:root{
    --bg:#f4f7fb;
    --surface:#ffffff;
    --surface-soft:#f8fbff;
    --surface-alt:#f1f5f9;
    --text:#0f172a;
    --muted:#64748b;
    --line:#e2e8f0;
    --line-strong:#cbd5e1;
    --primary:#2563eb;
    --primary-dark:#1d4ed8;
    --success:#16a34a;
    --warning:#d97706;
    --danger:#dc2626;
    --sidebar:#0f172a;
    --shadow:0 16px 40px rgba(15,23,42,.08);
    --radius:20px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
    font-family:Inter,Arial,sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.5;
}
a{text-decoration:none;color:inherit}
code{background:#eef2ff;padding:2px 8px;border-radius:8px}
.btn{
    border:0;
    border-radius:14px;
    padding:12px 16px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-weight:700;
    cursor:pointer;
    gap:8px;
}
.btn:hover{opacity:.96}
.btn-primary{
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff;
    box-shadow:0 14px 28px rgba(37,99,235,.22);
}
.btn-light{background:#fff;color:var(--text);border:1px solid var(--line);box-shadow:var(--shadow)}
.btn-danger{background:var(--danger);color:#fff}
.btn-success{background:var(--success);color:#fff}
.badge{
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700
}
.badge-success{background:#ecfdf3;color:#166534}
.badge-warning{background:#fff7ed;color:#9a3412}
.badge-danger{background:#fef2f2;color:#991b1b}
.badge-neutral{background:#eff6ff;color:#1d4ed8}
.alert{border-radius:16px;padding:14px 16px;margin:0 0 18px}
.alert.error{background:#fef2f2;color:#991b1b}
.alert.success{background:#ecfdf3;color:#166534}
.form-grid,.install-form{display:grid;gap:18px}
.form-group{display:grid;gap:8px}
.form-group.full{grid-column:1/-1}
label{font-size:14px;font-weight:700;color:#334155}
input,select,textarea{
    width:100%;
    border:1px solid var(--line);
    background:#fff;
    border-radius:14px;
    padding:13px 14px;
    outline:none;
    font:inherit;
}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--primary)}
.auth-shell,.install-shell,.error-page{
    min-height:100vh;
    display:grid;
    place-items:center;
    padding:24px;
}
.auth-card,.install-card,.error-card{
    width:min(100%,560px);
    background:var(--surface);
    border-radius:28px;
    box-shadow:var(--shadow);
    padding:28px;
}
.install-card{width:min(100%,1040px)}
.auth-head h1,.install-head h1,.error-card h1{margin:0 0 6px;font-size:34px}
.auth-head p,.install-head p,.error-card p,.auth-note span{margin:0;color:var(--muted)}
.requirements-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:14px;
    margin:20px 0 24px;
}
.requirement{
    background:var(--surface-soft);
    border:1px solid var(--line);
    border-radius:18px;
    padding:14px 16px;
    display:flex;
    justify-content:space-between;
    gap:10px;
}
.requirement.ok span{color:var(--success);font-weight:700}
.requirement.bad span{color:var(--danger);font-weight:700}
.install-section{
    background:var(--surface-soft);
    border:1px solid var(--line);
    border-radius:20px;
    padding:18px;
}
.install-section h3{margin:0 0 14px}
.grid.two,.grid.three{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:16px;
}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.app-shell{min-height:100vh;display:grid;grid-template-columns:280px 1fr}
.sidebar{
    background:var(--sidebar);
    color:#fff;
    padding:22px 18px;
    position:sticky;
    top:0;
    height:100vh;
    overflow:auto;
}
.brand{
    display:flex;align-items:center;gap:12px;
    padding:8px 8px 20px;
    border-bottom:1px solid rgba(255,255,255,.08);
    margin-bottom:20px;
}
.brand-mark{
    width:46px;height:46px;border-radius:16px;
    background:linear-gradient(135deg,#3b82f6,#1d4ed8);
    display:grid;place-items:center;font-weight:800
}
.brand h1{font-size:18px;margin:0}
.brand p{margin:2px 0 0;color:rgba(255,255,255,.7);font-size:13px}
.nav-group{display:grid;gap:6px;margin-bottom:18px}
.nav-title{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.55);padding:8px 12px 6px}
.nav a{
    padding:12px 14px;
    border-radius:14px;
    color:rgba(255,255,255,.86);
    transition:.2s ease;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
}
.nav a:hover,.nav a.active{background:rgba(255,255,255,.09);color:#fff}
.main{padding:24px;min-width:0}
.topbar{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    margin-bottom:24px;flex-wrap:wrap;
}
.topbar h2{margin:0 0 4px;font-size:30px}
.topbar p{margin:0;color:var(--muted)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.toolbar-actions{display:flex;gap:10px;flex-wrap:wrap}
.user-chip{
    background:var(--surface);
    border-radius:18px;
    box-shadow:var(--shadow);
    padding:8px 12px;
    display:flex;align-items:center;gap:12px;
}
.avatar{
    width:42px;height:42px;border-radius:50%;
    display:grid;place-items:center;background:linear-gradient(135deg,#0ea5e9,#2563eb);color:#fff;font-weight:700
}
.menu-button,.mobile-overlay{display:none}
.stats-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:18px;
    margin-bottom:22px;
}
.card{
    background:var(--surface);
    border-radius:24px;
    box-shadow:var(--shadow);
    padding:22px;
