@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --platform-bg: #f5f8fb;
    --platform-surface: #ffffff;
    --platform-surface-muted: #f0f5f8;
    --platform-border: #dce7ee;
    --platform-border-strong: #c7d6df;
    --platform-text: #102231;
    --platform-muted: #647887;
    --platform-primary: #0077a8;
    --platform-primary-hover: #005f87;
    --platform-primary-soft: #e4f4fb;
    --platform-success: #157347;
    --platform-warning: #a16207;
    --platform-danger: #b42318;
    --platform-sidebar: #101820;
    --platform-sidebar-muted: #9fb0bc;
    --platform-shadow: 0 16px 38px rgba(16, 34, 49, 0.08);
}

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

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background: var(--platform-bg);
    color: var(--platform-text);
    font-family: Inter, "Segoe UI", sans-serif;
    font-size: 14px;
}

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

.platform-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 264px;
    background: var(--platform-sidebar);
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 18px 14px;
    z-index: 20;
}

.platform-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 42px;
    padding: 4px 10px 18px;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 800;
}

.brand-mark {
    color: #31b5e6;
    display: inline-flex;
}

.platform-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 8px;
}

.platform-nav-title {
    padding: 14px 10px 8px;
    color: var(--platform-sidebar-muted);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.platform-nav-link,
.platform-tenant-link {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 40px;
    padding: 9px 10px;
    border-radius: 8px;
    color: #d6e0e7;
    text-decoration: none;
    font-weight: 600;
}

.platform-nav-link i,
.platform-tenant-link i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.platform-nav-link:hover,
.platform-tenant-link:hover,
.platform-nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.platform-nav-link.disabled {
    opacity: 0.46;
    pointer-events: none;
}

.platform-sidebar-footer {
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.platform-main {
    width: 100%;
    min-width: 0;
    margin-left: 264px;
    padding: 28px;
}

.platform-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
}

.platform-topbar h1 {
    margin: 0 0 4px;
    font-size: 28px;
    font-weight: 800;
}

.platform-topbar p {
    margin: 0;
    color: var(--platform-muted);
}

.platform-topbar-actions,
.panel-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.icon-button {
    width: 38px;
    height: 38px;
    border: 1px solid var(--platform-border);
    border-radius: 8px;
    background: var(--platform-surface);
    color: var(--platform-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.icon-button:hover {
    border-color: var(--platform-primary);
    color: var(--platform-primary);
}

.btn-primary {
    --bs-btn-bg: var(--platform-primary);
    --bs-btn-border-color: var(--platform-primary);
    --bs-btn-hover-bg: var(--platform-primary-hover);
    --bs-btn-hover-border-color: var(--platform-primary-hover);
    font-weight: 700;
    border-radius: 8px;
}

.btn-outline-secondary {
    border-color: var(--platform-border-strong);
    color: var(--platform-text);
    font-weight: 700;
    border-radius: 8px;
}

.platform-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.metric-card {
    min-height: 94px;
    padding: 18px;
    border: 1px solid var(--platform-border);
    border-radius: 8px;
    background: var(--platform-surface);
    box-shadow: 0 10px 24px rgba(16, 34, 49, 0.04);
}

.metric-label {
    display: block;
    margin-bottom: 10px;
    color: var(--platform-muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.metric-card strong {
    display: block;
    color: var(--platform-text);
    font-size: 30px;
    line-height: 1;
}

.platform-panel {
    border: 1px solid var(--platform-border);
    border-radius: 8px;
    background: var(--platform-surface);
    box-shadow: var(--platform-shadow);
}

.platform-view[hidden] {
    display: none !important;
}

.panel-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px;
    border-bottom: 1px solid var(--platform-border);
}

.panel-title h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 800;
}

.panel-title span {
    display: block;
    margin-top: 3px;
    color: var(--platform-muted);
    font-size: 12px;
}

.search-field {
    position: relative;
    min-width: 260px;
}

.search-field i {
    position: absolute;
    top: 50%;
    left: 12px;
    color: var(--platform-muted);
    transform: translateY(-50%);
}

