:root,
.ntn {
  --ntn-gray-1: #ffffff;
  --ntn-gray-2: #fbfbfa;
  --ntn-gray-3: #f7f6f3;
  --ntn-gray-4: #f1f1ef;
  --ntn-gray-5: #e9e9e7;
  --ntn-gray-6: #dfdfdc;
  --ntn-gray-7: #c4c4c0;
  --ntn-gray-8: #acacaa;
  --ntn-gray-9: #8b8b89;
  --ntn-gray-10: #6b6b69;
  --ntn-gray-11: #37352f;
  --ntn-gray-12: #1f1f1e;
  --ntn-bg: var(--ntn-gray-1);
  --ntn-text: var(--ntn-gray-11);
  --ntn-text-secondary: var(--ntn-gray-10);
  --ntn-text-tertiary: var(--ntn-gray-9);
  --ntn-text-placeholder: rgba(55, 53, 47, 0.35);
  --ntn-blue: #2383e2;
  --ntn-blue-bg: rgba(35, 131, 226, 0.07);
  --ntn-red: #eb5757;
  --ntn-red-bg: rgba(235, 87, 87, 0.07);
  --ntn-orange: #d9730d;
  --ntn-orange-bg: rgba(217, 115, 13, 0.07);
  --ntn-yellow: #cb912f;
  --ntn-yellow-bg: rgba(203, 145, 47, 0.07);
  --ntn-green: #0f7b6c;
  --ntn-green-bg: rgba(15, 123, 108, 0.07);
  --ntn-purple: #6940a5;
  --ntn-purple-bg: rgba(105, 64, 165, 0.07);
  --ntn-pink: #ad1a72;
  --ntn-pink-bg: rgba(173, 26, 114, 0.07);
  --ntn-brown: #9f6b53;
  --ntn-brown-bg: rgba(159, 107, 83, 0.07);
  --ntn-primary: var(--ntn-blue);
  --ntn-primary-hover: #1b76d1;
  --ntn-on-primary: #ffffff;
  --ntn-surface: var(--ntn-gray-1);
  --ntn-surface-hover: var(--ntn-gray-3);
  --ntn-surface-active: var(--ntn-gray-4);
  --ntn-surface-sidebar: var(--ntn-gray-3);
  --ntn-success: var(--ntn-green);
  --ntn-warning: var(--ntn-orange);
  --ntn-error: var(--ntn-red);
  --ntn-info: var(--ntn-blue);
  --ntn-border-color: var(--ntn-gray-5);
  --ntn-border: 1px solid var(--ntn-border-color);
  --ntn-border-strong: 1px solid var(--ntn-gray-7);
  --ntn-border-subtle: 1px solid rgba(55, 53, 47, 0.06);
  --ntn-shadow-sm: rgba(15, 15, 15, 0.03) 0px 0px 0px 1px, rgba(15, 15, 15, 0.04) 0px 2px 4px;
  --ntn-shadow-md: rgba(15, 15, 15, 0.04) 0px 0px 0px 1px, rgba(15, 15, 15, 0.06) 0px 3px 6px, rgba(15, 15, 15, 0.08) 0px 9px 24px;
  --ntn-shadow-lg: rgba(15, 15, 15, 0.04) 0px 0px 0px 1px, rgba(15, 15, 15, 0.08) 0px 5px 10px, rgba(15, 15, 15, 0.12) 0px 15px 40px;
  --ntn-radius-sm: 3px;
  --ntn-radius-md: 4px;
  --ntn-radius-lg: 6px;
  --ntn-radius-xl: 8px;
  --ntn-radius-full: 9999px;
  --ntn-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, 'Apple Color Emoji', Arial, sans-serif, 'Segoe UI Emoji', 'Segoe UI Symbol';
  --ntn-font-serif: Lyon-Text, Georgia, ui-serif, serif;
  --ntn-font-mono: iawriter-mono, Nitti, Menlo, Courier, monospace;
  --ntn-text-xs: 400 0.6875rem/1.4 var(--ntn-font);
  --ntn-text-sm: 400 0.8125rem/1.5 var(--ntn-font);
  --ntn-text-base: 400 0.9375rem/1.6 var(--ntn-font);
  --ntn-text-md: 500 0.9375rem/1.5 var(--ntn-font);
  --ntn-text-lg: 600 1.0625rem/1.4 var(--ntn-font);
  --ntn-text-xl: 700 1.25rem/1.3 var(--ntn-font);
  --ntn-text-2xl: 700 1.5rem/1.25 var(--ntn-font);
  --ntn-text-3xl: 700 2rem/1.2 var(--ntn-font);
  --ntn-label: 500 0.8125rem/1 var(--ntn-font);
  --ntn-caption: 400 0.75rem/1.4 var(--ntn-font);
  --ntn-code: 400 0.85em/1.5 var(--ntn-font-mono);
  --ntn-duration-fast: 100ms;
  --ntn-duration-normal: 150ms;
  --ntn-duration-slow: 200ms;
  --ntn-easing: ease;
  --ntn-space-1: 4px;
  --ntn-space-2: 8px;
  --ntn-space-3: 12px;
  --ntn-space-4: 16px;
  --ntn-space-5: 20px;
  --ntn-space-6: 24px;
  --ntn-space-8: 32px;
  --ntn-space-10: 40px;
  --ntn-space-12: 48px;
  --ntn-focus-ring: 0 0 0 2px var(--ntn-surface), 0 0 0 4px var(--ntn-blue);
}

