:root {
    --bg: #14161a;
    --panel: #1b1e24;
    --border: #2a2e37;
    --text: #e6e8eb;
    --text-muted: #9aa1ac;
    --accent: #3b82f6;
    --accent-hover: #5b95f8;
    --green: #22c55e;
    --gray: #6b7280;
    --red: #ef4444;
    --yellow: #eab308;
    --sidebar-w: 250px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    transition: transform 0.2s ease;
    z-index: 40;
}

.sidebar-brand {
    padding: 18px 20px;
    font-size: 16px;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}
.sidebar-brand i { color: var(--accent); }

.sidebar-section {
    padding: 14px 20px 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.sidebar-nav { list-style: none; margin: 0; padding: 0 10px; }
.sidebar-nav li { margin: 2px 0; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 13.5px;
}
.sidebar-nav a i { width: 16px; text-align: center; }
.sidebar-nav a:hover { background: rgba(59,130,246,0.08); color: var(--text); }
.sidebar-nav a.active { background: rgba(59,130,246,0.15); color: #fff; border-left: 2px solid var(--accent); padding-left: 10px; }

.sidebar-toggle { display: none; }

/* Main */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    height: 58px;
    border-bottom: 1px solid var(--border);
    background: var(--panel);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 30;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.burger {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 18px;
    cursor: pointer;
}

.admin-chip { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.admin-chip .role { color: var(--text-muted); font-size: 11.5px; text-transform: capitalize; }
.avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: var(--accent); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 13px;
}

.dropdown { position: relative; }
.dropdown-menu {
    display: none;
    position: absolute;
    right: 0; top: 100%;
    margin-top: 8px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    min-width: 160px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    z-index: 50;
    overflow: hidden;
}
.dropdown.open .dropdown-menu { display: block; }
.dropdown-menu a, .dropdown-menu button {
    display: block; width: 100%; text-align: left;
    padding: 9px 14px; background: none; border: none; color: var(--text);
    font-size: 13px; cursor: pointer;
}
.dropdown-menu a:hover, .dropdown-menu button:hover { background: rgba(255,255,255,0.05); }

.btn-plain {
    background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 13px;
    display: flex; align-items: center; gap: 6px;
}
.btn-plain:hover { color: var(--text); }

.content { padding: 22px; flex: 1; }

/* Flash messages */
.flash { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 13.5px; border: 1px solid transparent; }
.flash-success { background: rgba(34,197,94,0.1); border-color: rgba(34,197,94,0.3); color: #86efac; }
.flash-error { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: #fca5a5; }

/* Cards */
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
}
.card + .card { margin-top: 16px; }
.card-title { font-size: 14px; font-weight: 600; margin: 0 0 14px; color: #fff; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat-card {
    background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px;
}
.stat-card .label { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-card .value { font-size: 26px; font-weight: 700; color: #fff; margin-top: 6px; }
.stat-card .icon { float: right; color: var(--accent); font-size: 20px; opacity: 0.7; }

/* Tables */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th, table.data-table td {
    padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.data-table th { color: var(--text-muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.03em; }
table.data-table tbody tr:hover { background: rgba(255,255,255,0.02); }

/* Badges */
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 600;
}
.badge-green { background: rgba(34,197,94,0.15); color: #4ade80; }
.badge-gray { background: rgba(107,114,128,0.2); color: #9ca3af; }
.badge-red { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-yellow { background: rgba(234,179,8,0.15); color: #facc15; }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 12.5px; color: var(--text-muted); }
.form-control, select.form-control, textarea.form-control {
    width: 100%; background: #101317; border: 1px solid var(--border); color: var(--text);
    padding: 9px 11px; border-radius: 6px; font-size: 13.5px;
}
.form-control:focus { outline: none; border-color: var(--accent); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }

.btn {
    display: inline-flex; align-items: center; gap: 7px; padding: 9px 16px; border-radius: 6px;
    font-size: 13px; font-weight: 600; border: 1px solid transparent; cursor: pointer; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: transparent; border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: rgba(255,255,255,0.05); }
.btn-danger { background: rgba(239,68,68,0.15); color: #f87171; border-color: rgba(239,68,68,0.3); }
.btn-danger:hover { background: rgba(239,68,68,0.25); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tabs a {
    padding: 10px 16px; color: var(--text-muted); font-size: 13.5px; border-bottom: 2px solid transparent;
}
.tabs a.active { color: #fff; border-color: var(--accent); }

.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.page-header h1 { font-size: 19px; margin: 0; color: #fff; }

.text-muted { color: var(--text-muted); }
.mb-0 { margin-bottom: 0; }

@media (max-width: 900px) {
    .sidebar { position: fixed; left: 0; transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .burger { display: block; }
    .content { padding: 16px; }
}

/* --- Compatibility layer: some views use alternate class names --- */

/* Plain <table class="table"> — alias of table.data-table */
table.table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.table th, table.table td {
    padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border);
}
table.table th { color: var(--text-muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.03em; }
table.table tbody tr:hover { background: rgba(255,255,255,0.02); }

.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-header h1, .card-header h2, .card-header h3 { margin: 0; font-size: 16px; color: #fff; }

.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.pagination { display: flex; gap: 6px; margin-top: 16px; }
.empty-state { text-align: center; color: var(--text-muted); padding: 24px; }

/* .status-badge / .badge-<slug> naming used across channels/sources/users/devices */
.status-badge, .badge {
    display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 600;
}
.badge-active, .badge-online, .badge-live { background: rgba(34,197,94,0.15); color: #4ade80; }
.badge-offline, .badge-disabled, .badge-inactive, .badge-cancelled { background: rgba(107,114,128,0.2); color: #9ca3af; }
.badge-error, .badge-blocked, .badge-expired, .badge-suspended { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-pending, .badge-unknown { background: rgba(234,179,8,0.15); color: #facc15; }

/* Style raw inputs/selects/textareas even without .form-control, so
   forms built without that class still match the design system. */
input:not([type=checkbox]):not([type=radio]):not([type=hidden]),
select, textarea {
    background: #101317;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 11px;
    border-radius: 6px;
    font-size: 13.5px;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }

.inline-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }