/* ===================================================================
   SHADCN/UI DESIGN SYSTEM — Complete Rewrite
   Inspired by ui.shadcn.com / v0.dev
   =================================================================== */

/* ——— Design Tokens ——— */
:root {
    --primary: 222.2 47.4% 11.2%;
    --primary-foreground: 210 40% 98%;
    --background: 0 0% 100%;
    --foreground: 240 10% 3.9%;
    --card: 0 0% 100%;
    --card-foreground: 240 10% 3.9%;
    --popover: 0 0% 100%;
    --popover-foreground: 240 10% 3.9%;
    --secondary: 240 4.8% 95.9%;
    --secondary-foreground: 240 5.9% 10%;
    --muted: 240 4.8% 95.9%;
    --muted-foreground: 240 3.8% 46.1%;
    --accent: 240 4.8% 95.9%;
    --accent-foreground: 240 5.9% 10%;
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 0 0% 98%;
    --border: 240 5.9% 90%;
    --input: 240 5.9% 90%;
    --ring: var(--primary);
    --success: 142 76% 36%;
    --warning: 38 92% 50%;
    --radius: 0.5rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.dark, html.dark, body.dark {
    --background: 224 71% 4%;
    --foreground: 210 40% 98%;
    --card: 222 47% 8%;
    --card-foreground: 210 40% 98%;
    --popover: 222 47% 8%;
    --popover-foreground: 210 40% 98%;
    --secondary: 217 33% 14%;
    --secondary-foreground: 210 40% 98%;
    --muted: 224 71% 6%;
    --muted-foreground: 215 20% 65%;
    --accent: 217 33% 14%;
    --accent-foreground: 210 40% 98%;
    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 210 40% 98%;
    --border: 217 33% 16%;
    --input: 217 33% 16%;
    --ring: 224.3 76.3% 48%;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.35);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.45), 0 1px 2px -1px rgb(0 0 0 / 0.45);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.45), 0 2px 4px -2px rgb(0 0 0 / 0.45);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.55), 0 4px 6px -4px rgb(0 0 0 / 0.55);
}

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

/* ===================================================================
   GLOBAL
   =================================================================== */
body.sn-body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: hsl(var(--muted));
    color: hsl(var(--foreground));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    letter-spacing: -0.011em;
}

/* ===================================================================
   TOPBAR
   =================================================================== */
.sn-topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 48px;
    background: hsl(var(--background));
    border-bottom: 1px solid hsl(var(--border));
    z-index: 1100;
    display: flex;
    align-items: center;
    padding: 0 16px;
}
.sn-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.sn-topbar-left {
    display: flex;
    align-items: center;
    gap: 4px;
}
.sn-topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}
.sn-topbar-logo img {
    height: 26px;
    display: block;
}
.sn-topbar-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border: none;
    background: transparent;
    border-radius: calc(var(--radius) - 2px);
    cursor: pointer;
    color: hsl(var(--muted-foreground));
    font-size: 18px;
    transition: all 0.15s;
}
.sn-topbar-toggle:hover {
    background: hsl(var(--accent));
    color: hsl(var(--foreground));
}

/* Topbar Nav Links */
.sn-topbar-nav {
    display: flex;
    align-items: center;
    gap: 1px;
    margin-left: 12px;
}
.sn-topbar-nav a {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 10px;
    border-radius: calc(var(--radius) - 2px);
    font-size: 13px;
    font-weight: 500;
    color: hsl(var(--muted-foreground));
    text-decoration: none;
    transition: all 0.15s;
}
.sn-topbar-nav a:hover {
    color: hsl(var(--foreground));
    background: hsl(var(--accent));
}
.sn-topbar-nav a i { font-size: 15px; }

/* Topbar User */
.sn-topbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 8px 3px 3px;
    border-radius: calc(var(--radius));
    cursor: pointer;
    transition: all 0.15s;
    border: 1px solid transparent;
    position: relative;
}
.sn-topbar-user:hover {
    background: hsl(var(--accent));
    border-color: hsl(var(--border));
}
.sn-topbar-user img {
    width: 28px; height: 28px;
    border-radius: 50%;
    border: 1.5px solid hsl(var(--border));
}
.sn-topbar-user-info { line-height: 1.25; }
.sn-topbar-user-name {
    font-size: 12px;
    font-weight: 500;
    color: hsl(var(--foreground));
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: block;
}
.sn-topbar-user-balance {
    font-size: 11px;
    font-weight: 600;
    color: hsl(var(--primary));
}