.ntn.dark,
.ntn[data-theme=dark],
[data-theme=dark] .ntn {
  --ntn-gray-1: #191919;
  --ntn-gray-2: #202020;
  --ntn-gray-3: #2f2f2f;
  --ntn-gray-4: #373737;
  --ntn-gray-5: #424242;
  --ntn-gray-6: #4f4f4f;
  --ntn-gray-7: #636363;
  --ntn-gray-8: #7e7e7e;
  --ntn-gray-9: #9b9a97;
  --ntn-gray-10: #b4b4b0;
  --ntn-gray-11: #e3e2de;
  --ntn-gray-12: #f4f4f2;
  --ntn-bg: #191919;
  --ntn-text: var(--ntn-gray-11);
  --ntn-text-secondary: var(--ntn-gray-10);
  --ntn-text-tertiary: var(--ntn-gray-9);
  --ntn-text-placeholder: rgba(255, 255, 255, 0.3);
  --ntn-blue: #529cca;
  --ntn-blue-bg: rgba(82, 156, 202, 0.12);
  --ntn-red: #e06c75;
  --ntn-red-bg: rgba(224, 108, 117, 0.12);
  --ntn-orange: #c77d48;
  --ntn-orange-bg: rgba(199, 125, 72, 0.12);
  --ntn-green: #4dab9a;
  --ntn-green-bg: rgba(77, 171, 154, 0.12);
  --ntn-purple: #9a6dd7;
  --ntn-purple-bg: rgba(154, 109, 215, 0.12);
  --ntn-surface: #191919;
  --ntn-surface-hover: #2f2f2f;
  --ntn-surface-active: #373737;
  --ntn-surface-sidebar: #202020;
  --ntn-shadow-sm: rgba(0, 0, 0, 0.1) 0px 0px 0px 1px, rgba(0, 0, 0, 0.15) 0px 2px 4px;
  --ntn-shadow-md: rgba(0, 0, 0, 0.12) 0px 0px 0px 1px, rgba(0, 0, 0, 0.18) 0px 3px 6px, rgba(0, 0, 0, 0.24) 0px 9px 24px;
  --ntn-shadow-lg: rgba(0, 0, 0, 0.15) 0px 0px 0px 1px, rgba(0, 0, 0, 0.2) 0px 5px 10px, rgba(0, 0, 0, 0.3) 0px 15px 40px;
}

