.signin-container{background-color:var(--bg-primary);justify-content:center;align-items:center;width:100%;min-height:100vh;padding:60px 0;display:flex;position:relative;overflow:hidden auto}.signin-container:before,.signin-container:after{content:"";border-radius:var(--radius-lg);background:radial-gradient(circle,var(--copper-subtle)0%,transparent 70%);filter:blur(80px);z-index:1;pointer-events:none;opacity:.6;width:60vh;height:60vh;position:absolute}.signin-container:before{top:-10%;right:-10%}.signin-container:after{bottom:-10%;left:-10%}.signin-content{z-index:10;width:100%;max-width:480px;padding:24px;position:relative}.signin-card{background:linear-gradient(180deg,rgba(var(--color-white-rgb),.03)0%,rgba(var(--color-black-rgb),.4)100%);-webkit-backdrop-filter:blur(40px)saturate(180%);border:1px solid rgba(var(--color-white-rgb),.08);text-align:center;box-shadow:0 40px 100px -20px #000c,inset 0 1px 0 rgba(var(--color-white-rgb),.15),inset 0 0 40px rgba(var(--color-white-rgb),.02);border-radius:32px;flex-direction:column;gap:48px;padding:56px 48px;display:flex;position:relative;overflow:hidden}.signin-card:before{content:"";background:radial-gradient(ellipse at top,rgba(var(--color-white-rgb),.05)0%,transparent 70%);pointer-events:none;height:150px;position:absolute;top:0;left:0;right:0}.signin-header{flex-direction:column;gap:12px;display:flex}.signin-title{font-family:var(--font-display);font-size:3.25rem;font-weight:var(--fw-medium);color:var(--color-white);letter-spacing:-2px;text-shadow:0 4px 24px rgba(var(--color-white-rgb),.2);margin-bottom:8px;line-height:1.1}.signin-subtitle{font-family:var(--font-ui);color:var(--text-muted);font-size:.85rem;font-weight:var(--fw-regular);letter-spacing:.1em;text-transform:uppercase}.signin-actions{flex-direction:column;gap:16px;display:flex}.btn-google{background-color:var(--color-white);color:var(--color-black);border-radius:var(--radius-lg);text-transform:none;letter-spacing:-.2px;border:1px solid #0000;justify-content:center;align-items:center;gap:16px;width:100%;height:60px;font-size:1.05rem;transition:all .4s cubic-bezier(.16,1,.3,1);display:flex;position:relative;overflow:hidden;box-shadow:0 4px 12px #0000001a}.btn-google:hover{box-shadow:0 10px 30px #0003}.btn-google:active{background-color:#f8f8f8;transform:scale(.97);box-shadow:inset 0 2px 4px #0000001a}.btn-google:after{content:"";border-radius:var(--radius-lg);pointer-events:none;position:absolute;inset:0;box-shadow:inset 0 0 0 1px #0000000d}.google-icon-wrapper{justify-content:center;align-items:center;display:flex}.signin-footer{padding-top:10px}.terms-text{color:var(--text-muted);font-size:.75rem;line-height:1.6}.terms-text a{color:var(--color-copper);text-decoration:none;transition:color .2s}.terms-text a:hover{color:var(--color-white);text-decoration:underline}.back-link{color:var(--text-muted);font-size:.9rem;font-family:var(--font-ui);opacity:.7;align-items:center;gap:10px;font-weight:500;text-decoration:none;transition:all .3s cubic-bezier(.16,1,.3,1);display:flex;position:absolute;top:-55px;left:24px}.back-link:hover{color:var(--text-primary);opacity:1;transform:translate(-4px)}@media (max-width:768px){.signin-card{padding:48px 32px}.signin-title{font-size:2.8rem}}@media (max-width:600px){.signin-content{margin-top:40px;padding:20px}.back-link{font-size:.85rem!important;top:-48px!important;left:24px!important}.signin-card{gap:32px;padding:40px 24px}.signin-title{letter-spacing:-1px;font-size:2.25rem}.signin-header{gap:8px}}@media (max-width:480px){.signin-card{border-radius:24px;gap:28px;padding:32px 20px}.signin-title{font-size:1.85rem}.btn-google{gap:12px;height:54px;font-size:.95rem}.google-icon-wrapper svg{width:20px;height:20px}}@media (max-width:360px){.signin-title{font-size:1.6rem}.signin-subtitle{letter-spacing:.05em;font-size:.75rem}.terms-text{font-size:.7rem}}