active:not(:disabled) {
  background: #e5dfca;
}

.btn-danger {
  background: rgba(220, 50, 47, 0.07);
  border: 1px solid rgba(220, 50, 47, 0.25);
  color: var(--red);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(220, 50, 47, 0.13);
  border-color: rgba(220, 50, 47, 0.4);
}

.btn-success {
  background: rgba(133, 153, 0, 0.08);
  border: 1px solid rgba(133, 153, 0, 0.25);
  color: var(--green);
}

.btn-success:hover:not(:disabled) {
  background: rgba(133, 153, 0, 0.14);
  border-color: rgba(133, 153, 0, 0.4);
}

.btn-small {
  padding: var(--space-1) var(--space-3);
  font-size: 0.8125rem;
}

.btn-lg {
  padding: var(--space-3) var(--space-8);
  font-size: 1rem;
}

/* ============================================
   BADGES / STATUS INDICATORS
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-running {
  background: rgba(133, 153, 0, 0.1);
  border: 1px solid rgba(133, 153, 0, 0.25);
  color: #6c7e00;
}
.badge-running .badge-dot {
  background: var(--green);
  animation: pulse 2s ease infinite;
}

.badge-stopped {
  background: rgba(147, 161, 161, 0.12);
  border: 1px solid rgba(147, 161, 161, 0.3);
  color: var(--base0);
}
.badge-stopped .badge-dot { background: var(--base1); }

.badge-provisioning {
  background: rgba(38, 139, 210, 0.08);
  border: 1px solid rgba(38, 139, 210, 0.22);
  color: var(--blue);
}
.badge-provisioning .badge-dot {
  width: 10px;
  height: 10px;
  border: 2px solid rgba(38, 139, 210, 0.3);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.badge-deleting,
.badge-error {
  background: rgba(220, 50, 47, 0.07);
  border: 1px solid rgba(220, 50, 47, 0.22);
  color: var(--red);
}
.badge-deleting .badge-dot,
.badge-error .badge-dot {
  background: var(--red);
}

.badge-primary {
  background: rgba(38, 139, 210, 0.08);
  border: 1px solid rgba(38, 139, 210, 0.2);
  color: var(--blue);
}

.badge-engine {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.75rem;
}

/* ============================================
   FORMS
   ============================================ */
.form-group { margin-bottom: var(--space-5); }

label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(38, 139, 210, 0.12);
}

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

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--bg-secondary);
}

.form-error {
  margin-top: var(--space-2);
  font-size: 0.8125rem;
  color: var(--red);
}

.form-helper {
  margin-top: var(--space-2);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2393a1a1' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 1.25em;
  padding-right: var(--space-10);
}

select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* ============================================
   STATUS MESSAGES
   ============================================ */
.status {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 2.75rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.status.show { opacity: 1; visibility: visible; }

.status.success {
  background: rgba(133, 153, 0, 0.08);
  border: 1px solid rgba(133, 153, 0, 0.22);
  color: #6c7e00;
}

.status.error {
  background: rgba(220, 50, 47, 0.07);
  border: 1px solid rgba(220, 50, 47, 0.22);
  color: var(--red);
}

.status.loading {
  background: rgba(38, 139, 210, 0.07);
  border: 1px solid rgba(38, 139, 210, 0.22);
  color: var(--blue);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.alert-warning {
  background: rgba(181, 137, 0, 0.08);
  border: 1px solid rgba(181, 137, 0, 0.22);
  color: #8a6800;
}

.alert-success {
  background: rgba(133, 153, 0, 0.08);
  border: 1px solid rgba(133, 153, 0, 0.22);
  color: #6c7e00;
}

.alert-error {
  background: rgba(220, 50, 47, 0.07);
  border: 1px solid rgba(220, 50, 47, 0.22);
  color: var(--red);
}

/* ============================================
   MODAL SYSTEM
   ============================================ */
.modal {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 43, 54, 0.35);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  animation: fadeIn var(--transition-base) forwards;
}

.modal.show { display: flex; }

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideIn var(--transition-base) forwards;
}

.modal-content-sm { max-width: 400px; }

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.modal-title svg { width: 20px; height: 20px; flex-shrink: 0; }

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.375rem;
  line-height: 1;
  cursor: pointer;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

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

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

.modal-text {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

.modal-actions {
  margin-top: var(--space-5);
  display: flex;
  gap: var(--space-3);
}

.modal-actions .btn { flex: 1; }

/* ============================================
   CREDENTIALS DISPLAY
   ============================================ */
.credentials-display {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-3) 0;
}

.cred-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-subtle);
  gap: var(--space-4);
}

.cred-item:last-child { border-bottom: none; }

.cred-item strong {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
  flex-shrink: 0;
}

.cred-item span {
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.8125rem;
  color: var(--text-primary);
  text-align: right;
  word-break: break-all;
}

/* ============================================
   CONNECTION BOX
   ============================================ */
.connection-box {
  background: var(--base02);
  border: 1px solid rgba(7, 54, 66, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-3) 0;
  overflow-x: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.connection-box .label {
  display: block;
  font-size: 0.75rem;
  color: var(--base1);
  font-weight: 500;
  margin-bottom: var(--space-2);
  flex-shrink: 0;
}

.connection-box code {
  color: var(--cyan);
  font-size: 0.8125rem;
  white-space: pre-wrap;
  word-break: break-all;
  flex: 1;
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.header-content h1 {
  font-size: 1.5rem;
  margin-bottom: var(--space-1);
}

.header-subtitle {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.header-actions { display: flex; gap: var(--space-3); }

