@font-face {
    font-family: "Vazirmatn";
    src: url('/assets/lumiline/fonts/Vazirmatn.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* Slate Haze theme — aligned to the 21st.dev reference palette. */
:root {
    --slate-haze-primary: #8fcde8;
    --slate-haze-primary-strong: #6fb9da;
    --slate-haze-primary-foreground: #152027;
    --slate-haze-secondary: #f4f3ef;
    --slate-haze-secondary-foreground: #1a1915;
    --slate-haze-accent: #ecece7;
    --slate-haze-muted: #efefeb;
    --slate-haze-destructive: #dc4545;
    --slate-haze-border: #d8d8d1;
    --slate-haze-card: #ffffff;
    --slate-haze-background: #f5f6f3;
    --slate-haze-foreground: #1a1915;
    --slate-haze-muted-foreground: #6f716d;
    --slate-haze-ring: #8fcde8;
    --slate-haze-radius: 8px;

    --app-bg: var(--slate-haze-background);
    --app-bg-soft: #eff1ed;
    --surface: var(--slate-haze-card);
    --surface-elevated: #ffffff;
    --surface-soft: #f7f8f5;
    --surface-muted: var(--slate-haze-muted);
    --surface-hover: #eceee9;
    --surface-inverse: #1a1915;
    --text: #2b2c28;
    --text-strong: var(--slate-haze-foreground);
    --text-secondary: #555852;
    --text-muted: var(--slate-haze-muted-foreground);
    --text-subtle: #8a8c87;
    --accent: var(--slate-haze-primary-strong);
    --accent-hover: #5da9cc;
    --accent-strong: #4e99bc;
    --accent-contrast: var(--slate-haze-primary-foreground);
    --accent-soft: #e5f3f9;
    --accent-muted: #d5ebf5;
    --accent-glow: rgba(111, 185, 218, 0.22);
    --cyan: var(--slate-haze-primary-strong);
    --cyan-soft: #e5f3f9;
    --blue: var(--slate-haze-primary-strong);
    --blue-soft: #e5f3f9;
    --violet: #7b7f89;
    --violet-soft: #eeeeef;
    --amber: #9c722b;
    --amber-soft: #fbf3df;
    --rose: #a94f56;
    --rose-soft: #fae9ea;
    --green: #547d67;
    --green-soft: #e9f1ed;
    --danger: var(--slate-haze-destructive);
    --danger-hover: #c83c3c;
    --danger-soft: #fbeaea;
    --warning: #8f6825;
    --warning-soft: #fbf3df;
    --border: var(--slate-haze-border);
    --border-strong: #c3c4bd;
    --border-accent: rgba(111, 185, 218, 0.45);
    --input-bg: #ffffff;
    --input-border: #cfcfc8;
    --overlay: rgba(26, 25, 21, 0.58);
    --sidebar-bg: rgba(245, 246, 243, 0.98);
    --sidebar-text-strong: #1a1915;
    --sidebar-text: #4f524d;
    --sidebar-text-muted: #6f716d;
    --sidebar-icon: #62655f;
    --sidebar-active-text: var(--slate-haze-primary-foreground);
    --shadow-xs: 0 1px 2px rgba(26, 25, 21, 0.04);
    --shadow-sm: 0 10px 28px -22px rgba(26, 25, 21, 0.28);
    --shadow-md: 0 20px 48px -32px rgba(26, 25, 21, 0.34);
    --shadow-lg: 0 34px 78px -44px rgba(26, 25, 21, 0.42);
    --shadow-accent: 0 14px 30px -20px rgba(111, 185, 218, 0.68);
    --radius-xs: 6px;
    --radius-sm: var(--slate-haze-radius);
    --radius-md: var(--slate-haze-radius);
    --radius-lg: var(--slate-haze-radius);
    --radius-xl: 10px;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --slate-haze-primary: #b8e6fe;
    --slate-haze-primary-strong: #a8dcf7;
    --slate-haze-primary-foreground: #162027;
    --slate-haze-secondary: #faf9f5;
    --slate-haze-secondary-foreground: #1a1915;
    --slate-haze-accent: #1a1915;
    --slate-haze-muted: #1b1b19;
    --slate-haze-destructive: #ef4444;
    --slate-haze-border: #3e3e38;
    --slate-haze-card: #262624;
    --slate-haze-background: #262624;
    --slate-haze-foreground: #faf9f5;
    --slate-haze-muted-foreground: #aaa9a2;
    --slate-haze-ring: #b8e6fe;

