/* OsmanBits template kit: shared components. Colours, type, spacing, radius, elevation and motion
come only from the design-system variables in tokens.css (semantic tokens + style contract).
Load order: tokens.css, kit.css, then admin.css / auth.css / marketing.css as the page needs. */
/* ---------- 0. Derived variables (all from tokens) ---------- */
:root {
--k-primary: var(--semantic-action-primary-bg);
--k-on-primary: var(--semantic-action-primary-fg);
--k-primary-hover: var(--semantic-action-primary-hover);
--k-tint: color-mix(in srgb, var(--k-primary) 10%, transparent);
--k-tint-strong: color-mix(in srgb, var(--k-primary) 18%, transparent);
--k-surface: var(--style-surface-container);
--k-surface-high: var(--style-surface-container-high);
--k-page: var(--style-surface-page);
--k-text: var(--style-on-surface);
--k-muted: var(--style-on-surface-variant);
--k-border: var(--style-border-color-container);
--k-divider: var(--style-border-color-divider);
--k-border-strong: var(--style-border-color-control);
--k-hover: color-mix(in srgb, var(--k-text) calc(var(--style-state-hover-opacity) * 100%), transparent);
--k-pressed: color-mix(in srgb, var(--k-text) calc(var(--style-state-pressed-opacity) * 100%), transparent);
--k-ctl-h: var(--style-density-control-height);
--k-ctl-h-sm: 2.5rem;
--k-ctl-h-xs: 2rem;
--k-dur: var(--style-motion-duration-short);
--k-dur-md: var(--style-motion-duration-medium);
--k-ease: var(--style-motion-easing-standard);
--k-ease-em: var(--style-motion-easing-emphasized);
--k-font-display: clamp(var(--font-size-3xl), 2rem + 2.2vw, calc(var(--font-size-3xl) * 1.9));
--k-font-display-sm: clamp(var(--font-size-2xl), 1.5rem + 1.6vw, calc(var(--font-size-3xl) * 1.35));
--k-gradient-brand: linear-gradient(135deg, var(--k-primary), var(--semantic-chart-2));
--k-gradient-soft: linear-gradient(135deg, color-mix(in srgb, var(--k-primary) 14%, var(--k-page)), color-mix(in srgb, var(--semantic-chart-2) 10%, var(--k-page)));
--k-pattern-dot: radial-gradient(color-mix(in srgb, var(--k-text) 9%, transparent) 1px, transparent 1.5px);
--k-pattern-grid: linear-gradient(color-mix(in srgb, var(--k-text) 6%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--k-text) 6%, transparent) 1px, transparent 1px);
--k-backdrop: color-mix(in srgb, var(--semantic-bg-inverse) 45%, transparent);
}
[data-style="neumorphic"] {
--k-border: color-mix(in srgb, var(--style-border-color-control) 55%, transparent);
}
/* ---------- 1. Reset and base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
margin: 0;
min-block-size: 100dvh;
font-family: var(--font-family-sans);
font-size: var(--font-size-md);
line-height: var(--font-line-height-normal);
color: var(--k-text);
background: var(--k-page);
-webkit-font-smoothing: antialiased;
text-rendering: optimizeLegibility;
font-feature-settings: "cv11", "ss01";
}
img, svg, video { display: block; max-inline-size: 100%; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: var(--style-font-weight-heading); line-height: var(--font-line-height-tight); letter-spacing: -0.01em; text-wrap: balance; }
p { margin: 0; }
p + p { margin-block-start: var(--space-3); }
a { color: var(--semantic-text-link); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
ul, ol { margin: 0; padding: 0; }
ul[class], ol[class] { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
button { cursor: pointer; }
hr { border: 0; border-block-start: 1px solid var(--k-divider); margin: var(--space-6) 0; }
code, kbd, pre { font-family: var(--font-family-mono); font-size: 0.9em; }
table { border-collapse: collapse; border-spacing: 0; }
:focus-visible { outline: var(--style-focus-ring-width) solid var(--style-focus-ring-color); outline-offset: var(--style-focus-ring-offset); }
::selection { background: var(--k-tint-strong); }
[hidden] { display: none !important; }
.sr-only { position: absolute !important; inline-size: 1px; block-size: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; inset-block-start: var(--space-2); inset-inline-start: var(--space-2); z-index: 100; padding: var(--space-2) var(--space-4); background: var(--k-primary); color: var(--k-on-primary); border-radius: var(--style-shape-control); font-weight: var(--style-font-weight-control); transform: translateY(-200%); transition: transform var(--k-dur) var(--k-ease); }
.skip-link:focus { transform: none; }
@media (prefers-reduced-motion: reduce) {
html { scroll-behavior: auto; }
*, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
/* ---------- 2. Typography ---------- */
.display { font-size: var(--k-font-display); line-height: 1.05; letter-spacing: -0.03em; font-weight: var(--font-weight-bold); }
.display-sm { font-size: var(--k-font-display-sm); line-height: 1.1; letter-spacing: -0.025em; font-weight: var(--font-weight-bold); }
.h1 { font-size: var(--font-size-3xl); }
.h2 { font-size: var(--font-size-2xl); }
.h3 { font-size: var(--font-size-xl); }
.h4 { font-size: var(--font-size-lg); }
.h5 { font-size: var(--font-size-md); }
.h6 { font-size: var(--font-size-sm); }
.lead { font-size: var(--font-size-lg); color: var(--k-muted); line-height: var(--font-line-height-normal); text-wrap: pretty; }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-lg { font-size: var(--font-size-lg); }
.text-muted { color: var(--k-muted); }
.text-primary { color: var(--k-primary); }
.text-success { color: var(--semantic-chart-positive); }
.text-danger { color: var(--semantic-chart-negative); }
.text-center { text-align: center; }
.text-end { text-align: end; }
.text-start { text-align: start; }
.fw-medium { font-weight: var(--font-weight-medium); }
.fw-bold { font-weight: var(--font-weight-bold); }
.tnum { font-variant-numeric: tabular-nums lining-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }
/* Latin/numeric runs keep their own direction inside RTL layouts (amounts, ids, times, code). */
.tnum, .delta, .stat-value, time, code, kbd, .badge-count, .kpi-foot, .identity-meta, .timeline-time, .table td > a:first-child, .table .text-xs, .chart text, .plan-price { unicode-bidi: plaintext; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.eyebrow { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--font-size-xs); font-weight: var(--font-weight-bold); letter-spacing: 0.08em; text-transform: uppercase; color: var(--k-primary); }
.gradient-text { background: var(--k-gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.prose { max-inline-size: 68ch; }
.prose h2 { margin-block: var(--space-8) var(--space-3); font-size: var(--font-size-xl); }
