:root{--bg: #fff8ef;--bg-soft: #fff1dc;--bg-elevated: rgba(255, 250, 243, .76);--surface: rgba(255, 255, 255, .7);--surface-strong: rgba(255, 250, 243, .9);--surface-muted: rgba(255, 246, 236, .8);--surface-dark: #4a2900;--surface-dark-soft: rgba(74, 41, 0, .84);--line: rgba(255, 176, 71, .2);--line-strong: rgba(217, 119, 6, .28);--text: #4d340c;--text-strong: #2f1c00;--text-muted: #7b4a00;--text-faint: #b06d1c;--primary: #d97706;--primary-strong: #c26a14;--primary-soft: rgba(217, 119, 6, .12);--accent: #e8b46a;--accent-strong: #f0cf87;--accent-soft: rgba(232, 180, 106, .18);--danger: #d95d39;--danger-soft: rgba(217, 93, 57, .14);--warning: #d98b00;--warning-soft: rgba(217, 139, 0, .14);--success: #c96b00;--success-soft: rgba(201, 107, 0, .14);--radius-2xl: 32px;--radius-xl: 28px;--radius-lg: 22px;--radius-md: 16px;--radius-sm: 12px;--radius-xs: 10px;--shadow-soft: 0 28px 80px rgba(217, 119, 6, .1);--shadow-card: 0 18px 40px rgba(194, 106, 20, .1), 0 0 10px rgba(232, 180, 106, .06);--shadow-float: 0 18px 44px rgba(194, 106, 20, .16), 0 0 10px rgba(217, 119, 6, .12);--blur-panel: blur(16px);--page-background: radial-gradient(circle at 0% 0%, rgba(232, 180, 106, .18), transparent 24%), radial-gradient(circle at 100% 10%, rgba(217, 119, 6, .12), transparent 20%), radial-gradient(circle at 100% 100%, rgba(240, 207, 135, .12), transparent 26%), linear-gradient(180deg, #fffdf9 0%, #fff7ed 44%, #fff1dc 100%);--page-grid: linear-gradient(rgba(255, 255, 255, .24) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .24) 1px, transparent 1px);--page-grid-opacity: .48;--page-orb: rgba(217, 119, 6, .14);--focus-ring: rgba(217, 119, 6, .14);--selection-text: #fff;--selection-bg: rgba(217, 119, 6, .68);--scrollbar-thumb: rgba(91, 104, 128, .28);--button-primary-text: #fffaf3;--button-primary-bg: linear-gradient(135deg, #e8b46a 0%, #d98b29 46%, #c26a14 100%);--button-primary-shadow: 0 0 5px rgba(217, 119, 6, .18), 0 14px 28px rgba(194, 106, 20, .18);--button-ghost-bg: rgba(255, 255, 255, .58);--button-ghost-border: rgba(232, 180, 106, .24);--button-ghost-hover-bg: rgba(255, 255, 255, .82);--button-ghost-hover-border: rgba(217, 119, 6, .22);--button-ghost-hover-shadow: 0 0 5px rgba(217, 119, 6, .08);--button-danger-text: #fff;--button-danger-bg: linear-gradient(135deg, #ea7a52 0%, #d95d39 100%);--button-danger-shadow: 0 0 5px rgba(217, 93, 57, .2), 0 16px 32px rgba(217, 93, 57, .16);--button-danger-hover-shadow: 0 18px 38px rgba(216, 79, 104, .24);--field-border: rgba(148, 163, 184, .18);--field-bg: rgba(255, 255, 255, .86);--field-hover-border: rgba(217, 119, 6, .2);--field-focus-border: rgba(217, 119, 6, .36);--field-focus-ring: rgba(217, 119, 6, .1);--field-focus-glow: rgba(217, 119, 6, .08);--field-focus-bg: rgba(255, 255, 255, .96);--inline-error-border: rgba(216, 79, 104, .18);--inline-error-bg: rgba(255, 244, 246, .92);--inline-error-text: #b43b53;--ui-pill-bg: rgba(255, 255, 255, .78);--ui-pill-border: rgba(255, 176, 