    --app-bg: var(--slate-haze-background);
    --app-bg-soft: #20201e;
    --surface: var(--slate-haze-card);
    --surface-elevated: #2b2b28;
    --surface-soft: #222220;
    --surface-muted: var(--slate-haze-muted);
    --surface-hover: #30302d;
    --surface-inverse: var(--slate-haze-secondary);
    --text: #e8e7e2;
    --text-strong: var(--slate-haze-foreground);
    --text-secondary: #cfcec8;
    --text-muted: var(--slate-haze-muted-foreground);
    --text-subtle: #85857f;
    --accent: var(--slate-haze-primary);
    --accent-hover: #caedff;
    --accent-strong: #9dd8f5;
    --accent-contrast: var(--slate-haze-primary-foreground);
    --accent-soft: rgba(184, 230, 254, 0.09);
    --accent-muted: rgba(184, 230, 254, 0.15);
    --accent-glow: rgba(184, 230, 254, 0.18);
    --cyan: var(--slate-haze-primary);
    --cyan-soft: rgba(184, 230, 254, 0.09);
    --blue: var(--slate-haze-primary);
    --blue-soft: rgba(184, 230, 254, 0.09);
    --violet: #b7b7c2;
    --violet-soft: rgba(183, 183, 194, 0.1);
    --amber: #d9c08a;
    --amber-soft: rgba(217, 192, 138, 0.1);
    --rose: #d99ca1;
    --rose-soft: rgba(217, 156, 161, 0.1);
    --green: #9db9aa;
    --green-soft: rgba(157, 185, 170, 0.1);
    --danger: var(--slate-haze-destructive);
    --danger-hover: #f35a5a;
    --danger-soft: rgba(239, 68, 68, 0.1);
    --warning: #d7ba7d;
    --warning-soft: rgba(215, 186, 125, 0.1);
    --border: var(--slate-haze-border);
    --border-strong: #53534c;
    --border-accent: rgba(184, 230, 254, 0.5);
    --input-bg: #1f1f1d;
    --input-border: #45453f;
    --overlay: rgba(0, 0, 0, 0.72);
    --sidebar-bg: rgba(31, 31, 29, 0.98);
    --sidebar-text-strong: #fffdf7;
    --sidebar-text: #e1e0da;
    --sidebar-text-muted: #b6b5ae;
    --sidebar-icon: #d2d1ca;
    --sidebar-active-text: var(--slate-haze-primary-foreground);
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.28);
    --shadow-sm: 0 12px 30px -22px rgba(0, 0, 0, 0.76);
    --shadow-md: 0 24px 58px -34px rgba(0, 0, 0, 0.84);
    --shadow-lg: 0 40px 90px -48px rgba(0, 0, 0, 0.9);
    --shadow-accent: 0 16px 34px -22px rgba(184, 230, 254, 0.34);
}

html,
body,
button,
input,
select,
textarea {
    font-family: "Vazirmatn", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, sans-serif;
}

body.li-app-page,
.li-focus {
    background: var(--app-bg);
}

.app-background,
html[data-theme="dark"] .app-background {
    background: var(--app-bg);
}

.li-focus .li-card,
.li-card,
.control-panel,
.viewer-shell,
.map-viewer-card,
.command-panel,
.help-panel {
    border-color: var(--border);
    border-radius: var(--slate-haze-radius);
    background: var(--surface);
    box-shadow: none;
}

.li-sidebar,
.li-focus .li-sidebar,
.li-topbar,
.mobile-bottom-nav {
    background: var(--sidebar-bg);
    border-color: var(--border);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.li-sidebar {
    color: var(--sidebar-text-strong);
}

.li-sidebar .brand-copy,
.li-sidebar .brand-copy strong {
    color: var(--sidebar-text-strong);
    -webkit-text-fill-color: currentColor;
    opacity: 1;
}

.li-sidebar .nav-item {
    color: var(--sidebar-text);
}

.li-sidebar .nav-copy,
.li-sidebar .nav-copy strong {
    color: inherit;
    -webkit-text-fill-color: currentColor;
    opacity: 1;
}