.ntn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  font: var(--ntn-label);
  border-radius: var(--ntn-radius-md);
  height: 32px;
  padding: 0 12px;
  border: none;
  background: var(--ntn-primary);
  color: var(--ntn-on-primary);
  transition: background var(--ntn-duration-fast) var(--ntn-easing), opacity var(--ntn-duration-fast);
  -webkit-tap-highlight-color: transparent;
}
.ntn-btn:hover {
  background: var(--ntn-primary-hover);
}
.ntn-btn:active {
  opacity: 0.85;
}
.ntn-btn:focus-visible {
  outline: none;
  box-shadow: var(--ntn-focus-ring);
}
.ntn-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.ntn-btn:disabled, .ntn-btn[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.ntn-btn--default {
  background: var(--ntn-surface);
  color: var(--ntn-text);
  box-shadow: var(--ntn-shadow-sm);
}
.ntn-btn--default:hover {
  background: var(--ntn-surface-hover);
}
.ntn-btn--default:active {
  background: var(--ntn-surface-active);
}

.ntn-btn--ghost {
  background: transparent;
  color: var(--ntn-text-secondary);
}
.ntn-btn--ghost:hover {
  background: var(--ntn-surface-hover);
  color: var(--ntn-text);
}
.ntn-btn--ghost:active {
  background: var(--ntn-surface-active);
}

.ntn-btn--text {
  background: transparent;
  color: var(--ntn-text-tertiary);
  padding: 0 4px;
  height: auto;
}
.ntn-btn--text:hover {
  color: var(--ntn-text);
  background: transparent;
}

.ntn-btn--danger {
  background: var(--ntn-red);
  color: white;
}
.ntn-btn--danger:hover {
  opacity: 0.9;
  background: var(--ntn-red);
}

.ntn-btn--danger-ghost {
  background: transparent;
  color: var(--ntn-red);
}
.ntn-btn--danger-ghost:hover {
  background: var(--ntn-red-bg);
}

.ntn-btn--blue {
  background: var(--ntn-blue-bg);
  color: var(--ntn-blue);
}
.ntn-btn--blue:hover {
  filter: brightness(0.95);
}

.ntn-btn--green {
  background: var(--ntn-green-bg);
  color: var(--ntn-green);
}
.ntn-btn--green:hover {
  filter: brightness(0.95);
}

.ntn-btn--orange {
  background: var(--ntn-orange-bg);
  color: var(--ntn-orange);
}
.ntn-btn--orange:hover {
  filter: brightness(0.95);
}

.ntn-btn--purple {
  background: var(--ntn-purple-bg);
  color: var(--ntn-purple);
}
.ntn-btn--purple:hover {
  filter: brightness(0.95);
}

.ntn-btn--sm {
  height: 28px;
  padding: 0 8px;
  font-size: 0.75rem;
  border-radius: var(--ntn-radius-sm);
}

.ntn-btn--lg {
  height: 36px;
  padding: 0 16px;
  font-size: 0.875rem;
}

.ntn-btn--icon {
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: var(--ntn-radius-sm);
  background: transparent;
  color: var(--ntn-text-tertiary);
}
.ntn-btn--icon:hover {
  background: var(--ntn-surface-hover);
  color: var(--ntn-text);
}
.ntn-btn--icon svg {
  width: 16px;
  height: 16px;
}

.ntn-btn--full {
  width: 100%;
}

.ntn-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--ntn-surface);
  border-radius: var(--ntn-radius-lg);
  overflow: hidden;
  color: var(--ntn-text);
  box-shadow: var(--ntn-shadow-sm);
}
.ntn-card h3, .ntn-card h4 {
  font: var(--ntn-text-md);
  margin: 0;
  color: var(--ntn-text);
}
.ntn-card p {
  font: var(--ntn-text-base);
  color: var(--ntn-text-secondary);
  margin: 4px 0 0;
}

.ntn-card--interactive {
  cursor: pointer;
  transition: box-shadow var(--ntn-duration-normal) var(--ntn-easing);
}
.ntn-card--interactive:hover {
  box-shadow: var(--ntn-shadow-md);
}
.ntn-card--interactive:focus-visible {
  outline: none;
  box-shadow: var(--ntn-focus-ring);
}

.ntn-card--flat {
  box-shadow: none;
  border: var(--ntn-border-subtle);
}

.ntn-card--callout {
  box-shadow: none;
  background: var(--ntn-gray-3);
  padding: 16px;
  border-radius: var(--ntn-radius-sm);
  flex-direction: row;
  gap: 12px;
}

