/* dnsdome portal — "Signal" dark design system. Self-contained, no framework.
   Fonts via Google Fonts (browser-side); graceful system fallbacks. */

:root {
  /* canvas + surfaces */
  --bg:            #0a0e13;
  --bg-2:          #0d1219;
  --surface:       #121922;
  --surface-2:     #161f2a;
  --surface-3:     #1c2733;
  --border:        #233040;
  --border-soft:   #1a2430;

  /* text */
  --text:          #e7eef6;
  --text-dim:      #aab7c6;
  --text-mute:     #6b7a8d;

  /* signal accent (emerald) + states */
  --accent:        #2ee6a6;
  --accent-2:      #13c4c4;
  --accent-ink:    #052b20;
  --accent-glow:   rgba(46,230,166,.16);
  --danger:        #ff6b6b;
  --danger-bg:     rgba(255,107,107,.10);
  --warn:          #ffc15a;
  --warn-bg:       rgba(255,193,90,.10);

  --radius:        14px;
  --radius-sm:     10px;
  --radius-pill:   999px;
  --ctl-h:         44px;                 /* one height for inputs AND buttons */
  --shadow:        0 1px 0 rgba(255,255,255,.03), 0 18px 40px -24px rgba(0,0,0,.8);
  --ring:          0 0 0 3px var(--accent-glow);

  --font-display: "Bricolage Grotesque", "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  letter-spacing: .002em;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* atmosphere: radial signal glow + faint grid */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 500px at 78% -8%, var(--accent-glow), transparent 60%),
    radial-gradient(700px 500px at 6% 4%, rgba(19,196,196,.08), transparent 55%),
    var(--bg);
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; opacity: .5;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 75%);
          mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 75%);
}

/* ---------- typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em; line-height: 1.12; margin: 0 0 .4em; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.12rem; letter-spacing: -.01em; }
p { margin: 0 0 1rem; }
a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: #7af3cf; }
code, .mono { font-family: var(--font-mono); font-size: .88em; }
code { background: var(--surface-2); border: 1px solid var(--border-soft); padding: .08em .42em; border-radius: 6px; color: #cfe9df; }
.muted, small.muted { color: var(--text-mute); }
small { font-size: .82rem; }
hr { border: 0; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* ---------- top nav ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: .35rem;
  padding: .7rem clamp(1rem, 4vw, 2.2rem);
  background: rgba(10,14,19,.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.brand { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; letter-spacing: -.02em; color: var(--text); margin-right: 1rem; }
.brand:hover { color: var(--text); }
.brand .mark {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(150deg, var(--accent), var(--accent-2));
  color: var(--accent-ink); font-weight: 800; font-size: .95rem;
  box-shadow: 0 0 0 1px rgba(46,230,166,.4), 0 6px 18px -6px var(--accent);
}
.brand .mark::after { content: "·"; }
.nav-links { display: flex; gap: .15rem; flex-wrap: wrap; }
.nav-links a {
  color: var(--text-dim); padding: .42rem .8rem; border-radius: var(--radius-sm);
  font-weight: 500; font-size: .94rem; transition: background .15s, color .15s;
}
.nav-links a:hover { color: var(--text); background: var(--surface-2); }
.nav-links a.active { color: var(--accent); background: var(--surface-2); }
.nav-spacer { flex: 1 1 auto; }
.user-chip { display: inline-flex; align-items: center; gap: .55rem; font-size: .84rem; color: var(--text-mute); }
.user-chip .email { color: var(--text-dim); }
@media (max-width: 760px) { .user-chip .meta { display: none; } }

/* ---------- layout ---------- */
.container { width: 100%; max-width: 980px; margin: 0 auto; padding: 2rem clamp(1rem, 4vw, 2.2rem) 4rem; }
.page-head { margin-bottom: 1.6rem; }
.page-head .eyebrow { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: .5rem; }
.page-head p { color: var(--text-dim); margin: .25rem 0 0; }
.stack { display: flex; flex-direction: column; gap: 1.2rem; }
.section { margin-bottom: 1.8rem; }

/* ---------- cards ---------- */
.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.35rem 1.45rem; box-shadow: var(--shadow);
}
.card + .card { margin-top: 1.1rem; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: .25rem; }
.card-head h3 { margin: 0; }
.card-sub { color: var(--text-mute); font-size: .9rem; margin: .15rem 0 1.1rem; }

