:root {
    --sidebar: #101828;
    --sidebar-light: #172033;

    --primary: #2563eb;
    --primary-dark: #1d4ed8;

    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;

    --bg: #f4f7fb;
    --card: #ffffff;
    --border: #e5e7eb;

    --text: #172033;
    --muted: #667085;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    background: var(--bg);
    color: var(--text);
}

button,
input {
    font: inherit;
}

.app {
    min-height: 100vh;
    display: flex;
}


/* SIDEBAR */

.sidebar {
    width: 270px;
    min-height: 100vh;

    background: linear-gradient(
        180deg,
        #0f172a 0%,
        #111827 100%
    );

    color: white;

    display: flex;
    flex-direction: column;

    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;

    padding: 24px 20px;

    border-bottom: 1px solid rgba(255,255,255,.08);
}

.brand-logo {
    width: 42px;
    height: 42px;

    border-radius: 12px;

    display: grid;
    place-items: center;

    font-weight: 800;

    background: linear-gradient(
        135deg,
        #2563eb,
        #06b6d4
    );
}

.brand-name {
    font-size: 16px;
    font-weight: 800;
}

.brand-subtitle {
    font-size: 11px;
    color: #94a3b8;
    margin-top: 3px;
}

.menu {
    padding: 22px 12px;
    flex: 1;
}

.menu-title {
    font-size: 10px;
    letter-spacing: 1.3px;
    color: #64748b;

    padding: 14px 12px 8px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;

    padding: 12px;

    margin: 3px 0;

    border-radius: 9px;

    color: #cbd5e1;
    text-decoration: none;

    transition: .2s;
}

.menu-item:hover {
    background: rgba(255,255,255,.06);
    color: white;
}

.menu-item.active {
    background: linear-gradient(
        90deg,
        #2563eb,
        #1d4ed8
    );

    color: white;

    box-shadow:
        0 8px 20px rgba(37,99,235,.25);
}

.menu-item span:first-child {
    width: 22px;
    text-align: center;
}

.sidebar-bottom {
    padding: 15px;
}

.system-status {
    display: flex;
    gap: 10px;

    padding: 12px;

    border-radius: 10px;

    background: rgba(255,255,255,.05);

    margin-bottom: 10px;
}

.status-dot {
    width: 9px;
    height: 9px;

    background: #22c55e;

    border-radius: 50%;

    margin-top: 5px;

    box-shadow: 0 0 0 4px rgba(34,197,94,.12);
}

.system-status strong,
.admin-profile strong {
    display: block;
    font-size: 12px;
}

.system-status small,
.admin-profile small {
    display: block;
    color: #94a3b8;
    font-size: 10px;
    margin-top: 3px;
}

.admin-profile {
    display: flex;
    gap: 10px;
    align-items: center;

    padding: 12px;
}

.avatar,
.top-avatar {
    width: 36px;
    height: 36px;

    border-radius: 50%;

    display: grid;
    place-items: center;

    background: linear-gradient(
        135deg,
        #2563eb,
        #7c3aed
    );

    color: white;
    font-size: 11px;
    font-weight: 800;
}


/* MAIN */

.main {
    margin-left: 270px;
    width: calc(100% - 270px);
}

.topbar {
    height: 78px;

    background: white;

    border-bottom: 1px solid var(--border);

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 0 32px;

    position: sticky;
    top: 0;
    z-index: 10;
}

.page-title {
    font-size: 20px;
    font-weight: 800;
}

.breadcrumb {
    color: var(--muted);
    font-size: 11px;
    margin-top: 4px;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.search {
    width: 300px;

    border: 1px solid var(--border);

    background: #f8fafc;

    border-radius: 9px;

    padding: 9px 12px;

    display: flex;
    gap: 8px;
}

.search input {
    border: 0;
    outline: 0;
    background: transparent;
    width: 100%;
    font-size: 12px;
}

.icon-button,
.notification {
    width: 38px;
    height: 38px;

    border: 1px solid var(--border);

    background: white;

    border-radius: 9px;

    cursor: pointer;
}

.notification {
    position: relative;
}

.notification span {
    position: absolute;

    width: 7px;
    height: 7px;

    background: #ef4444;

    border-radius: 50%;

    right: 7px;
    top: 7px;
}


/* CONTENT */

.content {
    padding: 30px;
}

.welcome {
    display: flex;
    justify-content: space-between;
    align-items: center;

    margin-bottom: 25px;
}

.welcome h1 {
    margin: 0;
    font-size: 25px;
}

.welcome p {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.primary-button,
.ai-button {
    border: 0;

    background: linear-gradient(
        135deg,
        #2563eb,
        #1d4ed8
    );

    color: white;

    padding: 11px 18px;

    border-radius: 8px;

    cursor: pointer;

    font-weight: 700;

    box-shadow:
        0 7px 18px rgba(37,99,235,.2);
}

.secondary-button {
    border: 1px solid var(--border);
    background: white;
    padding: 8px 12px;
    border-radius: 7px;
    cursor: pointer;
    font-size: 11px;
}


