:root{--merlot:#641f35;--merlot-deep:#4c1428;--ink:#182126;--muted:#6f7779;--page:#f2eee8;--panel:#fff;--soft:#ece7df;--line:#ded8cf;--success:#e2ede1;--success-text:#2f5d39;--danger:#fae4e4;--danger-text:#8c2626}*{box-sizing:border-box}html{font-family:Arial,sans-serif;color:var(--ink);background:var(--page)}body{margin:0}button,input{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:230px minmax(0,1fr)}.sidebar{background:var(--merlot-deep);color:#fff8f3;padding:24px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand,.auth-brand{display:flex;align-items:center;gap:10px;font-weight:700}.brand{color:#fff;text-decoration:none;padding:0 10px 28px}.brand-mark{width:32px;height:32px;border:1px solid currentColor;border-radius:9px;display:grid;place-items:center;font-family:Georgia,serif}.main-nav{display:grid;gap:6px}.main-nav a,.main-nav .disabled{min-height:44px;display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;color:#f8edeebd;text-decoration:none}.main-nav a.active{background:#ffffff24;color:#fff}.main-nav .disabled{opacity:.55}.main-nav small{margin-left:auto;font-size:10px}.sidebar-user{margin-top:auto;padding:18px 10px 0;border-top:1px solid #ffffff26}.sidebar-user strong,.sidebar-user span{display:block}.sidebar-user span{color:#f8edeebd;font-size:13px;margin-top:3px}.sidebar-user button{border:0;background:transparent;color:#fff;padding:12px 0;margin-top:8px}.app-content{min-width:0;padding:32px}.menu-toggle{display:none}.page-header{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--merlot);font-weight:700;font-size:11px;margin:0 0 7px}h1{font-size:clamp(34px,5vw,54px);line-height:1.05;margin:0}h2{font-size:26px;margin:8px 0 12px}.primary-button{border:0;border-radius:9px;background:var(--merlot);color:#fff;padding:14px 18px;font-weight:700;min-height:46px}.primary-button:disabled{opacity:.55}.foundation-card{background:var(--panel);border-radius:16px;padding:28px;max-width:900px}.foundation-card>p:not(.eyebrow){color:var(--muted);line-height:1.6;max-width:700px}.foundation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.foundation-grid div{background:var(--soft);padding:16px;border-radius:10px}.foundation-grid span,.foundation-grid strong{display:block}.foundation-grid span{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:6px}.text-link{color:var(--merlot);font-weight:700}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--page)}.auth-shell{width:min(480px,100%)}.auth-card{background:var(--panel);padding:38px;border-radius:18px;box-shadow:0 18px 60px #18212614}.auth-card.wide{width:min(620px,calc(100vw - 32px));margin-left:50%;transform:translateX(-50%)}.auth-brand{color:var(--merlot);margin-bottom:32px}.auth-card h1{font-size:38px}.auth-intro{color:var(--muted);line-height:1.5;margin:10px 0 24px}.form-stack,.form-grid{display:grid;gap:16px}.form-grid{grid-template-columns:1fr 1fr}.form-grid .full{grid-column:1/-1}label{font-size:13px;font-weight:700}input{display:block;width:100%;padding:14px;margin-top:7px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-size:16px}label small{display:block;margin-top:5px;color:var(--muted);font-weight:400}.alert{padding:12px 14px;border-radius:9px;line-height:1.4}.alert.error{background:var(--danger);color:var(--danger-text)}.alert.success{background:var(--success);color:var(--success-text)}@media(max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:min(280px,85vw);z-index:10;transform:translateX(-105%);transition:transform .2s ease;box-shadow:12px 0 40px #0003}.sidebar.open{transform:translateX(0)}.app-content{padding:20px 16px}.menu-toggle{display:block;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:10px 13px;margin-bottom:22px}.page-header{align-items:start;flex-direction:column}.page-header .primary-button{width:100%}.foundation-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.auth-card{padding:28px 22px}}