/* kleuren en algemene styling; donker thema met groen accent volgens telecomlijn-mockups */

:root {
    --bg:        #0e0f10;
    --bg-2:      #15171a;
    --bg-3:      #1c1e22;
    --border:    #2a2d32;
    --text:      #e6e8eb;
    --text-dim:  #9aa0a6;
    --accent:    #21d54f;
    --accent-2:  #0fa83a;
    --warn:      #ffb020;
    --danger:    #e64646;
    --danger-bg: #2a1518;
    --ok-bg:     #14241a;
    --link:      #6bb6ff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; font-size: 14px; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* layout: vaste sidebar links, scrollbare main rechts */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }

.sidebar { background: var(--bg-2); border-right: 1px solid var(--border); padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.sidebar .brand { display: flex; align-items: center; gap: 8px; padding: 8px 4px 16px; }
.sidebar .brand .dot { width: 16px; height: 16px; background: var(--accent); border-radius: 3px; }
.sidebar .brand strong { font-size: 15px; }
.sidebar .brand .brand-logo { height: 26px; width: auto; display: block; }
.sidebar .group { font-size: 11px; text-transform: uppercase; color: var(--text-dim); padding: 12px 8px 4px; letter-spacing: 0.05em; }
.sidebar a.nav { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-radius: 6px; color: var(--text); }
.sidebar a.nav:hover { background: var(--bg-3); text-decoration: none; }
.sidebar a.nav.active { background: rgba(33, 213, 79, 0.12); border-left: 2px solid var(--accent); padding-left: 10px; }
.sidebar a.nav .badge { background: var(--danger); color: white; font-size: 11px; padding: 1px 6px; border-radius: 999px; }
.sidebar .badge.muted { background: var(--bg-3); color: var(--text-dim); font-size: 10px; padding: 1px 6px; border-radius: 4px; }
.sidebar .user { margin-top: auto; padding: 12px 8px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.sidebar .user .avatar { background: var(--accent); color: black; width: 32px; height: 32px; border-radius: 999px; display: grid; place-items: center; font-weight: 600; }
.sidebar .user small { color: var(--text-dim); }

.main { padding: 20px 24px; }

/* topbar met zoekveld + refresh-indicator + bel-icoon */
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.topbar .crumb { color: var(--text-dim); font-size: 12px; }
.topbar h1 { margin: 0; font-size: 22px; }
.topbar .spacer { flex: 1; }
.topbar .search { background: var(--bg-2); border: 1px solid var(--border); color: var(--text); padding: 8px 12px; border-radius: 6px; min-width: 260px; }
.topbar .refresh { background: var(--bg-2); border: 1px solid var(--border); padding: 6px 12px; border-radius: 6px; display: flex; align-items: center; gap: 8px; }
.topbar .refresh .led { width: 8px; height: 8px; border-radius: 999px; background: var(--accent); animation: pulse 2s infinite; }
.topbar .refresh.stale .led { background: var(--warn); animation: none; }
.topbar .refresh.error .led { background: var(--danger); animation: none; }
.topbar .bell { background: var(--bg-2); border: 1px solid var(--border); width: 36px; height: 36px; border-radius: 6px; display: grid; place-items: center; position: relative; }
.topbar .bell .badge { position: absolute; top: -4px; right: -4px; background: var(--danger); color: white; font-size: 10px; padding: 0 5px; border-radius: 999px; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* stat-cards */
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.stat .label { color: var(--text-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.stat .value { font-size: 26px; font-weight: 600; margin-top: 4px; }
.stat.offline { border-color: var(--danger); background: var(--danger-bg); }
.stat.offline .value { color: var(--danger); }
.stat.online .value { color: var(--accent); }

/* filter-rij boven tabel */
.filters { display: flex; gap: 8px; margin-bottom: 12px; }
.filters select, .filters button { background: var(--bg-2); border: 1px solid var(--border); color: var(--text); padding: 6px 10px; border-radius: 6px; }
.filters button.primary { background: var(--accent); color: black; border-color: var(--accent-2); font-weight: 600; }

/* tabellen */
.panel { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.panel h2 { margin: 0; padding: 12px 16px; font-size: 14px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.panel h2 small { color: var(--text-dim); font-weight: normal; }

table { width: 100%; border-collapse: collapse; }
table th { background: var(--accent); color: black; text-align: left; padding: 8px 12px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
table td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
table tr:hover { background: var(--bg-3); cursor: pointer; }
table tr.offline td { background: rgba(230, 70, 70, 0.05); }

.pill { display: inline-flex; align-items: center; gap: 6px; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.pill.online { background: var(--ok-bg); color: var(--accent); }
.pill.offline { background: var(--danger-bg); color: var(--danger); }
.pill.warn { background: rgba(255, 176, 32, 0.15); color: var(--warn); }
.pill .dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; }