71, .16);--ui-tab-bg: rgba(255, 255, 255, .72);--ui-tab-border: rgba(255, 176, 71, .16);--ui-tab-active-bg: rgba(255, 247, 236, .92);--ui-tab-active-border: rgba(217, 119, 6, .22);--ui-panel-bg: rgba(255, 255, 255, .58);--ui-panel-border: rgba(255, 176, 71, .14);--ui-soft-card-bg: rgba(255, 247, 236, .86);--ui-soft-card-border: rgba(255, 176, 71, .14);--ui-code-row-bg: rgba(255, 255, 255, .72);--ui-inline-feedback-bg: rgba(255, 249, 242, .88);--ui-inline-feedback-border: rgba(255, 176, 71, .22);--ui-inline-feedback-success-bg: rgba(255, 247, 236, .92);--ui-inline-feedback-success-border: rgba(201, 107, 0, .2);--ui-accent-shadow: rgba(194, 106, 20, .14);--ui-accent-shadow-strong: rgba(194, 106, 20, .18);--workspace-hero-bg: radial-gradient(circle at top left, rgba(255, 179, 71, .16), transparent 30%), linear-gradient(180deg, rgba(255, 255, 255, .8) 0%, rgba(255, 248, 240, .9) 100%);--workspace-card-bg: linear-gradient(180deg, rgba(255, 255, 255, .8) 0%, rgba(255, 247, 238, .84) 100%);--workspace-card-hover-border: rgba(255, 140, 0, .2);--workspace-card-hover-shadow: 0 0 5px rgba(255, 140, 0, .12), 0 18px 42px rgba(123, 74, 0, .1);--workspace-accent-pill-bg: rgba(217, 119, 6, .1);--workspace-tab-active-bg: linear-gradient(135deg, rgba(255, 192, 120, .28), rgba(255, 236, 214, .98));--workspace-tab-active-border: rgba(201, 107, 0, .28);--workspace-tab-active-shadow: 0 10px 24px rgba(201, 107, 0, .1);--workspace-subtle-surface-bg: rgba(255, 249, 242, .88);--workspace-subtle-surface-strong-bg: rgba(255, 247, 236, .92);--workspace-subtle-surface-border: rgba(255, 176, 71, .14);--workspace-table-divider: rgba(255, 176, 71, .14);--workspace-table-head-bg: rgba(255, 243, 230, .94);--workspace-switch-off-bg: rgba(217, 93, 57, .22);--workspace-switch-on-bg: rgba(201, 107, 0, .34);--workspace-code-inline-bg: rgba(255, 246, 236, .88);--workspace-code-inline-strong-bg: rgba(255, 246, 236, .92);--workspace-code-inline-border: rgba(255, 176, 71, .14);--workspace-code-bg: #4a2900;--workspace-code-text: #fff5e8;--workspace-modal-backdrop: rgba(18, 27, 30, .44);--workspace-accent-gradient-bg: linear-gradient(90deg, rgba(232, 180, 106, .92) 0%, rgba(217, 139, 41, .88) 52%, rgba(240, 207, 135, .86) 100%);--shell-sidebar-bg: radial-gradient(circle at top left, rgba(255, 179, 71, .22), transparent 34%), linear-gradient(180deg, rgba(255, 249, 242, .76) 0%, rgba(255, 239, 221, .68) 100%);--shell-sidebar-border: rgba(255, 176, 71, .2);--shell-sidebar-toggle-bg: rgba(255, 255, 255, .42);--shell-sidebar-toggle-border: rgba(255, 176, 71, .18);--shell-nav-item-bg: rgba(255, 255, 255, .34);--shell-nav-item-hover-bg: rgba(255, 255, 255, .5);--shell-nav-item-hover-border: rgba(217, 119, 6, .18);--shell-nav-item-hover-shadow: 0 0 5px rgba(217, 119, 6, .06);--shell-nav-item-active-bg: linear-gradient(135deg, rgba(217, 119, 6, .1) 0%, rgba(232, 180, 106, .16) 100%);--shell-nav-item-active-border: rgba(217, 119, 6, .18);--shell-nav-item-active-shadow: 0 