/* STAT CARDS */

.stats-grid {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 18px;

    margin-bottom: 20px;
}

.stat-card {
    background: white;

    border: 1px solid var(--border);

    border-radius: 12px;

    padding: 20px;

    display: flex;
    gap: 15px;

    box-shadow:
        0 2px 8px rgba(15,23,42,.025);
}

.stat-icon {
    width: 45px;
    height: 45px;

    border-radius: 11px;

    display: grid;
    place-items: center;

    font-size: 18px;
    font-weight: 800;
}

.stat-icon.blue {
    background: #eff6ff;
    color: #2563eb;
}

.stat-icon.green {
    background: #f0fdf4;
    color: #16a34a;
}

.stat-icon.orange {
    background: #fff7ed;
    color: #ea580c;
}

.stat-icon.red {
    background: #fef2f2;
    color: #dc2626;
}

.stat-content span {
    color: var(--muted);
    font-size: 11px;
}

.stat-content strong {
    display: block;

    font-size: 27px;

    margin: 3px 0;
}

.stat-content small {
    color: #98a2b3;
    font-size: 10px;
}

.positive {
    color: var(--success) !important;
}


/* PANELS */

.dashboard-grid {
    display: grid;

    grid-template-columns:
        2fr 1fr;

    gap: 18px;

    margin-bottom: 18px;
}

.panel {
    background: white;

    border: 1px solid var(--border);

    border-radius: 12px;

    overflow: hidden;
}

.panel-header {
    padding: 18px 20px;

    display: flex;

    justify-content: space-between;
    align-items: center;

    border-bottom: 1px solid var(--border);
}

.panel-header h2 {
    margin: 0;
    font-size: 15px;
}

.panel-header p {
    margin: 4px 0 0;

    color: var(--muted);

    font-size: 10px;
}


/* TABLE */

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;

    font-size: 10px;

    color: #667085;

    background: #f8fafc;

    padding: 11px 18px;
}

td {
    padding: 13px 18px;

    border-top: 1px solid #f0f2f5;

    font-size: 11px;
}

.tenant-name {
    font-weight: 700;
}

.tenant-domain {
    color: #98a2b3;
    font-size: 9px;
    margin-top: 2px;
}

.badge {
    display: inline-block;

    padding: 4px 8px;

    border-radius: 20px;

    font-size: 9px;

    font-weight: 700;
}

.badge.active {
    color: #15803d;
    background: #dcfce7;
}

.badge.trial {
    color: #b45309;
    background: #fef3c7;
}

.badge.suspended {
    color: #b91c1c;
    background: #fee2e2;
}

.badge.cancelled {
    color: #475569;
    background: #e2e8f0;
}


/* HEALTH */

.health-list {
    padding: 8px 20px 15px;
}

.health-row {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 13px 0;

    border-bottom: 1px solid #f0f2f5;
}

.health-row:last-child {
    border-bottom: 0;
}

.health-row strong {
    display: block;
    font-size: 11px;
}

.health-row small {
    color: #98a2b3;
    font-size: 9px;
}

.health-ok,
.health-warning {
    font-size: 9px;

    padding: 4px 7px;

    border-radius: 5px;
}

.health-ok {
    color: #15803d;
    background: #dcfce7;
}

.health-warning {
    color: #b45309;
    background: #fef3c7;
}


/* PLAN */

.plan-list {
    padding: 15px 20px;
}

.plan-row {
    margin-bottom: 15px;
}

.plan-head {
    display: flex;
    justify-content: space-between;

    font-size: 11px;

    margin-bottom: 6px;
}

.progress {
    height: 7px;

    background: #eef2f7;

    border-radius: 20px;

    overflow: hidden;
}

.progress-bar {
    height: 100%;

    background: linear-gradient(
        90deg,
        #2563eb,
        #06b6d4
    );

    border-radius: 20px;
}


/* ACTIVITY */

.activity-list {
    padding: 8px 20px;
}

.activity {
    display: flex;

    gap: 10px;

    padding: 12px 0;

    border-bottom: 1px solid #f0f2f5;
}

.activity:last-child {
    border-bottom: 0;
}

.activity-icon {
    width: 28px;
    height: 28px;

    border-radius: 8px;

    background: #eff6ff;

    color: #2563eb;

    display: grid;
    place-items: center;

    font-size: 10px;
}

.activity strong {
    display: block;
    font-size: 10px;
}

.activity small {
    color: #98a2b3;
    font-size: 9px;
}


/* AI */

.ai-banner {
    margin-top: 18px;

    background:
        linear-gradient(
            120deg,
            #111827,
            #172554,
            #1e3a8a
        );

    border-radius: 14px;

    padding: 24px;

    color: white;

    display: flex;

    align-items: center;

    gap: 17px;
}

.ai-icon {
    width: 50px;
    height: 50px;

    border-radius: 13px;

    display: grid;
    place-items: center;

    background: rgba(255,255,255,.12);

    font-size: 23px;
}

.ai-text {
    flex: 1;
}

.ai-text h2 {
    margin: 0;
    font-size: 16px;
}

.ai-text p {
    margin: 5px 0 0;

    color: #cbd5e1;

    font-size: 11px;
}

.ai-button {
    background: white;
    color: #1d4ed8;

    box-shadow: none;
}


/* EMPTY */

.empty {
    color: #98a2b3;
    text-align: center;
    padding: 25px;
}


/* RESPONSIVE */

@media (max-width: 1200px) {

    .stats-grid {
        grid-template-columns:
            repeat(2, 1fr);
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .search {
        width: 220px;
    }
}

@media (max-width: 800px) {

    .sidebar {
        width: 70px;
    }

    .brand-name,
    .brand-subtitle,
    .menu-item span:last-child,
    .menu-title,
    .sidebar-bottom {
        display: none;
    }

    .brand {
        justify-content: center;
        padding: 18px 10px;
    }

    .menu-item {
        justify-content: center;
    }

    .main {
        margin-left: 70px;
        width: calc(100% - 70px);
    }

    .topbar {
        padding: 0 15px;
    }

    .search {
        display: none;
    }

    .content {
        padding: 18px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .welcome {
        align-items: flex-start;
        gap: 15px;
        flex-direction: column;
    }

    .ai-banner {
        flex-direction: column;
        align-items: flex-start;
    }
}