.li-sidebar .nav-icon {
    color: var(--sidebar-icon);
}

.li-sidebar .nav-item:hover {
    color: var(--sidebar-text-strong);
}

.li-sidebar .sidebar-logout:hover {
    color: var(--danger);
}

.li-sidebar .nav-item.active {
    color: var(--sidebar-active-text);
}

.li-sidebar .nav-item.active .nav-copy,
.li-sidebar .nav-item.active .nav-copy strong,
.li-sidebar .nav-item.active .nav-icon {
    color: inherit;
    -webkit-text-fill-color: currentColor;
}

.brand-mark,
.focus-home__symbol,
.part-index {
    color: var(--slate-haze-primary-foreground);
    background: var(--slate-haze-primary);
}

.nav-item,
.topbar-icon-button,
.topbar-action-button,
.sidebar-collapse-button,
.icon-button,
.control-tab,
.viewer-tab-button,
.mobile-nav-item,
.btn,
.input-control,
select.input-control,
textarea.input-control,
.part-row {
    border-radius: var(--slate-haze-radius);
}

.nav-item,
.control-tab,
.viewer-tab-button,
.mobile-nav-item,
.topbar-icon-button,
.sidebar-collapse-button,
.icon-button,
.btn-ghost {
    color: var(--text-secondary);
    background: transparent;
    border-color: transparent;
}

.nav-item:hover,
.control-tab:hover,
.viewer-tab-button:hover,
.mobile-nav-item:hover,
.topbar-icon-button:hover,
.sidebar-collapse-button:hover,
.icon-button:hover,
.btn-ghost:hover:not(:disabled),
.part-row:hover {
    color: var(--text-strong);
    background: var(--surface-hover);
    border-color: var(--border);
}

.nav-item.active,
.control-tab.is-active,
.viewer-tab-button.is-active,
.mobile-nav-item.active,
.mobile-nav-item--primary {
    color: var(--slate-haze-primary-foreground);
    background: var(--slate-haze-primary);
    border-color: var(--slate-haze-primary);
    box-shadow: none;
}

.nav-item.active .nav-icon,
.control-tab.is-active .control-tab__icon,
.viewer-tab-button.is-active svg {
    color: currentColor;
}

.btn-primary,
.btn-primary:hover:not(:disabled),
.topbar-action-button--primary,
.topbar-action-button--primary:hover {
    color: var(--slate-haze-primary-foreground);
    background: var(--slate-haze-primary);
    border-color: var(--slate-haze-primary);
    box-shadow: none;
}

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

.btn-secondary {
    color: var(--slate-haze-secondary-foreground);
    background: var(--slate-haze-secondary);
    border-color: var(--slate-haze-secondary);
    box-shadow: none;
}

.btn-secondary:hover:not(:disabled) {
    color: var(--slate-haze-secondary-foreground);
    background: #eeede8;
    border-color: #eeede8;
}

html[data-theme="dark"] .btn-secondary:hover:not(:disabled) {
    background: #eeede9;
    border-color: #eeede9;
}

.btn-danger-soft,
.btn-danger-soft:hover:not(:disabled) {
    color: #ffffff;
    background: var(--slate-haze-destructive);
    border-color: var(--slate-haze-destructive);
}

.input-control,
select.input-control,
textarea.input-control,
.auth-field input {
    color: var(--text-strong);
    background: var(--input-bg);
    border-color: var(--input-border);
    box-shadow: none;
}

.input-control:hover:not(:disabled),
.auth-field input:hover {
    border-color: var(--border-strong);
}

.input-control:focus,
.auth-field input:focus {
    border-color: var(--slate-haze-primary);
    box-shadow: 0 0 0 3px rgba(184, 230, 254, 0.13);
}

:focus-visible,
.li-focus :is(button, a, input, select):focus-visible,
.auth-page :focus-visible {
    outline-color: var(--slate-haze-ring);
}

.part-row.is-selected {
    color: var(--text-strong);
    background: var(--accent-soft);
    border-color: var(--slate-haze-primary);
}

.table-wrap table,
.result-table-area table {
    color: var(--text);
    background: var(--surface);
}

