:root{--color-bg: #f4f6f8;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1a202c;--color-muted: #64748b;--color-primary: #0b7279;--color-primary-hover: #095c62;--color-primary-contrast: #ffffff;--color-danger: #c0392b;--color-danger-hover: #a53125;--color-sidebar-bg: #0f172a;--color-sidebar-text: #cbd5e1;--color-sidebar-active: #0b7279;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08);--font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--color-text);background:var(--color-bg);font-size:14px;line-height:1.5}a{color:var(--color-primary);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:var(--color-sidebar-bg);color:var(--color-sidebar-text);display:flex;flex-direction:column;padding:16px 0}.sidebar__brand{font-weight:700;color:#fff;padding:8px 20px 20px;font-size:16px;letter-spacing:.3px}.sidebar__section-title{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:#64748b;padding:14px 20px 6px}.sidebar__link{display:block;padding:8px 20px;color:var(--color-sidebar-text);font-size:14px}.sidebar__link:hover{background:#ffffff0d;color:#fff}.sidebar__link--active{background:var(--color-sidebar-active);color:#fff;font-weight:600}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.topbar__user{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--color-muted)}.content{padding:24px;flex:1}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.centered{min-height:100vh;display:grid;place-items:center;padding:24px}.stack{display:flex;flex-direction:column;gap:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius);padding:8px 16px;font-size:14px;font-weight:500;cursor:pointer;font-family:inherit;transition:background .15s ease}.btn:disabled{opacity:.6;cursor:not-allowed}.btn--primary{background:var(--color-primary);color:var(--color-primary-contrast)}.btn--primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn--secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.btn--secondary:hover:not(:disabled){background:var(--color-bg)}.btn--danger{background:var(--color-danger);color:#fff}.btn--danger:hover:not(:disabled){background:var(--color-danger-hover)}.btn--ghost{background:transparent;color:var(--color-primary)}.field{display:flex;flex-direction:column;gap:4px}.field__label{font-size:13px;font-weight:500;color:var(--color-text)}.field__control{padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:14px;font-family:inherit;background:var(--color-surface);color:var(--color-text)}.field__control:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #0b727926}.field__control--invalid{border-color:var(--color-danger)}.field__error{font-size:12px;color:var(--color-danger)}.field__hint{font-size:12px;color:var(--color-muted)}.alert{padding:10px 14px;border-radius:var(--radius);font-size:13px}.alert--error{background:#fdecea;color:var(--color-danger);border:1px solid #f5c6cb}.table-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:12px}.table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--color-border)}.table th{background:#f8fafc;font-weight:600;color:var(--color-muted);white-space:nowrap}.table th.sortable{cursor:pointer;-webkit-user-select:none;user-select:none}.table th.sortable:hover{color:var(--color-text)}.table tbody tr:hover{background:#f8fafc}.table__state{text-align:center;padding:32px;color:var(--color-muted)}.pagination{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-top:12px;font-size:13px;color:var(--color-muted)}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:grid;place-items:center;padding:24px;z-index:100}.dialog{background:var(--color-surface);border-radius:var(--radius);box-shadow:0 10px 40px #0003;width:100%;max-width:440px;padding:24px}.dialog__title{margin:0 0 12px;font-size:18px}.dialog__actions{display:flex;justify-content:flex-end;gap:8px;margin-top:24px}.file-upload{border:1.5px dashed var(--color-border);border-radius:var(--radius);padding:20px;text-align:center;color:var(--color-muted);cursor:pointer;background:var(--color-surface)}.file-upload:hover{border-color:var(--color-primary)}.file-upload__name{margin-top:8px;font-size:13px;color:var(--color-text)}.file-upload__progress{display:flex;align-items:center;gap:8px;margin-top:8px}.file-upload__progress-track{flex:1;height:6px;background:var(--color-border);border-radius:3px;overflow:hidden}.file-upload__progress-bar{height:100%;background:var(--color-primary);border-radius:3px;transition:width .15s ease}.file-upload__progress-pct{font-size:12px;color:var(--color-muted)}.file-upload__result{margin-top:8px;font-size:13px;color:var(--color-text)}.rte{border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.rte__toolbar{display:flex;flex-wrap:wrap;gap:4px;padding:6px;background:#f8fafc;border-bottom:1px solid var(--color-border)}.rte__btn{padding:4px 10px;font-size:13px}.rte__area{min-height:160px;border:none;border-radius:0;outline:none}.rte__area:focus{box-shadow:none}.rte__area img{max-width:100%}.spinner{width:28px;height:28px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.spinner-page{min-height:100vh;display:grid;place-items:center;gap:12px;color:var(--color-muted)}@keyframes spin{to{transform:rotate(360deg)}}.page-title{margin:0 0 4px;font-size:22px}.page-subtitle{margin:0 0 20px;color:var(--color-muted)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:#0b72791f;color:var(--color-primary)}.demo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}