.ntn-card--callout-blue {
  background: var(--ntn-blue-bg);
}

.ntn-card--callout-green {
  background: var(--ntn-green-bg);
}

.ntn-card--callout-orange {
  background: var(--ntn-orange-bg);
}

.ntn-card--callout-red {
  background: var(--ntn-red-bg);
}

.ntn-card--callout-purple {
  background: var(--ntn-purple-bg);
}

.ntn-card__emoji {
  font-size: 1.25rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.ntn-card__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px 0;
}

.ntn-card__header-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.ntn-card__title {
  font: var(--ntn-text-md);
  color: var(--ntn-text);
  margin: 0;
}

.ntn-card__subtitle {
  font: var(--ntn-caption);
  color: var(--ntn-text-tertiary);
  margin: 0;
}

.ntn-card__body {
  padding: 10px 16px 16px;
  font: var(--ntn-text-base);
  color: var(--ntn-text-secondary);
}

.ntn-card__header + .ntn-card__body {
  padding-top: 6px;
}

.ntn-card__cover {
  width: 100%;
  height: 120px;
  object-fit: cover;
  background: var(--ntn-gray-4);
}

.ntn-card__footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: var(--ntn-border-subtle);
  margin-top: auto;
}

.ntn-card__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 16px 14px;
}

.ntn-card__property {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 16px;
  font: var(--ntn-text-sm);
}

.ntn-card__property-label {
  color: var(--ntn-text-tertiary);
  min-width: 80px;
  flex-shrink: 0;
}

.ntn-card__property-value {
  color: var(--ntn-text);
}

.ntn-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.ntn-field__label {
  font: var(--ntn-label);
  color: var(--ntn-text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ntn-input {
  width: 100%;
  height: 32px;
  padding: 0 8px;
  font: var(--ntn-text-base);
  color: var(--ntn-text);
  background: var(--ntn-surface);
  border: var(--ntn-border);
  border-radius: var(--ntn-radius-md);
  transition: border-color var(--ntn-duration-fast) var(--ntn-easing), box-shadow var(--ntn-duration-fast);
}
.ntn-input::placeholder {
  color: var(--ntn-text-placeholder);
}
.ntn-input:focus {
  outline: none;
  border-color: var(--ntn-blue);
  box-shadow: var(--ntn-focus-ring);
}
.ntn-input:hover:not(:focus) {
  border-color: var(--ntn-gray-7);
}

.ntn-field__message {
  font: var(--ntn-caption);
  color: var(--ntn-text-tertiary);
}

.ntn-field--error .ntn-input {
  border-color: var(--ntn-red);
}
.ntn-field--error .ntn-input:focus {
  box-shadow: 0 0 0 2px var(--ntn-surface), 0 0 0 4px var(--ntn-red);
}
.ntn-field--error .ntn-field__label {
  color: var(--ntn-red);
}
.ntn-field--error .ntn-field__message {
  color: var(--ntn-red);
}

.ntn-field--disabled {
  opacity: 0.4;
  pointer-events: none;
}

.ntn-input--sm {
  height: 28px;
  font-size: 0.8125rem;
  border-radius: var(--ntn-radius-sm);
}

.ntn-input--lg {
  height: 38px;
  padding: 0 12px;
  font-size: 1rem;
}

.ntn-input--unstyled {
  border: none;
  background: transparent;
  box-shadow: none;
  padding: 0;
  border-radius: 0;
}
.ntn-input--unstyled:focus {
  box-shadow: none;
  border-bottom: 2px solid var(--ntn-blue);
}
.ntn-input--unstyled:hover:not(:focus) {
  background: var(--ntn-gray-3);
}

textarea.ntn-input {
  height: auto;
  min-height: 80px;
  padding: 8px;
  resize: vertical;
  line-height: 1.6;
}

.ntn-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font: 500 0.75rem/1 var(--ntn-font);
  white-space: nowrap;
  user-select: none;
  border-radius: var(--ntn-radius-sm);
  padding: 3px 6px;
  height: 20px;
  vertical-align: middle;
  background: var(--ntn-gray-4);
  color: var(--ntn-text);
  border: none;
}

