:root{--clr-bg-deep:#fff;--clr-bg-card:#f8fafc;--clr-bg-surface:#f1f5f9;--clr-emerald-accent:#044b3c;--clr-emerald-light:#0d9488;--clr-silver-light:#022c22;--clr-silver-mid:#334155;--clr-silver-dark:#64748b;--clr-silver-border:#044b3c1f;--clr-silver-glowing:#044b3c40;--clr-danger:#b91c1c;--clr-danger-bg:#b91c1c14;--font-heading:var(--font-playfair-display), serif;--font-body:var(--font-montserrat), sans-serif;--border-radius-sm:4px;--border-radius-md:8px;--border-radius-lg:16px;--transition-smooth:all .3s cubic-bezier(.25, .8, .25, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--clr-bg-deep);color:var(--clr-silver-mid);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.auth-shell{grid-template-columns:1.05fr 1fr;min-height:100vh;display:grid}.auth-brand{color:#ecfdf5;background:radial-gradient(circle at 18% 12%,#0d948859,#0000 55%),linear-gradient(155deg,#022c22 0%,#044b3c 55%,#01201a 100%);flex-direction:column;justify-content:space-between;padding:48px 56px;display:flex;position:relative;overflow:hidden}.auth-brand:after{content:"";pointer-events:none;border:1px solid #ecfdf524;border-radius:50%;width:460px;height:460px;position:absolute;bottom:-160px;right:-140px;box-shadow:inset 0 0 0 60px #ecfdf50a}.auth-brand-top{z-index:1;align-items:center;gap:14px;display:flex;position:relative}.auth-brand-logo{border:1px solid #ecfdf559;border-radius:50%}.auth-brand-name{font-family:var(--font-heading);letter-spacing:.18em;text-transform:uppercase;font-size:1.4rem}.auth-brand-body{z-index:1;max-width:30ch;position:relative}.auth-brand-body h1{font-family:var(--font-heading);color:#fff;font-size:clamp(2rem,3.4vw,3rem);font-weight:600;line-height:1.15}.auth-brand-body p{color:#ecfdf5c7;margin-top:18px;font-size:.92rem;line-height:1.75}.auth-brand-points{z-index:1;flex-direction:column;gap:14px;list-style:none;display:flex;position:relative}.auth-brand-points li{letter-spacing:.06em;color:#ecfdf5d9;align-items:center;gap:12px;font-size:.82rem;display:flex}.auth-brand-points svg{width:18px;height:18px;fill:var(--clr-emerald-light);flex-shrink:0}.auth-panel{background-color:var(--clr-bg-deep);justify-content:center;align-items:center;padding:48px 32px;display:flex}.auth-card{width:100%;max-width:420px}.auth-card-header{margin-bottom:32px}.auth-eyebrow{letter-spacing:.28em;text-transform:uppercase;color:var(--clr-emerald-light);margin-bottom:12px;font-size:.68rem;font-weight:600;display:block}.auth-card-header h2{font-family:var(--font-heading);color:var(--clr-silver-light);font-size:2rem;font-weight:600}.auth-card-header p{color:var(--clr-silver-dark);margin-top:10px;font-size:.88rem}.auth-form{flex-direction:column;gap:20px;display:flex}.auth-field{flex-direction:column;gap:8px;display:flex}.auth-field label{letter-spacing:.12em;text-transform:uppercase;color:var(--clr-silver-mid);font-size:.72rem;font-weight:600}.auth-field input{width:100%;font-family:var(--font-body);color:var(--clr-silver-light);background-color:var(--clr-bg-card);border:1px solid var(--clr-silver-border);border-radius:var(--border-radius-sm);transition:var(--transition-smooth);padding:13px 15px;font-size:.92rem}.auth-field input::placeholder{color:#94a3b8}.auth-field input:focus{border-color:var(--clr-emerald-accent);background-color:var(--clr-bg-deep);box-shadow:0 0 0 3px var(--clr-silver-glowing);outline:none}.auth-field input[aria-invalid=true]{border-color:var(--clr-danger)}.auth-field-error{color:var(--clr-danger);font-size:.76rem}.auth-hint{color:var(--clr-silver-dark);font-size:.74rem}.auth-alert{color:var(--clr-danger);background-color:var(--clr-danger-bg);border-radius:var(--border-radius-sm);border:1px solid #b91c1c40;align-items:flex-start;gap:10px;padding:12px 14px;font-size:.8rem;display:flex}.auth-alert svg{width:16px;height:16px;fill:var(--clr-danger);flex-shrink:0;margin-top:1px}.auth-submit{width:100%;font-family:var(--font-body);letter-spacing:.15em;text-transform:uppercase;color:#ecfdf5;background-color:var(--clr-emerald-accent);border:1px solid var(--clr-emerald-accent);border-radius:var(--border-radius-sm);cursor:pointer;transition:var(--transition-smooth);justify-content:center;align-items:center;margin-top:4px;padding:14px 32px;font-size:.78rem;font-weight:600;display:inline-flex}.auth-submit:hover:not(:disabled){background-color:var(--clr-silver-light);box-shadow:0 6px 18px var(--clr-silver-glowing);transform:translateY(-1px)}.auth-submit:disabled{opacity:.6;cursor:progress}.auth-switch{color:var(--clr-silver-dark);text-align:center;margin-top:26px;font-size:.84rem}.auth-switch a{color:var(--clr-emerald-accent);transition:var(--transition-smooth);border-bottom:1px solid #0000;font-weight:600}.auth-switch a:hover{border-bottom-color:var(--clr-emerald-accent)}.auth-back{letter-spacing:.08em;color:var(--clr-silver-dark);transition:var(--transition-smooth);align-items:center;gap:6px;margin-top:18px;font-size:.76rem;display:inline-flex}.auth-back:hover{color:var(--clr-emerald-accent)}.auth-back svg{fill:currentColor;width:14px;height:14px}.auth-demo{color:var(--clr-silver-mid);background-color:var(--clr-bg-surface);border:1px dashed var(--clr-silver-border);border-radius:var(--border-radius-sm);margin-top:28px;padding:14px 16px;font-size:.76rem;line-height:1.7}.auth-demo strong{letter-spacing:.16em;text-transform:uppercase;color:var(--clr-silver-dark);margin-bottom:4px;font-size:.68rem;display:block}.auth-demo code{color:var(--clr-emerald-accent);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.74rem}@media (max-width:900px){.auth-shell{grid-template-columns:1fr}.auth-brand{gap:28px;padding:32px 28px}.auth-brand-body h1{font-size:1.75rem}.auth-brand-points{flex-flow:wrap;gap:10px 20px}.auth-panel{padding:40px 24px 56px}}@media (max-width:520px){.auth-brand-body p,.auth-brand-points{display:none}.auth-card-header h2{font-size:1.6rem}}