.prose h3 { margin-block: var(--space-6) var(--space-2); font-size: var(--font-size-lg); }
.prose p, .prose ul, .prose ol { margin-block: 0 var(--space-4); color: var(--k-text); }
.prose ul, .prose ol { padding-inline-start: var(--space-6); }
.prose li + li { margin-block-start: var(--space-1); }
.prose blockquote { margin: var(--space-6) 0; padding-inline-start: var(--space-4); border-inline-start: 3px solid var(--k-primary); color: var(--k-muted); font-style: italic; }
.prose pre { padding: var(--space-4); overflow: auto; background: var(--semantic-bg-inverse); color: var(--semantic-text-inverse); border-radius: var(--style-shape-container); font-size: var(--font-size-sm); }
.prose code:not(pre code) { padding: 0.1em 0.35em; background: var(--k-tint); border-radius: var(--style-radius-sm); }
/* ---------- 3. Layout helpers ---------- */
.container { inline-size: min(100% - 2 * var(--space-6), 76rem); margin-inline: auto; }
.container-narrow { inline-size: min(100% - 2 * var(--space-6), 46rem); margin-inline: auto; }
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.inline-flex { display: inline-flex; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1 1 auto; min-inline-size: 0; }
.shrink-0 { flex-shrink: 0; }
.ms-auto { margin-inline-start: auto; }
.mx-auto { margin-inline: auto; }
.w-full { inline-size: 100%; }
.min-w-0 { min-inline-size: 0; }
.g-1 { gap: var(--space-1); } .g-2 { gap: var(--space-2); } .g-3 { gap: var(--space-3); } .g-4 { gap: var(--space-4); } .g-6 { gap: var(--space-6); } .g-8 { gap: var(--space-8); }
.mt-1 { margin-block-start: var(--space-1); } .mt-2 { margin-block-start: var(--space-2); } .mt-3 { margin-block-start: var(--space-3); } .mt-4 { margin-block-start: var(--space-4); } .mt-6 { margin-block-start: var(--space-6); } .mt-8 { margin-block-start: var(--space-8); } .mt-12 { margin-block-start: var(--space-12); }
.mb-1 { margin-block-end: var(--space-1); } .mb-2 { margin-block-end: var(--space-2); } .mb-3 { margin-block-end: var(--space-3); } .mb-4 { margin-block-end: var(--space-4); } .mb-6 { margin-block-end: var(--space-6); } .mb-8 { margin-block-end: var(--space-8); }
.p-0 { padding: 0 !important; } .p-2 { padding: var(--space-2); } .p-3 { padding: var(--space-3); } .p-4 { padding: var(--space-4); } .p-6 { padding: var(--space-6); }
.grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(var(--cols, 12), minmax(0, 1fr)); }
.grid-auto { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(var(--min, 16rem), 1fr)); }
.span-12 { grid-column: span 12; } .span-8 { grid-column: span 8; } .span-7 { grid-column: span 7; } .span-6 { grid-column: span 6; } .span-5 { grid-column: span 5; } .span-4 { grid-column: span 4; } .span-3 { grid-column: span 3; } .span-9 { grid-column: span 9; }
@media (max-width: 1100px) { .span-8, .span-7, .span-6, .span-5, .span-9 { grid-column: span 12; } .span-4, .span-3 { grid-column: span 6; } }
@media (max-width: 640px) { .span-4, .span-3 { grid-column: span 12; } }
.stack > * + * { margin-block-start: var(--space-4); }
.stack-sm > * + * { margin-block-start: var(--space-2); }
.stack-lg > * + * { margin-block-start: var(--space-8); }
.divider { border: 0; border-block-start: 1px solid var(--k-divider); margin: 0; }
.divider-v { inline-size: 1px; align-self: stretch; background: var(--k-divider); }
.hide-sm { display: revert; }
@media (max-width: 640px) { .hide-sm { display: none !important; } }
@media (max-width: 900px) { .hide-md { display: none !important; } }
@media (min-width: 901px) { .show-md { display: none !important; } }
.icon { inline-size: 1.25rem; block-size: 1.25rem; flex: none; }
i[data-icon] { display: inline-block; inline-size: 1.25rem; block-size: 1.25rem; flex: none; border-radius: var(--style-radius-sm); background: color-mix(in srgb, currentColor 18%, transparent); }
.icon-sm { inline-size: 1rem; block-size: 1rem; }
.icon-lg { inline-size: 1.5rem; block-size: 1.5rem; }
.icon-xl { inline-size: 2rem; block-size: 2rem; }
.icon-box { display: inline-grid; place-items: center; inline-size: 2.75rem; block-size: 2.75rem; border-radius: var(--style-shape-control); background: var(--k-tint); color: var(--k-primary); flex: none; }
.icon-box-lg { inline-size: 3.5rem; block-size: 3.5rem; border-radius: var(--style-shape-container); }
.icon-box[data-tint="1"] { background: var(--semantic-tint-1-bg); color: var(--semantic-tint-1-fg); }
.icon-box[data-tint="2"] { background: var(--semantic-tint-2-bg); color: var(--semantic-tint-2-fg); }
.icon-box[data-tint="3"] { background: var(--semantic-tint-3-bg); color: var(--semantic-tint-3-fg); }
.icon-box[data-tint="4"] { background: var(--semantic-tint-4-bg); color: var(--semantic-tint-4-fg); }
.icon-box[data-tint="5"] { background: var(--semantic-tint-5-bg); color: var(--semantic-tint-5-fg); }
.icon-box[data-tint="6"] { background: var(--semantic-tint-6-bg); color: var(--semantic-tint-6-fg); }
/* ---------- 4. Buttons ---------- */
.btn {
--_bg: var(--k-primary); --_fg: var(--k-on-primary); --_bd: var(--k-primary); --_state: 0;
position: relative; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
min-block-size: var(--k-ctl-h); padding-block: var(--space-2); padding-inline: var(--style-density-control-padding-inline);
font-size: var(--font-size-md); font-weight: var(--style-font-weight-control); letter-spacing: var(--style-letter-spacing-control); line-height: var(--font-line-height-tight);
color: var(--_fg); background: var(--_bg); border: var(--style-border-width-control) solid var(--_bd); border-radius: var(--style-shape-control);
box-shadow: var(--style-elevation-control); text-decoration: none; white-space: nowrap; cursor: pointer; -webkit-tap-highlight-color: transparent; isolation: isolate;
transition: box-shadow var(--k-dur) var(--k-ease), transform var(--k-dur) var(--k-ease);
}
.btn::before { content: ''; position: absolute; inset: 0; border-radius: inherit; background: currentColor; opacity: var(--_state); pointer-events: none; transition: opacity var(--k-dur) var(--k-ease); }
.btn > * { position: relative; }
.btn:hover { --_state: var(--style-state-hover-opacity); box-shadow: var(--style-elevation-control-hover); }
.btn:active { --_state: var(--style-state-pressed-opacity); box-shadow: var(--style-elevation-control-pressed); transform: translateY(0.5px); }
.btn:focus-visible { --_state: var(--style-state-focus-opacity); }
.btn:disabled, .btn[aria-disabled="true"] { --_state: 0; color: color-mix(in srgb, var(--k-text) 38%, transparent); background: color-mix(in srgb, var(--k-text) 12%, transparent); border-color: transparent; box-shadow: none; cursor: not-allowed; transform: none; }