.ntn-badge--blue {
  background: var(--ntn-blue-bg);
  color: var(--ntn-blue);
}

.ntn-badge--green {
  background: var(--ntn-green-bg);
  color: var(--ntn-green);
}

.ntn-badge--red {
  background: var(--ntn-red-bg);
  color: var(--ntn-red);
}

.ntn-badge--orange {
  background: var(--ntn-orange-bg);
  color: var(--ntn-orange);
}

.ntn-badge--yellow {
  background: var(--ntn-yellow-bg);
  color: var(--ntn-yellow);
}

.ntn-badge--purple {
  background: var(--ntn-purple-bg);
  color: var(--ntn-purple);
}

.ntn-badge--pink {
  background: var(--ntn-pink-bg);
  color: var(--ntn-pink);
}

.ntn-badge--brown {
  background: var(--ntn-brown-bg);
  color: var(--ntn-brown);
}

.ntn-badge--success {
  background: var(--ntn-green-bg);
  color: var(--ntn-green);
}

.ntn-badge--warning {
  background: var(--ntn-orange-bg);
  color: var(--ntn-orange);
}

.ntn-badge--error {
  background: var(--ntn-red-bg);
  color: var(--ntn-red);
}

.ntn-badge--outline {
  background: transparent;
  border: 1px solid var(--ntn-gray-5);
  color: var(--ntn-text-secondary);
}

.ntn-badge--sm {
  font-size: 0.6875rem;
  padding: 2px 5px;
  height: 18px;
}

.ntn-badge--lg {
  font-size: 0.8125rem;
  padding: 4px 8px;
  height: 24px;
}

.ntn-avatar {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  user-select: none;
  background: var(--ntn-gray-4);
  color: var(--ntn-text-secondary);
  font: 500 0.75rem/1 var(--ntn-font);
  border: none;
  border-radius: var(--ntn-radius-full);
  width: 28px;
  height: 28px;
}

.ntn-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.ntn-avatar__initials {
  text-transform: uppercase;
}

.ntn-avatar__emoji {
  font-size: 1rem;
  line-height: 1;
}

.ntn-avatar--sm {
  width: 22px;
  height: 22px;
  font-size: 0.625rem;
}

.ntn-avatar--lg {
  width: 36px;
  height: 36px;
  font-size: 0.875rem;
}

.ntn-avatar--xl {
  width: 48px;
  height: 48px;
  font-size: 1.125rem;
}

.ntn-avatar--page {
  width: 64px;
  height: 64px;
  font-size: 2rem;
  border-radius: var(--ntn-radius-md);
}

.ntn-avatar--square {
  border-radius: var(--ntn-radius-md);
}

.ntn-avatar__status {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--ntn-surface);
  background: var(--ntn-green);
}
.ntn-avatar__status--offline {
  background: var(--ntn-gray-7);
}
.ntn-avatar__status--busy {
  background: var(--ntn-red);
}

.ntn-avatar-group {
  display: flex;
}
.ntn-avatar-group .ntn-avatar {
  margin-left: -6px;
  box-shadow: 0 0 0 2px var(--ntn-surface);
}
.ntn-avatar-group .ntn-avatar:first-child {
  margin-left: 0;
}

.ntn-alert {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--ntn-radius-sm);
  font: var(--ntn-text-base);
  color: var(--ntn-text);
  background: var(--ntn-gray-3);
}

.ntn-alert__icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  line-height: 1.4;
}

.ntn-alert__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.ntn-alert__title {
  font: var(--ntn-text-md);
  margin: 0;
}

.ntn-alert__body {
  font: var(--ntn-text-base);
  color: var(--ntn-text-secondary);
  margin: 0;
}

.ntn-alert--info {
  background: var(--ntn-blue-bg);
}

.ntn-alert--success {
  background: var(--ntn-green-bg);
}

.ntn-alert--warning {
  background: var(--ntn-orange-bg);
}

.ntn-alert--error {
  background: var(--ntn-red-bg);
}

.ntn-appbar {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
  height: 44px;
  padding: 0 12px;
  background: var(--ntn-surface);
  color: var(--ntn-text);
  z-index: 10;
}

