=========================
   AUTH SYSTEM BASE
========================= 

:root {
    --auth-bg: #0b1220;
    --auth-card: rgba(255, 255, 255, 0.06);
    --auth-border: rgba(255, 255, 255, 0.12);
    --auth-text: #e6eaf2;
    --auth-muted: rgba(230, 234, 242, 0.65);
    --auth-primary: #6d5efc;
    --auth-primary-hover: #5848f5;
    --auth-input: rgba(255, 255, 255, 0.08);
}

 Page wrapper 
.auth-shell {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 16px;
    background: radial-gradient(circle at top, #111a2e, var(--auth-bg));
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

 Card 
.auth-card {
    width: 100%;
    max-width: 460px;
    background: var(--auth-card);
    border: 1px solid var(--auth-border);
    border-radius: 18px;
    backdrop-filter: blur(14px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

 Body 
.auth-body {
    padding: 34px;
}

 Header 
.auth-header {
    margin-bottom: 24px;
}

.auth-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--auth-text);
    margin: 0;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--auth-muted);
    margin-top: 6px;
}

 Fields 
.field-group {
    margin-bottom: 18px;
}

.field-label {
    display: block;
    font-size: 13px;
    color: var(--auth-muted);
    margin-bottom: 6px;
}

.field-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.link-soft:hover {
    color: var(--auth-primary);
}

 Input wrapper 
.input-wrap {
    display: flex;
    align-items: center;
    background: var(--auth-input);
    border: 1px solid var(--auth-border);
    border-radius: 12px;
    padding: 10px 12px;
    transition: 0.2s ease;
}

.input-wrap:focus-within {
    border-color: var(--auth-primary);
    box-shadow: 0 0 0 3px rgba(109, 94, 252, 0.2);
}

.input-icon {
    color: var(--auth-muted);
    margin-right: 10px;
    display: flex;
}

.input-control {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    color: var(--auth-text);
    font-size: 14px;
}

 Password toggle 
.pw-toggle {
    background: transparent;
    border: none;
    color: var(--auth-muted);
    cursor: pointer;
}

 Row 
.auth-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 22px;
}

 Button 
.btn-primary-auth {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--auth-primary), #8b7bff);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: 0.25s ease;
}

.btn-primary-auth:hover {
    background: linear-gradient(135deg, var(--auth-primary-hover), #7a6aff);
    transform: translateY(-1px);
}

 Remember 
.remember-box {
    font-size: 13px;
    color: var(--auth-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

 Footer 
.auth-footer {
    padding: 16px 34px;
    border-top: 1px solid var(--auth-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.text-soft {
    color: var(--auth-muted);
    font-size: 12px;
}

.link-primary {
    color: var(--auth-primary);
    font-weight: 600;
    text-decoration: none;
}

 Responsive 
@media (max-width: 480px) {
    .auth-body {
        padding: 22px;
    }

    .auth-footer {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .auth-row {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
}