.btn-secondary { --_bg: var(--style-surface-control); --_fg: var(--semantic-action-secondary-fg); --_bd: var(--style-border-color-control); }
.btn-outline { --_bg: transparent; --_fg: var(--k-text); --_bd: var(--style-border-color-control); box-shadow: none; }
.btn-ghost { --_bg: transparent; --_fg: var(--k-text); --_bd: transparent; box-shadow: none; }
.btn-ghost:hover { box-shadow: none; }
.btn-soft { --_bg: var(--k-tint); --_fg: var(--k-primary); --_bd: transparent; box-shadow: none; }
.btn-danger { --_bg: var(--semantic-status-danger-fg); --_fg: var(--semantic-status-danger-bg); --_bd: var(--semantic-status-danger-fg); }
.btn-success { --_bg: var(--semantic-status-success-fg); --_fg: var(--semantic-status-success-bg); --_bd: var(--semantic-status-success-fg); }
.btn-inverse { --_bg: var(--semantic-bg-inverse); --_fg: var(--semantic-text-inverse); --_bd: var(--semantic-bg-inverse); }
.btn-link { --_bg: transparent; --_fg: var(--semantic-text-link); --_bd: transparent; box-shadow: none; padding-inline: var(--space-1); text-decoration: underline; text-underline-offset: 0.2em; }
.btn-sm { min-block-size: var(--k-ctl-h-sm); padding-inline: var(--space-4); font-size: var(--font-size-sm); }
.btn-xs { min-block-size: var(--k-ctl-h-xs); padding-inline: var(--space-3); font-size: var(--font-size-xs); gap: var(--space-1); }
.btn-lg { min-block-size: calc(var(--k-ctl-h) + 0.5rem); padding-inline: var(--space-8); font-size: var(--font-size-lg); }
.btn-icon { inline-size: var(--k-ctl-h); padding-inline: 0; }
.btn-icon.btn-sm { inline-size: var(--k-ctl-h-sm); }
.btn-icon.btn-xs { inline-size: var(--k-ctl-h-xs); }
.btn-block { inline-size: 100%; }
.btn-pill { border-radius: var(--style-radius-full); }
.btn-gradient { --_bg: transparent; --_bd: transparent; background-image: var(--k-gradient-brand); color: var(--k-on-primary); }
.btn[data-loading] { color: transparent !important; pointer-events: none; }
.btn[data-loading]::after { content: ''; position: absolute; inset: 0; margin: auto; inline-size: 1.1em; block-size: 1.1em; border: 2px solid var(--_fg); border-inline-end-color: transparent; border-radius: 50%; animation: k-spin 0.8s linear infinite; }
.btn-group { display: inline-flex; }
.btn-group > .btn { border-radius: 0; }
.btn-group > .btn:first-child { border-start-start-radius: var(--style-shape-control); border-end-start-radius: var(--style-shape-control); }
.btn-group > .btn:last-child { border-start-end-radius: var(--style-shape-control); border-end-end-radius: var(--style-shape-control); }
.btn-group > .btn + .btn { margin-inline-start: calc(-1 * var(--style-border-width-control)); }
.btn-group > .btn[aria-pressed="true"] { --_bg: var(--k-tint-strong); --_fg: var(--k-primary); --_bd: var(--k-primary); z-index: 1; }
.seg { display: inline-flex; padding: var(--space-1); gap: var(--space-1); background: var(--style-surface-control); border: var(--style-border-width-control) solid var(--k-border); border-radius: var(--style-shape-control); }
.seg > button { min-block-size: calc(var(--k-ctl-h-sm) - 0.5rem); padding-inline: var(--space-3); border: 0; border-radius: calc(var(--style-shape-control) - 0.2rem); background: transparent; color: var(--k-muted); font-weight: var(--font-weight-medium); font-size: var(--font-size-sm); display: inline-flex; align-items: center; gap: var(--space-2); transition: background var(--k-dur) var(--k-ease), color var(--k-dur) var(--k-ease); }
.seg > button[aria-pressed="true"], .seg > button[aria-selected="true"] { background: var(--k-surface); color: var(--k-text); box-shadow: var(--style-elevation-1); }
.seg > button:hover:not([aria-pressed="true"]) { color: var(--k-text); }
[data-style="neumorphic"] .seg > button[aria-pressed="true"] { box-shadow: var(--style-elevation-control); }
@keyframes k-spin { to { transform: rotate(360deg); } }
/* ---------- 5. Forms ---------- */
.field { display: flex; flex-direction: column; gap: var(--space-2); min-inline-size: 0; }
.field-row { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.field-row > .field { flex: 1 1 14rem; }
.label { font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); color: var(--k-text); display: flex; align-items: center; gap: var(--space-2); }
.label .req { color: var(--semantic-status-danger-fg); }
.label-hint { margin-inline-start: auto; font-weight: var(--font-weight-regular); color: var(--k-muted); font-size: var(--font-size-xs); }
.input, .select, .textarea {
inline-size: 100%; min-block-size: var(--k-ctl-h); padding-block: var(--space-2); padding-inline: var(--style-density-field-padding-inline);
color: var(--k-text); background: var(--style-surface-field); border: var(--style-field-border-width) solid var(--style-field-border-color); border-radius: var(--style-shape-field);
box-shadow: var(--style-field-shadow); transition: border-color var(--k-dur) var(--k-ease), box-shadow var(--k-dur) var(--k-ease);
border-block-end-width: calc(var(--style-field-border-width) + var(--style-field-indicator-width));
}
.textarea { min-block-size: 7rem; resize: vertical; line-height: var(--font-line-height-normal); padding-block: var(--space-3); }
.input::placeholder, .textarea::placeholder { color: var(--k-muted); opacity: 1; }
.input:hover, .select:hover, .textarea:hover { border-color: var(--k-text); }
.input:focus, .select:focus, .textarea:focus { border-color: var(--style-focus-ring-color); }
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--style-border-color-error); }
.input:disabled, .select:disabled, .textarea:disabled { color: color-mix(in srgb, var(--k-text) 38%, transparent); border-color: color-mix(in srgb, var(--k-text) 12%, transparent); background: color-mix(in srgb, var(--k-text) 4%, var(--style-surface-field)); box-shadow: none; cursor: not-allowed; }
.input-sm, .select-sm { min-block-size: var(--k-ctl-h-sm); font-size: var(--font-size-sm); }
.select { appearance: none; padding-inline-end: calc(var(--style-density-field-padding-inline) + 1.5rem); cursor: pointer; }
.select-wrap { position: relative; display: block; }
.select-wrap::after { content: ''; position: absolute; inset-inline-end: var(--space-3); inset-block-start: 50%; inline-size: 1.1rem; block-size: 1.1rem; transform: translateY(-50%); background: var(--k-muted); mask: url("data:image/svg+xml;utf8,") center / contain no-repeat; pointer-events: none; }
.input-group { position: relative; display: flex; align-items: center; }
.input-group > .input { padding-inline-start: 2.75rem; }
