:root{--oas-navy:#06265f;--oas-deep-blue:#083b82;--oas-blue:#0a68d5;--oas-light-blue:#31b5f5;--oas-white:#fff;--sidebar-width:264px;--surface-bg:#f4f8fd;--surface-card:#fff;--surface-card-border:#ffffffd9;--surface-ink:#18304f;--surface-muted:#6b7b91;--surface-line:#06265f1a;--surface-track:#e8f0f8;--surface-item-bg:#fff;--surface-item-border:#e8f0f8;--surface-quick-start:#fff;--surface-quick-end:#f8fbff;--surface-topbar-bg:#ffffffc7;--surface-topbar-border:#06265f14;--scrollbar-track:transparent;--scrollbar-thumb:#18304f38;--scrollbar-thumb-hover:var(--oas-blue)}[data-theme=dark]{--surface-bg:#0a1120;--surface-card:#121b2e;--surface-card-border:#ffffff0f;--surface-ink:#e8edf7;--surface-muted:#94a3bd;--surface-line:#ffffff14;--surface-track:#ffffff17;--surface-item-bg:#17223a;--surface-item-border:#ffffff12;--surface-quick-start:#17223a;--surface-quick-end:#121b2e;--surface-topbar-bg:#0a1120c7;--surface-topbar-border:#ffffff12;--scrollbar-thumb:#e8edf72e;--scrollbar-thumb-hover:var(--oas-light-blue)}*{scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background-color:var(--scrollbar-thumb);background-clip:padding-box;border:2px solid #0000;border-radius:999px}::-webkit-scrollbar-thumb:hover{background-color:var(--scrollbar-thumb-hover)}::-webkit-scrollbar-button{width:0;height:0;display:none}*,:before,:after{box-sizing:border-box}html,body{min-height:100%}body{color:var(--surface-ink);background:var(--surface-bg);margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;transition:background-color .2s,color .2s}.auth-page{background:radial-gradient(circle at 15% 85%,#0a68d512,#0000 45%),radial-gradient(circle at 85% 15%,#31b5f51a,#0000 45%);justify-content:center;align-items:center;min-height:100vh;padding:32px 20px;display:flex;position:relative;overflow:hidden}[data-theme=dark] .auth-page{background:radial-gradient(circle at 15% 85%,#0a68d51a,#0000 45%),radial-gradient(circle at 85% 15%,#31b5f51a,#0000 45%)}.auth-glow{pointer-events:none;background:radial-gradient(circle at 50% 0,#31b5f538,#0000 60%);height:60%;position:absolute;inset:-20% -10% auto}[data-theme=dark] .auth-glow{background:radial-gradient(circle at 50% 0,#31b5f529,#0000 60%)}.auth-trend{opacity:.5;pointer-events:none;align-items:flex-end;gap:8px;height:220px;display:flex;position:absolute;bottom:8%}.auth-trend--left{left:4%}.auth-trend--right{right:4%}.auth-trend__bar{background:linear-gradient(180deg, var(--oas-light-blue), var(--oas-blue));border-radius:6px 6px 0 0;width:16px}[data-theme=dark] .auth-trend{opacity:.28}@media (width<=1150px){.auth-trend{display:none}}.auth-shell{z-index:1;flex-direction:column;align-items:center;width:100%;max-width:460px;display:flex;position:relative}.auth-brand{flex-direction:column;align-items:center;gap:10px;margin-bottom:26px;text-decoration:none;display:flex}.auth-brand__logo{object-fit:contain;width:auto;height:68px;display:block}.auth-brand__logo--dark,[data-theme=dark] .auth-brand__logo--light{display:none}[data-theme=dark] .auth-brand__logo--dark{display:block}.auth-brand__mark{color:#fff;background:linear-gradient(135deg, var(--oas-navy), var(--oas-blue));letter-spacing:-.02em;border-radius:18px;place-items:center;width:64px;height:64px;font-size:1.5rem;font-weight:900;display:grid;box-shadow:0 16px 30px #0a68d547}.auth-brand__name{color:var(--surface-ink);letter-spacing:-.01em;font-size:1.05rem;font-weight:800}.auth-brand__tag{color:var(--surface-muted);letter-spacing:.16em;text-transform:uppercase;font-size:.72rem;font-weight:700}.auth-card{border:1px solid