/* =========================================
   DevNotes Unified Stylesheet
   Consolidated from base/components/layout/animations + custom overrides
   ========================================= */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:root {
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-300: #d4d4d8;
  --gray-400: #a1a1aa;
  --gray-500: #71717a;
  --gray-600: #52525b;
  --gray-700: #3f3f46;
  --gray-800: #27272a;
  --gray-900: #18181b;
  --gray-950: #09090b;

  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;

  /* Accent palette (matches Tailwind `accent`) */
  --accent-50: #fff1f2;
  --accent-100: #ffe4e6;
  --accent-200: #fecdd3;
  --accent-300: #fda4af;
  --accent-400: #fb7185;
  --accent-500: #f43f5e;
  --accent-600: #e11d48;
  --accent-700: #be123c;
  --accent-800: #9f1239;
  --accent-900: #881337;
  --accent-950: #4c0519;

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  --cat-docker: #2496ed;
  --cat-kubernetes: #326ce5;
  --cat-linux: #fcc624;
  --cat-cicd: #10b981;
  --cat-aws: #ff9900;
  --cat-monitoring: #8b5cf6;

  --bg-page: var(--gray-50);
  --bg-surface: #ffffff;
  --bg-surface-hover: var(--gray-100);
  --bg-surface-active: var(--gray-200);

  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-500);
  --text-tertiary: var(--gray-400);
  --text-inverse: #ffffff;

  --border-color: var(--gray-200);
  --border-color-strong: var(--gray-300);

  --accent: var(--accent-500);
  --accent-hover: var(--accent-600);
  --accent-light: var(--accent-50);

  --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;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);

  --sidebar-width: 240px;
  --header-height: 56px;
  --content-max-width: 1200px;

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

  --transition-fast: 0.1s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

html.dark-mode,
html.dark {
  --bg-page: var(--gray-950);
  --bg-surface: var(--gray-900);
  --bg-surface-hover: var(--gray-800);
  --bg-surface-active: var(--gray-700);

  --text-primary: var(--gray-100);
  --text-secondary: var(--gray-400);
  --text-tertiary: var(--gray-500);

  --border-color: var(--gray-800);
  --border-color-strong: var(--gray-700);

  --accent-light: rgba(244, 63, 94, 0.15);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);

  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-page);
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: 1.75rem; letter-spacing: -0.01em; }
h2 { font-size: 1.375rem; letter-spacing: -0.01em; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }
h5 { font-size: 0.9375rem; }
h6 { font-size: 0.8125rem; }

p {
  color: var(--text-secondary);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-hover);
}

/* Keep button/brand links from inheriting accent hover color */
a.text-white,
a[class*="bg-accent-"],
a[class*="bg-red-"] {
  color: #ffffff;
}

a.text-white:hover,
a.text-white:focus,
a[class*="bg-accent-"]:hover,
a[class*="bg-accent-"]:focus,
a[class*="bg-red-"]:hover,
a[class*="bg-red-"]:focus {
  color: #f4f4f5;
  text-shadow: 0 0 12px rgba(244, 63, 94, 0.25);
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--bg-surface-hover);
  padding: 0.125em 0.375em;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background-color: var(--gray-900);
  color: var(--gray-100);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  border: 1px solid var(--border-color);
}

html.dark-mode pre,
html.dark pre {
  background-color: var(--gray-950);
  border-color: var(--gray-800);
}

::selection {
  background-color: var(--accent);
  color: white;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

html.dark-mode ::-webkit-scrollbar-thumb,
html.dark ::-webkit-scrollbar-thumb {
  background: var(--gray-700);
}

html.dark-mode ::-webkit-scrollbar-thumb:hover,
html.dark ::-webkit-scrollbar-thumb:hover {
  background: var(--gray-600);
}

/* =========================================
   Layout (legacy selectors retained)
   ========================================= */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  transition: transform var(--transition-base);
}

.sidebar-header {
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
}

.sidebar-header .logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar-header .logo:hover {
  color: var(--accent);
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-section.mt-4 {
  margin-top: var(--space-4);
}