.input-group > .icon, .input-group > .input-affix { position: absolute; inset-inline-start: var(--space-3); color: var(--k-muted); pointer-events: none; }
.input-group > .input-affix { font-size: var(--font-size-sm); }
.input-group[data-affix="end"] > .input { padding-inline-start: var(--style-density-field-padding-inline); padding-inline-end: 2.75rem; }
.input-group[data-affix="end"] > .icon, .input-group[data-affix="end"] > .input-affix, .input-group > .input-action { inset-inline-start: auto; inset-inline-end: var(--space-3); }
.input-group > .input-action { position: absolute; pointer-events: auto; }
.hint { font-size: var(--font-size-xs); color: var(--k-muted); }
.error-text { display: flex; align-items: center; gap: var(--space-1); font-size: var(--font-size-xs); color: var(--semantic-status-danger-fg); font-weight: var(--font-weight-medium); }
.error-text .icon { inline-size: 0.95rem; block-size: 0.95rem; }
.check, .radio { display: inline-flex; align-items: flex-start; gap: var(--space-3); cursor: pointer; font-size: var(--font-size-sm); min-block-size: 1.5rem; }
.check input, .radio input { appearance: none; flex: none; inline-size: 1.25rem; block-size: 1.25rem; margin: 0.125rem 0 0; border: var(--style-border-width-control) solid var(--style-border-color-control); border-radius: var(--style-shape-checkbox); background: var(--style-surface-field); display: grid; place-items: center; cursor: pointer; transition: background var(--k-dur) var(--k-ease), border-color var(--k-dur) var(--k-ease); }
.radio input { border-radius: 50%; }
.check input::after { content: ''; inline-size: 0.7rem; block-size: 0.4rem; border: 2.5px solid var(--k-on-primary); border-block-start: 0; border-inline-end: 0; transform: rotate(-45deg) translate(1px, -1px) scale(0); transition: transform var(--k-dur) var(--k-ease-em); }
.radio input::after { content: ''; inline-size: 0.55rem; block-size: 0.55rem; border-radius: 50%; background: var(--k-on-primary); transform: scale(0); transition: transform var(--k-dur) var(--k-ease-em); }
.check input:checked, .radio input:checked { background: var(--k-primary); border-color: var(--k-primary); }
.check input:checked::after { transform: rotate(-45deg) translate(1px, -1px) scale(1); }
.check input:indeterminate { background: var(--k-primary); border-color: var(--k-primary); }
.check input:indeterminate::after { inline-size: 0.6rem; block-size: 0; border-block-end: 2.5px solid var(--k-on-primary); border-inline-start: 0; transform: none; }
.radio input:checked::after { transform: scale(1); }
.check input:disabled, .radio input:disabled { opacity: 0.4; cursor: not-allowed; }
.switch { display: inline-flex; align-items: center; gap: var(--space-3); cursor: pointer; font-size: var(--font-size-sm); }
.switch input { appearance: none; flex: none; inline-size: 2.75rem; block-size: 1.6rem; margin: 0; border-radius: var(--style-shape-switch); background: var(--style-surface-control); border: var(--style-border-width-control) solid var(--style-border-color-control); position: relative; cursor: pointer; transition: background var(--k-dur) var(--k-ease), border-color var(--k-dur) var(--k-ease); box-shadow: var(--style-elevation-inset); }
.switch input::after { content: ''; position: absolute; inset-block-start: 50%; inset-inline-start: 0.2rem; inline-size: 1.05rem; block-size: 1.05rem; border-radius: 50%; background: var(--style-switch-thumb-off); transform: translateY(-50%); transition: transform var(--k-dur-md) var(--k-ease-em), background var(--k-dur) var(--k-ease); }
.switch input:checked { background: var(--k-primary); border-color: var(--k-primary); box-shadow: none; }
.switch input:checked::after { background: var(--k-on-primary); transform: translate(1.15rem, -50%); }
[dir="rtl"] .switch input:checked::after { transform: translate(-1.15rem, -50%); }
.switch input:disabled { opacity: 0.4; cursor: not-allowed; }
.switch-row { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); padding-block: var(--space-4); }
.switch-row + .switch-row { border-block-start: 1px solid var(--k-divider); }
.switch-row .switch { flex-direction: row-reverse; margin-inline-start: auto; }
.otp { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.otp .input { inline-size: 3rem; padding-inline: 0; text-align: center; font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); font-variant-numeric: tabular-nums; }
.range { appearance: none; inline-size: 100%; block-size: 1.5rem; background: transparent; }
.range::-webkit-slider-runnable-track { block-size: 0.375rem; border-radius: var(--style-radius-full); background: linear-gradient(to right, var(--k-primary) var(--val, 50%), var(--style-surface-control) var(--val, 50%)); }
.range::-webkit-slider-thumb { appearance: none; inline-size: 1.25rem; block-size: 1.25rem; margin-block-start: -0.44rem; border-radius: 50%; background: var(--k-surface); border: 2px solid var(--k-primary); box-shadow: var(--style-elevation-1); }
.file-drop { display: grid; place-items: center; gap: var(--space-2); padding: var(--space-8); text-align: center; border: 2px dashed var(--style-border-color-control); border-radius: var(--style-shape-container); color: var(--k-muted); background: color-mix(in srgb, var(--k-primary) 3%, transparent); transition: border-color var(--k-dur) var(--k-ease), background var(--k-dur) var(--k-ease); }
.file-drop:hover, .file-drop:focus-within { border-color: var(--k-primary); background: var(--k-tint); }
/* ---------- 6. Cards and surfaces ---------- */
.card { position: relative; display: flex; flex-direction: column; min-inline-size: 0; background: var(--k-surface); color: var(--k-text); border: var(--style-border-width-container) solid var(--k-border); border-radius: var(--style-shape-container); box-shadow: var(--style-elevation-1); }
.card-header { display: flex; flex-wrap: wrap; align-items: flex-start; gap: var(--space-3); padding: var(--style-density-container-padding); padding-block-end: 0; }
.card-header > :first-child:not(.card-actions) { flex: 1 1 10rem; min-inline-size: 0; }
.card-header.bordered { padding-block-end: var(--space-4); border-block-end: 1px solid var(--k-divider); }
.card-title { font-size: var(--font-size-md); font-weight: var(--style-font-weight-heading); line-height: var(--font-line-height-tight); }
.card-sub { margin-block-start: var(--space-1); font-size: var(--font-size-sm); color: var(--k-muted); }
.card-actions { margin-inline-start: auto; display: flex; align-items: center; gap: var(--space-2); flex: none; }
.card-body { padding: var(--style-density-container-padding); flex: 1 1 auto; min-inline-size: 0; }