var(--surface-card-border);background:var(--surface-card);border-radius:26px;width:100%;padding:36px 32px;transition:background-color .2s,border-color .2s;box-shadow:0 30px 60px #06265f24}.auth-heading{color:var(--surface-ink);letter-spacing:-.01em;text-align:center;margin:0;font-size:1.6rem;font-weight:900}.auth-subtitle{color:var(--surface-muted);text-align:center;margin:8px 0 26px;font-size:.9rem}.auth-field{margin-bottom:18px}.auth-field__label{color:var(--surface-ink);margin-bottom:7px;font-size:.82rem;font-weight:700;display:block}.auth-field__control{position:relative}.auth-field__icon{color:var(--surface-muted);pointer-events:none;place-items:center;display:grid;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.auth-field__icon svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.auth-input{border:1px solid var(--surface-line);width:100%;height:48px;color:var(--surface-ink);background:var(--surface-bg);border-radius:12px;padding:0 14px 0 44px;font-family:inherit;font-size:.92rem;transition:border-color .2s,box-shadow .2s}.auth-input:focus{border-color:var(--oas-blue);outline:none;box-shadow:0 0 0 3px #0a68d529}.auth-input::placeholder{color:var(--surface-muted)}.auth-field__toggle{width:30px;height:30px;color:var(--surface-muted);cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;display:grid;position:absolute;top:50%;right:10px;transform:translateY(-50%)}.auth-field__toggle:hover{color:var(--surface-ink)}.auth-field__toggle svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.auth-field__error{color:#ef4444;margin-top:6px;font-size:.78rem;font-weight:600}.auth-row{justify-content:space-between;align-items:center;margin-bottom:22px;font-size:.84rem;display:flex}.auth-checkbox{color:var(--surface-muted);align-items:center;gap:8px;font-weight:600;display:inline-flex}.auth-checkbox input{width:16px;height:16px;accent-color:var(--oas-blue)}.auth-link{color:var(--oas-blue);font-weight:700;text-decoration:none}.auth-link:hover{text-decoration:underline}.auth-submit{color:#fff;background:linear-gradient(135deg, var(--oas-navy), var(--oas-blue));cursor:pointer;border:0;border-radius:12px;justify-content:center;align-items:center;gap:10px;width:100%;min-height:50px;font-family:inherit;font-size:.96rem;font-weight:800;transition:transform .2s,box-shadow .2s;display:flex;box-shadow:0 16px 30px #0a68d547}.auth-submit:hover{transform:translateY(-1px);box-shadow:0 20px 36px #0a68d557}.auth-submit:disabled{opacity:.7;cursor:not-allowed;transform:none}.auth-submit svg{fill:none;stroke:currentColor;stroke-width:2.2px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.auth-status{color:#15803d;background:#22c55e1f;border-radius:10px;margin-bottom:18px;padding:10px 14px;font-size:.84rem;font-weight:700}.auth-footer{color:var(--surface-muted);text-align:center;margin-top:22px;font-size:.76rem}.auth-theme-toggle{z-index:2;border:1px solid var(--surface-line);width:44px;height:44px;color:var(--surface-ink);background:var(--surface-card);cursor:pointer;border-radius:12px;place-items:center;display:grid;position:fixed;top:22px;right:22px;box-shadow:0 10px 24px #06265f1a}.auth-theme-toggle svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:19px;height:19px}@media (width<=480px){.auth-card{padding:28px 22px}}.auth-link-btn{color:#0a5fc7;font:inherit;cursor:pointer;background:0 0;border:0;padding:0;font-size:.88rem;font-weight:600;text-decoration:none}.auth-hint{color:#6b7a90;margin:-4px 0 16px;font-size:.82rem}.auth-input--code{letter-spacing:.5em;text-align:center;padding-left:16px;font-family:Consolas,Menlo,monospace;font-size:1.3rem}