*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:"Ubuntu", "Inter", "Segoe UI",sans-serif;
}
body{
    min-height:100vh;
    background:
    radial-gradient(circle at top left,#1d4ed822,transparent 30%),
    radial-gradient(circle at bottom right,#06b6d422,transparent 35%),
    #0f172a;
    color:white;
}
body::before{
    content:"";
    position:fixed;
    inset:0;
    background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
    background-size:32px 32px;
    pointer-events:none;
}
.topbar{
    height:74px;
    display:flex;
    align-items:center;
    padding:0 40px;
    background:rgba(15,23,42,.65);
    backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(255,255,255,.08);
}
.brand{
    display:flex;
    align-items:center;
    gap:16px;
    user-select: none;
}
.logo{
    width:42px;
    user-select: none;
    pointer-events: none;
}
.brand h2{
    font-size:21px;
    font-weight:600;
}
.brand span{
    color:#94a3b8;
    font-size:13px;
}
main{
    max-width:480px;
    margin:150px auto;
    padding:0 30px;
}
.login h1{
    font-size:42px;
    margin-bottom:30px;
}
.register-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    text-decoration: none;
}
.register-text {
    color: #dadada;
    margin: 0; 
    line-height: 1.6;
}
.register-icon {
    transition: transform 0.2s ease-in-out;
}
.register-link:hover .register-text {
    text-decoration: underline;
    color: #dadada;
}
.register-link:hover .register-icon {
    transform: scale(1.15);
}
.field{
    margin-bottom:26px;
}
label{
    display:block;
    margin-bottom:10px;
    color:#cbd5e1;
    font-size:14px;
}
input{
    width:100%;
    height:54px;
    border-radius:12px;
    border:1px solid #334155;
    background:#172033;
    color:white;
    padding:0 18px;
    font-size:15px;
    transition:.2s;
}
input:focus{
    outline:none;
    border-color:#3b82f6;
    box-shadow:0 0 0 3px rgba(59,130,246,.25);
}
.tooltip-container {
    position: relative;
}

.tooltip {
    position: absolute;
    left: 85%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%) translateY(5px);

    padding: 5px 10px;
    border-radius: 50px;

    background-color: #fff;
    color: #0f172a;
    font-family: "Source Code Pro", monospace;
    font-size: 13px;
    white-space: nowrap;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transition:
        opacity 0.2s ease,
        transform 0.2s ease;
}

.tooltip::after {
    content: "";
    position: absolute;

    width: 8px;
    height: 8px;

    left: 50%;
    bottom: -4px;

    transform: translateX(-50%) rotate(45deg);

    background-color: #fff;
}

.tooltip-container:hover .tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
button{
    width:100%;
    height:54px;
    border:none;
    border-radius:12px;
    cursor:pointer;
    color:white;
    font-size:15px;
    font-weight:600;
    background:linear-gradient(90deg,#0f1c38,#132138);
    transition:.2s;
}
button:hover{
    transform:translateY(-2px);
    box-shadow:0 10px 25px rgba(37,99,235,.35);
}
#error{
    display:none;
    margin-top:22px;
    color:#f87171;
}
#loading{
    display:none;
    margin-top:22px;
    color:#60a5fa;
}