/* =====================================================================
   oen.de — OEN Security Toolkit
   Dark "SOC" dashboard theme. No framework, pure CSS.
   ===================================================================== */

:root {
    /* Light theme — default */
    --bg:        #eef2f8;
    --bg-2:      #ffffff;
    --panel:     #e9eef6;
    --panel-2:   #f3f6fb;
    --card:      #ffffff;
    --border:    #dde4ee;
    --border-2:  #c5cfde;
    --text:      #243044;
    --text-dim:  #4d5a70;
    --text-mut:  #76829a;
    --accent:    #0ea36f;   /* teal-green */
    --accent-2:  #0284c7;   /* cyan */
    --accent-3:  #7c3aed;   /* violet */
    --danger:    #dc2626;
    --warning:   #d97706;
    --success:   #059669;
    --info:      #0284c7;
    --heading:   #0f172a;
    --code-bg:   #0f1626;
    --code-fg:   #cfe9df;
    --topbar-bg: rgba(255,255,255,.82);
    --shadow:    rgba(15,23,42,.18);
    --logo-ink:  #06210f;
    --glow-1:    rgba(14,163,111,.06);
    --glow-2:    rgba(2,132,199,.05);
    --radius:    12px;
    --radius-sm: 8px;
    --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --sidebar-w: 290px;
    --topbar-h: 60px;
}

[data-theme="dark"] {
    --bg:        #0b0f17;
    --bg-2:      #0f1623;
    --panel:     #131c2b;
    --panel-2:   #0f1623;
    --card:      #141d2e;
    --border:    #243049;
    --border-2:  #2f3d5c;
    --text:      #d8e0ee;
    --text-dim:  #8b97ad;
    --text-mut:  #5d6a82;
    --accent:    #2de0a7;   /* neon mint */
    --accent-2:  #38bdf8;   /* cyan */
    --accent-3:  #a78bfa;   /* violet */
    --danger:    #f87171;
    --warning:   #fbbf24;
    --success:   #34d399;
    --info:      #38bdf8;
    --heading:   #f1f5fb;
    --code-bg:   #0a0e16;
    --code-fg:   #cfe9df;
    --topbar-bg: rgba(11,15,23,.8);
    --shadow:    rgba(0,0,0,.5);
    --glow-1:    rgba(45,224,167,.07);
    --glow-2:    rgba(56,189,248,.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

body {
    background:
        radial-gradient(1200px 600px at 80% -10%, var(--glow-1), transparent 60%),
        radial-gradient(900px 500px at -10% 20%, var(--glow-2), transparent 55%),
        var(--bg);
    min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { color: var(--heading); font-weight: 650; line-height: 1.2; }
code, pre, kbd, .mono { font-family: var(--mono); }

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

.sidebar {
    width: var(--sidebar-w);
    flex: 0 0 var(--sidebar-w);
    background: linear-gradient(180deg, var(--bg-2), var(--bg));
    border-right: 1px solid var(--border);
    position: fixed;
    inset: 0 auto 0 0;
    display: flex;
    flex-direction: column;
    z-index: 40;
    overflow-y: auto;
}
.sidebar::-webkit-scrollbar { width: 9px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 9px; }

.brand {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0;
    background: var(--bg-2);
    z-index: 2;
}
.brand .logo {
    width: 38px; height: 38px; border-radius: 10px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: var(--logo-ink); font-weight: 800; font-family: var(--mono);
    box-shadow: 0 6px 18px rgba(45,224,167,.25);
}
.brand .name { font-weight: 750; color: var(--heading); letter-spacing: .3px; }
.brand .name small { display: block; color: var(--text-mut); font-weight: 500; font-size: 11px; letter-spacing: .6px; text-transform: uppercase; }

.nav { padding: 10px 10px 24px; }
.nav-cat { margin-top: 6px; }
.nav-cat > .nav-head {
    display: flex; align-items: center; gap: 10px;
    width: 100%; text-align: left;
    padding: 9px 11px; margin-top: 4px;
    background: none; border: 0; cursor: pointer;
    color: var(--text); font: inherit; font-weight: 600;
    border-radius: var(--radius-sm);
}
.nav-cat > .nav-head:hover { background: var(--panel); }
.nav-cat > .nav-head .chev { margin-left: auto; transition: transform .18s ease; color: var(--text-mut); }
.nav-cat.open > .nav-head .chev { transform: rotate(90deg); }
.nav-ico { color: var(--accent); display: inline-flex; }

.nav-sub { display: none; padding-left: 8px; margin: 2px 0 6px; border-left: 1px solid var(--border); margin-left: 18px; }
.nav-cat.open > .nav-sub { display: block; }