/* ===================================================================
   USER DROPDOWN
   =================================================================== */
.sn-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 200px;
    background: hsl(var(--popover));
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) + 2px);
    box-shadow: var(--shadow-lg);
    z-index: 1200;
    padding: 4px;
    opacity: 0; visibility: hidden;
    transform: translateY(-4px);
    transition: all 0.15s ease;
}
.sn-user-dropdown.sn-show {
    opacity: 1; visibility: visible;
    transform: translateY(0);
}
.sn-dropdown-header {
    padding: 8px 10px;
    border-bottom: 1px solid hsl(var(--border));
    margin-bottom: 4px;
}
.sn-dropdown-header .sn-dh-id {
    font-size: 11px;
    color: hsl(var(--muted-foreground));
}
.sn-dropdown-header .sn-dh-balance {
    font-size: 13px;
    font-weight: 600;
    color: hsl(var(--foreground));
}
.sn-dropdown-menu {
    list-style: none;
    margin: 0; padding: 0;
}
.sn-dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: calc(var(--radius) - 2px);
    font-size: 13px;
    color: hsl(var(--foreground));
    text-decoration: none;
    transition: all 0.15s;
}
.sn-dropdown-menu li a:hover {
    background: hsl(var(--accent));
}
.sn-dropdown-menu li a i {
    font-size: 15px;
    width: 18px;
    color: hsl(var(--muted-foreground));
    text-align: center;
}
.sn-dropdown-divider {
    height: 1px;
    background: hsl(var(--border));
    margin: 4px 10px;
}
.sn-dropdown-menu li a.sn-logout {
    color: hsl(var(--destructive));
}
.sn-dropdown-menu li a.sn-logout:hover {
    background: hsl(var(--destructive) / 0.06);
}

/* ===================================================================
   SIDEBAR
   =================================================================== */
.sn-sidebar {
    position: fixed;
    top: 48px; left: 0; bottom: 0;
    width: 240px;
    background: hsl(var(--background));
    border-right: 1px solid hsl(var(--border));
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1050;
    transition: transform 0.2s ease;
    padding: 8px 0 80px;
    scrollbar-width: thin;
    scrollbar-color: hsl(var(--border)) transparent;
}
.sn-sidebar::-webkit-scrollbar { width: 4px; }
.sn-sidebar::-webkit-scrollbar-track { background: transparent; }
.sn-sidebar::-webkit-scrollbar-thumb { background: hsl(var(--border)); border-radius: 4px; }

.sn-sidebar-section { padding: 4px 8px; }
.sn-sidebar-label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: hsl(var(--muted-foreground));
    padding: 8px 12px 4px;
    display: block;
}
.sn-sidebar-divider {
    height: 1px;
    background: hsl(var(--border));
    margin: 4px 16px;
}
.sn-sidebar-menu {
    list-style: none;
    margin: 0; padding: 0;
}
.sn-sidebar-menu li { margin-bottom: 1px; }
.sn-sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: calc(var(--radius) - 2px);
    font-size: 13px;
    font-weight: 450;
    color: hsl(var(--muted-foreground));
    text-decoration: none;
    transition: all 0.12s ease;
}
.sn-sidebar-menu a i {
    font-size: 16px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}
.sn-sidebar-menu a:hover {
    background: hsl(var(--accent));
    color: hsl(var(--foreground));
}
.sn-sidebar-menu a.sn-active {
    background: hsl(var(--primary) / 0.06);
    color: hsl(var(--primary));
    font-weight: 500;
}
.sn-sidebar-menu a.sn-active i {
    color: hsl(var(--primary));
}

