:root{--admin-bg:#f4f5f7;--admin-surface:#ffffff;--admin-border:#e5e7eb;--admin-text:#1c1f26;--admin-text-dim:#676c76;--admin-primary:#2c3e50;--admin-primary-hover:#1c2b38;--admin-primary-soft:#eef1f4;--admin-danger:#ba1a1a;--admin-sidebar-bg:#14171d;--admin-sidebar-bg-raised:#1b1f27;--admin-sidebar-border:#262b34;--admin-sidebar-text:#a7acb6;--admin-sidebar-text-active:#ffffff;--admin-accent:#4e6073;--admin-radius:10px;--admin-shadow:0 1px 2px rgba(16,20,27,0.04),0 8px 24px rgba(16,20,27,0.06)}*{box-sizing:border-box}.admin-body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--admin-bg);color:var(--admin-text);-webkit-font-smoothing:antialiased}.admin-shell{display:flex;min-height:100vh}.admin-sidebar{position:sticky;top:0;height:100vh;width:256px;flex-shrink:0;background:var(--admin-sidebar-bg);border-right:1px solid var(--admin-sidebar-border);display:flex;flex-direction:column;overflow-y:auto}.admin-sidebar-brand{display:flex;align-items:center;gap:10px;padding:20px 18px;color:#fff;text-decoration:none;border-bottom:1px solid var(--admin-sidebar-border);font-weight:600;font-size:14px;line-height:1.3}.admin-sidebar-brand small{display:block;color:var(--admin-sidebar-text);font-weight:400;font-size:11px;margin-top:2px}.admin-sidebar-brand-mark{display:grid;place-items:center;width:34px;height:34px;flex-shrink:0;border-radius:9px;background:var(--admin-accent);color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em}.admin-sidebar-nav{flex:1;padding:12px 12px 24px;display:flex;flex-direction:column;gap:18px}.admin-sidebar-section{display:flex;flex-direction:column;gap:2px}.admin-sidebar-group{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:#5b6170;padding:6px 10px}.admin-sidebar-link{display:flex;align-items:center;gap:10px;color:var(--admin-sidebar-text);text-decoration:none;padding:9px 10px;border-radius:8px;font-size:13.5px;font-weight:500;transition:background-color .12s ease,color .12s ease}.admin-sidebar-link svg{flex-shrink:0;opacity:.8}.admin-sidebar-link:hover{background:var(--admin-sidebar-bg-raised);color:#fff}.admin-sidebar-link.active{background:var(--admin-accent);color:#fff}.admin-sidebar-link.active svg{opacity:1}.admin-content{flex:1;min-width:0;display:flex;flex-direction:column}.admin-topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:16px 32px;background:color-mix(in srgb,var(--admin-bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--admin-border)}.admin-topbar-title{margin:0;font-size:15px;font-weight:700;color:var(--admin-text)}.admin-topbar-actions{display:flex;align-items:center;gap:10px}.admin-main{flex:1;padding:28px 32px 48px;max-width:880px;width:100%}.admin-card{background:var(--admin-surface);border:1px solid var(--admin-border);border-radius:var(--admin-radius);box-shadow:var(--admin-shadow);padding:24px;margin-bottom:20px}.admin-h1{font-size:22px;font-weight:700;margin:0 0 8px}.admin-p-dim{color:var(--admin-text-dim);font-size:14px}.admin-btn{display:inline-flex;align-items:center;gap:6px;border:none;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer;background:var(--admin-primary);color:#fff;transition:background-color .12s ease}.admin-btn:hover{background:var(--admin-primary-hover)}.admin-btn:disabled{opacity:.6;cursor:not-allowed}.admin-btn.secondary{background:transparent;color:var(--admin-text);border:1px solid var(--admin-border)}.admin-btn.secondary:hover{background:var(--admin-primary-soft)}.admin-btn.danger{background:var(--admin-danger)}.admin-input,.admin-select,.admin-textarea{width:100%;border:1px solid var(--admin-border);border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit;box-sizing:border-box;background:#fff;color:var(--admin-text)}.admin-input:focus,.admin-select:focus,.admin-textarea:focus{outline:2px solid var(--admin-accent);outline-offset:1px}.admin-label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.admin-field{margin-bottom:16px}.admin-error{font-size:13px;margin-top:8px}.admin-error,.admin-required{color:var(--admin-danger)}.admin-login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--admin-bg)}.admin-login-card{width:340px;background:#fff;border:1px solid var(--admin-border);border-radius:14px;padding:32px;box-shadow:var(--admin-shadow)}.admin-tabs{display:flex;gap:4px;margin-bottom:20px;border-bottom:1px solid var(--admin-border)}.admin-tab{padding:8px 14px;font-size:14px;font-weight:600;color:var(--admin-text-dim);cursor:pointer;background:none;border:none;border-bottom:2px solid transparent}.admin-tab.active{color:var(--admin-primary);border-bottom-color:var(--admin-primary)}@media (max-width:860px){.admin-shell{flex-direction:column}.admin-sidebar{position:relative;width:100%;height:auto}.admin-sidebar-nav{flex-direction:row;flex-wrap:wrap;gap:8px}.admin-sidebar-section{flex-direction:row;flex-wrap:wrap;align-items:center;gap:4px}.admin-sidebar-group{width:100%}.admin-main{max-width:100%}}