:root{--color-bg: #f7f7f7;--color-surface: #ffffff;--color-surface-hover: #f0f0f0;--color-border: #dcdcdc;--color-border-focus: #e95420;--color-fg: #3d3d3d;--color-fg-secondary: #6e6e6e;--color-fg-muted: #8b8e8f;--color-accent: #e95420;--color-accent-hover: #d24a1a;--color-accent-dark: #a33c15;--color-accent-light: #fdf0eb;--color-accent-soft: #f5c4ac;--color-success: #0e8420;--color-success-light: #e8f5e9;--color-error: #c7162b;--color-error-light: #fdeaed;--color-warning: #f4a100;--color-warning-light: #fef7e0;--color-bg-secondary: var(--color-surface);--color-text-muted: var(--color-fg-muted);--color-success-bg: var(--color-success-light);--color-warning-bg: var(--color-warning-light);--color-navbar-bg: #2c2c2c;--color-navbar-fg: #f7f7f7;--color-navbar-hover: #3a3a3a;--color-navbar-active: #e95420;--font-family: "Ubuntu", "Segoe UI", "Cantarell", system-ui, sans-serif;--font-mono: "Ubuntu Mono", "Consolas", "Courier New", monospace;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 2px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 20px rgba(0, 0, 0, .15);--focus-ring: 0 0 0 3px rgba(233, 84, 32, .25);--transition-fast: .15s ease;--transition-normal: .2s ease}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-fg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code,pre{font-family:var(--font-mono)}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;gap:10px}.loading-spinner{width:40px;height:40px;border:4px solid var(--color-border);border-top:4px solid var(--color-accent);border-radius:50%;animation:spin 1s linear infinite}.loading-text{color:var(--color-fg-secondary);font-size:14px;font-weight:500;font-family:var(--font-family)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.form-loading{display:flex;align-items:center;justify-content:center;padding:10px}.form-loading .loading-spinner{width:20px;height:20px;border-width:2px;margin-right:8px}.form-loading .loading-text{font-size:12px}.app-shell{display:flex;flex-direction:row;height:100vh;overflow:hidden}.app-shell__main{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}.app-shell__content{flex:1;min-height:0;overflow-y:auto}.app-rail{flex-shrink:0;width:188px;display:flex;flex-direction:column;background-color:var(--color-navbar-bg);color:var(--color-navbar-fg);font-family:var(--font-family);overflow:hidden;transition:width var(--transition-normal);z-index:20}.app-rail--collapsed{width:52px}.app-rail__fade{opacity:1;white-space:nowrap;transition:opacity var(--transition-fast)}.app-rail--collapsed .app-rail__fade{opacity:0;pointer-events:none}.app-rail__brand{display:flex;align-items:center;gap:10px;padding:16px 14px 14px;border-bottom:1px solid rgba(255,255,255,.07)}.app-rail__logo{display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:var(--radius-sm)}.app-rail__logo:focus-visible{outline:none;box-shadow:var(--focus-ring)}.app-rail__brand-text{font-size:.9rem;font-weight:600;letter-spacing:.02em;color:#fff}.app-rail__sections{flex:1;min-height:0;padding:10px 0;overflow-y:auto;overflow-x:hidden}.app-rail__section-label{display:block;padding:14px 14px 5px;font-size:.6rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#ffffff47}.app-rail__group{position:relative}.app-rail__item{position:relative;display:flex;align-items:center;gap:10px;width:100%;padding:8px 14px;font-size:.85rem;text-decoration:none;color:#fff9;transition:background-color var(--transition-fast),color var(--transition-fast)}.app-rail__item:hover{background-color:var(--color-navbar-hover);color:#ffffffe6}.app-rail__item:focus-visible{outline:none;box-shadow:inset var(--focus-ring)}.app-rail__item--active{background-color:#e9542024;color:var(--color-accent)}.app-rail__item--active:hover{background-color:#e9542033;color:var(--color-accent)}.app-rail__item--active:before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;background-color:var(--color-accent);border-radius:0 2px 2px 0}.app-rail__icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:24px;height:24px}.app-rail__icon svg{width:16px;height:16px}.app-rail__footer{flex-shrink:0;border-top:1px solid rgba(255,255,255,.07);padding-top:4px}.app-rail__toggle{display:flex;align-items:center;gap:10px;width:100%;padding:10px 14px;background:none;border:none;font-family:var(--font-family);font-size:.8rem;text-align:left;color:#ffffff8c;cursor:pointer;transition:color var(--transition-fast)}.app-rail__toggle:hover{color:#ffffffd9}.app-rail__toggle:focus-visible{outline:none;box-shadow:inset var(--focus-ring)}.app-rail__toggle-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;flex-shrink:0;transition:transform var(--transition-normal)}.app-rail__toggle-icon svg{width:16px;height:16px}.app-rail--collapsed .app-rail__toggle-icon{transform:rotate(180deg)}.page-header{flex-shrink:0;height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 24px;background-color:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:10}.page-header__left{min-width:0;display:flex;align-items:center;overflow:hidden}.page-header__title{font-size:.95rem;font-weight:600;color:var(--color-fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.page-header__breadcrumbs{display:flex;align-items:center;flex-wrap:nowrap;min-width:0;overflow:hidden;font-size:.9rem}.page-header__crumb-wrap{display:inline-flex;align-items:center;min-width:0}.page-header__crumb-sep{margin:0 