/* ============================================
   DATABASE TABLE
   ============================================ */
.databases-section { margin-top: var(--space-4); }

.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.databases-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.databases-table thead {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.databases-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.databases-table th:nth-child(1),
.databases-table td:nth-child(1) { width: 18%; }
.databases-table th:nth-child(2),
.databases-table td:nth-child(2) { width: 13%; }
.databases-table th:nth-child(3),
.databases-table td:nth-child(3) { width: 15%; }
.databases-table th:nth-child(4),
.databases-table td:nth-child(4) { width: 8%; }
.databases-table th:nth-child(5),
.databases-table td:nth-child(5) { width: 22%; }
.databases-table th:nth-child(6),
.databases-table td:nth-child(6) { width: 24%; }

.databases-table tbody tr {
  height: 52px;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.databases-table tbody tr:last-child { border-bottom: none; }

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

.databases-table td {
  padding: var(--space-3) var(--space-4);
  font-size: 0.875rem;
  color: var(--text-secondary);
  vertical-align: middle;
}

.database-name-cell {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-primary);
  font-weight: 500;
}

.database-icon { display: inline-flex; align-items: center; vertical-align: middle; }
.database-icon svg,
.database-icon img { width: 18px; height: 18px; display: block; }

.connection-cell {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.actions-cell {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
}

.expand-chevron {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}

.expand-chevron:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.expand-chevron.expanded { transform: rotate(180deg); }

/* Expandable Row Details */
.row-details { display: none; background: var(--bg-secondary); }
.row-details.show { display: table-row; }
.row-details td { padding: var(--space-5) var(--space-6); }

.details-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
}

.detail-item { display: flex; flex-direction: column; gap: 3px; }

.detail-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
}

.detail-value {
  font-size: 0.875rem;
  color: var(--text-primary);
}

.password-field { display: flex; align-items: center; gap: var(--space-2); }
.password-hidden,
.password-visible { font-family: monospace; letter-spacing: 0.1em; }

.btn-icon {
  background: transparent;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: var(--space-1);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  border-color: var(--blue);
  background: rgba(38, 139, 210, 0.07);
  color: var(--blue);
}

.btn-icon svg { width: 14px; height: 14px; }

/* ============================================
   CONNECT-WITH TABS
   ============================================ */
.connect-section { display: flex; flex-direction: column; gap: var(--space-2); }

.connect-tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border-subtle);
}

.connect-tab {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: var(--space-1) var(--space-3);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  transition: color var(--transition-fast);
}

.connect-tab:hover { color: var(--text-primary); }

.connect-tab.active {
  color: var(--blue);
  border-color: var(--border-subtle);
  margin-bottom: -1px;
  background: var(--bg-card);
}

.connect-panel .connection-box pre {
  margin: 0;
  white-space: pre;
  font-family: monospace;
  font-size: 0.75rem;
  line-height: 1.6;
}

.connect-install-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: monospace;
  padding: var(--space-1) 0;
}

/* ============================================
   STATS CARDS
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.stat-value {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.stat-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

/* ============================================
   DATABASE CARDS (Mobile)
   ============================================ */
.database-cards {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
}

.database-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: background var(--transition-fast);
}

.database-card:hover { background: var(--bg-card-hover); }

.database-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
}

.database-card-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.database-card-title h3 { font-size: 1rem; margin: 0; }

.database-card-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.database-card-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: var(--space-6);
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.875rem;
}

/* ============================================
   LOADING STATE
   ============================================ */
.loading-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-state {
  text-align: center;
  padding: var(--space-12);
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

/* ============================================
   AUTH PAGES
   ============================================ */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: var(--bg-primary);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
  max-width: 400px;
  width: 100%;
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-logo .logo-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
}

.auth-logo h1 {
  font-size: 1.75rem;
  margin-bottom: var(--space-2);
}

.auth-logo p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.auth-form .form-group:last-of-type { margin-bottom: var(--space-5); }

.auth-footer {
  text-align: center;
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-footer a {
  color: var(--blue);
  font-weight: 500;
}

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

/* ============================================
   DEBUG INFO
   ============================================ */
.debug-info {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  font-size: 0.6875rem;
  color: var(--text-muted);
  opacity: 0.6;
  font-family: monospace;
}

.debug-separator { opacity: 0.5; }

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 10000;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 380px;
  pointer-events: auto;
  animation: toastSlide 0.2s ease;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.toast.error   { border-left: 3px solid var(--red); }
.toast.success { border-left: 3px solid var(--green); }
.toast.info    { border-left: 3px solid var(--blue); }

.toast-message {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes toastSlide {
  from { transform: translateX(320px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

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

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-muted  { color: var(--text-muted); }
.mt-4        { margin-top: var(--space-4); }
.mb-4        { margin-bottom: var(--space-4); }
.hidden      { display: none; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .navbar-left,
  .navbar-center,
  .navbar-right { justify-content: center; }

  .navbar-center { gap: var(--space-4); }

  .table-wrapper { overflow-x: auto; }
  .databases-table { min-width: 580px; }

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

  .header-actions { width: 100%; }
  .header-actions .btn { flex: 1; }

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

  .modal-content { max-width: 100%; }

  .debug-info { flex-direction: column; gap: var(--space-1); }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

  .page-container { padding: var(--space-4); gap: var(--space-4); }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .database-card-info { grid-template-columns: 1fr; }
  .auth-card { padding: var(--space-6); }
}

@media print {
  body { background: white; color: black; }
  .navbar, .header-actions, .actions-cell, .btn, .modal { display: none !important; }
  .card, .table-wrapper { border: 1px solid #ccc; box-shadow: none; }
}