/* ---------- forms ---------- */
.field { display: block; margin-bottom: 1rem; }
.field > label, .label { display: block; font-size: .82rem; font-weight: 600; color: var(--text-dim); margin-bottom: .4rem; letter-spacing: .01em; }
input, select, textarea {
  width: 100%; height: var(--ctl-h); padding: 0 .85rem;
  font-family: var(--font-body); font-size: .95rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s, background .15s; outline: none;
}
input::placeholder, textarea::placeholder { color: #4f5d6e; }
input:hover, select:hover, textarea:hover { border-color: #2f405380; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: var(--ring); background: var(--surface); }
input[type=password] { font-family: var(--font-mono); letter-spacing: .08em; }
.hint { display: block; margin-top: .4rem; font-size: .8rem; color: var(--text-mute); }

/* inline "input + button" rows — the thing the user complained about */
.form-row { display: flex; gap: .6rem; align-items: flex-end; flex-wrap: wrap; }
.form-row .field { flex: 1 1 220px; margin-bottom: 0; }
.form-row .btn { flex: 0 0 auto; }

/* ---------- buttons (share --ctl-h with inputs) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  height: var(--ctl-h); padding: 0 1.15rem; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: .92rem; font-weight: 600; letter-spacing: .01em;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform .12s, box-shadow .15s, background .15s, border-color .15s, color .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(150deg, var(--accent), var(--accent-2)); color: var(--accent-ink); box-shadow: 0 8px 22px -10px var(--accent); }
.btn-primary:hover { box-shadow: 0 10px 26px -8px var(--accent); filter: brightness(1.05); color: var(--accent-ink); }
.btn-ghost { background: var(--surface-2); color: var(--text-dim); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-3); color: var(--text); }
.btn-danger { background: transparent; color: var(--danger); border-color: #3a2730; }
.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }
.btn-sm { height: 34px; padding: 0 .8rem; font-size: .82rem; }
.btn-block { width: 100%; }

/* ---------- toggle switch (content categories) ---------- */
.switch { appearance: none; -webkit-appearance: none; cursor: pointer; position: relative; flex: 0 0 auto;
  width: 46px; height: 26px; border-radius: var(--radius-pill); background: var(--surface-3);
  border: 1px solid var(--border); transition: background .18s, border-color .18s; padding: 0; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; border-radius: 50%;
  background: #8394a6; transition: transform .18s, background .18s; }
.switch:checked { background: linear-gradient(150deg, var(--accent), var(--accent-2)); border-color: transparent; box-shadow: 0 0 0 1px rgba(46,230,166,.4); }
.switch:checked::after { transform: translateX(20px); background: var(--accent-ink); }
.switch:focus-visible { box-shadow: var(--ring); }
.toggle-form { display: inline-flex; margin: 0; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table thead th { text-align: left; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-mute); font-weight: 700; padding: .7rem .9rem; background: var(--bg-2); border-bottom: 1px solid var(--border); }
.table td { padding: .72rem .9rem; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr { transition: background .12s; }
.table tbody tr:hover { background: var(--surface); }
.table td.right, .table th.right { text-align: right; }
.cat-name { font-weight: 600; }

/* ---------- badges ---------- */
.badge { display: inline-flex; align-items: center; gap: .35rem; font-family: var(--font-mono); font-size: .72rem; font-weight: 600;
  letter-spacing: .03em; padding: .2rem .55rem; border-radius: var(--radius-pill); border: 1px solid transparent; text-transform: lowercase; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-ok { color: var(--accent); background: var(--accent-glow); border-color: rgba(46,230,166,.25); }
.badge-off { color: var(--text-mute); background: var(--surface-2); border-color: var(--border); }
.badge-warn { color: var(--warn); background: var(--warn-bg); border-color: rgba(255,193,90,.25); }
.badge-danger { color: var(--danger); background: var(--danger-bg); border-color: rgba(255,107,107,.25); }

/* ---------- alerts ---------- */
.alert { display: flex; gap: .7rem; align-items: flex-start; padding: .85rem 1.1rem; border-radius: var(--radius-sm);
  border: 1px solid; margin-bottom: 1.4rem; font-size: .93rem; }
.alert-error { color: #ffd4d4; background: var(--danger-bg); border-color: rgba(255,107,107,.35); }
.alert .ico { color: var(--danger); font-weight: 800; }

