:root{--color-bg-primary: #f5f4f0;--color-bg-secondary: #eae9e4;--color-bg-sidebar: #efede8;--color-text-primary: #111111;--color-text-secondary: #3a3a3a;--color-text-muted: #666666;--color-border: #c8c6c0;--color-accent: #2d5a3d;--color-accent-hover: #3d7a5d;--color-success: #2d5a3d;--color-warning: #6b5b3d;--color-error: #5a3d3d;--color-confidence-high: #2d5a3d;--color-confidence-mid: #6b5b3d;--color-confidence-low: #5a3d3d;--color-chat-professor-bg: #f5ecd7;--color-chat-professor-border: #e0d5b8;--color-chat-user-bg: #eae9e4;--color-chat-user-border: #d5d3cc;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px 0 rgba(17, 17, 17, .08);--shadow-md: 0 4px 8px -2px rgba(17, 17, 17, .12);--shadow-lg: 0 12px 24px -8px rgba(17, 17, 17, .18);--sidebar-width: 260px;--sidebar-collapsed-width: 0px;--transition-sidebar: width .2s ease}@media(prefers-color-scheme:dark){:root{--color-bg-primary: #14130f;--color-bg-secondary: #201d17;--color-bg-sidebar: #1a1813;--color-text-primary: #f1efe8;--color-text-secondary: #c6c2b7;--color-text-muted: #9b9688;--color-border: #3a352a;--color-accent: #6f9879;--color-accent-hover: #84b18f;--color-success: #84b18f;--color-warning: #b5a273;--color-error: #b88b82;--color-confidence-high: #84b18f;--color-confidence-mid: #b5a273;--color-confidence-low: #b88b82;--color-chat-professor-bg: #2a2518;--color-chat-professor-border: #3d3425;--color-chat-user-bg: #201d17;--color-chat-user-border: #3a352a}}[data-theme=dark]{--color-bg-primary: #14130f;--color-bg-secondary: #201d17;--color-bg-sidebar: #1a1813;--color-text-primary: #f1efe8;--color-text-secondary: #c6c2b7;--color-text-muted: #9b9688;--color-border: #3a352a;--color-accent: #6f9879;--color-accent-hover: #84b18f;--color-success: #84b18f;--color-warning: #b5a273;--color-error: #b88b82;--color-confidence-high: #84b18f;--color-confidence-mid: #b5a273;--color-confidence-low: #b88b82;--color-chat-professor-bg: #2a2518;--color-chat-professor-border: #3d3425;--color-chat-user-bg: #201d17;--color-chat-user-border: #3a352a}[data-theme=light]{--color-bg-primary: #f5f4f0;--color-bg-secondary: #eae9e4;--color-bg-sidebar: #efede8;--color-text-primary: #111111;--color-text-secondary: #3a3a3a;--color-text-muted: #666666;--color-border: #c8c6c0;--color-accent: #2d5a3d;--color-accent-hover: #3d7a5d;--color-success: #2d5a3d;--color-warning: #6b5b3d;--color-error: #5a3d3d;--color-confidence-high: #2d5a3d;--color-confidence-mid: #6b5b3d;--color-confidence-low: #5a3d3d}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);font-size:var(--text-base);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.5;min-height:100vh}code,pre{font-family:var(--font-mono)}::selection{background:var(--color-accent);color:var(--color-bg-primary)}._container_14f66_1{display:flex;flex-direction:column;gap:var(--space-3)}._fileRow_14f66_7{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-3);background:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border)}._fileHeader_14f66_17{display:flex;justify-content:space-between;align-items:center;gap:var(--space-2)}._filename_14f66_24{font-size:var(--text-sm);font-weight:500;color:var(--color-text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60%}._stageLabel_14f66_34{font-size:var(--text-xs);color:var(--color-text-secondary)}._success_14f66_39{color:var(--color-success)}._errorLabel_14f66_40{color:var(--color-error)}._progressBar_14f66_42{height:4px;background:var(--color-border);border-radius:2px;overflow:hidden}._progressFill_14f66_49{height:100%;background:var(--color-accent);border-radius:2px}._progressError_14f66_55{background:var(--color-error)}._progressSuccess_14f66_56{background:var(--color-success)}._errorDetail_14f66_58{font-size:var(--text-xs);color:var(--color-error)}._errorSummary_14f66_63{padding:var(--space-3) var(--space-4);background:color-mix(in srgb,var(--color-error) 8%,var(--color-bg-primary));border:1px solid color-mix(in srgb,var(--color-error) 25%,transparent);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--color-text-primary)}._errorList_14f66_72{margin-top:var(--space-2);padding-left:var(--space-4);display:flex;flex-direction:column;gap:var(--space-1)}._errorFilename_14f66_80{font-weight:500;color:var(--color-error)}._wrapper_mubdh_1{display:flex;flex-direction:column;gap:var(--space-4)}._zone_mubdh_7{border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--space-10);text-align:center;cursor:pointer;transition:border-color .15s ease,background-color .15s