/* Submenu toggle */
.sn-submenu-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: calc(var(--radius) - 2px);
    font-size: 13px;
    font-weight: 450;
    color: hsl(var(--muted-foreground));
    cursor: pointer;
    width: 100%;
    border: none;
    background: transparent;
    text-align: left;
    font-family: inherit;
    transition: all 0.12s ease;
}
.sn-submenu-toggle i.sn-sub-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}
.sn-submenu-toggle:hover {
    background: hsl(var(--accent));
    color: hsl(var(--foreground));
}
.sn-submenu-toggle .sn-sub-arrow {
    margin-left: auto;
    font-size: 13px;
    color: hsl(var(--muted-foreground));
    transition: transform 0.2s;
    opacity: 0.5;
}
.sn-submenu-toggle.sn-open .sn-sub-arrow {
    transform: rotate(90deg);
}
.sn-submenu-toggle.sn-has-active {
    color: hsl(var(--primary));
}
.sn-submenu-toggle.sn-has-active i.sn-sub-icon {
    color: hsl(var(--primary));
}

.sn-submenu-children {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
    padding-left: 16px;
}
.sn-submenu-children.sn-open {
    max-height: 500px;
}
.sn-submenu-children a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    border-radius: calc(var(--radius) - 2px);
    font-size: 12px;
    color: hsl(var(--muted-foreground));
    text-decoration: none;
    transition: all 0.12s;
    position: relative;
}
.sn-submenu-children a::before {
    content: '';
    width: 4px; height: 4px;
    border-radius: 50%;
    background: hsl(var(--muted-foreground) / 0.3);
    flex-shrink: 0;
}
.sn-submenu-children a:hover {
    background: hsl(var(--accent));
    color: hsl(var(--foreground));
}
.sn-submenu-children a:hover::before {
    background: hsl(var(--foreground));
}
.sn-submenu-children a.sn-active {
    background: hsl(var(--primary) / 0.06);
    color: hsl(var(--primary));
    font-weight: 500;
}
.sn-submenu-children a.sn-active::before {
    background: hsl(var(--primary));
}

/* ===================================================================
   SIDEBAR OVERLAY (mobile)
   =================================================================== */
.sn-sidebar-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(2px);
    z-index: 1049;
    opacity: 0; visibility: hidden;
    transition: all 0.2s;
}
.sn-sidebar-overlay.sn-show {
    opacity: 1; visibility: visible;
}

/* ===================================================================
   LAYOUT WRAPPER
   =================================================================== */
.sn-layout {
    padding-top: 48px;
    min-height: 100vh;
}
.sn-main {
    transition: margin-left 0.2s ease;
}

/* Desktop */
@media(min-width: 1024px) {
    .sn-topbar-nav { display: flex; }
    .sn-sidebar { transform: translateX(0); }
    body.sn-collapsed .sn-sidebar { transform: translateX(-100%); }
    .sn-main { margin-left: 240px; }
    body.sn-collapsed .sn-main { margin-left: 0; }
    .sn-mobile-bar { display: none !important; }
}
/* Tablet */
@media(min-width: 768px) and (max-width: 1023px) {
    .sn-topbar-nav { display: flex; }
    .sn-sidebar { transform: translateX(-100%); }
    body.sn-sidebar-open .sn-sidebar { transform: translateX(0); }
    .sn-main { margin-left: 0; }
    .sn-mobile-bar { display: none !important; }
}
/* Mobile */
@media(max-width: 767px) {
    .sn-topbar-nav { display: none !important; }
    .sn-sidebar { transform: translateX(-100%); }
    body.sn-sidebar-open .sn-sidebar { transform: translateX(0); }
    .sn-main { margin-left: 0; padding-bottom: 64px; }
    .sn-topbar { padding: 0 12px; }
    .sn-topbar-user-info { display: none; }
}

/* ===================================================================
   MOBILE BOTTOM BAR
   =================================================================== */
.sn-mobile-bar {
    position: fixed; bottom: 0; left: 0; right: 0;
    height: 56px;
    background: hsl(var(--background));
    border-top: 1px solid hsl(var(--border));
    z-index: 1099;
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    box-shadow: 0 -1px 3px rgb(0 0 0 / 0.04);
}
@media(min-width: 768px) { .sn-mobile-bar { display: none !important; } }