.card-body.dense { padding: var(--space-4); }
.card-footer { padding: var(--space-4) var(--style-density-container-padding); border-block-start: 1px solid var(--k-divider); display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.card-outlined { box-shadow: var(--style-elevation-0); border: var(--style-border-width-control) solid var(--style-border-color-control); }
.card-flat { box-shadow: none; }
.card-raised { box-shadow: var(--style-elevation-2); }
.card-interactive { transition: box-shadow var(--k-dur-md) var(--k-ease), transform var(--k-dur-md) var(--k-ease), border-color var(--k-dur) var(--k-ease); text-decoration: none; color: inherit; }
.card-interactive:hover { box-shadow: var(--style-elevation-3); transform: translateY(-2px); }
.card-gradient { background: var(--k-gradient-brand); color: var(--k-on-primary); border-color: transparent; }
.card-gradient .text-muted { color: color-mix(in srgb, var(--k-on-primary) 80%, transparent); }
.card-soft { background: var(--k-gradient-soft); }
.card-pattern { background-image: var(--k-pattern-dot); background-size: 14px 14px; }
[data-style="material"] .card { box-shadow: none; }
[data-style="material"] .card-raised { box-shadow: var(--style-elevation-1); }
[data-style="neumorphic"] .card { box-shadow: var(--style-elevation-2); }
.card .card + .card, .card-inset { background: var(--k-surface-high); box-shadow: none; }
.surface { background: var(--k-surface); border: var(--style-border-width-container) solid var(--k-border); border-radius: var(--style-shape-container); }
.well { background: var(--k-surface-high); border-radius: var(--style-shape-container); padding: var(--space-4); }
[data-style="neumorphic"] .well { box-shadow: var(--style-elevation-inset); }
/* ---------- 7. Badges, chips, status ---------- */
.badge { --_fg: var(--semantic-action-secondary-fg); --_bg: var(--semantic-action-secondary-bg); display: inline-flex; align-items: center; gap: var(--space-1); max-inline-size: 100%; padding: 0.15rem var(--space-2); font-size: var(--font-size-xs); font-weight: var(--font-weight-medium); line-height: 1.4; color: var(--_fg); background: var(--_bg); border: 1px solid color-mix(in srgb, currentColor 35%, transparent); border-radius: var(--style-shape-badge); white-space: nowrap; }
.badge .icon { inline-size: 0.85rem; block-size: 0.85rem; }
.badge[data-tone="info"] { --_fg: var(--semantic-status-info-fg); --_bg: var(--semantic-status-info-bg); }
.badge[data-tone="success"] { --_fg: var(--semantic-status-success-fg); --_bg: var(--semantic-status-success-bg); }
.badge[data-tone="warning"] { --_fg: var(--semantic-status-warning-fg); --_bg: var(--semantic-status-warning-bg); }
.badge[data-tone="danger"] { --_fg: var(--semantic-status-danger-fg); --_bg: var(--semantic-status-danger-bg); }
.badge[data-tone="primary"] { --_fg: var(--k-on-primary); --_bg: var(--k-primary); border-color: transparent; }
.badge[data-tone="soft"] { --_fg: var(--k-primary); --_bg: var(--k-tint); }
.badge[data-tint="1"] { --_fg: var(--semantic-tint-1-fg); --_bg: var(--semantic-tint-1-bg); }
.badge[data-tint="2"] { --_fg: var(--semantic-tint-2-fg); --_bg: var(--semantic-tint-2-bg); }
.badge[data-tint="3"] { --_fg: var(--semantic-tint-3-fg); --_bg: var(--semantic-tint-3-bg); }
.badge[data-tint="4"] { --_fg: var(--semantic-tint-4-fg); --_bg: var(--semantic-tint-4-bg); }
.badge[data-tint="5"] { --_fg: var(--semantic-tint-5-fg); --_bg: var(--semantic-tint-5-bg); }
.badge[data-tint="6"] { --_fg: var(--semantic-tint-6-fg); --_bg: var(--semantic-tint-6-bg); }
.badge-dot::before { content: ''; inline-size: 0.45rem; block-size: 0.45rem; border-radius: 50%; background: currentColor; }
.badge-count { min-inline-size: 1.25rem; block-size: 1.25rem; padding-inline: 0.35rem; justify-content: center; border-radius: var(--style-radius-full); font-variant-numeric: tabular-nums; border: 0; }
.status-dot { display: inline-block; inline-size: 0.6rem; block-size: 0.6rem; border-radius: 50%; background: var(--k-muted); flex: none; }
.status-dot[data-tone="success"] { background: var(--semantic-chart-positive); }
.status-dot[data-tone="danger"] { background: var(--semantic-chart-negative); }
.status-dot[data-tone="warning"] { background: var(--semantic-status-warning-fg); }
.status-dot[data-tone="info"] { background: var(--semantic-status-info-fg); }
.status-dot.pulse { position: relative; }
.status-dot.pulse::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid currentColor; color: inherit; opacity: 0; animation: k-pulse 1.8s var(--k-ease) infinite; }
@keyframes k-pulse { 0% { transform: scale(0.6); opacity: 0.6; } 100% { transform: scale(1.3); opacity: 0; } }
.chip { display: inline-flex; align-items: center; gap: var(--space-2); min-block-size: var(--k-ctl-h-xs); padding-inline: var(--space-3); font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); color: var(--k-text); background: var(--style-surface-control); border: var(--style-border-width-control) solid var(--k-border); border-radius: var(--style-radius-full); cursor: pointer; transition: background var(--k-dur) var(--k-ease), border-color var(--k-dur) var(--k-ease); }
.chip:hover { border-color: var(--k-border-strong); }
a.chip { text-decoration: none; }
.chip[aria-pressed="true"], .chip.is-active { background: var(--k-tint-strong); color: var(--k-primary); border-color: var(--k-primary); }
.chip .icon { inline-size: 1rem; block-size: 1rem; }
.chip-remove { display: inline-grid; place-items: center; inline-size: 1.25rem; block-size: 1.25rem; margin-inline-end: calc(-1 * var(--space-1)); border: 0; border-radius: 50%; background: transparent; color: inherit; }
.chip-remove:hover { background: var(--k-hover); }
.kbd { display: inline-flex; align-items: center; justify-content: center; min-inline-size: 1.5rem; block-size: 1.5rem; padding-inline: 0.4rem; font-family: var(--font-family-sans); font-size: var(--font-size-xs); font-weight: var(--font-weight-medium); color: var(--k-muted); background: var(--k-surface); border: 1px solid var(--k-border-strong); border-block-end-width: 2px; border-radius: var(--style-radius-sm); }
.delta { display: inline-flex; align-items: center; gap: 0.2rem; white-space: nowrap; font-size: var(--font-size-xs); font-weight: var(--font-weight-bold); font-variant-numeric: tabular-nums; padding: 0.1rem 0.4rem; border-radius: var(--style-radius-full); }
.delta .icon { inline-size: 0.85rem; block-size: 0.85rem; }
.delta[data-trend="up"] { color: var(--semantic-status-success-fg); background: var(--semantic-status-success-bg); }