.nav-group > .nav-group-head {
    padding: 6px 10px; font-size: 11px; letter-spacing: .7px;
    text-transform: uppercase; color: var(--text-mut); font-weight: 700;
}
.nav-link {
    display: flex; align-items: center; gap: 8px;
    padding: 7px 11px; border-radius: var(--radius-sm);
    color: var(--text-dim); font-size: 14px;
}
.nav-link:hover { background: var(--panel); color: var(--text); text-decoration: none; }
.nav-link.active { background: rgba(45,224,167,.12); color: var(--accent); font-weight: 600; }
.nav-link.active::before { content: ""; width: 3px; height: 16px; background: var(--accent); border-radius: 3px; margin-left: -4px; }
.nav-link .badge-soon { margin-left: auto; }

/* ---------- Main ---------- */
.main { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-width: 0; }

.topbar {
    height: var(--topbar-h);
    display: flex; align-items: center; gap: 14px;
    padding: 0 22px;
    border-bottom: 1px solid var(--border);
    background: var(--topbar-bg);
    backdrop-filter: blur(8px);
    position: sticky; top: 0; z-index: 30;
}
.topbar .menu-btn { display: none; background: none; border: 0; color: var(--text); cursor: pointer; }
.topbar .search { flex: 1; max-width: 520px; position: relative; }
.topbar .search input {
    width: 100%; padding: 9px 12px 9px 38px;
    background: var(--panel); border: 1px solid var(--border);
    border-radius: 999px; color: var(--text); font: inherit;
}
.topbar .search input:focus { outline: none; border-color: var(--accent); }
.topbar .search .ico { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-mut); }
.topbar .spacer { flex: 1; }
.topbar .top-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle { padding: 7px 9px; }
.theme-toggle .ico-dark { display: none; }
[data-theme="dark"] .theme-toggle .ico-light { display: none; }
[data-theme="dark"] .theme-toggle .ico-dark { display: inline-flex; }

.content { padding: 26px 28px 60px; max-width: 1180px; width: 100%; }

/* ---------- Search results dropdown ---------- */
.search-results {
    position: absolute; top: 110%; left: 0; right: 0;
    background: var(--panel); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 6px; display: none;
    max-height: 60vh; overflow-y: auto; box-shadow: 0 18px 40px var(--shadow);
}
.search-results.show { display: block; }
.search-results a { display: block; padding: 8px 10px; border-radius: 8px; color: var(--text); }
.search-results a:hover { background: var(--card); text-decoration: none; }
.search-results small { color: var(--text-mut); display: block; }

/* ---------- Page header ---------- */
.page-head { margin-bottom: 22px; }
.title-row { display: flex; align-items: center; gap: 14px; justify-content: space-between; flex-wrap: wrap; }
.fav-btn.is-fav { color: var(--warning); border-color: var(--warning); }
.fav-btn.is-fav .ico { fill: currentColor; }
.breadcrumb { color: var(--text-mut); font-size: 13px; margin-bottom: 8px; }
.breadcrumb a { color: var(--text-dim); }
.page-head h1 { margin: 0 0 6px; font-size: 26px; }
.page-head p { margin: 0; color: var(--text-dim); max-width: 70ch; }

/* ---------- Cards / panels ---------- */
.card {
    background: linear-gradient(180deg, var(--card), var(--panel));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
}
.card + .card { margin-top: 18px; }
.card h2, .card h3 { margin-top: 0; }
.card-title { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.card-title .ico { color: var(--accent); }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

/* Tool tiles (overview) */
.tile {
    display: flex; flex-direction: column; gap: 8px;
    background: linear-gradient(180deg, var(--card), var(--panel));
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px; transition: border-color .15s, transform .15s;
}
.tile:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.tile .tile-ico { width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center;
    background: rgba(45,224,167,.12); color: var(--accent); }
.tile h3 { margin: 0; font-size: 15px; color: var(--heading); }
.tile p { margin: 0; color: var(--text-dim); font-size: 13px; }
.tile .tile-cat { font-size: 11px; color: var(--text-mut); text-transform: uppercase; letter-spacing: .5px; }

/* ---------- Forms ---------- */
label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; font-weight: 500; }
.field { margin-bottom: 16px; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=search],
textarea, select {
    width: 100%; padding: 10px 12px;
    background: var(--bg-2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text); font: inherit;
}
textarea { resize: vertical; min-height: 120px; font-family: var(--mono); font-size: 13.5px; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(45,224,167,.12); }
.input-mono { font-family: var(--mono); }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.row > * { flex: 1; min-width: 140px; }
.inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.check { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-size: 14px; cursor: pointer; margin: 0; }
.check input { width: auto; }
.range-val { font-family: var(--mono); color: var(--accent); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 8px; justify-content: center;
    padding: 10px 16px; border-radius: var(--radius-sm);
    background: var(--panel); color: var(--text);
    border: 1px solid var(--border-2); cursor: pointer; font: inherit; font-weight: 600;
    transition: .15s; text-decoration: none;
}
.btn:hover { border-color: var(--accent); color: var(--heading); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent), #1bb98a); color: #06210f; border: 0; }
.btn-primary:hover { color: #06210f; filter: brightness(1.07); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 11px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Output / code ---------- */
pre.out, .output {
    background: var(--code-bg); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 14px;
    font-family: var(--mono); font-size: 13px; color: var(--code-fg);
    white-space: pre-wrap; word-break: break-word; overflow-x: auto; margin: 0;
}
.copyable { position: relative; }
.copy-btn { position: absolute; top: 8px; right: 8px; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--text-mut); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
td.mono, td .mono { font-family: var(--mono); }
tr:hover td { background: rgba(255,255,255,.02); }
.table-wrap { overflow-x: auto; }