.sn-mobile-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    text-decoration: none;
    color: hsl(var(--muted-foreground));
    font-size: 10px;
    font-weight: 500;
    flex: 1;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.12s;
    position: relative;
}
.sn-mobile-item i { font-size: 20px; line-height: 1; }
.sn-mobile-item:hover { color: hsl(var(--foreground)); }
.sn-mobile-item.sn-active { color: hsl(var(--primary)); }
.sn-mobile-item.sn-active::after {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 16px; height: 2px;
    background: hsl(var(--primary));
    border-radius: 0 0 2px 2px;
}
.sn-mobile-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    cursor: pointer;
    gap: 1px;
    flex: 1;
    padding-bottom: 4px;
    margin-top: -12px;
}
.sn-mobile-avatar img {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 2px solid hsl(var(--primary));
    box-shadow: 0 2px 8px hsl(var(--primary) / 0.2);
    background: hsl(var(--background));
}
.sn-mobile-avatar span {
    font-size: 9px;
    font-weight: 700;
    color: hsl(var(--primary));
}

/* ===================================================================
   DASHBOARD PAGE
   =================================================================== */
.sn-page {
    background: hsl(var(--muted));
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
.sn-page-wrap {
    max-width: 100%;
    padding: 20px 24px;
    box-sizing: border-box;
}

/* Stats */
.sn-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}
.sn-stat-card {
    background: hsl(var(--card));
    border-radius: calc(var(--radius) + 2px);
    border: 1px solid hsl(var(--border));
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.15s;
}
.sn-stat-card:hover { box-shadow: var(--shadow); }
.sn-stat-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sn-stat-label {
    font-size: 12px;
    font-weight: 500;
    color: hsl(var(--muted-foreground));
}
.sn-stat-icon {
    width: 32px; height: 32px;
    border-radius: calc(var(--radius));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.sn-stat-icon.ic-primary { background: hsl(var(--primary) / 0.08); color: hsl(var(--primary)); }
.sn-stat-icon.ic-success { background: hsl(var(--success) / 0.08); color: hsl(var(--success)); }
.sn-stat-icon.ic-warning { background: hsl(var(--warning) / 0.08); color: hsl(var(--warning)); }
.sn-stat-icon.ic-purple { background: hsl(270 76% 36% / 0.08); color: hsl(270, 76%, 36%); }
.sn-stat-val {
    font-size: 22px;
    font-weight: 700;
    color: hsl(var(--foreground));
    letter-spacing: -0.025em;
    line-height: 1;
}

/* Grid layout */
.sn-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 16px;
    align-items: start;
}
.sn-col-main { display: flex; flex-direction: column; gap: 16px; }
.sn-col-side { display: flex; flex-direction: column; gap: 12px; position: sticky; top: 68px; }

/* Card */
.sn-card {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) + 2px);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.sn-card-header {
    padding: 14px 16px;
    border-bottom: 1px solid hsl(var(--border));
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sn-card-title {
    font-size: 14px;
    font-weight: 600;
    color: hsl(var(--foreground));
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: -0.01em;
    margin: 0;
}
.sn-card-title svg, .sn-card-title i { color: hsl(var(--muted-foreground)); font-size: 16px; }
.sn-card-desc {
    font-size: 12px;
    color: hsl(var(--muted-foreground));
}
.sn-card-body { padding: 16px; }
.sn-card-link {
    font-size: 12px;
    color: hsl(var(--muted-foreground));
    text-decoration: none;
    font-weight: 500;
    transition: color 0.12s;
}
.sn-card-link:hover { color: hsl(var(--foreground)); }

/* Service rows */
.sn-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px;
}
.sn-service-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius));
    text-decoration: none;
    color: inherit;
    transition: all 0.12s;
}
.sn-service-item:hover {
    background: hsl(var(--accent));
    border-color: hsl(var(--primary) / 0.2);
}
.sn-service-left {
    display: flex;
    align-items: center;
    gap: 10px;
}
.sn-service-icon {
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sn-service-icon img { width: 28px; height: 28px; }
.sn-service-name {
    font-size: 13px;
    font-weight: 500;
    color: hsl(var(--foreground));
}
.sn-service-count {
    font-size: 15px;
    font-weight: 700;
    color: hsl(var(--foreground));
    background: hsl(var(--muted));
    width: 28px; height: 28px;
    border-radius: calc(var(--radius) - 2px);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Ecosystem grid */
.sn-eco-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
    gap: 8px;
}
.sn-eco-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius));
    text-decoration: none;
    color: inherit;
    transition: all 0.12s;
}
.sn-eco-item:hover {
    background: hsl(var(--accent));
    border-color: hsl(var(--primary) / 0.2);
}
.sn-eco-icon {
    width: 34px; height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sn-eco-icon img { width: 34px; height: 34px; }
.sn-eco-name {
    font-size: 13px;
    font-weight: 500;
    color: hsl(var(--foreground));
}
.sn-eco-desc {
    font-size: 11px;
    color: hsl(var(--muted-foreground));
    margin-top: 1px;
}