8px;color:var(--color-fg-muted)}.page-header__crumb{color:var(--color-fg-secondary);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.page-header__crumb:hover{color:var(--color-accent);text-decoration:underline}.page-header__crumb--current{font-weight:600;color:var(--color-fg)}.page-header__right{display:flex;align-items:center;gap:12px;flex-shrink:0}.page-header__repo{display:flex;align-items:center;gap:8px;min-width:0}.page-header__repo-label{font-size:.8rem;color:var(--color-fg-secondary);white-space:nowrap}.page-header__repo-select{max-width:220px;padding:5px 8px;font-size:.875rem;color:var(--color-fg);background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer}.page-header__repo-select:focus{outline:none;border-color:var(--color-accent)}.page-header__repo-status{font-size:.85rem;color:var(--color-fg-secondary);white-space:nowrap}.page-header__repo-status--error{color:var(--color-danger, #c7162b)}.page-header__repo-status--empty{color:var(--color-accent);text-decoration:none;font-weight:600}.page-header__repo-status--empty:hover{text-decoration:underline}@media (max-width: 768px){.page-header{padding:0 12px}.page-header__repo-label{display:none}.page-header__repo-select{max-width:140px}}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s ease-out}.modal-content{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:500px;width:90%;max-height:80vh;overflow:hidden;animation:slideIn .3s ease-out}.modal-header{padding:16px 20px;border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;background:var(--color-bg)}.modal-title{margin:0;color:var(--color-fg);font-size:18px;font-weight:600}.modal-close-button{background:none;border:none;font-size:24px;cursor:pointer;color:var(--color-fg-secondary);padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);transition:background-color var(--transition-normal),color var(--transition-normal)}.modal-close-button:hover{background-color:var(--color-surface-hover);color:var(--color-fg)}.modal-body{padding:20px;overflow-y:auto;max-height:calc(80vh - 80px)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(-50px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-body .create-root-form{display:flex;flex-direction:column;gap:16px}.modal-body .root-keyword-input{width:100%;max-width:none;padding:12px;border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:16px;font-family:var(--font-family);background-color:var(--color-surface);color:var(--color-fg);transition:border-color var(--transition-normal)}.modal-body .root-keyword-input:focus{outline:none;border-color:var(--color-border-focus);box-shadow:var(--focus-ring)}.modal-body .root-keyword-input:disabled{background-color:var(--color-bg);cursor:not-allowed}.modal-body .create-root-button{background-color:var(--color-accent);color:#fff;border:none;padding:12px 20px;border-radius:var(--radius-md);font-family:var(--font-family);cursor:pointer;font-size:16px;font-weight:500;transition:background-color var(--transition-normal);align-self:flex-start}.modal-body .create-root-button:hover:not(:disabled){background-color:var(--color-accent-hover)}.modal-body .create-root-button:disabled{background-color:var(--color-fg-secondary);cursor:not-allowed}@media (max-width: 768px){.modal-content{width:95%;margin:10px}.modal-header{padding:12px 16px}.modal-body{padding:16px}}.confirmation-dialog{max-width:400px}.confirmation-message{color:#495057;font-size:16px;line-height:1.5;margin:0}.confirmation-actions{display:flex;gap:10px;justify-content:flex-end;padding:16px 20px;border-top:1px solid #dee2e6;background:#f8f9fa}.admin-layout{height:100%;display:flex;flex-direction:row;overflow:hidden}.admin-layout__nav{flex-shrink:0;width:200px;padding:20px 0;overflow-y:auto;border-right:1px solid var(--color-border);background-color:var(--color-surface)}.admin-layout__group{margin-bottom:20px}.admin-layout__group-label{display:block;padding:4px 20px;font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--color-fg-secondary)}.admin-layout__link{display:block;padding:8px 20px;font-size:.875rem;text-decoration:none;color:var(--color-fg);border-left:3px solid transparent;transition:background-color var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast)}.admin-layout__link:hover{background-color:var(--color-surface-hover)}.admin-layout__link--active{color:var(--color-accent);border-left-color:var(--color-accent);background-color:var(--color-surface-hover);font-weight:600}.admin-layout__subgroup{margin-top:4px}.admin-layout__subgroup-label{display:block;padding:6px 20px 2px;font-size:.75rem;font-weight:600;color:var(--color-fg-secondary)}.admin-layout__subgroup .admin-layout__link{padding-left:32px}.admin-layout__content{flex:1;min-width:0;overflow-y:auto}@media (max-width: 768px){.admin-layout{flex-direction:column;overflow:visible;height:auto}.admin-layout__nav{width:100%;border-right:none;border-bottom:1px solid var(--color-border)}}