.table-wrap th,
.result-table-area th {
    color: var(--text-strong);
    background: var(--surface-soft);
    border-color: var(--border);
}

.table-wrap td,
.result-table-area td {
    border-color: var(--border);
}

.li-toast,
.command-palette,
.help-drawer {
    border-color: var(--border);
    background: var(--surface-elevated);
    box-shadow: var(--shadow-md);
}

/* Auth mapping */
:root {
    --auth-bg: var(--slate-haze-background);
    --auth-panel: var(--slate-haze-card);
    --auth-text: var(--slate-haze-foreground);
    --auth-muted: var(--slate-haze-muted-foreground);
    --auth-border: var(--slate-haze-border);
    --auth-input: #ffffff;
    --auth-orange: var(--slate-haze-primary-strong);
}

html[data-theme="dark"] {
    --auth-bg: #1a1915;
    --auth-panel: var(--slate-haze-card);
    --auth-text: var(--slate-haze-foreground);
    --auth-muted: var(--slate-haze-muted-foreground);
    --auth-border: var(--slate-haze-border);
    --auth-input: #1f1f1d;
    --auth-orange: var(--slate-haze-primary);
}

.auth-page {
    background: var(--auth-bg);
}

.auth-form-panel,
.auth-visual,
.auth-theme,
.auth-field input,
.auth-submit,
.auth-guest-submit,
.auth-error,
.auth-skip {
    border-radius: var(--slate-haze-radius);
}

.auth-form-panel {
    background: var(--auth-panel);
    border-color: var(--auth-border);
}

.auth-brand-dot,
.auth-orange,
.auth-caps {
    color: var(--slate-haze-primary);
}

.auth-brand-mark {
    color: var(--slate-haze-primary-foreground);
    background: var(--slate-haze-primary);
    transform: none;
}

.auth-brand-mark span {
    background: var(--slate-haze-secondary);
}

.auth-theme {
    color: var(--auth-text);
    background: var(--surface-soft);
    border-color: var(--auth-border);
}

.auth-submit {
    color: var(--slate-haze-primary-foreground);
    background: var(--slate-haze-primary);
    border-color: var(--slate-haze-primary);
    box-shadow: none;
}

.auth-submit:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: none;
}

.auth-guest-submit {
    color: var(--slate-haze-secondary-foreground);
    background: var(--slate-haze-secondary);
    border-color: var(--slate-haze-secondary);
}

.auth-guest-submit:hover {
    color: var(--slate-haze-secondary-foreground);
    background: #eeede9;
    border-color: #eeede9;
}

.auth-visual {
    color: var(--slate-haze-secondary);
    background: #1a1915;
}

.auth-grain {
    background:
        radial-gradient(ellipse 90% 72% at 92% 4%, rgba(184, 230, 254, 0.76) 0%, rgba(184, 230, 254, 0.18) 24%, transparent 66%),
        radial-gradient(ellipse 75% 72% at 4% 90%, rgba(250, 249, 245, 0.2) 0%, rgba(184, 230, 254, 0.09) 34%, transparent 72%),
        #1a1915;
}

.auth-visual::after {
    background: linear-gradient(180deg, rgba(26, 25, 21, 0.12), transparent 44%, rgba(26, 25, 21, 0.6));
}

.auth-visual h2,
.auth-visual h2 span,
.auth-visual-bottom p > span {
    color: var(--slate-haze-secondary);
}

.auth-motion {
    color: var(--slate-haze-secondary);
    background: rgba(26, 25, 21, 0.72);
    border-color: rgba(250, 249, 245, 0.22);
}

.auth-error {
    color: #ffb8b8;
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.38);
}

.auth-skip {
    border-color: var(--slate-haze-primary);
}

/* Legacy shell compatibility. */
body:not(.auth-page):not(.li-app-page) {
    --li-bg: var(--app-bg);
    --li-surface: var(--surface);
    --li-border: var(--border);
    --li-text: var(--text-strong);
    --li-muted: var(--text-muted);
    --li-primary: var(--slate-haze-primary);
}

@media (prefers-reduced-motion: reduce) {
    .auth-page *,
    .li-app-page *,
    .auth-page *::before,
    .auth-page *::after,
    .li-app-page *::before,
    .li-app-page *::after {
        scroll-behavior: auto !important;
    }
}