:root{
    --bg:#0f172a;
    --bg2:#111827;
    --card:rgba(17,24,39,.88);
    --border:rgba(255,255,255,.08);
    --text:#f8fafc;
    --muted:#94a3b8;
    --primary:#2563eb;
    --primary-hover:#1d4ed8;
    --danger:#ef4444;
    --success:#22c55e;
    --shadow:0 20px 60px rgba(0,0,0,.45);
    --radius:18px;
    --transition:.2s ease;
    --font:Inter,"Segoe UI",Roboto,Arial,sans-serif;
}

*,
*::before,
*::after{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    font-size:16px;
}

body{
    min-height:100vh;
    overflow:hidden;
    display:flex;
    justify-content:center;
    align-items:center;
    font-family:var(--font);
    background:linear-gradient(135deg,#0f172a,#1e293b,#0f172a);
    color:var(--text);
}

.background{
    position:fixed;
    inset:0;
    overflow:hidden;
    z-index:0;
}

.blob{
    position:absolute;
    border-radius:50%;
    filter:blur(80px);
    opacity:.18;
    animation:float 16s ease-in-out infinite;
}

.blob1{
    width:420px;
    height:420px;
    background:#2563eb;
    top:-120px;
    left:-120px;
}

.blob2{
    width:520px;
    height:520px;
    background:#06b6d4;
    right:-180px;
    bottom:-180px;
    animation-delay:4s;
}

.blob3{
    width:280px;
    height:280px;
    background:#7c3aed;
    left:55%;
    top:40%;
    animation-delay:8s;
}

.login-container{
    width:100%;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:32px;
    position:relative;
    z-index:2;
}

.login-card{
    width:100%;
    max-width:420px;
    background:var(--card);
    backdrop-filter:blur(18px);
    border:1px solid var(--border);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:38px;
}

.card-header{
    text-align:center;
    margin-bottom:34px;
}

.logo{
    width:74px;
    height:74px;
    margin:0 auto 18px;
    border-radius:18px;
    background:linear-gradient(135deg,#2563eb,#3b82f6);
    display:flex;
    justify-content:center;
    align-items:center;
    box-shadow:0 12px 30px rgba(37,99,235,.35);
}

.logo svg{
    width:38px;
    height:38px;
    fill:white;
}

.card-header h1{
    font-size:2rem;
    font-weight:700;
    margin-bottom:8px;
}

.card-header p{
    color:var(--muted);
    font-size:.95rem;
}

.field{
    margin-bottom:22px;
}

.field label{
    display:block;
    font-size:.88rem;
    font-weight:600;
    margin-bottom:8px;
    color:#dbe4ef;
}

.field input{
    width:100%;
    height:48px;
    border:1px solid var(--border);
    border-radius:12px;
    background:#0b1220;
    color:var(--text);
    padding:0 15px;
    font-size:.95rem;
    transition:var(--transition);
}

.field input::placeholder{
    color:#64748b;
}

.field input:focus{
    outline:none;
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(37,99,235,.18);
}

.password-wrapper{
    position:relative;
}

.password-wrapper input{
    padding-right:52px;
}

.icon-button{
    position:absolute;
    top:50%;
    right:10px;
    transform:translateY(-50%);
    width:36px;
    height:36px;
    border:none;
    border-radius:10px;
    background:transparent;
    display:flex;
    justify-content:center;
    align-items:center;
    cursor:pointer;
    transition:var(--transition);
}

.icon-button:hover{
    background:rgba(255,255,255,.06);
}

.icon-button svg{
    width:20px;
    height:20px;
    fill:#94a3b8;
}

.options{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin:8px 0 26px;
    gap:12px;
    font-size:.88rem;
}

.remember{
    display:flex;
    align-items:center;
    gap:8px;
    cursor:pointer;
    color:var(--muted);
}

.remember input{
    accent-color:var(--primary);
}

.link-button{
    border:none;
    background:none;
    color:#60a5fa;
    cursor:pointer;
    font-size:.88rem;
    transition:var(--transition);
}

.link-button:hover{
    color:#93c5fd;
}

.login-button{
    width:100%;
    height:50px;
    border:none;
    border-radius:12px;
    background:var(--primary);
    color:white;
    font-size:1rem;
    font-weight:600;
    display:flex;
    justify-content:center;
    align-items:center;
    gap:10px;
    cursor:pointer;
    transition:var(--transition);
}

.login-button:hover:not(:disabled){
    background:var(--primary-hover);
}

.login-button:disabled{
    opacity:.7;
    cursor:not-allowed;
}

.spinner{
    width:18px;
    height:18px;
    display:flex;
    justify-content:center;
    align-items:center;
}

.spinner span{
    width:18px;
    height:18px;
    border:2px solid rgba(255,255,255,.3);
    border-top-color:#fff;
    border-radius:50%;
    animation:spin .7s linear infinite;
}

.message{
    margin-top:20px;
    padding:13px 14px;
    border-radius:10px;
    font-size:.9rem;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
}

.message.error{
    background:rgba(239,68,68,.15);
    color:#fecaca;
    border:1px solid rgba(239,68,68,.35);
}

.message.success{
    background:rgba(34,197,94,.15);
    color:#bbf7d0;
    border:1px solid rgba(34,197,94,.35);
}

.card-footer{
    margin-top:30px;
    text-align:center;
    color:#64748b;
    font-size:.78rem;
}

.toast-container{
    position:fixed;
    top:22px;
    right:22px;
    display:flex;
    flex-direction:column;
    gap:14px;
    z-index:9999;
}

.toast{
    min-width:290px;
    max-width:360px;
    display:flex;
    align-items:flex-start;
    gap:14px;
    padding:16px;
    border-radius:14px;
    background:#111827;
    border:1px solid rgba(255,255,255,.08);
    box-shadow:0 14px 35px rgba(0,0,0,.35);
    animation:toastIn .25s ease;
}

.toast-icon{
    width:12px;
    height:12px;
    margin-top:6px;
    border-radius:50%;
    background:var(--primary);
    flex-shrink:0;
}

.toast-body{
    flex:1;
}

.toast-title{
    font-weight:700;
    margin-bottom:3px;
}

.toast-message{
    color:var(--muted);
    font-size:.9rem;
}

.toast-close{
    border:none;
    background:none;
    color:#94a3b8;
    cursor:pointer;
    font-size:1.1rem;
    line-height:1;
}

.toast-close:hover{
    color:white;
}

.hidden,
[hidden]{
    display:none !important;
}

@media(max-width:520px){

.login-container{
    padding:18px;
}

.login-card{
    padding:28px 22px;
}

.card-header h1{
    font-size:1.7rem;
}

.options{
    flex-direction:column;
    align-items:flex-start;
}

.toast-container{
    left:16px;
    right:16px;
    top:16px;
}

.toast{
    min-width:0;
    width:100%;
}

}

@keyframes float{
    0%,100%{transform:translate(0,0);}
    50%{transform:translate(50px,-35px);}
}

@keyframes spin{
    to{transform:rotate(360deg);}
}

@keyframes toastIn{
    from{
        opacity:0;
        transform:translateX(30px);
    }
    to{
        opacity:1;
        transform:translateX(0);
    }
}