:root{
    --sfss-primary:#1e293b;
    --sfss-primary-2:#334155;
    --sfss-accent:#2563eb;
    --sfss-bg:#f5f7fb;
    --sfss-card:#ffffff;
    --sfss-text:#0f172a;
    --sfss-text-soft:#64748b;
    --sfss-border:#e2e8f0;
    --sfss-success:#16a34a;
    --sfss-warning:#d97706;
    --sfss-danger:#dc2626;
    --sfss-shadow:0 10px 30px rgba(15,23,42,.08);
    --sfss-radius:20px;
}

*{
    box-sizing:border-box;
}

html,body{
    margin:0;
    padding:0;
    background:var(--sfss-bg);
    color:var(--sfss-text);
    font-family:'Inter',sans-serif;
}

a{
    text-decoration:none;
}

.app-shell{
    min-height:100vh;
}

.sfss-sidebar{
    position:fixed;
    top:0;
    left:0;
    width:280px;
    height:100vh;
    background:linear-gradient(180deg,var(--sfss-primary),#111827);
    color:#fff;
    padding:20px 16px;
    overflow-y:auto;
    z-index:1040;
    transition:transform .25s ease;
}

.sfss-brand{
    display:flex;
    align-items:center;
    gap:14px;
    padding:10px 10px 22px;
}

.sfss-brand-icon{
    width:52px;
    height:52px;
    border-radius:16px;
    background:rgba(255,255,255,.12);
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
}

.sfss-brand-logo-wrap{
    width:68px;
    height:68px;
    border-radius:16px;
    background:#ffffff;
    padding:8px;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
    flex-shrink:0;
}

.sfss-brand-logo{
    width:100%;
    height:100%;
    object-fit:contain;
    display:block;
}

.sfss-brand-title{
    font-weight:800;
    font-size:18px;
    line-height:1.2;
    word-break:break-word;
}

.sfss-nav{
    display:flex;
    flex-direction:column;
    gap:8px;
}

.sfss-nav-section{
    margin:14px 10px 4px;
    font-size:11px;
    letter-spacing:.08em;
    text-transform:uppercase;
    color:rgba(255,255,255,.55);
}

.sfss-nav-link{
    display:flex;
    align-items:center;
    gap:12px;
    color:#fff;
    padding:12px 14px;
    border-radius:14px;
    transition:.2s ease;
}

.sfss-nav-link:hover,
.sfss-nav-link.active{
    background:rgba(255,255,255,.12);
    color:#fff;
}

.sfss-main{
    margin-left:280px;
    padding:24px;
}

.sfss-topbar{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:24px;
}

.sfss-page-title{
    font-size:24px;
    font-weight:800;
}

.sfss-page-subtitle{
    color:var(--sfss-text-soft);
    font-size:13px;
}

.sfss-menu-btn{
    background:#fff;
    border:1px solid var(--sfss-border);
    border-radius:14px;
    box-shadow:var(--sfss-shadow);
}

.sfss-card{
    background:var(--sfss-card);
    border:none;
    border-radius:var(--sfss-radius);
    box-shadow:var(--sfss-shadow);
}

.sfss-card-header{
    padding:22px 24px 0;
}

.sfss-card-body{
    padding:24px;
}

.sfss-hero{
    background:linear-gradient(135deg,#eff6ff,#ffffff);
    border-radius:28px;
    box-shadow:var(--sfss-shadow);
    padding:26px;
    border:1px solid #dbeafe;
}

.sfss-badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:12px;
    font-weight:700;
    border-radius:999px;
    padding:8px 12px;
}

.sfss-badge-success{background:#dcfce7;color:#166534;}
.sfss-badge-warning{background:#fef3c7;color:#92400e;}
.sfss-badge-danger{background:#fee2e2;color:#991b1b;}
.sfss-badge-info{background:#dbeafe;color:#1d4ed8;}

