:root{--bg-1: #eef6ff;--bg-2: #fff3df;--bg-3: #e8fff2;--card-bg: rgba(255, 255, 255, .93);--card-border: rgba(10, 34, 66, .1);--text: #0a2242;--muted: #3f5671;--button: #0aa7db;--button-hover: #0b4a93}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{font-family:IBM Plex Sans,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at 8% 8%,var(--bg-1),transparent 45%),radial-gradient(circle at 90% 14%,var(--bg-2),transparent 42%),radial-gradient(circle at 45% 82%,var(--bg-3),transparent 44%),#f6f8fb}.page{min-height:100vh;display:grid;place-items:center;padding:24px}.main-card{width:min(1020px,100%);background:var(--card-bg);border:1px solid var(--card-border);border-radius:24px;box-shadow:0 22px 60px #0a22421f;padding:28px}.header{margin-bottom:20px}.logo{width:min(220px,100%);display:block;margin:0 auto 12px}.subtitle{margin:0;font-size:clamp(20px,3vw,32px);line-height:1.18;font-weight:700;text-align:center}.content-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}.left{max-width:520px}.auth-text{margin:0 0 16px;font-size:clamp(17px,2.1vw,24px);line-height:1.35;color:var(--muted);text-align:left}.button{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:0;border-radius:12px;background:var(--button);color:#fff;font-size:17px;font-weight:600;min-height:48px;padding:0 22px;transition:transform .08s ease,background-color .2s ease}.button:hover{background:var(--button-hover)}.button:active{transform:translateY(1px)}.right{display:flex;justify-content:center}.login-image{width:min(100%,420px);height:auto;border-radius:18px}@media(max-width:860px){.main-card{padding:22px}.content-grid{grid-template-columns:1fr}.right{order:2}}@media(max-width:520px){.page{padding:14px}.main-card{border-radius:18px;padding:16px}.button{width:100%}}