/* ---------- Badges / pills ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px;
    font-size: 11px; font-weight: 700; letter-spacing: .3px; }
.badge-accent { background: rgba(45,224,167,.15); color: var(--accent); }
.badge-info { background: rgba(56,189,248,.15); color: var(--info); }
.badge-warn { background: rgba(251,191,36,.15); color: var(--warning); }
.badge-danger { background: rgba(248,113,113,.15); color: var(--danger); }
.badge-success { background: rgba(52,211,153,.15); color: var(--success); }
.badge-soon { background: rgba(167,139,250,.15); color: var(--accent-3); }
.badge-server { background: rgba(56,189,248,.12); color: var(--info); }
.kpi { font-family: var(--mono); font-size: 26px; color: var(--heading); }
.kpi-label { color: var(--text-mut); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }

/* ---------- Alerts ---------- */
.alert { padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border); margin-bottom: 16px; font-size: 14px; }
.alert-success { background: rgba(5,150,105,.10);  border-color: rgba(5,150,105,.4);  color: #065f46; }
.alert-danger  { background: rgba(220,38,38,.10);  border-color: rgba(220,38,38,.4);  color: #991b1b; }
.alert-warning { background: rgba(217,119,6,.10);  border-color: rgba(217,119,6,.4);  color: #92400e; }
.alert-info    { background: rgba(2,132,199,.10);  border-color: rgba(2,132,199,.4);  color: #075985; }
[data-theme="dark"] .alert-success { background: rgba(52,211,153,.10); border-color: rgba(52,211,153,.4); color: #bbf3da; }
[data-theme="dark"] .alert-danger  { background: rgba(248,113,113,.10); border-color: rgba(248,113,113,.4); color: #fbcaca; }
[data-theme="dark"] .alert-warning { background: rgba(251,191,36,.10); border-color: rgba(251,191,36,.4); color: #fde9b8; }
[data-theme="dark"] .alert-info    { background: rgba(56,189,248,.10); border-color: rgba(56,189,248,.4); color: #c2e9fb; }

.muted { color: var(--text-mut); }
.dim { color: var(--text-dim); }
.small { font-size: 13px; }
.hint { font-size: 12.5px; color: var(--text-mut); margin-top: 6px; }
.mt { margin-top: 16px; } .mb { margin-bottom: 16px; }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.divider { height: 1px; background: var(--border); margin: 18px 0; border: 0; }

/* ---------- Auth pages ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: 100%; max-width: 410px; }
.auth-card .brand { border: 0; justify-content: center; background: none; position: static; margin-bottom: 6px; }
.legal-foot { text-align: center; margin-top: 18px; color: var(--text-mut); font-size: 12px; }

/* ---------- Footer ---------- */
.site-foot { border-top: 1px solid var(--border); padding: 22px 28px; color: var(--text-mut); font-size: 13px;
    display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; margin-top: auto; }
.site-foot a { color: var(--text-dim); }
.site-foot .links { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Landing ---------- */
.hero { padding: 60px 28px; max-width: 1180px; }
.hero h1 { font-size: 42px; line-height: 1.08; margin: 0 0 16px; }
.hero h1 .grad { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 18px; color: var(--text-dim); max-width: 60ch; }
.hero .cta { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; }
.landing-nav { display: flex; align-items: center; gap: 14px; padding: 16px 28px; border-bottom: 1px solid var(--border); }
.landing-nav .spacer { flex: 1; }

/* ---------- Legal documents ---------- */
.legal-doc { line-height: 1.7; }
.legal-doc h2 { font-size: 18px; margin: 26px 0 8px; }
.legal-doc h2:first-child { margin-top: 0; }
.legal-doc h3 { font-size: 15px; margin: 20px 0 6px; color: var(--heading); }
.legal-doc p, .legal-doc li { color: var(--text-dim); }
.legal-doc ul { padding-left: 20px; }
.legal-doc li { margin: 4px 0; }
.legal-doc .mono { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .sidebar { transform: translateX(-100%); transition: transform .22s ease; box-shadow: 0 0 60px rgba(0,0,0,.6); }
    body.sb-open .sidebar { transform: translateX(0); }
    .main { margin-left: 0; }
    .topbar .menu-btn { display: inline-flex; }
    .sb-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 35; }
    body.sb-open .sb-backdrop { display: block; }
}