.nav-section.mt-auto {
  margin-top: auto;
}

.nav-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-item:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

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

.nav-item .nav-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

.nav-item .badge {
  margin-left: auto;
  background-color: var(--bg-surface-hover);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
}

.nav-item.sub-item {
  padding-left: var(--space-4);
  font-size: 0.8125rem;
}

.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-base);
}

.top-header {
  height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: 50;
}

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

.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
  max-width: 600px;
  margin: 0 var(--space-4);
}

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

.command-palette-wrapper {
  width: 100%;
  display: flex;
  align-items: center;
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-3);
  transition: all var(--transition-fast);
}

.command-palette-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background-color: var(--bg-surface);
}

.search-icon {
  color: var(--text-tertiary);
  margin-right: var(--space-2);
  font-size: 0.875rem;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-sans);
}

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

.search-shortcuts {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: var(--space-2);
}

.shortcut-key {
  background-color: var(--bg-surface-active);
  color: var(--text-secondary);
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  font-weight: 500;
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.search-clear {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.search-clear:hover {
  background-color: var(--bg-surface-active);
  color: var(--text-primary);
}

.theme-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.user-menu {
  position: relative;
}

.user-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  border: 1px solid var(--border-color);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.user-btn:hover {
  background-color: var(--bg-surface-hover);
}

.avatar-placeholder {
  width: 24px;
  height: 24px;
  background-color: var(--accent);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}

.username-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 200px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: 100;
}

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

.dropdown-item {
  display: block;
  padding: var(--space-2) var(--space-4);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: background-color var(--transition-fast);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 20px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-secondary);
  border-radius: 1px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

.page-content {
  flex: 1;
  padding: var(--space-6);
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
}

.page-section {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-6);
}

.page-header {
  margin-bottom: var(--space-6);
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

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

.footer {
  padding: var(--space-4) var(--space-6);
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.8125rem;
  border-top: 1px solid var(--border-color);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* =========================================
   Components
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-sans);
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

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

.btn.secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
}

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

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

.btn.danger:hover:not(:disabled) {
  background-color: #dc2626;
}

.btn.copy {
  background-color: var(--accent-light);
  color: var(--accent);
  border-color: transparent;
}

.btn.copy:hover:not(:disabled) {
  background-color: var(--accent);
  color: white;
}

.btn.edit {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: transparent;
}

.btn.edit:hover:not(:disabled) {
  background-color: var(--bg-surface-active);
}

.btn.delete {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
  border-color: transparent;
}

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

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

.btn.icon-only {
  padding: var(--space-2);
  min-width: 36px;
}

.feature-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--border-color-strong);
  box-shadow: var(--shadow-sm);
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.feature-card .description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-4);
}

.feature-grid.list-view {
  display: flex;
  flex-direction: column;
}

.stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.stat-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

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

.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.form-control,
.form-select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

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

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.form-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='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em;
  padding-right: 2.5rem;
}

.form-group {
  margin-bottom: var(--space-4);
}

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

.form-group-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.form-label-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.form-label-col p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.form-input-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 500px;
}

.input-with-icon {
  position: relative;
}

.input-with-icon .input-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 1rem;
  pointer-events: none;
}

.input-with-icon .form-control {
  padding-left: 2.5rem;
}

.note-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.note-form input,
.note-form select,
.note-form textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.note-form input:focus,
.note-form select:focus,
.note-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-surface-hover);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.tag:hover {
  background-color: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent);
  cursor: pointer;
}

.category-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  color: white;
}

.category-docker { background-color: var(--cat-docker); }
.category-kubernetes { background-color: var(--cat-kubernetes); }
.category-linux { background-color: var(--cat-linux); color: var(--gray-900); }
.category-cicd { background-color: var(--cat-cicd); }
.category-aws { background-color: var(--cat-aws); }
.category-monitoring { background-color: var(--cat-monitoring); }
.category-other { background-color: var(--gray-500); }

.note-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
}

.empty-state h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

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

.settings-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.settings-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.settings-tabs {
  display: flex;
  gap: var(--space-6);
}

.tab-link {
  padding: var(--space-2) 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.tab-link.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