/* Blog posts */
.sn-post {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid hsl(var(--border));
    text-decoration: none;
}
.sn-post:last-child { border-bottom: none; padding-bottom: 0; }
.sn-post:first-child { padding-top: 0; }
.sn-post-img {
    width: 64px; height: 48px;
    border-radius: calc(var(--radius));
    object-fit: cover;
    flex-shrink: 0;
    background: hsl(var(--muted));
}
.sn-post-title {
    font-size: 13px;
    font-weight: 500;
    color: hsl(var(--foreground));
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sn-post:hover .sn-post-title { color: hsl(var(--primary)); }
.sn-post-date {
    font-size: 11px;
    color: hsl(var(--muted-foreground));
    margin-top: 3px;
}

/* Alert / Notice */
.sn-alert {
    background: hsl(var(--primary) / 0.04);
    border: 1px solid hsl(var(--primary) / 0.12);
    border-radius: calc(var(--radius) + 2px);
    padding: 12px 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: hsl(var(--foreground));
    line-height: 1.5;
}
.sn-alert i {
    color: hsl(var(--primary));
    font-size: 18px;
    line-height: 1;
    flex-shrink: 0;
}

/* Rep card */
.sn-rep {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
}
.sn-rep-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: hsl(var(--muted));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: hsl(var(--muted-foreground));
    flex-shrink: 0;
}
.sn-rep-name {
    font-size: 13px;
    font-weight: 600;
    color: hsl(var(--foreground));
}
.sn-rep-role {
    font-size: 12px;
    color: hsl(var(--muted-foreground));
}
.sn-rep-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
}
.sn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 500;
    border-radius: calc(var(--radius) - 2px);
    padding: 4px 12px;
    height: 28px;
    cursor: pointer;
    transition: all 0.12s;
    text-decoration: none;
    border: 1px solid transparent;
    white-space: nowrap;
}
.sn-btn-primary {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
}
.sn-btn-primary:hover { opacity: 0.9; }
.sn-btn-outline {
    background: transparent;
    color: hsl(var(--foreground));
    border-color: hsl(var(--border));
}
.sn-btn-outline:hover {
    background: hsl(var(--accent));
}

/* Account info */
.sn-account-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    padding: 4px 0;
}
.sn-account-label { color: hsl(var(--muted-foreground)); }
.sn-account-value { font-weight: 600; color: hsl(var(--foreground)); }
.sn-account-value.primary { color: hsl(var(--primary)); }
.sn-account-value.success { color: hsl(var(--success)); }

/* ===================================================================
   CHAT FAB
   =================================================================== */
.sn-chat-fab {
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    pointer-events: none;
}
.sn-chat-btn {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: none;
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all 0.2s;
    pointer-events: auto;
}
.sn-chat-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}
.sn-chat-close { display: none; }
.sn-chat-fab.is-open .sn-chat-msg { display: none; }
.sn-chat-fab.is-open .sn-chat-close { display: block; }
.sn-chat-options {
    display: none;
    flex-direction: column;
    gap: 6px;
    opacity: 0;
    transform: translateY(6px) scale(0.96);
    pointer-events: none;
    transition: all 0.15s ease;
}
.sn-chat-fab.is-open .sn-chat-options {
    display: flex;
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}
.sn-chat-opt {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: hsl(var(--card));
    border-radius: calc(var(--radius));
    text-decoration: none;
    color: hsl(var(--foreground));
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    border: 1px solid hsl(var(--border));
    transition: all 0.12s;
    white-space: nowrap;
}
.sn-chat-opt:hover {
    border-color: hsl(var(--primary) / 0.3);
    transform: translateX(-3px);
}
.sn-chat-opt-icon {
    width: 28px; height: 28px;
    border-radius: calc(var(--radius) - 2px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sn-chat-opt-icon.tg { background: hsl(200 100% 50% / 0.08); color: #0088cc; }
.sn-chat-opt-icon.zl { background: hsl(218 100% 50% / 0.08); color: #0068ff; }