.delta[data-trend="down"] { color: var(--semantic-status-danger-fg); background: var(--semantic-status-danger-bg); }
.delta[data-trend="flat"] { color: var(--k-muted); background: var(--style-surface-control); }
/* ---------- 8. Avatars ---------- */
.avatar { --_size: 2.5rem; position: relative; display: inline-grid; place-items: center; flex: none; inline-size: var(--_size); block-size: var(--_size); border-radius: 50%; font-size: calc(var(--_size) * 0.38); font-weight: var(--font-weight-bold); letter-spacing: 0.02em; color: var(--semantic-tint-1-fg); background: var(--semantic-tint-1-bg); overflow: visible; user-select: none; }
.avatar-xs { --_size: 1.5rem; } .avatar-sm { --_size: 2rem; } .avatar-lg { --_size: 3.5rem; } .avatar-xl { --_size: 5rem; } .avatar-2xl { --_size: 7rem; }
.avatar-square { border-radius: var(--style-shape-control); }
.avatar[data-tint="2"] { color: var(--semantic-tint-2-fg); background: var(--semantic-tint-2-bg); }
.avatar[data-tint="3"] { color: var(--semantic-tint-3-fg); background: var(--semantic-tint-3-bg); }
.avatar[data-tint="4"] { color: var(--semantic-tint-4-fg); background: var(--semantic-tint-4-bg); }
.avatar[data-tint="5"] { color: var(--semantic-tint-5-fg); background: var(--semantic-tint-5-bg); }
.avatar[data-tint="6"] { color: var(--semantic-tint-6-fg); background: var(--semantic-tint-6-bg); }
.avatar .icon { inline-size: 55%; block-size: 55%; }
.avatar-status { position: absolute; inset-block-end: 0; inset-inline-end: 0; inline-size: 28%; block-size: 28%; min-inline-size: 0.6rem; min-block-size: 0.6rem; border-radius: 50%; background: var(--semantic-chart-positive); box-shadow: 0 0 0 2px var(--k-surface); }
.avatar-status[data-tone="away"] { background: var(--semantic-status-warning-fg); }
.avatar-status[data-tone="busy"] { background: var(--semantic-chart-negative); }
.avatar-status[data-tone="offline"] { background: var(--k-muted); }
.avatar-group { display: inline-flex; }
.avatar-group .avatar { box-shadow: 0 0 0 2px var(--k-surface); }
.avatar-group .avatar + .avatar { margin-inline-start: calc(var(--_size) * -0.2); }
.avatar-group .avatar { font-size: calc(var(--_size) * 0.34); }
.avatar-group .avatar-more { background: var(--style-surface-control); color: var(--k-muted); font-size: calc(var(--_size) * 0.32); }
.identity { display: flex; align-items: center; gap: var(--space-3); min-inline-size: 0; }
.identity-name { font-weight: var(--font-weight-medium); line-height: var(--font-line-height-tight); }
.identity-meta { font-size: var(--font-size-xs); color: var(--k-muted); margin-block-start: 0.15rem; }
.identity > div { min-inline-size: 0; }
.identity > div > * { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* ---------- 9. Tables ---------- */
.table-wrap { inline-size: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { inline-size: 100%; font-size: var(--font-size-sm); }
.table th, .table td { padding: var(--space-3) var(--space-4); text-align: start; vertical-align: middle; border-block-end: 1px solid var(--k-divider); }
.table th { font-size: var(--font-size-xs); font-weight: var(--font-weight-bold); letter-spacing: 0.04em; text-transform: uppercase; color: var(--k-muted); background: color-mix(in srgb, var(--k-text) 3%, var(--k-surface)); white-space: nowrap; }
.table thead th { position: sticky; inset-block-start: 0; z-index: 1; }
.table tbody tr { transition: background var(--k-dur) var(--k-ease); }
.table tbody tr:hover { background: color-mix(in srgb, var(--k-text) 3%, transparent); }
.table tbody tr[aria-selected="true"] { background: var(--k-tint); }
.table tbody tr:last-child td { border-block-end: 0; }
.table .num { text-align: end; font-variant-numeric: tabular-nums; white-space: nowrap; }
.table th.num .th-sort { justify-content: flex-end; }
.table th:last-child:has(> .sr-only:only-child) { inline-size: 6.5rem; }
.table .row-actions { white-space: nowrap; }
.table td > a:first-child, .table [data-col="date"], .table time { white-space: nowrap; }
.table .row-actions { opacity: 0.55; transition: opacity var(--k-dur) var(--k-ease); justify-content: flex-end; }
.table tr:hover .row-actions, .table tr:focus-within .row-actions { opacity: 1; }
.table-dense th, .table-dense td { padding-block: var(--space-2); }
.table-card .table th:first-child, .table-card .table td:first-child { padding-inline-start: var(--style-density-container-padding); }
.table-card .table th:last-child, .table-card .table td:last-child { padding-inline-end: var(--style-density-container-padding); }
.th-sort { display: inline-flex; align-items: center; gap: var(--space-1); background: none; border: 0; padding: 0; font: inherit; color: inherit; text-transform: inherit; letter-spacing: inherit; cursor: pointer; border-radius: var(--style-radius-sm); }
.th-sort .icon { inline-size: 0.9rem; block-size: 0.9rem; opacity: 0.5; }
th[aria-sort="ascending"] .th-sort .icon, th[aria-sort="descending"] .th-sort .icon { opacity: 1; color: var(--k-primary); }
th[aria-sort="descending"] .th-sort .icon { transform: rotate(180deg); }
.table-toolbar { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; padding: var(--space-4) var(--style-density-container-padding); border-block-end: 1px solid var(--k-divider); }
.table-toolbar .input-group { flex: 1 1 14rem; max-inline-size: 22rem; }
.bulk-bar { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--style-density-container-padding); background: var(--k-tint); border-block-end: 1px solid var(--k-divider); font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); color: var(--k-primary); }
.table-footer { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; justify-content: space-between; padding: var(--space-3) var(--style-density-container-padding); font-size: var(--font-size-sm); color: var(--k-muted); border-block-start: 1px solid var(--k-divider); }
/* ---------- 10. Navigation: tabs, breadcrumb, pagination, stepper, menus ---------- */
.tabs { display: flex; gap: var(--space-1); border-block-end: 1px solid var(--k-divider); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { position: relative; display: inline-flex; align-items: center; gap: var(--space-2); min-block-size: var(--k-ctl-h-sm); padding-inline: var(--space-3); margin-block-end: -1px; border: 0; background: none; color: var(--k-muted); font-weight: var(--font-weight-medium); font-size: var(--font-size-sm); white-space: nowrap; text-decoration: none; border-radius: var(--style-radius-sm) var(--style-radius-sm) 0 0; transition: color var(--k-dur) var(--k-ease); }