.tab-content {
  display: none;
}

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

.settings-section {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.section-title h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.section-title p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.section-actions {
  display: flex;
  gap: var(--space-2);
}

.settings-avatar {
  width: 56px;
  height: 56px;
  background-color: var(--accent);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
  flex-shrink: 0;
}

.settings-avatar-large {
  width: 72px;
  height: 72px;
  background-color: var(--accent);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 600;
}

.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background-color: var(--bg-surface-hover);
}

.upload-area:hover {
  border-color: var(--accent);
  background-color: var(--accent-light);
}

.upload-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
  color: var(--text-tertiary);
}

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

.upload-text strong {
  color: var(--accent);
}

.profile-header-gradient {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-700) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  color: white;
  margin-bottom: var(--space-6);
}

.profile-header-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.profile-header-content h1 {
  color: white;
  font-size: 1.5rem;
  margin: 0;
}

.profile-header-content p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.badge-enterprise {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  margin-left: var(--space-2);
  vertical-align: middle;
}

.category-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.sort-select {
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
}

.view-toggle {
  display: flex;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.view-btn {
  padding: var(--space-2);
  background-color: var(--bg-surface);
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.view-btn:hover:not(.active) {
  background-color: var(--bg-surface-hover);
}

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

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

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

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.animate-fadeIn { animation: fadeIn 0.2s ease-out; }
.animate-fadeInUp { animation: fadeInUp 0.3s ease-out; }
.animate-scaleIn { animation: scaleIn 0.2s ease-out; }

/* =========================================
   Custom Overrides (from inline styles)
   ========================================= */
.bg-grid {
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, transparent, 10%, #000, 90%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, 5%, #000, 95%, transparent);
}

.search-input-wrapper.has-clear .search-hint {
  opacity: 0;
  transform: translateY(-2px);
}

.card-surface {
  background: linear-gradient(180deg, rgba(24, 24, 27, 0.85), rgba(9, 9, 11, 0.85));
  border: 1px solid rgba(63, 63, 70, 0.6);
  border-radius: 16px;
}

.btn-primary {
  background: linear-gradient(180deg, #ef4444, #e11d48);
  color: #fff;
  border: 1px solid rgba(239, 68, 68, 0.45);
  border-radius: 10px;
  padding: 9px 16px;
  font-weight: 600;
}
.btn-primary:hover { filter: brightness(1.05); color: #fff; }

.btn-secondary {
  background: rgba(39, 39, 42, 0.8);
  color: #e4e4e7;
  border: 1px solid rgba(63, 63, 70, 0.9);
  border-radius: 10px;
  padding: 9px 16px;
  font-weight: 600;
}
.btn-secondary:hover { border-color: rgba(113, 113, 122, 0.9); color: #e4e4e7; }

.btn-ghost {
  color: #e4e4e7;
  border: 1px solid rgba(63, 63, 70, 0.6);
  border-radius: 10px;
  padding: 9px 16px;
  font-weight: 600;
}
.btn-ghost:hover { color: #e4e4e7; }

/* Auth form inputs */
.auth-page input[type="text"],
.auth-page input[type="email"],
.auth-page input[type="password"] {
  caret-color: #e4e4e7;
  background-color: #0b0b0f !important;
  color: #e4e4e7 !important;
  -webkit-text-fill-color: #e4e4e7 !important;
  border-color: rgba(39, 39, 42, 0.8) !important;
  color-scheme: dark;
}

.auth-page input[type="text"]:focus,
.auth-page input[type="email"]:focus,
.auth-page input[type="password"]:focus {
  outline: none;
  border-color: rgba(244, 63, 94, 0.6);
  box-shadow: 0 0 0 2px rgba(244, 63, 94, 0.2);
}

.auth-page input[type="email"]:invalid {
  color: #e4e4e7 !important;
  -webkit-text-fill-color: #e4e4e7 !important;
}