0 5px rgba(217, 119, 6, .08);--shell-nav-badge-bg: rgba(217, 119, 6, .1);--shell-sidebar-user-bg: rgba(255, 255, 255, .4);--shell-sidebar-action-bg: rgba(255, 255, 255, .46);--shell-sidebar-action-border: rgba(255, 176, 71, .18);--shell-sidebar-action-hover-bg: rgba(255, 255, 255, .58);--shell-sidebar-action-hover-border: rgba(217, 119, 6, .18);--shell-sidebar-action-active-bg: rgba(255, 255, 255, .58);--shell-sidebar-action-active-border: rgba(217, 119, 6, .18);--shell-sidebar-action-active-shadow: inset 0 0 0 1px rgba(217, 119, 6, .08);--shell-runtime-banner-bg: rgba(232, 180, 106, .16);--shell-runtime-banner-border: rgba(194, 106, 20, .18);--mobile-tabbar-bg: rgba(255, 251, 246, .92);--mobile-tabbar-border: rgba(217, 119, 6, .14);--mobile-tabbar-active-bg: linear-gradient(135deg, rgba(217, 119, 6, .12) 0%, rgba(232, 180, 106, .16) 100%);--mobile-tabbar-icon-bg: rgba(217, 119, 6, .1);--chart-canvas-fill: #ffffff;--chart-export-fill: #ffffff;--chart-card-border: rgba(232, 180, 106, .24);--chart-card-bg: linear-gradient(180deg, rgba(255, 255, 255, .92), rgba(255, 248, 241, .82));--chart-table-shell-border: rgba(232, 180, 106, .18);--chart-table-shell-bg: rgba(255, 255, 255, .76);--chart-table-divider: rgba(232, 180, 106, .12);--chart-table-head-bg: rgba(255, 244, 229, .94);--chart-badge-bg: rgba(232, 180, 106, .18);--chart-switch-border: rgba(232, 180, 106, .24);--chart-switch-bg: rgba(255, 255, 255, .74);--chart-switch-active-text: #fffaf3;--chart-switch-active-bg: linear-gradient(135deg, #e8b46a 0%, #d98b29 46%, #c26a14 100%);--chart-switch-active-shadow: 0 12px 26px rgba(194, 106, 20, .18);--chart-fullscreen-backdrop: rgba(47, 28, 0, .34);--chat-timeline-bg: radial-gradient(circle at top right, rgba(255, 215, 0, .12), transparent 28%), linear-gradient(180deg, rgba(255, 255, 255, .78) 0%, rgba(255, 248, 240, .9) 100%);--chat-question-action-text: rgba(63, 38, 0, .78);--chat-question-action-hover-text: rgba(63, 38, 0, .9);--chat-question-action-border: rgba(217, 119, 6, .12);--chat-question-action-shadow: 0 6px 14px rgba(194, 106, 20, .08);--chat-question-bubble-bg: linear-gradient(135deg, rgba(255, 255, 255, .34) 0%, rgba(255, 244, 228, .68) 36%, rgba(244, 202, 143, .5) 100%);--chat-question-bubble-border: rgba(217, 119, 6, .16);--chat-question-bubble-text: rgba(63, 38, 0, .92);--chat-question-bubble-secondary-text: rgba(63, 38, 0, .82);--chat-question-bubble-label: rgba(81, 49, 8, .66);--chat-question-bubble-label-secondary: rgba(81, 49, 8, .56);--chat-question-evidence-bg: rgba(255, 255, 255, .42);--chat-question-evidence-border: rgba(217, 119, 6, .12);--chat-answer-streaming-border: rgba(217, 119, 6, .18);--chat-answer-streaming-shadow: 0 0 5px rgba(217, 119, 6, .08), 0 16px 34px rgba(194, 106, 20, .08);--chat-content-section-bg: rgba(255, 247, 238, .76);--chat-stage-current-border: rgba(217, 119, 6, .14);--chat-stage-current-bg: linear-gradient(135deg, rgba(255, 255, 255, .92) 0%, rgba(255, 243, 230, .92) 