.ntn-appbar__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--ntn-text-tertiary);
  cursor: pointer;
  border-radius: var(--ntn-radius-sm);
  padding: 0;
  transition: background var(--ntn-duration-fast);
}
.ntn-appbar__nav:hover {
  background: var(--ntn-surface-hover);
  color: var(--ntn-text);
}
.ntn-appbar__nav svg {
  width: 16px;
  height: 16px;
}

.ntn-appbar__breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  font: var(--ntn-text-sm);
  color: var(--ntn-text-tertiary);
  min-width: 0;
  overflow: hidden;
}

.ntn-appbar__breadcrumb-item {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ntn-text-secondary);
  text-decoration: none;
}
.ntn-appbar__breadcrumb-item:hover {
  color: var(--ntn-text);
}
.ntn-appbar__breadcrumb-item:last-child {
  color: var(--ntn-text);
  font-weight: 500;
}

.ntn-appbar__breadcrumb-sep {
  color: var(--ntn-gray-7);
  flex-shrink: 0;
}

.ntn-appbar__title {
  font: var(--ntn-text-sm);
  font-weight: 500;
  color: var(--ntn-text);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ntn-appbar__spacer {
  flex: 1;
}

.ntn-appbar__actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.ntn-appbar__action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--ntn-text-tertiary);
  cursor: pointer;
  border-radius: var(--ntn-radius-sm);
  padding: 0;
  transition: background var(--ntn-duration-fast);
}
.ntn-appbar__action:hover {
  background: var(--ntn-surface-hover);
  color: var(--ntn-text);
}
.ntn-appbar__action svg {
  width: 16px;
  height: 16px;
}

.ntn-sidebar {
  display: flex;
  flex-direction: column;
  width: 240px;
  min-height: 100%;
  padding: 8px;
  background: var(--ntn-surface-sidebar);
  flex-shrink: 0;
  overflow-y: auto;
}

.ntn-sidebar__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px 8px;
}

.ntn-sidebar__workspace {
  font: var(--ntn-text-md);
  color: var(--ntn-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ntn-sidebar__workspace-icon {
  width: 22px;
  height: 22px;
  border-radius: var(--ntn-radius-sm);
  background: var(--ntn-gray-5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.ntn-sidebar__section-title {
  font: 500 0.6875rem/1 var(--ntn-font);
  color: var(--ntn-text-tertiary);
  padding: 14px 8px 4px;
  text-transform: none;
}

.ntn-sidebar__items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ntn-sidebar__item {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  height: 30px;
  padding: 0 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  color: var(--ntn-text-secondary);
  font: var(--ntn-text-sm);
  border-radius: var(--ntn-radius-sm);
  transition: background var(--ntn-duration-fast);
}
.ntn-sidebar__item:hover {
  background: var(--ntn-surface-hover);
}

.ntn-sidebar__item-icon {
  font-size: 0.875rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.ntn-sidebar__item--active {
  background: var(--ntn-surface-active);
  color: var(--ntn-text);
}
.ntn-sidebar__item--active:hover {
  background: var(--ntn-surface-active);
}

.ntn-sidebar__item--nested {
  padding-left: 24px;
}

.ntn-sidebar__divider {
  height: 1px;
  background: var(--ntn-gray-5);
  margin: 6px 8px;
  border: none;
}

.ntn-sidebar__footer {
  margin-top: auto;
  padding-top: 8px;
}

.ntn-tabs {
  display: flex;
  border-bottom: 1px solid var(--ntn-gray-5);
  gap: 0;
}

.ntn-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 10px;
  height: 34px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--ntn-text-tertiary);
  font: var(--ntn-text-sm);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  transition: color var(--ntn-duration-fast);
}
.ntn-tab:hover {
  color: var(--ntn-text);
}
.ntn-tab svg {
  width: 14px;
  height: 14px;
}

.ntn-tab--active {
  color: var(--ntn-text);
}
.ntn-tab--active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ntn-text);
  border-radius: 1px 1px 0 0;
}