.group-header { background: var(--bg-3); padding: 8px 12px; font-weight: 600; color: var(--text-dim); border-bottom: 1px solid var(--border); }
.group-header .small { color: var(--text-dim); font-weight: normal; margin-left: 8px; }

/* device detail */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.detail-row { display: flex; justify-content: space-between; padding: 10px 16px; border-bottom: 1px solid var(--border); }
.detail-row:last-child { border-bottom: none; }
.detail-row strong { color: var(--text-dim); font-weight: normal; }
.detail-value { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }

/* flash messages */
.flashes { padding: 12px 16px; background: var(--bg-3); border: 1px solid var(--border); border-radius: 6px; margin-bottom: 12px; }
.flashes p { margin: 2px 0; }

/* login pagina */
.login-wrap { min-height: 100vh; display: grid; place-items: center; }
.login-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 32px; width: 360px; }
.login-card h1 { font-size: 18px; margin: 0 0 4px; }
.login-card .sub { color: var(--text-dim); font-size: 12px; margin-bottom: 24px; }
.login-card .btn-ms { width: 100%; background: white; color: black; border: 1px solid var(--border); padding: 10px; border-radius: 6px; display: flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; }
.login-card .sep { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: 11px; margin: 20px 0; }
.login-card .sep::before, .login-card .sep::after { content: ""; flex: 1; border-top: 1px solid var(--border); }
.login-card label { display: block; font-size: 12px; color: var(--text-dim); margin: 12px 0 4px; }
.login-card input { width: 100%; background: var(--bg-3); border: 1px solid var(--border); color: var(--text); padding: 8px 10px; border-radius: 6px; }
.login-card button.primary { width: 100%; background: var(--accent); color: black; border: none; padding: 10px; border-radius: 6px; font-weight: 600; margin-top: 16px; cursor: pointer; }
.login-card .https-note { color: var(--text-dim); font-size: 11px; margin-top: 16px; display: flex; align-items: center; gap: 6px; }
.login-logo { display: flex; justify-content: center; margin-bottom: 20px; }
.login-logo img { height: 40px; width: auto; }

/* tabs voor settings */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tabs a { padding: 8px 16px; color: var(--text-dim); border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--text); border-bottom-color: var(--accent); }

/* knoppen algemeen */
button, .btn { cursor: pointer; background: var(--bg-3); border: 1px solid var(--border); color: var(--text); padding: 6px 12px; border-radius: 6px; }
button.primary, .btn.primary { background: var(--accent); color: black; border-color: var(--accent-2); font-weight: 600; }
button.danger, .btn.danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }

.role-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; background: var(--bg-3); color: var(--text-dim); }
.role-badge.beheerder { background: rgba(33, 213, 79, 0.15); color: var(--accent); }

.muted { color: var(--text-dim); }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
.right { text-align: right; }
.hidden { display: none; }

/* simpel modal */
.modal-bg { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); display: grid; place-items: center; z-index: 100; }
.modal { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 24px; width: 420px; }
.modal h3 { margin: 0 0 12px; }
.modal .row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }

.toast-wrap { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 200; }
.toast { background: var(--bg-2); border-left: 4px solid var(--accent); padding: 10px 14px; border-radius: 4px; min-width: 240px; }
.toast.error { border-left-color: var(--danger); }

/* sorteerbare kolomkoppen: klikbaar, met pijl-indicator */
table th[data-key] { cursor: pointer; user-select: none; white-space: nowrap; }
table th[data-key]:hover { background: var(--accent-2); }
table th .arrow { font-size: 9px; margin-left: 4px; opacity: 0.8; }

/* responsive: onder 820px klapt de layout naar 1 kolom en scrollt de tabel horizontaal
   (primair desktop, maar werkbaar op tablet/mobiel zoals de Must vereist) */
@media (max-width: 820px) {
    .app { grid-template-columns: 1fr; }
    .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 4px 12px;
               border-right: none; border-bottom: 1px solid var(--border); }
    .sidebar .group { display: none; }
    .sidebar .brand { padding: 8px 4px; }
    .sidebar .user { margin: 0 0 0 auto; border-top: none; padding: 8px; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .detail-grid { grid-template-columns: 1fr; }
    .filters { flex-wrap: wrap; }
    .topbar { flex-wrap: wrap; }
    .topbar .search { min-width: 0; flex: 1 1 100%; order: 5; }
    .panel { overflow-x: auto; }
    table { min-width: 760px; }   /* dwingt horizontale scroll i.p.v. ingeklapte kolommen */
}