ease;background:var(--color-bg-secondary)}._zone_mubdh_7:hover,._zone_mubdh_7:focus{border-color:var(--color-accent);outline:none}._dragOver_mubdh_23{border-color:var(--color-accent);background:color-mix(in srgb,var(--color-accent) 5%,var(--color-bg-secondary))}._uploading_mubdh_28{opacity:.7;pointer-events:none}._zoneContent_mubdh_33{display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}._icon_mubdh_40{font-size:2rem}._primaryText_mubdh_44{font-size:var(--text-base);font-weight:500;color:var(--color-text-primary)}._secondaryText_mubdh_50{font-size:var(--text-sm);color:var(--color-text-secondary)}._browseLabel_mubdh_55{cursor:pointer}._fileInput_mubdh_59{display:none}._browseButton_mubdh_63{display:inline-block;padding:var(--space-2) var(--space-4);background:var(--color-accent);color:#fff;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500;cursor:pointer;transition:background .15s ease}._browseButton_mubdh_63:hover{background:var(--color-accent-hover)}._validationError_mubdh_79{font-size:var(--text-sm);color:var(--color-error);padding:var(--space-2) var(--space-3);background:color-mix(in srgb,var(--color-error) 10%,var(--color-bg-primary));border-radius:var(--radius-md);border:1px solid color-mix(in srgb,var(--color-error) 30%,transparent)}._progressSection_mubdh_88{display:flex;flex-direction:column;gap:var(--space-3)}._clearButton_mubdh_94{align-self:flex-end;padding:var(--space-1) var(--space-3);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:var(--text-sm);cursor:pointer}._clearButton_mubdh_94:hover{background:var(--color-bg-secondary)}._shell_1wsve_1{display:flex;height:100vh;overflow:hidden}._sidebar_1wsve_8{display:flex;flex-direction:column;background:var(--color-bg-sidebar);border-right:1px solid var(--color-border);flex-shrink:0;transition:var(--transition-sidebar);overflow:hidden}._sidebarOpen_1wsve_18 ._sidebar_1wsve_8{width:var(--sidebar-width)}._sidebarClosed_1wsve_19 ._sidebar_1wsve_8{width:52px}._sidebarHeader_1wsve_21{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);min-height:72px}._sidebarBrand_1wsve_30{display:flex;align-items:center;gap:var(--space-3);min-width:0}._sidebarLogo_1wsve_37{width:44px;height:44px;object-fit:cover;border-radius:12px;box-shadow:0 6px 14px color-mix(in srgb,var(--color-accent) 20%,transparent);flex-shrink:0}._sidebarTitle_1wsve_46{font-weight:600;font-size:var(--text-sm);color:var(--color-text-primary);overflow:hidden;white-space:nowrap}._collapseButton_1wsve_54{background:none;border:none;color:var(--color-text-secondary);cursor:pointer;padding:var(--space-1);border-radius:var(--radius-sm);font-size:var(--text-sm);flex-shrink:0}._collapseButton_1wsve_54:hover{background:var(--color-border)}._sidebarBody_1wsve_69{flex:1;overflow-y:auto;padding:var(--space-3);display:flex;flex-direction:column;gap:var(--space-4)}._sidebarBody_1wsve_69 .wrapper ._zone_1wsve_79{padding:var(--space-4)}._urlForm_1wsve_83{display:flex;gap:var(--space-2)}._urlInput_1wsve_88{flex:1;min-width:0;padding:var(--space-2) var(--space-3);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:var(--text-xs);font-family:var(--font-sans)}._urlInput_1wsve_88::placeholder{color:var(--color-text-muted)}._urlButton_1wsve_104{padding:var(--space-2) var(--space-3);background:var(--color-accent);border:none;border-radius:var(--radius-md);color:#fff;font-size:var(--text-xs);cursor:pointer;flex-shrink:0}._urlButton_1wsve_104:hover{background:var(--color-accent-hover)}._sidebarFooter_1wsve_119{display:flex;align-items:center;gap:var(--space-1);padding:var(--space-3) var(--space-2);border-top:1px solid var(--color-border)}._footerButton_1wsve_127{background:none;border:none;color:var(--color-text-secondary);cursor:pointer;padding:var(--space-2);border-radius:var(--radius-md);font-size:var(--text-sm);display:flex;align-items:center;justify-content:center}._footerButton_1wsve_127:hover{background:var(--color-border);color:var(--color-text-primary)}._main_1wsve_146{flex:1;min-width:0;min-height:0;overflow:hidden;display:flex;flex-direction:column;background-color:var(--color-bg-primary);position:relative}._main_1wsve_146:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:url(/assets/backgrounds/background-1080p.png);background-size:cover;background-position:center;background-repeat:no-repeat;opacity:.34;pointer-events:none;z-index:0}._header_1wsve_173{display:flex;align-items:center;flex-shrink:0;padding:var(--space-3) var(--space-6);border-bottom:1px solid color-mix(in srgb,var(--color-border) 70%,transparent);background:color-mix(in srgb,var(--color-bg-primary) 