:root {
    --bg: #0a1020;
    --bg-soft: #101a2d;
    --panel: #121e34;
    --panel-alt: #172642;
    --card: rgba(17, 29, 49, 0.9);
    --border: rgba(146, 165, 198, 0.18);
    --text: #edf3ff;
    --muted: #9bb0cf;
    --primary: #4c8dff;
    --primary-soft: rgba(76, 141, 255, 0.18);
    --green: #19bf82;
    --green-soft: rgba(25, 191, 130, 0.16);
    --purple: #8f7dff;
    --purple-soft: rgba(143, 125, 255, 0.15);
    --orange: #ffb454;
    --orange-soft: rgba(255, 180, 84, 0.15);
    --danger: #ff6b6b;
    --shadow: 0 20px 40px rgba(8, 14, 27, 0.45);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
    background: linear-gradient(180deg, #0a1020 0%, #0c1529 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
}

body {
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

button, input {
    font: inherit;
}

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

.cloudsystems-sidebar {
    width: 260px;
    background: rgba(15, 23, 38, 0.96);
    border-right: 1px solid var(--border);
    padding: 24px 18px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 10px 22px;
}

.brand-mark {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, #5ea2ff, #6b72ff);
    color: white;
    font-weight: 800;
    box-shadow: var(--shadow);
}

.brand-name {
    font-weight: 700;
    letter-spacing: 0.02em;
}

.brand-subtitle {
    font-size: 12px;
    color: var(--muted);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--muted);
    transition: 0.2s ease;
    border: 1px solid transparent;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(76, 141, 255, 0.12);
    border-color: rgba(76, 141, 255, 0.26);
    color: var(--text);
}

.nav-icon {
    width: 18px;
    text-align: center;
    opacity: 0.9;
}

.cloudsystems-content {
    flex: 1;
    padding: 28px 30px 40px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 72px;
    background: rgba(17, 29, 49, 0.74);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 12px 18px;
    box-shadow: var(--shadow);
}

.topbar-search {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0 12px;
    min-height: 46px;
}

.topbar-search input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--muted);
    outline: none;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 10px;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #5ea2ff, #7b5dff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.user-name {
    font-weight: 600;
}

.user-role {
    color: var(--muted);
    font-size: 12px;
}

.caret {
    color: var(--muted);
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin: 28px 0 20px;
}

.eyebrow {
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
    font-size: 11px;
}

.page-header h1 {
    margin: 0;
    font-size: clamp(2rem, 3vw, 2.7rem);
}

.primary-button,
.ghost-button,
.small-button,
.mobile-menu-toggle {
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.primary-button:hover,
.ghost-button:hover,
.small-button:hover,
.mobile-menu-toggle:hover {
    transform: translateY(-1px);
}

.primary-button {
    background: linear-gradient(135deg, #5ea2ff, #7d85ff);
    color: white;
    padding: 12px 18px;
    font-weight: 700;
    box-shadow: 0 16px 28px rgba(84, 123, 255, 0.35);
}

.ghost-button,
.small-button {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border: 1px solid var(--border);
}

.ghost-button {
    padding: 10px 14px;
}

.small-button {
    padding: 8px 10px;
    font-size: 12px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 18px;
}

.stat-card {
    background: linear-gradient(180deg, rgba(18, 30, 52, 0.97), rgba(13, 21, 35, 0.95));
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.card-label {
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 12px;
}

.card-value {
    font-size: clamp(1.8rem, 2vw, 2.3rem);
    font-weight: 700;
    margin-bottom: 10px;
}

.card-caption {
    color: var(--muted);
    font-size: 13px;
}

.tone-blue { border-top: 3px solid var(--primary); }
.tone-green { border-top: 3px solid var(--green); }
.tone-purple { border-top: 3px solid var(--purple); }
.tone-orange { border-top: 3px solid var(--orange); }

.overview-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 18px;
    margin-top: 22px;
}

.panel-card {
    background: rgba(18, 30, 52, 0.92);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.panel-head h2 {
    margin: 0;
    font-size: 1.1rem;
}

.panel-head a {
    color: var(--primary);
    font-size: 14px;
}

.metrics-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 14px;
}

.metric-box {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.02);
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.metric-box span {
    color: var(--muted);
    font-size: 12px;
}

.metric-box strong {
    font-size: 1.5rem;
}

.metric-box small {
    color: var(--green);
}

.activity-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.activity-item:last-child {
    border-bottom: none;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    display: inline-block;
}

.status-ok .dot { background: var(--green); }
.status-warning .dot { background: var(--orange); }
.status-info .dot { background: var(--purple); }

.activity-item strong,
.activity-item small {
    display: block;
}

.activity-item small {
    color: var(--muted);
    margin-top: 4px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

th, td {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    text-align: left;
}

th {
    color: var(--muted);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--green-soft);
    color: #8feac4;
    font-weight: 600;
    font-size: 12px;
}

.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.04);
    color: white;
    border: 1px solid var(--border);
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(180px, 1fr));
    }

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

@media (max-width: 768px) {
    .cloudsystems-shell {
        display: block;
    }

    .cloudsystems-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-bottom: 10px;
    }

    .cloudsystems-content {
        padding: 20px 16px 32px;
    }

    .topbar {
        flex-wrap: wrap;
        padding: 12px;
    }

    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .topbar-search {
        width: 100%;
        order: 2;
    }

    .topbar-user {
        margin-left: auto;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

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