.tab::after { content: ''; position: absolute; inset-inline: var(--space-2); inset-block-end: 0; block-size: 2px; border-radius: var(--style-shape-tab-indicator); background: var(--k-primary); transform: scaleX(0); transition: transform var(--k-dur-md) var(--k-ease-em); }
.tab:hover { color: var(--k-text); background: var(--k-hover); }
.tab[aria-selected="true"], .tab[aria-current="page"] { color: var(--k-primary); font-weight: var(--font-weight-bold); }
.tab[aria-selected="true"]::after, .tab[aria-current="page"]::after { transform: scaleX(1); }
.tab .badge { margin-inline-start: var(--space-1); }
.tabs-pills { border: 0; gap: var(--space-2); }
.tabs-pills .tab { border-radius: var(--style-radius-full); }
.tabs-pills .tab::after { display: none; }
.tabs-pills .tab[aria-selected="true"] { background: var(--k-tint-strong); }
.tabs-vertical { flex-direction: column; border: 0; border-inline-end: 1px solid var(--k-divider); }
.tabs-vertical .tab { justify-content: flex-start; margin: 0 -1px 0 0; border-radius: var(--style-shape-control); }
.tabs-vertical .tab::after { inset-inline: auto; inset-inline-end: -1px; inset-block: var(--space-2); inline-size: 2px; block-size: auto; transform: scaleY(0); }
.tabs-vertical .tab[aria-selected="true"]::after { transform: scaleY(1); }
[role="tabpanel"]:focus-visible { outline-offset: var(--space-2); }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-1); font-size: var(--font-size-sm); color: var(--k-muted); }
.breadcrumb a { color: inherit; text-decoration: none; padding: 0.1rem 0.25rem; border-radius: var(--style-radius-sm); }
.breadcrumb a:hover { color: var(--k-text); background: var(--k-hover); }
.breadcrumb li { display: inline-flex; align-items: center; gap: var(--space-1); }
.breadcrumb li + li::before { content: ''; inline-size: 0.9rem; block-size: 0.9rem; background: currentColor; opacity: 0.5; mask: url("data:image/svg+xml;utf8,") center / contain no-repeat; }
[dir="rtl"] .breadcrumb li + li::before { transform: scaleX(-1); }
.breadcrumb [aria-current="page"] { color: var(--k-text); font-weight: var(--font-weight-medium); }
.pagination { display: flex; align-items: center; gap: var(--space-1); }
.pagination a, .pagination button, .pagination span { display: inline-grid; place-items: center; min-inline-size: var(--k-ctl-h-sm); block-size: var(--k-ctl-h-sm); padding-inline: var(--space-2); border: 0; border-radius: var(--style-shape-control); background: transparent; color: var(--k-text); font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); font-variant-numeric: tabular-nums; text-decoration: none; transition: background var(--k-dur) var(--k-ease); }
.pagination a:hover, .pagination button:hover:not(:disabled) { background: var(--k-hover); }
.pagination [aria-current="page"] { background: var(--k-primary); color: var(--k-on-primary); }
.pagination button:disabled { color: color-mix(in srgb, var(--k-text) 35%, transparent); cursor: not-allowed; }
.stepper { display: flex; gap: var(--space-2); counter-reset: step; }
.stepper li { flex: 1; display: flex; align-items: center; gap: var(--space-3); min-inline-size: 0; font-size: var(--font-size-sm); color: var(--k-muted); }
.stepper li::before { counter-increment: step; content: counter(step); display: grid; place-items: center; flex: none; inline-size: 2rem; block-size: 2rem; border-radius: 50%; border: 2px solid var(--k-border-strong); font-weight: var(--font-weight-bold); font-size: var(--font-size-xs); }
.stepper li::after { content: ''; flex: 1; block-size: 2px; background: var(--k-divider); border-radius: 2px; }
.stepper li:last-child::after { display: none; }
.stepper li[data-state="done"] { position: relative; }
.stepper li[data-state="done"]::before { content: ''; background: var(--k-primary); border-color: var(--k-primary); }
.stepper li[data-state="done"] > .step-check { position: absolute; inset-inline-start: 0.5rem; inset-block-start: 0.5rem; inline-size: 1rem; block-size: 1rem; background: var(--k-on-primary); mask: url("data:image/svg+xml;utf8,") center / contain no-repeat; pointer-events: none; }
.stepper li[data-state="done"]::after { background: var(--k-primary); }
.stepper li[data-state="current"] { color: var(--k-text); font-weight: var(--font-weight-bold); }
.stepper li[data-state="current"]::before { border-color: var(--k-primary); color: var(--k-primary); box-shadow: 0 0 0 4px var(--k-tint); }
.stepper-vertical { flex-direction: column; gap: 0; }
.stepper-vertical li { align-items: flex-start; padding-block-end: var(--space-6); position: relative; }
.stepper-vertical li::after { position: absolute; inset-inline-start: calc(1rem - 1px); inset-block: 2rem 0; inline-size: 2px; block-size: auto; }
.menu { min-inline-size: 13rem; padding: var(--space-2); background: var(--k-surface-high); border: var(--style-border-width-container) solid var(--k-border); border-radius: var(--style-shape-container); box-shadow: var(--style-elevation-3); }
.menu-item { display: flex; align-items: center; gap: var(--space-3); inline-size: 100%; min-block-size: 2.5rem; padding: var(--space-2) var(--space-3); border: 0; border-radius: var(--style-shape-control); background: none; color: var(--k-text); font-size: var(--font-size-sm); text-align: start; text-decoration: none; cursor: pointer; transition: background var(--k-dur) var(--k-ease); }
.menu-item:hover, .menu-item:focus-visible { background: var(--k-hover); outline-offset: -2px; }
.menu-item .icon { color: var(--k-muted); }
.menu-item[data-tone="danger"] { color: var(--semantic-status-danger-fg); }
.menu-item[data-tone="danger"] .icon { color: inherit; }
.menu-item .kbd { margin-inline-start: auto; }
.menu-sep { border: 0; border-block-start: 1px solid var(--k-divider); margin: var(--space-2) 0; }
.menu-label { padding: var(--space-2) var(--space-3) var(--space-1); font-size: var(--font-size-xs); font-weight: var(--font-weight-bold); letter-spacing: 0.06em; text-transform: uppercase; color: var(--k-muted); }
.dropdown { position: relative; display: inline-block; }
.dropdown > .menu, .dropdown > .popover { position: absolute; inset-block-start: calc(100% + var(--space-2)); inset-inline-end: 0; z-index: 40; transform-origin: top; animation: k-pop var(--k-dur-md) var(--k-ease-em); }
.dropdown[data-align="start"] > .menu, .dropdown[data-align="start"] > .popover { inset-inline-end: auto; inset-inline-start: 0; }
@keyframes k-pop { from { opacity: 0; transform: translateY(-4px) scale(0.98); } }
/* ---------- 11. Feedback: alerts, toasts, progress, skeleton, empty ---------- */