}
.narrow-card{max-width:900px}
.stat-card{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.eyebrow{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.stat-card h3{margin:0 0 8px;font-size:30px}
.stat-card p{margin:0;color:var(--muted)}
.stat-icon{
    width:54px;height:54px;border-radius:16px;
    display:grid;place-items:center;
    background:#eff6ff;font-size:24px
}
.content-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr;
    gap:18px;
}
.card-head{
    display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;
    margin-bottom:18px;
}
.card-head h3{margin:0;font-size:20px}
.card-head p{margin:4px 0 0;color:var(--muted)}
.card-actions{display:flex;gap:10px;flex-wrap:wrap}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.empty{text-align:center;color:var(--muted)}
.stack-list{display:grid;gap:14px}
.stack-item{
    display:flex;justify-content:space-between;gap:12px;align-items:center;
    padding:14px 16px;border-radius:18px;background:var(--surface-soft);border:1px solid var(--line)
}
.stack-item strong{display:block}
.stack-item span{font-size:13px;color:var(--muted)}
.price-chip{
    background:#eef2ff;color:#1d4ed8;border-radius:999px;padding:8px 12px;font-weight:800
}
.form-card{max-width:980px}
.section-title{margin:0 0 16px;font-size:20px}
.inline-form{display:flex;gap:12px;flex-wrap:wrap;align-items:end}
.kpi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.permission-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:12px;
}
.permission-item{
    display:flex;align-items:center;gap:10px;
    background:var(--surface-soft);
    border:1px solid var(--line);
    border-radius:16px;
    padding:12px 14px;
}
.permission-item input{width:auto}
.list-meta{font-size:13px;color:var(--muted)}
.error-card{text-align:center}
.error-card h1{font-size:56px}
@media (max-width:1100px){
    .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .content-grid,.kpi-grid,.permission-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
    .app-shell{grid-template-columns:1fr}
    .sidebar{
        position:fixed;left:-100%;top:0;width:min(86vw,320px);z-index:1200;transition:.25s ease
    }
    .sidebar.active{left:0}
    .mobile-overlay.active{display:block;position:fixed;inset:0;background:rgba(15,23,42,.4);z-index:1100}
    .menu-button{
        display:inline-flex;border:0;background:var(--surface);box-shadow:var(--shadow);padding:12px 14px;border-radius:14px
    }
}
@media (max-width:767px){
    .requirements-grid,.grid.two,.grid.three,.stats-grid,.permission-grid{grid-template-columns:1fr}
    .auth-card,.install-card,.card{padding:18px}
    .main{padding:16px}
    .topbar h2{font-size:24px}
    .toolbar{align-items:stretch}
    .toolbar-actions{width:100%}
    .toolbar-actions .btn{width:100%}
}


.plugin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.plugin-card{display:grid;gap:14px}
.plugin-card .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;flex-wrap:wrap}
.plugin-card p{margin:0;color:var(--muted)}
.plugin-actions{display:flex;gap:10px;flex-wrap:wrap}
.plugin-bundles{display:grid;gap:10px}
.section-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}
.toolbar-title h3,.toolbar-title p{margin:0}
.small{font-size:13px;color:var(--muted)}
.upload-box{border:2px dashed var(--line-strong);border-radius:18px;padding:18px;background:var(--surface-soft)}
.code-block{background:#0f172a;color:#e2e8f0;border-radius:18px;padding:16px;overflow:auto}
@media (max-width:1100px){.plugin-grid,.section-grid{grid-template-columns:1fr}}


.small{font-size:12px;color:var(--muted);margin-top:4px}
.price-chip{
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:999px;padding:8px 12px;background:#eff6ff;color:#1d4ed8;font-weight:800
}
.board-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:16px;
    margin-bottom:18px;
}
.board-column{
    background:var(--surface-soft);
    border:1px solid var(--line);
    border-radius:20px;
    padding:14px;
    min-height:220px;
}
.board-column h4{margin:0 0 12px;font-size:15px}
.board-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    padding:12px;
    box-shadow:0 10px 24px rgba(15,23,42,.05);
    margin-bottom:12px;
}
.board-card strong{display:block}
.board-card span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.board-card .amount{margin-top:8px;font-weight:800}
.calendar-list,.notification-list{display:grid;gap:14px}
.calendar-item,.notification-item{
    display:flex;justify-content:space-between;gap:12px;align-items:flex-start;
    padding:14px;border:1px solid var(--line);border-radius:18px;background:var(--surface-soft)
}
.calendar-item strong,.notification-item strong{display:block}
.calendar-item span,.notification-item span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
.meta-line{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:8px}
.permission-matrix table{min-width:980px}
.yes{color:var(--success);font-weight:800}
.no{color:var(--muted)}
@media (max-width:1200px){
    .board-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
    .board-grid{grid-template-columns:1fr}
    .calendar-item,.notification-item{flex-direction:column}
}