.sfss-module-card{
    background:#fff;
    border:1px solid var(--sfss-border);
    border-radius:22px;
    padding:18px;
    height:100%;
    box-shadow:var(--sfss-shadow);
    transition:transform .18s ease, box-shadow .18s ease;
}

.sfss-module-card:hover{
    transform:translateY(-4px);
    box-shadow:0 16px 35px rgba(15,23,42,.12);
}

.sfss-module-head{
    display:block;
}

.sfss-module-text{
    width:100%;
    min-width:0;
}

.sfss-module-title{
    font-size:16px;
    font-weight:700;
    line-height:1.3;
    margin:0 0 6px 0;
}

.sfss-module-desc{
    font-size:13px;
    color:var(--sfss-text-soft);
    line-height:1.45;
    margin:0;
}

.sfss-module-action{
    margin-top:16px;
}

.sfss-form-label{
    font-weight:600;
    font-size:14px;
    margin-bottom:8px;
}

.form-control,
.form-select,
textarea{
    border-radius:14px !important;
    border:1px solid var(--sfss-border) !important;
    min-height:46px;
    box-shadow:none !important;
}

textarea.form-control{
    min-height:100px;
}

.btn{
    border-radius:14px !important;
    min-height:44px;
    font-weight:600;
}

.table{
    vertical-align:middle;
}

.table thead th{
    font-size:13px;
    color:var(--sfss-text-soft);
    border-bottom-width:1px;
}

.sfss-stat{
    background:#fff;
    border-radius:22px;
    box-shadow:var(--sfss-shadow);
    padding:18px 20px;
    border:1px solid var(--sfss-border);
}

.sfss-stat-label{
    color:var(--sfss-text-soft);
    font-size:13px;
}

.sfss-stat-value{
    font-size:28px;
    font-weight:800;
    margin-top:2px;
}

.sfss-login-page{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    background:
        radial-gradient(circle at top left, #dbeafe 0, transparent 35%),
        radial-gradient(circle at bottom right, #bfdbfe 0, transparent 30%),
        linear-gradient(135deg, #f8fbff, #eef4ff);
    padding:20px;
}

.sfss-login-box{
    width:100%;
    max-width:440px;
    background:#fff;
    border-radius:28px;
    padding:34px;
    box-shadow:0 20px 50px rgba(37,99,235,.12);
    border:1px solid #e0ebff;
}

.sfss-login-logo-holder{
    width:100%;
    display:flex;
    justify-content:center;
    align-items:center;
    margin:0 0 16px 0;
    text-align:center;
}

.sfss-login-logo{
    width:72px;
    height:72px;
    border-radius:22px;
    background:#eff6ff;
    color:#2563eb;
    display:flex;
    align-items:center;
    justify-content:center;
    margin:0 auto;
}

.sfss-login-logo-image-wrap{
    width:110px;
    height:110px;
    border-radius:22px;
    background:#ffffff;
    border:1px solid #e2e8f0;
    padding:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
    margin:0 auto;
}

.sfss-login-logo-image{
    width:100%;
    height:100%;
    object-fit:contain;
    display:block;
}

.sfss-login-title{
    font-weight:800;
    font-size:28px;
    text-align:center;
    margin-bottom:4px;
}

.sfss-login-subtitle{
    text-align:center;
    color:var(--sfss-text-soft);
    margin-bottom:24px;
}

.sfss-empty{
    text-align:center;
    padding:36px 20px;
    color:var(--sfss-text-soft);
}

@media (max-width: 991.98px){
    .sfss-sidebar{
        transform:translateX(-100%);
    }
    .sfss-sidebar.show{
        transform:translateX(0);
    }
    .sfss-main{
        margin-left:0;
        padding:18px;
    }
    .sfss-brand-logo-wrap{
        width:56px;
        height:56px;
    }
}

@media (max-width: 575.98px){
    .sfss-login-logo-image-wrap{
        width:90px;
        height:90px;
        padding:10px;
    }

    .sfss-login-box{
        padding:26px;
    }
}