@media(max-width: 600px) {
    .sn-chat-fab { bottom: 72px; right: 12px; }
}

/* ===================================================================
   PRELOADER (Custom Modern Pinwheel / Shuriken Spinner)
   =================================================================== */
#global-preloader,
#sn-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.68);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 999999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#global-preloader.hidden,
#global-preloader.sn-loaded,
#sn-preloader.hidden,
#sn-preloader.sn-loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* HTML: <div class="loader"></div> */
#global-preloader .loader,
#sn-preloader .loader,
.loader-shuriken {
    width: 80px;
    aspect-ratio: 1;
    display: grid;
    color: #ffffff;
    -webkit-mask: radial-gradient(circle 5px, #0000 90%, #000);
    mask: radial-gradient(circle 5px, #0000 90%, #000);
    animation: l3 1.5s infinite linear;
}

#global-preloader .loader:before,
#global-preloader .loader:after,
#sn-preloader .loader:before,
#sn-preloader .loader:after,
.loader-shuriken:before,
.loader-shuriken:after {
    content: "";
    grid-area: 1/1;
    background:
        radial-gradient(farthest-side at bottom left, currentColor 94%, #0000) top left,
        radial-gradient(farthest-side at top right, currentColor 94%, #0000) bottom right;
    background-size: 63% 50%;
    background-repeat: no-repeat;
    -webkit-mask:
        radial-gradient(65% 110% at bottom left, #0000 94%, #000) top left,
        radial-gradient(65% 110% at top right, #0000 94%, #000) bottom right;
    -webkit-mask-size: 62% 50%;
    -webkit-mask-repeat: no-repeat;
    mask:
        radial-gradient(65% 110% at bottom left, #0000 94%, #000) top left,
        radial-gradient(65% 110% at top right, #0000 94%, #000) bottom right;
    mask-size: 62% 50%;
    mask-repeat: no-repeat;
}

#global-preloader .loader:after,
#sn-preloader .loader:after,
.loader-shuriken:after {
    transform: rotate(90deg);
}

@keyframes l3 {
    100% {
        transform: rotate(1turn);
    }
}

/* ===================================================================
   ELEMENT-PLUS OVERRIDES
   =================================================================== */
.el-button--primary {
    background-color: hsl(var(--primary)) !important;
    border-color: hsl(var(--primary)) !important;
    border-radius: calc(var(--radius)) !important;
}
.el-button:hover {
    background-color: hsl(var(--primary)) !important;
    border-color: hsl(var(--primary)) !important;
}
.is-active {
    background-color: hsl(var(--primary)) !important;
    border-color: hsl(var(--primary)) !important;
}
.el-overlay { z-index: 9999 !important; }
.el-dialog {
    border-radius: calc(var(--radius) + 4px) !important;
    border: 1px solid hsl(var(--border)) !important;
    box-shadow: var(--shadow-lg) !important;
}