85%,var(--color-bg-secondary));position:relative;z-index:1}._brandGroup_1wsve_184{display:flex;align-items:center;gap:var(--space-3)}._brandAvatar_1wsve_190{width:32px;height:32px;border-radius:50%;object-fit:cover}._brandName_1wsve_197{font-family:var(--font-mono);font-weight:700;font-size:var(--text-sm);color:var(--color-text-primary)}._brandStatus_1wsve_204{font-size:var(--text-xs);color:var(--color-text-muted);font-style:italic}._headerRight_1wsve_210{margin-left:auto;display:flex;align-items:center;gap:var(--space-3)}._resetButton_1wsve_217{background:none;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;padding:var(--space-1) var(--space-3);font-size:var(--text-sm);display:flex;align-items:center;gap:var(--space-1)}._resetButton_1wsve_217:hover{background:var(--color-bg-secondary);color:var(--color-text-primary)}._accountMenu_1wsve_236{position:relative}._accountButton_1wsve_240{display:inline-flex;align-items:center;gap:var(--space-2);max-width:min(260px,60vw);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:color-mix(in srgb,var(--color-bg-secondary) 90%,var(--color-bg-primary));color:var(--color-text-primary);font-family:var(--font-sans);font-size:var(--text-sm);cursor:pointer}._accountButton_1wsve_240:hover{background:color-mix(in srgb,var(--color-bg-secondary) 80%,var(--color-bg-primary))}._accountButtonText_1wsve_259{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._accountChevron_1wsve_265{flex-shrink:0;color:var(--color-text-secondary);font-size:var(--text-xs)}._menuDropdown_1wsve_271{position:absolute;right:0;top:calc(100% + 6px);width:180px;display:flex;flex-direction:column;padding:var(--space-1);border:1px solid var(--color-border);border-radius:var(--radius-md);background:color-mix(in srgb,var(--color-bg-primary) 96%,var(--color-bg-secondary));box-shadow:var(--shadow-md);z-index:10}._menuItem_1wsve_286{border:none;background:transparent;text-align:left;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);color:var(--color-text-primary);font-size:var(--text-sm);font-family:var(--font-sans);cursor:pointer}._menuItem_1wsve_286:hover{background:var(--color-bg-secondary)}._content_1wsve_303{flex:1;min-height:0;overflow-y:auto;position:relative;z-index:1}._container_1gk8o_1{display:flex;align-items:center;justify-content:center;min-height:100vh;background-color:var(--color-bg-secondary);background-image:var(--study-sketch-image);background-size:var(--study-sketch-size);background-position:var(--study-sketch-position);background-repeat:no-repeat}._card_1gk8o_13{background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-10);width:100%;max-width:400px;box-shadow:var(--shadow-lg)}._title_1gk8o_23{font-size:var(--text-2xl);font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-1)}._subtitle_1gk8o_30{font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-8)}._form_1gk8o_36{display:flex;flex-direction:column;gap:var(--space-4)}._label_1gk8o_42{display:flex;flex-direction:column;gap:var(--space-1);font-size:var(--text-sm);color:var(--color-text-secondary)}._input_1gk8o_50{padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-secondary);color:var(--color-text-primary);font-size:var(--text-base)}._input_1gk8o_50:focus{outline:2px solid var(--color-accent);outline-offset:2px}._error_1gk8o_64{font-size:var(--text-sm);color:var(--color-error)}._button_1gk8o_69{padding:var(--space-3) var(--space-4);background:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--text-base);font-weight:500;cursor:pointer;transition:background .15s ease}._button_1gk8o_69:hover{background:var(--color-accent-hover)}._button_1gk8o_69:disabled{opacity:.6;cursor:not-allowed}._divider_1gk8o_90{display:flex;align-items:center;gap:var(--space-4);margin:var(--space-6) 0;color:var(--color-text-muted);font-size:var(--text-sm)}._divider_1gk8o_90:before,._divider_1gk8o_90:after{content:"";flex:1;height:1px;background:var(--color-border)}._toggle_1gk8o_107{text-align:center;font-size:var(--text-sm);color:var(--color-text-secondary);margin-top:var(--space-4)}._toggleLink_1gk8o_114{background:none;border:none;color:var(--color-accent);cursor:pointer;font-size:var(--text-sm);text-decoration:underline}._toggleLink_1gk8o_114:hover{color:var(--color-accent-hover)}._googleButton_1gk8o_127{width:100%;padding:var(--space-3) var(--space-4);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:var(--text-base);cursor:pointer}._googleButton_1gk8o_127:hover{background:var(--color-bg-secondary)}._googleButton_1gk8o_127:disabled{opacity:.6;cursor:not-allowed}