.auth-page input::placeholder {
  color: #71717a;
}

.auth-page input:-webkit-autofill,
.auth-page input:-webkit-autofill:hover,
.auth-page input:-webkit-autofill:focus,
.auth-page input:-webkit-autofill:active {
  -webkit-text-fill-color: #e4e4e7;
  box-shadow: 0 0 0 1000px #09090b inset;
  transition: background-color 9999s ease-in-out 0s;
}

.auth-page input:-webkit-autofill::first-line {
  -webkit-text-fill-color: #e4e4e7 !important;
}

.auth-page input:autofill,
.auth-page input:autofill::first-line {
  -webkit-text-fill-color: #e4e4e7 !important;
  color: #e4e4e7 !important;
}

.password-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #a1a1aa;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  z-index: 2;
}

.password-toggle:hover {
  color: #e4e4e7;
  background: rgba(24, 24, 27, 0.35);
}

.password-input {
  padding-right: 42px !important;
}

.password-toggle svg {
  width: 16px;
  height: 16px;
}

.password-toggle .icon-eye-off { display: none; }
.password-toggle.is-visible .icon-eye { display: none; }
.password-toggle.is-visible .icon-eye-off { display: inline; }

/* Mesh backgrounds */
.mesh-bg {
  background-image: url("/static/images/mesh_bg.svg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.mesh-glow {
  background-image: url("/static/images/mesh_glow.svg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.mesh-card {
  background-image: url("/static/images/mesh_card.svg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Inputs */
:where(input:not([type="checkbox"]):not([type="radio"]), select, textarea) {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
}

/* Search Bar */
.search-input-wrapper input {
  height: 38px;
  border-radius: 12px;
  background-color: rgba(24, 24, 27, 0.7);
}

/* Tags */
.tag,
.tag-cloud-tag,
.filter-btn {
  border-radius: 999px;
}
.tag {
  background-color: rgba(39, 39, 42, 0.6);
  border-color: rgba(63, 63, 70, 0.8);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

/* Card Elevation */
.feature-card,
.stat-card,
.empty-state {
  box-shadow: var(--shadow-sm);
}

/* Section Titles */
.section-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ql-toolbar {
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.ql-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color) !important;
  border-top: none !important;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  min-height: 100px;
}

.ql-editor { color: var(--text-primary); }

.ql-editor.ql-blank::before {
  color: var(--text-tertiary);
  font-style: normal;
}

html.dark-mode .ql-toolbar {
  background-color: var(--bg-surface-active);
  border-color: var(--border-color) !important;
}

html.dark-mode .ql-container {
  background-color: var(--bg-surface);
  border-color: var(--border-color) !important;
}

html.dark-mode .ql-stroke { stroke: var(--text-secondary) !important; }
html.dark-mode .ql-fill { fill: var(--text-secondary) !important; }
html.dark-mode .ql-picker { color: var(--text-secondary) !important; }

html.dark .ql-toolbar {
  background-color: var(--bg-surface-active);
  border-color: var(--border-color) !important;
}

html.dark .ql-container {
  background-color: var(--bg-surface);
  border-color: var(--border-color) !important;
}

html.dark .ql-stroke { stroke: var(--text-secondary) !important; }
html.dark .ql-fill { fill: var(--text-secondary) !important; }
html.dark .ql-picker { color: var(--text-secondary) !important; }

/* Search input focus (remove blue outline) */
.search-input-wrapper input:focus,
.search-input-wrapper input:focus-visible {
  outline: none;
  box-shadow: none;
  border-color: rgba(63, 63, 70, 0.8);
}

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
  .stats-container { grid-template-columns: repeat(2, 1fr); }
  .form-group-row { grid-template-columns: 1fr; gap: var(--space-3); }
  .note-actions { flex-direction: column; }
  .note-actions .btn { width: 100%; }

  .sidebar { transform: translateX(-100%); width: 280px; box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .hamburger { display: flex; }
  .header-center { display: none; }
  .username-text { display: none; }
  .sidebar-overlay { display: block; }
  .page-content { padding: var(--space-4); }
}

@media (max-width: 480px) {
  .stats-container { grid-template-columns: 1fr; }
  .feature-card { padding: var(--space-4); }
  .top-header { padding: 0 var(--space-4); }
  .page-content { padding: var(--space-3); }
}