/* ===================================================================
   PUBLIC HOMEPAGE
   =================================================================== */
.sn-hero {
    position: relative;
    background: hsl(var(--background));
    border-bottom: 1px solid hsl(var(--border));
    overflow: hidden;
}
.sn-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(hsl(var(--border)) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.6;
}
.sn-hero::after {
    content: "";
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, hsl(var(--primary) / 0.08), transparent 70%);
    pointer-events: none;
}
.sn-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}
.sn-hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem 0;
}
@media(min-width: 1024px) {
    .sn-hero-inner { grid-template-columns: 1.1fr 0.9fr; }
    .sn-hero-right { display: flex; }
}
.sn-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 12px;
    font-weight: 600;
    color: hsl(var(--primary));
    background: hsl(var(--primary) / 0.06);
    border: 1px solid hsl(var(--primary) / 0.12);
    border-radius: 9999px;
    padding: 4px 12px;
    margin-bottom: 16px;
}
.sn-hero-title {
    font-size: 2rem;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: hsl(var(--foreground));
    margin: 0 0 12px;
}
.sn-hero-desc {
    color: hsl(var(--muted-foreground));
    font-size: 15px;
    line-height: 1.6;
    margin: 0 0 20px;
}
.sn-hero-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.sn-hero-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: hsl(var(--foreground));
    font-size: 13px;
}
.sn-hero-features li i {
    color: hsl(var(--primary));
    font-size: 15px;
}
.sn-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.sn-hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: calc(var(--radius));
    padding: 10px 20px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.15s;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
}
.sn-hero-btn-primary {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
}
.sn-hero-btn-primary:hover { opacity: 0.9; }
.sn-hero-btn-outline {
    background: hsl(var(--background));
    color: hsl(var(--foreground));
    border-color: hsl(var(--border));
}
.sn-hero-btn-outline:hover { background: hsl(var(--accent)); }
.sn-hero-right {
    display: none;
    align-items: center;
    justify-content: center;
}
.sn-hero-right img {
    max-width: 100%;
    height: auto;
}

/* Pricing section */
.sn-section { padding: 3rem 0; }
.sn-section-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: hsl(var(--foreground));
    letter-spacing: -0.02em;
    margin: 0 0 4px;
}
.sn-section-desc {
    color: hsl(var(--muted-foreground));
    font-size: 14px;
    margin-top: 4px;
}
.sn-pricing-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.sn-pricing-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: hsl(var(--primary) / 0.04);
    border: 1px solid hsl(var(--primary) / 0.1);
    color: hsl(var(--primary));
    border-radius: 9999px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
}
.sn-tab-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}
.sn-tab {
    border-radius: calc(var(--radius));
    padding: 7px 14px;
    font-weight: 500;
    background: hsl(var(--card));
    color: hsl(var(--muted-foreground));
    border: 1px solid hsl(var(--border));
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.12s;
    font-family: inherit;
}
.sn-tab:hover {
    background: hsl(var(--accent));
    color: hsl(var(--foreground));
}
.sn-tab.active {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
}
.sn-tab i { font-size: 14px; margin-right: 4px; }

.sn-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
}
.sn-pricing-card {
    border-radius: calc(var(--radius) + 2px);
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: snCardIn 0.35s ease-out both;
}
.sn-pricing-card:nth-child(1) { animation-delay: 0s; }
.sn-pricing-card:nth-child(2) { animation-delay: 0.06s; }
.sn-pricing-card:nth-child(3) { animation-delay: 0.12s; }
.sn-pricing-card:nth-child(4) { animation-delay: 0.18s; }
@keyframes snCardIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}
.sn-pricing-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: hsl(var(--primary) / 0.25);
}
.sn-pricing-card-head {
    padding: 16px 16px 12px;
    border-bottom: 1px solid hsl(var(--border));
}
.sn-pricing-card-title {
    font-size: 15px;
    font-weight: 700;
    color: hsl(var(--foreground));
    margin: 0 0 6px;
    letter-spacing: -0.02em;
}
.sn-price {
    font-size: 1.3rem;
    font-weight: 800;
    color: hsl(var(--primary));
    letter-spacing: -0.02em;
}
.sn-price-unit {
    font-size: 12px;
    font-weight: 500;
    color: hsl(var(--muted-foreground));
    display: block;
    margin-top: 2px;
}
.sn-pricing-card-body {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.sn-feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    flex: 1;
}
.sn-feature-list li {
    padding: 3px 0;
    display: flex;
    gap: 6px;
    align-items: flex-start;
    color: hsl(var(--foreground));
    font-size: 13px;
}
.sn-feature-list li i {
    color: hsl(var(--primary));
    margin-top: 2px;
    font-size: 14px;
}
.sn-buy-btn {
    width: 100%;
    padding: 10px;
    border-radius: calc(var(--radius));
    font-weight: 600;
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border: none;
    cursor: pointer;
    transition: opacity 0.12s;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-family: inherit;
}
.sn-buy-btn:hover { opacity: 0.9; }