100%);--chat-stage-pill-done-bg: rgba(255, 245, 232, .92);--chat-stage-pill-done-border: rgba(217, 119, 6, .12);--chat-stage-pill-done-dot: rgba(217, 119, 6, .88);--chat-stage-pill-active-bg: linear-gradient(135deg, rgba(255, 248, 240, .98) 0%, rgba(244, 202, 143, .22) 100%);--chat-stage-pill-active-border: rgba(194, 106, 20, .22);--chat-stage-pill-active-dot: rgba(194, 106, 20, .92);--chat-stage-pill-active-shadow: 0 0 5px rgba(217, 119, 6, .08);--chat-composer-bg: radial-gradient(circle at top left, rgba(255, 179, 71, .14), transparent 34%), linear-gradient(180deg, rgba(255, 255, 255, .78) 0%, rgba(255, 248, 240, .9) 100%);--chat-composer-evidence-bg: rgba(255, 252, 247, .94);--chat-composer-icon-bg: radial-gradient(circle at top left, rgba(255, 179, 71, .14), transparent 40%), linear-gradient(180deg, rgba(255, 255, 255, .82) 0%, rgba(255, 248, 240, .92) 100%);--chat-composer-inline-active-bg: rgba(217, 119, 6, .12);--chat-composer-inline-active-border: rgba(217, 119, 6, .22);--chat-composer-icon-primary-bg: linear-gradient(135deg, rgba(255, 248, 240, .98) 0%, rgba(244, 202, 143, .34) 100%);--chat-composer-icon-primary-border: rgba(217, 119, 6, .22);--chat-loading-ring-border: rgba(217, 119, 6, .18);--chat-loading-ring-top: rgba(194, 106, 20, .96);--chat-mobile-composer-shadow: 0 18px 40px rgba(194, 106, 20, .14);--avatar-shell-bg: linear-gradient(145deg, rgba(255, 214, 153, .82), rgba(217, 119, 6, .28));--avatar-shell-shadow: inset 0 1px 0 rgba(255, 255, 255, .42), 0 8px 22px rgba(150, 90, 15, .12);--avatar-surface-border: rgba(255, 255, 255, .52);--avatar-surface-bg: radial-gradient(circle at 28% 24%, rgba(255, 255, 255, .9), transparent 42%), linear-gradient(160deg, rgba(255, 249, 242, .94), rgba(255, 234, 207, .72));--avatar-head-fill: #9b5d19;--avatar-body-fill: #7b4a00;--avatar-emblem-border: rgba(255, 255, 255, .7);--avatar-emblem-bg: linear-gradient(135deg, rgba(255, 227, 158, .96), rgba(232, 180, 106, .94));--avatar-emblem-shadow: 0 0 0 2px rgba(255, 248, 240, .95), 0 0 10px rgba(217, 119, 6, .14);--avatar-emblem-fill: #8b4d07;--avatar-admin-shell-bg: linear-gradient(145deg, rgba(255, 208, 138, .88), rgba(194, 106, 20, .4));--avatar-admin-shell-shadow: inset 0 1px 0 rgba(255, 255, 255, .48), 0 10px 24px rgba(150, 90, 15, .16);--avatar-admin-surface-bg: radial-gradient(circle at 28% 24%, rgba(255, 255, 255, .94), transparent 42%), linear-gradient(160deg, rgba(255, 248, 238, .96), rgba(255, 225, 184, .76));--font-sans: "Plus Jakarta Sans", "IBM Plex Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-display: "Sora", "Plus Jakarta Sans", "IBM Plex Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "Fira Code", "JetBrains Mono", Consolas, Monaco, "Courier New", monospace;--color-text-secondary: var(--text-muted);--color-border: var(--line);--color-surface-soft: var(--surface-muted);--text-xs: clamp(.6875rem, .65rem + .18vw, .75rem);--text-sm: clamp(.75rem, .7rem + .25vw, .875rem);--text-base: clamp(.875rem, .8rem + .37vw, 1rem);--text-lg: clamp(1rem, .95rem + .25vw, 1.125rem);--text-xl: clamp(1.125rem, 1.05rem + .37vw, 1.25rem);--text-2xl: clamp(1.25rem, 1.15rem + .5vw, 1.5rem);--text-3xl: clamp(1.5rem, 1.35rem + .75vw, 1.875rem);--leading-tight: 1.2;--leading-snug: 1.35;--leading-normal: 1.5;--leading-relaxed: 1.625;--leading-loose: 2;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--space-page: 16px;--nav-height: 0px}:root[data-theme=ocean]{--bg: #eef7ff;--bg-soft: #dceeff;--bg-elevated: rgba(240, 247, 255, .78);--surface: rgba(255, 255, 255, .78);--surface-strong: rgba(248, 252, 255, .94);--surface-muted: rgba(235, 245, 255, .86);--surface-dark: #0d2e4d;--surface-dark-soft: rgba(13, 46, 77, .88);--line: rgba(71, 154, 255, .18);--line-strong: rgba(43, 127, 227, .28);--text: #23405f;--text-strong: #102842;--text-muted: #58738d;--text-faint: #6f93b6;--primary: #2c7be5;--primary-strong: #1f67c4;--primary-soft: rgba(44, 123, 229, .12);--accent: #7cc6ff;--accent-strong: #b9e2ff;--accent-soft: rgba(124, 198, 255, .2);--success: #1d8a73;--success-soft: rgba(29, 138, 115, .14);--shadow-soft: 0 28px 80px rgba(44, 123, 229, .12);--shadow-card: 0 18px 40px rgba(31, 103, 196, .1), 0 0 10px rgba(124, 198, 255, .08);--shadow-float: 0 18px 44px rgba(31, 103, 196, .16), 0 0 10px rgba(44, 123, 229, .14);--page-background: radial-gradient(circle at 0% 0%, rgba(124, 198, 255, .18), transparent 22%), radial-gradient(circle at 100% 12%, rgba(44, 123, 229, .1), transparent 22%), radial-gradient(circle at 100% 100%, rgba(185, 226, 255, .14), transparent 26%), linear-gradient(180deg, #f9fcff 0%, #eef6ff 44%, #dceeff 100%);--page-grid: linear-gradient(rgba(255, 255, 255, .34) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .34) 1px, transparent 1px);--page-orb: rgba(124, 198, 255, .22);--focus-ring: rgba(44, 123, 229, .14);--selection-bg: rgba(44, 123, 229, .68);--scrollbar-thumb: rgba(91, 132, 176, .3);--button-primary-text: #f7fbff;--button-primary-bg: linear-gradient(135deg, #8ad2ff 0%, #4da2ff 48%, #2c7be5 100%);--button-primary-shadow: 0 0 5px rgba(44, 123, 229, .18), 0 14px 28px rgba(31, 103, 196, .18);--button-ghost-bg: rgba(255, 255, 255, .7);--button-ghost-border: rgba(124, 198, 255, .28);--button-ghost-hover-bg: rgba(255, 255, 255, .9);--button-ghost-hover-border: rgba(44, 123, 229, .22);--button-ghost-hover-shadow: 0 0 5px rgba(44, 123, 229, .08);--field-hover-border: rgba(44, 123, 229, .2);--field-focus-border: rgba(44, 123, 229, .34);--field-focus-ring: rgba(44, 123, 229, .1);--field-focus-glow: rgba(44, 123, 229, .08);--ui-pill-border: rgba(124, 198, 255, .18);--ui-tab-border: rgba(124, 198, 255, .18);--ui-tab-active-bg: rgba(236, 245, 255, .94);--ui-tab-active-border: rgba(44, 123, 229, .24);--ui-panel-border: rgba(124, 198, 255, .16);--ui-soft-card-bg: rgba(238, 247, 255, .9);--ui-soft-card-border: rgba(124, 198, 255, .16);--ui-inline-feedback-bg: rgba(244, 249, 255, .9);--ui-inline-feedback-border: rgba(124, 