:root{--bg-main:#0f172a;--card-bg:#1e293b;--border-color:#334155;--text-main:#f8fafc;--text-muted:#94a3b8;--primary:#3b82f6;--primary-hover:#2563eb;--success-bg:#10b9811a;--success-text:#34d399;--error-bg:#ef44441a;--error-text:#f87171}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;display:flex}.page-container{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:2rem 1rem}.hidden{display:none!important}.alert{text-align:center;border-radius:8px;margin-top:1rem;padding:.75rem 1rem;font-size:.9rem;font-weight:500}.alert.success{background-color:var(--success-bg);color:var(--success-text);border:1px solid var(--success-text)}.alert.error{background-color:var(--error-bg);color:var(--error-text);border:1px solid var(--error-text)}.footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);background-color:var(--card-bg);margin-top:auto;padding:1.5rem;font-size:.85rem}.navbar{background-color:var(--card-bg,#1e293b);border-bottom:1px solid var(--border-color,#334155);z-index:1000;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:1rem;padding:.65rem clamp(1rem,4vw,2.5rem);font-family:Georgia,Times New Roman,serif;display:grid;position:sticky;top:0;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.navbar-brand{grid-column:1;justify-self:start;min-width:0}.navbar-brand a{align-items:center;text-decoration:none;display:inline-flex}.navbar-brand img{object-fit:contain;width:auto;max-width:min(20vw,140px);height:64px;display:block}.navbar-title{color:var(--text-main,#f8fafc);text-align:center;white-space:nowrap;grid-column:2;margin:0;font-size:clamp(1.15rem,2.2vw,1.65rem);font-weight:700;line-height:1.2;display:none}.navbar-brand a:hover img{opacity:.85}.navbar-brand a:focus-visible,.navbar-links a:focus-visible,.navbar-toggle:focus-visible{outline:2px solid var(--primary,#3b82f6);outline-offset:4px}.navbar-links{grid-column:3;justify-self:end;align-items:center;gap:1rem;margin:0;padding:0;list-style:none;display:flex}.navbar-links li a{color:var(--text-muted,#94a3b8);border-radius:8px;padding:.5rem .85rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .2s ease-in-out}.navbar-links li a:focus-visible,.navbar-links li a:hover{color:var(--text-main,#f8fafc);background-color:#3b82f61a}.navbar-links li a[href*=auth\.html]{background-color:var(--primary,#3b82f6);color:#fff;box-shadow:0 2px 4px #3b82f633}.navbar-links li a[href*=auth\.html]:hover{background-color:var(--primary-hover,#2563eb);transform:translateY(-1px)}.navbar-toggle{cursor:pointer;background:0 0;border:none;border-radius:10px;flex-direction:column;grid-column:3;justify-self:end;gap:5px;padding:.65rem;transition:background-color .2s;display:none}.navbar-toggle:hover{background-color:#94a3b81f}.navbar-toggle span{background-color:var(--text-main,#f8fafc);border-radius:2px;width:22px;height:2px;transition:transform .2s,opacity .2s;display:block}.navbar-toggle[aria-expanded=true] span:first-child{transform:translateY(7px)rotate(45deg)}.navbar-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.navbar-toggle[aria-expanded=true] span:last-child{transform:translateY(-7px)rotate(-45deg)}@media (width<=768px){.navbar{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:.75rem;padding:.5rem 1rem}.navbar-brand img{max-width:64px;height:60px}.navbar-title{grid-column:2;font-size:clamp(1rem,4.5vw,1.3rem);display:block}.navbar-toggle{grid-column:3;display:flex}.navbar-links{background-color:var(--card-bg,#1e293b);border:1px solid var(--border-color,#334155);opacity:0;visibility:hidden;pointer-events:none;border-radius:0 0 14px 14px;flex-direction:column;grid-column:auto;justify-self:auto;align-items:stretch;gap:.35rem;padding:.75rem;transition:opacity .2s,transform .2s,visibility .2s;position:absolute;top:100%;left:.75rem;right:.75rem;transform:translateY(-.5rem);box-shadow:0 14px 30px -12px #00000080}.navbar-links.active{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.navbar-links li a{text-align:left;padding:.8rem .9rem;font-size:1rem;display:block}}.navbar-links li a#btn-logout{color:#f87171;border:1px solid #ef44444d}.navbar-links li a#btn-logout:hover{color:#ef4444;background-color:#ef444426;border-color:#ef444480}