.alert { --_fg: var(--semantic-status-info-fg); --_bg: var(--semantic-status-info-bg); display: flex; gap: var(--space-3); padding: var(--space-4); color: var(--_fg); background: var(--_bg); border: 1px solid color-mix(in srgb, var(--_fg) 25%, transparent); border-radius: var(--style-shape-container); font-size: var(--font-size-sm); }
.alert[data-tone="success"] { --_fg: var(--semantic-status-success-fg); --_bg: var(--semantic-status-success-bg); }
.alert[data-tone="warning"] { --_fg: var(--semantic-status-warning-fg); --_bg: var(--semantic-status-warning-bg); }
.alert[data-tone="danger"] { --_fg: var(--semantic-status-danger-fg); --_bg: var(--semantic-status-danger-bg); }
.alert[data-tone="neutral"] { --_fg: var(--k-text); --_bg: var(--k-surface-high); }
.alert .icon { flex: none; margin-block-start: 0.1rem; }
.alert-title { font-weight: var(--font-weight-bold); }
.alert-close { margin-inline-start: auto; align-self: flex-start; display: grid; place-items: center; inline-size: 1.75rem; block-size: 1.75rem; border: 0; border-radius: 50%; background: transparent; color: inherit; }
.alert-close:hover { background: color-mix(in srgb, currentColor 12%, transparent); }
.alert-accent { background: var(--k-surface); color: var(--k-text); border-inline-start: 4px solid var(--_fg); border-color: var(--k-border); border-inline-start-color: var(--_fg); }
.alert-accent .icon, .alert-accent .alert-title { color: var(--_fg); }
.toast-region { position: fixed; inset-block-end: var(--space-6); inset-inline-end: var(--space-6); z-index: 90; display: flex; flex-direction: column; gap: var(--space-3); max-inline-size: min(24rem, calc(100vw - 2 * var(--space-6))); }
.toast { display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-3) var(--space-4); color: var(--style-toast-fg); background: var(--style-toast-bg); border-radius: var(--style-shape-toast); box-shadow: var(--style-elevation-3); font-size: var(--font-size-sm); animation: k-toast-in var(--k-dur-md) var(--k-ease-em); }
.toast .icon { flex: none; margin-block-start: 0.1rem; }
.toast[data-tone="success"] .icon { color: var(--semantic-status-success-bg); }
.toast[data-tone="danger"] .icon { color: var(--semantic-status-danger-bg); }
.toast[data-tone="warning"] .icon { color: var(--semantic-status-warning-bg); }
.toast .btn-link { color: inherit; margin-inline-start: auto; min-block-size: 0; padding: 0; }
.toast-close { margin-inline-start: auto; border: 0; background: transparent; color: inherit; display: grid; place-items: center; inline-size: 1.75rem; block-size: 1.75rem; border-radius: 50%; opacity: 0.8; }
.toast-close:hover { opacity: 1; background: color-mix(in srgb, currentColor 15%, transparent); }
.toast.is-leaving { animation: k-toast-out var(--k-dur-md) var(--k-ease) forwards; }
@keyframes k-toast-in { from { opacity: 0; transform: translateY(8px); } }
@keyframes k-toast-out { to { opacity: 0; transform: translateY(8px); } }
.progress { position: relative; block-size: 0.5rem; inline-size: 100%; overflow: hidden; background: var(--style-surface-control); border-radius: var(--style-radius-full); box-shadow: var(--style-elevation-inset); }
.progress > span { display: block; block-size: 100%; inline-size: var(--val, 0%); background: var(--k-primary); border-radius: inherit; transition: inline-size var(--k-dur-md) var(--k-ease); }
.progress-sm { block-size: 0.3rem; }
.progress-lg { block-size: 0.75rem; }
.progress[data-tone="success"] > span { background: var(--semantic-chart-positive); }
.progress[data-tone="warning"] > span { background: var(--semantic-status-warning-fg); }
.progress[data-tone="danger"] > span { background: var(--semantic-chart-negative); }
.progress[data-tone="2"] > span { background: var(--semantic-chart-2); }
.progress[data-tone="3"] > span { background: var(--semantic-chart-3); }
.progress[data-tone="4"] > span { background: var(--semantic-chart-4); }
.progress.striped > span { background-image: linear-gradient(45deg, color-mix(in srgb, var(--k-on-primary) 20%, transparent) 25%, transparent 25%, transparent 50%, color-mix(in srgb, var(--k-on-primary) 20%, transparent) 50%, color-mix(in srgb, var(--k-on-primary) 20%, transparent) 75%, transparent 75%); background-size: 1rem 1rem; }
.progress.indeterminate > span { inline-size: 40%; animation: k-indeterminate 1.4s var(--k-ease) infinite; }
@keyframes k-indeterminate { 0% { margin-inline-start: -40%; } 100% { margin-inline-start: 100%; } }
.spinner { display: inline-block; inline-size: 1.5rem; block-size: 1.5rem; border: 3px solid var(--k-tint-strong); border-block-start-color: var(--k-primary); border-radius: 50%; animation: k-spin 0.8s linear infinite; }
.skeleton { position: relative; overflow: hidden; display: block; background: color-mix(in srgb, var(--k-text) 8%, transparent); border-radius: var(--style-radius-sm); min-block-size: 1em; }
.skeleton::after { content: ''; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--k-surface) 60%, transparent), transparent); animation: k-shimmer 1.6s var(--k-ease) infinite; }
.skeleton-text { block-size: 0.85em; margin-block: 0.35em; }
.skeleton-circle { border-radius: 50%; }
.skeleton-rect { border-radius: var(--style-shape-container); }
@keyframes k-shimmer { to { transform: translateX(100%); } }
.empty { display: grid; justify-items: center; text-align: center; gap: var(--space-3); padding: var(--space-12) var(--space-6); color: var(--k-muted); }
.empty .illus { inline-size: 10rem; block-size: auto; margin-block-end: var(--space-2); color: var(--k-primary); }
.empty h3 { color: var(--k-text); font-size: var(--font-size-lg); }
.empty p { max-inline-size: 34ch; font-size: var(--font-size-sm); }
.empty .actions { display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: center; margin-block-start: var(--space-2); }
.tooltip { position: absolute; z-index: 80; padding: var(--space-1) var(--space-2); font-size: var(--font-size-xs); font-weight: var(--font-weight-medium); color: var(--style-toast-fg); background: var(--style-toast-bg); border-radius: var(--style-radius-sm); box-shadow: var(--style-elevation-2); white-space: nowrap; pointer-events: none; animation: k-pop var(--k-dur) var(--k-ease); }
.popover { inline-size: max-content; max-inline-size: 20rem; padding: var(--space-4); background: var(--k-surface-high); border: var(--style-border-width-container) solid var(--k-border); border-radius: var(--style-shape-container); box-shadow: var(--style-elevation-3); font-size: var(--font-size-sm); }
.popover-title { font-weight: var(--font-weight-bold); margin-block-end: var(--space-1); }
/* ---------- 12. Overlays: modal (