198, 255, .2);--ui-inline-feedback-success-bg: rgba(236, 245, 255, .94);--ui-inline-feedback-success-border: rgba(44, 123, 229, .18);--ui-accent-shadow: rgba(31, 103, 196, .14);--ui-accent-shadow-strong: rgba(31, 103, 196, .18);--workspace-hero-bg: radial-gradient(circle at top left, rgba(124, 198, 255, .18), transparent 30%), linear-gradient(180deg, rgba(255, 255, 255, .82) 0%, rgba(236, 245, 255, .92) 100%);--workspace-card-bg: linear-gradient(180deg, rgba(255, 255, 255, .84) 0%, rgba(238, 247, 255, .88) 100%);--workspace-card-hover-border: rgba(44, 123, 229, .2);--workspace-card-hover-shadow: 0 0 5px rgba(44, 123, 229, .1), 0 18px 42px rgba(31, 103, 196, .1);--workspace-accent-pill-bg: rgba(44, 123, 229, .1);--workspace-tab-active-bg: linear-gradient(135deg, rgba(124, 198, 255, .24), rgba(255, 255, 255, .98));--workspace-tab-active-border: rgba(44, 123, 229, .24);--workspace-tab-active-shadow: 0 10px 24px rgba(31, 103, 196, .12);--workspace-subtle-surface-bg: rgba(244, 249, 255, .9);--workspace-subtle-surface-strong-bg: rgba(236, 245, 255, .94);--workspace-subtle-surface-border: rgba(124, 198, 255, .16);--workspace-table-divider: rgba(124, 198, 255, .12);--workspace-table-head-bg: rgba(236, 245, 255, .96);--workspace-switch-off-bg: rgba(71, 154, 255, .18);--workspace-switch-on-bg: rgba(44, 123, 229, .34);--workspace-code-inline-bg: rgba(236, 245, 255, .88);--workspace-code-inline-strong-bg: rgba(236, 245, 255, .94);--workspace-code-inline-border: rgba(124, 198, 255, .16);--workspace-code-bg: #0d2e4d;--workspace-code-text: #f2f7ff;--workspace-modal-backdrop: rgba(16, 40, 66, .34);--workspace-accent-gradient-bg: linear-gradient(90deg, rgba(124, 198, 255, .92) 0%, rgba(76, 162, 255, .88) 52%, rgba(185, 226, 255, .86) 100%);--shell-sidebar-bg: radial-gradient(circle at top left, rgba(124, 198, 255, .22), transparent 34%), linear-gradient(180deg, rgba(247, 251, 255, .82) 0%, rgba(228, 241, 255, .72) 100%);--shell-sidebar-border: rgba(71, 154, 255, .18);--shell-sidebar-toggle-bg: rgba(255, 255, 255, .56);--shell-sidebar-toggle-border: rgba(124, 198, 255, .2);--shell-nav-item-bg: rgba(255, 255, 255, .44);--shell-nav-item-hover-bg: rgba(255, 255, 255, .7);--shell-nav-item-hover-border: rgba(44, 123, 229, .18);--shell-nav-item-hover-shadow: 0 0 5px rgba(44, 123, 229, .06);--shell-nav-item-active-bg: linear-gradient(135deg, rgba(44, 123, 229, .12) 0%, rgba(124, 198, 255, .18) 100%);--shell-nav-item-active-border: rgba(44, 123, 229, .18);--shell-nav-item-active-shadow: 0 0 5px rgba(44, 123, 229, .08);--shell-nav-badge-bg: rgba(44, 123, 229, .1);--shell-sidebar-user-bg: rgba(255, 255, 255, .54);--shell-sidebar-action-bg: rgba(255, 255, 255, .58);--shell-sidebar-action-border: rgba(124, 198, 255, .18);--shell-sidebar-action-hover-bg: rgba(255, 255, 255, .76);--shell-sidebar-action-hover-border: rgba(44, 123, 229, .18);--shell-sidebar-action-active-bg: rgba(235, 245, 255, 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