/* ---------- empty state ---------- */
.empty { text-align: center; padding: 2.4rem 1rem; color: var(--text-mute); border: 1px dashed var(--border); border-radius: var(--radius); background: rgba(255,255,255,.012); }
.empty strong { color: var(--text-dim); display: block; margin-bottom: .3rem; font-family: var(--font-display); }

/* ---------- collapsible sections ---------- */
details.acc { border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(180deg, var(--surface), var(--bg-2)); margin-bottom: 1.1rem; box-shadow: var(--shadow); overflow: hidden; }
details.acc > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: .7rem; padding: 1.05rem 1.3rem; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
details.acc > summary::-webkit-details-marker { display: none; }
details.acc > summary::before { content: ""; width: 8px; height: 8px; border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); transition: transform .18s; }
details.acc[open] > summary::before { transform: rotate(45deg); }
details.acc > summary .count { font-family: var(--font-mono); font-size: .78rem; color: var(--text-mute); font-weight: 500; margin-left: auto; }
details.acc .acc-body { padding: 0 1.3rem 1.3rem; }

/* ---------- auth ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 2rem 1.2rem; }
.auth-card { width: 100%; max-width: 420px; background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border); border-radius: 18px; padding: 2.2rem; box-shadow: var(--shadow); }
.auth-card .brand { font-size: 1.3rem; margin: 0 0 1.5rem; }
.auth-card h2 { margin-bottom: .25rem; }
.auth-foot { margin: 1.4rem 0 0; text-align: center; color: var(--text-mute); font-size: .9rem; }

/* ---------- helpers + motion ---------- */
.flex { display: flex; align-items: center; gap: .6rem; }
.wrap { flex-wrap: wrap; }
.right { margin-left: auto; }
.list-clean { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .55rem; }
.list-clean li { display: flex; align-items: center; gap: .6rem; padding: .7rem .9rem; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: var(--bg); }

@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.reveal { animation: rise .5s cubic-bezier(.2,.7,.3,1) backwards; }
.reveal:nth-child(2) { animation-delay: .05s; } .reveal:nth-child(3) { animation-delay: .1s; }
.reveal:nth-child(4) { animation-delay: .15s; } .reveal:nth-child(5) { animation-delay: .2s; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ---------- stats page ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.4rem; }
.tabs .tab {
  padding: .42rem .9rem; border-radius: var(--radius-pill);
  font-size: .9rem; font-weight: 600; color: var(--text-dim);
  background: var(--surface-2); border: 1px solid var(--border);
  transition: background .15s, color .15s, border-color .15s;
}
.tabs .tab:hover { color: var(--text); background: var(--surface-3); }
.tabs .tab.tab-active { color: var(--accent-ink); background: linear-gradient(150deg, var(--accent), var(--accent-2)); border-color: transparent; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.1rem; }
.stat {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.1rem 1.2rem; box-shadow: var(--shadow);
}
.stat-label { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-mute); font-weight: 700; margin-bottom: .45rem; }
.stat-value { font-family: var(--font-display); font-weight: 700; font-size: 1.7rem; letter-spacing: -.02em; line-height: 1; }
.stat-value.stat-accent { color: var(--accent); }
.stat-value.stat-danger { color: var(--danger); }

.chart-legend { display: inline-flex; gap: .9rem; font-family: var(--font-mono); font-size: .74rem; color: var(--text-mute); }
.chart-legend .lg { display: inline-flex; align-items: center; gap: .35rem; }
.chart-legend .lg::before { content: ""; width: 9px; height: 9px; border-radius: 2px; }
.chart-legend .lg-accent::before { background: var(--accent); }
.chart-legend .lg-danger::before { background: var(--danger); }
.chart-wrap { margin-top: 1rem; }
.chart { width: 100%; height: 220px; display: block; }
.chart-ax { font-family: var(--font-mono); font-size: 9px; }

.meter { display: block; height: 8px; border-radius: var(--radius-pill); background: var(--surface-3); overflow: hidden; }
.meter-fill { display: block; height: 100%; border-radius: var(--radius-pill); background: linear-gradient(90deg, var(--danger), #ff9b9b); }

@media (max-width: 720px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .form-row { flex-direction: column; align-items: stretch; }
  .form-row .btn { width: 100%; }
  .topbar { flex-wrap: wrap; }
  h1 { font-size: 1.6rem; } h2 { font-size: 1.3rem; }
}