.ntn-tabs--views {
  border: none;
  gap: 2px;
}
.ntn-tabs--views .ntn-tab {
  height: 28px;
  padding: 0 8px;
  font-size: 0.8125rem;
  border-radius: var(--ntn-radius-sm);
}
.ntn-tabs--views .ntn-tab--active {
  background: var(--ntn-surface-active);
}
.ntn-tabs--views .ntn-tab--active::after {
  display: none;
}
.ntn-tabs--views .ntn-tab:hover:not(.ntn-tab--active) {
  background: var(--ntn-surface-hover);
}

.ntn-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  padding: 0 6px;
  border: none;
  border-radius: var(--ntn-radius-sm);
  background: var(--ntn-gray-4);
  color: var(--ntn-text);
  font: 500 0.75rem/1 var(--ntn-font);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: background var(--ntn-duration-fast);
}
.ntn-chip:hover {
  background: var(--ntn-gray-5);
}
.ntn-chip:active {
  background: var(--ntn-gray-6);
}

.ntn-chip--blue {
  background: var(--ntn-blue-bg);
  color: var(--ntn-blue);
}
.ntn-chip--blue:hover {
  filter: brightness(0.95);
}

.ntn-chip--green {
  background: var(--ntn-green-bg);
  color: var(--ntn-green);
}
.ntn-chip--green:hover {
  filter: brightness(0.95);
}

.ntn-chip--red {
  background: var(--ntn-red-bg);
  color: var(--ntn-red);
}
.ntn-chip--red:hover {
  filter: brightness(0.95);
}

.ntn-chip--orange {
  background: var(--ntn-orange-bg);
  color: var(--ntn-orange);
}
.ntn-chip--orange:hover {
  filter: brightness(0.95);
}

.ntn-chip--yellow {
  background: var(--ntn-yellow-bg);
  color: var(--ntn-yellow);
}
.ntn-chip--yellow:hover {
  filter: brightness(0.95);
}

.ntn-chip--purple {
  background: var(--ntn-purple-bg);
  color: var(--ntn-purple);
}
.ntn-chip--purple:hover {
  filter: brightness(0.95);
}

.ntn-chip--pink {
  background: var(--ntn-pink-bg);
  color: var(--ntn-pink);
}
.ntn-chip--pink:hover {
  filter: brightness(0.95);
}

.ntn-chip--active {
  background: var(--ntn-blue);
  color: white;
}
.ntn-chip--active:hover {
  opacity: 0.9;
  background: var(--ntn-blue);
}

.ntn-chip:disabled,
.ntn-chip[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.ntn-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.ntn-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 15, 0.6);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--ntn-duration-normal), visibility var(--ntn-duration-normal);
}
.ntn-modal-backdrop.ntn-modal-backdrop--open {
  opacity: 1;
  visibility: visible;
}

.ntn-modal {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(440px, 100vw - 32px);
  max-height: calc(100vh - 48px);
  background: var(--ntn-surface);
  color: var(--ntn-text);
  border-radius: var(--ntn-radius-lg);
  box-shadow: var(--ntn-shadow-lg);
  overflow: hidden;
}

.ntn-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 0;
  gap: 12px;
}

.ntn-modal__title {
  font: var(--ntn-text-lg);
  color: var(--ntn-text);
  margin: 0;
}

.ntn-modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--ntn-text-tertiary);
  cursor: pointer;
  border-radius: var(--ntn-radius-sm);
  padding: 0;
  flex-shrink: 0;
  transition: background var(--ntn-duration-fast);
}
.ntn-modal__close:hover {
  background: var(--ntn-surface-hover);
  color: var(--ntn-text);
}

.ntn-modal__body {
  padding: 12px 16px 16px;
  font: var(--ntn-text-base);
  color: var(--ntn-text-secondary);
  overflow-y: auto;
  flex: 1;
}

.ntn-modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: var(--ntn-border-subtle);
}

.ntn-modal--sm {
  width: min(360px, 100vw - 32px);
}

.ntn-modal--lg {
  width: min(560px, 100vw - 32px);
}

.ntn-modal--full {
  width: min(720px, 100vw - 64px);
  max-height: calc(100vh - 64px);
}