html, body{
    height: 100%;
}

body{
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--app-bg);
    color: var(--text-color);
}

.auth-shell{
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
}

.auth-brand-panel{
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(2,6,23,0.92) 0%, rgba(11,18,32,0.94) 100%);
    color: #fff;
}

.auth-brand-panel::before{
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('../img/bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    filter: saturate(0.85) contrast(1.05);
}

.auth-brand-panel::after{
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(900px 650px at 20% 0%, rgba(14,165,233,0.22), transparent 60%),
        radial-gradient(800px 550px at 85% 35%, rgba(34,197,94,0.14), transparent 55%);
    opacity: 1;
}

.auth-brand-inner{
    position: relative;
    z-index: 1;
    height: 100%;
    padding: 56px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.auth-top{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.auth-logo{
    height: 56px;
    width: auto;
}


.auth-brand-copy{
    max-width: 520px;
}

.auth-brand-title{
    font-weight: 900;
    font-size: 38px;
    letter-spacing: 0.02em;
    line-height: 1.1;
}

.auth-brand-subtitle{
    margin-top: 10px;
    font-size: 15px;
    opacity: 0.88;
    line-height: 1.55;
}

.auth-brand-grid{
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    max-width: 560px;
}

.auth-brand-tile{
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 14px 14px;
    border-radius: 14px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
}

.auth-brand-tile-icon{
    height: 34px;
    width: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.14);
}

.auth-brand-tile-text{
    font-size: 13px;
    opacity: 0.9;
    line-height: 1.4;
}

.auth-brand-foot{
    margin-top: auto;
    opacity: 0.8;
    font-size: 12px;
    max-width: 560px;
}

.auth-form-panel{
    display: grid;
    place-items: center;
    padding: 48px 28px;
    background: radial-gradient(700px 500px at 50% -10%, rgba(14,165,233,0.08), transparent 60%);
}

.auth-card{
    width: 100%;
    max-width: 440px;
    border-radius: 16px;
    background: var(--surface);
    border: 1px solid var(--border-color);
    box-shadow: 0 22px 48px rgba(0,0,0,0.16);
    overflow: hidden;
}

.auth-card-header{
    padding: 22px 22px 10px;
}

.auth-card-title{
    font-weight: 800;
    font-size: 22px;
    color: var(--text-color);
}

.auth-card-subtitle{
    margin-top: 6px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.45;
}

.auth-card-body{
    padding: 14px 22px 22px;
}

.auth-form{
    display: grid;
    gap: 14px;
}

.auth-field label{
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 6px;
}

.auth-input{
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--surface-muted);
    color: var(--text-color);
    padding: 12px 14px;
    outline: none;
}

.auth-input::placeholder{
    color: rgba(100, 116, 139, 0.95);
}


.auth-input:focus{
    border-color: rgba(14,165,233,0.55);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.18);
}

.help-block{
    margin-top: 6px;
    font-size: 12px;
    color: #dc2626;
}

.has-error .auth-input{
    border-color: rgba(220, 38, 38, 0.7);
    background: rgba(220, 38, 38, 0.06);
}

.auth-discord{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    border-radius: 12px;
    padding: 12px 14px;
    color: #fff;
    background: #5865F2;
    border: 1px solid rgba(255,255,255,0.12);
    font-weight: 700;
}

.auth-discord:hover{
    color: #fff;
    background: #4f5ad6;
}

.auth-actions{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 2px;
}

.auth-primary{
    border: 0;
    border-radius: 12px;
    padding: 12px 14px;
    background: var(--primary-color);
    color: #fff;
    font-weight: 800;
    cursor: pointer;
}

.auth-primary:hover{
    filter: brightness(0.97);
}

.auth-secondary{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    padding: 12px 14px;
    background: var(--surface-muted);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-weight: 800;
    text-decoration: none;
}

.auth-secondary:hover{
    text-decoration: none;
    color: var(--text-color);
    border-color: rgba(14,165,233,0.55);
}

.auth-links{
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.auth-link{
    color: var(--text-muted);
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
}

.auth-link:hover{
    text-decoration: underline;
    color: var(--text-color);
}

.auth-card-footer{
    padding: 12px 22px 18px;
    border-top: 1px solid var(--border-color);
    background: transparent;
}

.auth-foot{
    display: flex;
    justify-content: center;
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 700;
}

@media (max-width: 980px){
    .auth-shell{
        grid-template-columns: 1fr;
    }
    .auth-brand-panel{
        min-height: 42vh;
    }
    .auth-brand-inner{
        padding: 28px;
    }
    .auth-brand-grid{
        grid-template-columns: 1fr;
    }
}