*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}body{background:#fff;color:#111}.auth-bar{display:flex;justify-content:flex-end;align-items:center;gap:12px;padding:18px 28px;border-bottom:1px solid #e5e5e5;font-size:14px}.login-button,#logout-button{border:0;border-radius:8px;background:#111;color:#fff;padding:9px 14px;text-decoration:none;cursor:pointer;font:inherit}.container{max-width:1100px;margin:auto;padding:80px 20px}header{text-align:center;margin-bottom:60px}header h1{font-size:56px;margin-bottom:10px}header p{color:#777;font-size:18px}.cards{display:flex;gap:25px;justify-content:center}.card{width:300px;height:300px;background:white;border:1px solid #e5e5e5;border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:#111;transition:.25s}.card:hover{transform:translateY(-8px);box-shadow:0 15px 35px rgba(0,0,0,.1)}.icon{font-size:70px;margin-bottom:25px}.card h2{font-size:32px;margin-bottom:15px}.card span{color:#4A90E2;font-weight:bold}footer{text-align:center;color:#999;padding:30px}.login-modal[hidden]{display:none}.login-modal{position:fixed;z-index:20;inset:0;display:grid;place-items:center;padding:20px}.login-modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.35)}.login-modal__panel{position:relative;z-index:1;width:min(100%,400px);padding:32px;border-radius:18px;background:#fff;box-shadow:0 20px 50px rgba(0,0,0,.2)}.login-modal__panel h2{margin-bottom:10px}.login-modal__panel>div>p,form>p{color:#666;margin-bottom:20px}.login-modal__close{position:absolute;top:12px;right:14px;border:0;background:transparent;font-size:26px;cursor:pointer}.provider-button{display:block;width:100%;margin-top:10px;padding:13px;border:1px solid #ddd;border-radius:9px;background:#fff;color:#222;text-align:center;font:inherit;text-decoration:none;cursor:pointer}.provider-button:disabled{color:#999;cursor:not-allowed}.provider-button small{margin-left:5px}.text-button{border:0;background:transparent;color:#4A90E2;cursor:pointer;font:inherit}.login-modal label{display:block;margin-top:14px;font-size:13px;font-weight:bold}.login-modal input{display:block;width:100%;margin-top:7px;padding:12px;border:1px solid #ddd;border-radius:8px;font:14px Arial}.full{width:100%;margin-top:18px}.form-error{color:#c33!important;font-size:13px}.form-switch{text-align:center;margin:18px 0 0!important}@media(max-width:900px){.cards{flex-direction:column;align-items:center}.card{width:90%;max-width:350px}}@media(max-width:600px){.auth-bar{padding:15px}.auth-bar span{display:none}.container{padding-top:55px}header h1{font-size:44px}}