/* Features grid */
.sn-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.sn-feature-card {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) + 2px);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.15s;
}
.sn-feature-card:hover {
    box-shadow: var(--shadow);
    border-color: hsl(var(--primary) / 0.15);
}
.sn-feature-card .sn-ic {
    width: 36px; height: 36px;
    border-radius: calc(var(--radius));
    display: flex;
    align-items: center;
    justify-content: center;
    background: hsl(var(--primary) / 0.06);
    color: hsl(var(--primary));
    font-size: 16px;
    margin-bottom: 10px;
}
.sn-feature-card h3 {
    font-size: 14px;
    font-weight: 700;
    color: hsl(var(--foreground));
    margin: 0 0 4px;
    letter-spacing: -0.01em;
}
.sn-feature-card p {
    color: hsl(var(--muted-foreground));
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
}

/* CTA */
.sn-cta {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-radius: calc(var(--radius) + 4px);
    padding: 2rem;
}
.sn-cta h2 {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0 0 4px;
    letter-spacing: -0.02em;
}
.sn-cta p {
    margin: 0;
    opacity: 0.85;
}
.sn-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: calc(var(--radius));
    font-weight: 600;
    font-size: 13px;
    text-decoration: none;
    transition: opacity 0.12s;
    border: none;
    cursor: pointer;
}
.sn-cta-btn-ghost {
    background: rgba(255,255,255,0.12);
    color: hsl(var(--primary-foreground));
    border: 1px solid rgba(255,255,255,0.2);
}
.sn-cta-btn-white {
    background: hsl(var(--background));
    color: hsl(var(--foreground));
}

/* Skeleton placeholders */
.sn-skeleton {
    border-radius: calc(var(--radius) + 2px);
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    overflow: hidden;
}
.sn-sk-line {
    background: linear-gradient(90deg, hsl(var(--muted)) 25%, hsl(var(--border)) 37%, hsl(var(--muted)) 63%);
    background-size: 800px 100%;
    animation: snShimmer 1.5s ease-in-out infinite;
    border-radius: 4px;
    height: 14px;
    margin-bottom: 8px;
}
.sn-sk-line.w60 { width: 60%; }
.sn-sk-line.w40 { width: 40%; }
.sn-sk-line.w80 { width: 80%; }
.sn-sk-line.thick { height: 24px; }
.sn-sk-btn {
    width: 100%;
    height: 36px;
    border-radius: calc(var(--radius));
    background: linear-gradient(90deg, hsl(var(--muted)) 25%, hsl(var(--border)) 37%, hsl(var(--muted)) 63%);
    background-size: 800px 100%;
    animation: snShimmer 1.5s ease-in-out infinite;
    margin-top: auto;
}
@keyframes snShimmer {
    0% { background-position: -400px 0; }
    100% { background-position: 400px 0; }
}

/* Responsive */
@media(max-width: 1100px) {
    .sn-grid { grid-template-columns: 1fr; }
    .sn-col-side { position: static; }
}
@media(max-width: 900px) {
    .sn-stats { grid-template-columns: repeat(2, 1fr); }
    .sn-features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(max-width: 767px) {
    .sn-hero-title { font-size: 1.5rem; }
    .sn-hero-features { grid-template-columns: 1fr; }
    .sn-pricing-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .sn-tab-group { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
    .sn-tab-group::-webkit-scrollbar { display: none; }
    .sn-tab { white-space: nowrap; flex-shrink: 0; }
}
@media(max-width: 600px) {
    .sn-page-wrap { padding: 12px; }
    .sn-stats { gap: 8px; }
    .sn-stat-card { padding: 12px; }
    .sn-stat-val { font-size: 18px; }
    .sn-service-grid { grid-template-columns: 1fr; }
    .sn-eco-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
    .sn-card-header { padding: 10px 12px; }
    .sn-card-body { padding: 10px 12px; }
    .sn-grid { gap: 10px; }
    .sn-col-main { gap: 10px; }
    .sn-alert { padding: 8px 10px; font-size: 12px; }
}
@media(max-width: 480px) {
    .sn-stats { grid-template-columns: 1fr; }
    .sn-eco-grid { grid-template-columns: 1fr; }
    .sn-features-grid { grid-template-columns: 1fr; }
    .sn-pricing-grid { grid-template-columns: 1fr; }
    .sn-hero-actions { flex-direction: column; }
    .sn-hero-btn { width: 100%; justify-content: center; }
}