.search-field input {
    width: 100%;
    height: 38px;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--platform-border);
    border-radius: 8px;
    outline: none;
}

.search-field input:focus,
.form-control:focus,
.form-select:focus {
    border-color: var(--platform-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 119, 168, 0.12);
}

#tenant-status-filter {
    width: 150px;
    height: 38px;
    border-radius: 8px;
}

.platform-alert {
    margin: 14px 18px 0;
    padding: 12px 14px;
    border: 1px solid var(--platform-border);
    border-radius: 8px;
    background: var(--platform-surface-muted);
    color: var(--platform-text);
    font-weight: 600;
}

.platform-alert.danger {
    border-color: #f2b8b5;
    background: #fff1f0;
    color: var(--platform-danger);
}

.platform-alert.success {
    border-color: #adddc1;
    background: #f0fbf4;
    color: var(--platform-success);
}

.platform-table-wrap {
    min-height: 360px;
}

.platform-table {
    margin: 0;
}

.platform-table thead th {
    padding: 13px 18px;
    border-bottom: 1px solid var(--platform-border);
    color: var(--platform-muted);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    white-space: nowrap;
}

.platform-table tbody td {
    padding: 15px 18px;
    border-bottom: 1px solid var(--platform-border);
    color: var(--platform-text);
    vertical-align: middle;
}

.tenant-name {
    display: block;
    font-weight: 800;
}

.tenant-meta {
    color: var(--platform-muted);
    font-size: 12px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.status-active {
    background: #e8f7ef;
    color: var(--platform-success);
}

.status-onboarding {
    background: #fff6df;
    color: var(--platform-warning);
}

.status-paused,
.status-suspended {
    background: #fff1f0;
    color: var(--platform-danger);
}

.status-default {
    background: var(--platform-surface-muted);
    color: var(--platform-muted);
}

.table-empty {
    height: 220px;
    color: var(--platform-muted) !important;
    text-align: center;
}

.tenant-actions {
    display: inline-flex;
    justify-content: flex-end;
    gap: 8px;
}

.tenant-action-btn {
    width: 34px;
    height: 34px;
    border: 1px solid var(--platform-border);
    border-radius: 8px;
    background: var(--platform-surface);
    color: var(--platform-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.tenant-action-btn:hover {
    border-color: var(--platform-primary);
    color: var(--platform-primary);
}

.status-inactive {
    background: #eef2f5;
    color: var(--platform-muted);
}

.modal-content {
    border: 0;
    border-radius: 8px;
    box-shadow: var(--platform-shadow);
}

.modal-title {
    font-weight: 800;
}

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

.modal-divider {
    margin: 0.25rem 0 0;
    border-color: var(--platform-border);
    opacity: 1;
}

.form-label {
    color: var(--platform-text);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.form-control,
.form-select {
    border-color: var(--platform-border);
    border-radius: 8px;
}

@media (max-width: 992px) {
    .platform-sidebar {
        position: static;
        width: 100%;
        min-height: auto;
    }

    .platform-shell {
        display: block;
    }

    .platform-main {
        margin-left: 0;
        padding: 18px;
    }

    .platform-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .panel-toolbar,
    .platform-topbar {
        align-items: stretch;
        flex-direction: column;
    }

    .panel-actions,
    .platform-topbar-actions {
        width: 100%;
    }

    .search-field {
        min-width: 100%;
    }

    #tenant-status-filter,
    .panel-actions .btn {
        width: 100%;
    }
}

@media (max-width: 560px) {
    .platform-stats {
        grid-template-columns: 1fr;
    }

    .platform-table thead {
        display: none;
    }

    .platform-table tbody tr {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--platform-border);
    }

    .platform-table tbody td {
        display: flex;
        justify-content: space-between;
        gap: 14px;
        padding: 8px 16px;
        border-bottom: 0;
    }

    .platform-table tbody td::before {
        content: attr(data-label);
        color: var(--platform-muted);
        font-size: 11px;
        font-weight: 800;
        text-transform: uppercase;
    }

    .platform-table tbody td:first-child {
        display: block;
    }

    .platform-table tbody td:first-child::before {
        display: none;
    }
}