/* ==========================================================================
   S3 Monitor — design system
   Top app-bar, emerald accent, soft cards, monospace numerics, light/dark.
   ========================================================================== */
:root {
  --bg:      #f4f5f7;
  --card:    #ffffff;
  --soft:    #f6f7f9;
  --border:  #e8eaee;
  --border-strong: #dcdfe5;
  --text:    #1f2733;
  --muted:   #8a93a2;
  --heading: #161b22;

  /* Emerald accent */
  --accent:      #16a34a;
  --accent-2:    #15803d;
  --accent-soft: #e7f6ec;

  /* Status palette + soft tints for icon badges */
  --green:  #16a34a; --green-soft:  #e7f6ec;
  --blue:   #2563eb; --blue-soft:   #e6effe;
  --orange: #d97706; --orange-soft: #fdf0dc;
  --purple: #7c3aed; --purple-soft: #efe9fe;
  --red:    #dc2626; --red-soft:    #fde4e4;
  --ok: var(--green); --warn: var(--orange); --crit: var(--red);

  --radius:    16px;
  --radius-sm: 10px;
  --shadow:    0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.06);
  --shadow-lg: 0 10px 40px rgba(16,24,40,.12);
  --ring:      0 0 0 3px var(--accent-soft);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", "Consolas", monospace;
}

[data-theme="dark"] {
  --bg:      #0f1115;
  --card:    #171a21;
  --soft:    #1c2029;
  --border:  #262b35;
  --border-strong: #333a47;
  --text:    #d7dce4;
  --muted:   #7d8696;
  --heading: #f1f4f8;
  --accent-soft: #14331f;
  --green-soft:  #14331f;
  --blue-soft:   #15233f;
  --orange-soft: #3a2a12;
  --purple-soft: #281a44;
  --red-soft:    #3a1a1c;
  --shadow:    0 1px 2px rgba(0,0,0,.4), 0 1px 3px rgba(0,0,0,.3);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------------- Top app-bar ---------------- */
.appbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.25rem;
  padding: 0 1.5rem; height: 60px;
  background: var(--card); border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.appbar-brand { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.appbar-logo {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}
.appbar-title { font-weight: 700; font-size: 1.02rem; color: var(--heading); letter-spacing: -.01em; }

.appbar-nav { display: flex; align-items: center; gap: .15rem; flex: 1; overflow-x: auto; }
.appbar-nav a {
  display: inline-flex; align-items: center; gap: .45rem; white-space: nowrap;
  padding: .5rem .8rem; border-radius: 999px; text-decoration: none;
  color: var(--muted); font-size: .88rem; font-weight: 600;
  transition: background .15s, color .15s;
}
.appbar-nav a svg { opacity: .9; flex-shrink: 0; }
.appbar-nav a:hover { background: var(--soft); color: var(--text); }
.appbar-nav a.active { background: var(--accent-soft); color: var(--accent); }
.appbar-nav a.active svg { color: var(--accent); opacity: 1; }

.appbar-right { display: flex; align-items: center; gap: .35rem; flex-shrink: 0; }
.iconbtn {
  display: grid; place-items: center; width: 36px; height: 36px; padding: 0;
  background: transparent; border: none; border-radius: 9px; cursor: pointer;
  color: var(--muted); text-decoration: none; transition: background .15s, color .15s;
}
.iconbtn:hover { background: var(--soft); color: var(--text); }
.user-chip {
  display: inline-flex; align-items: center; gap: .5rem; padding: .3rem .7rem .3rem .35rem;
  background: var(--soft); border: 1px solid var(--border); border-radius: 999px;
  font-size: .82rem; font-weight: 600; color: var(--text); max-width: 200px;
}
.user-chip .avatar {
  width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: #fff; font-size: .72rem; font-weight: 700; flex-shrink: 0;
}
.user-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------------- Content ---------------- */
.content { flex: 1; min-width: 0; }
.content-inner { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem 3rem; }

h1 { font-size: 1.5rem; font-weight: 700; color: var(--heading); margin: 0 0 .35rem; letter-spacing: -.02em; }
h1 + .subtitle { color: var(--muted); margin: 0 0 1.5rem; font-size: .92rem; }
h2 { font-size: 1.05rem; font-weight: 650; color: var(--heading); margin: 0 0 1rem; display: flex; align-items: center; gap: .5rem; }

/* ---------------- KPI stat cards ---------------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1rem; margin-bottom: 1.75rem; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem 1.3rem; box-shadow: var(--shadow);
}
.stat { display: flex; align-items: center; gap: .9rem; }
.stat-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}
.stat-icon.green  { background: var(--green-soft);  color: var(--green); }
.stat-icon.blue   { background: var(--blue-soft);   color: var(--blue); }
.stat-icon.orange { background: var(--orange-soft); color: var(--orange); }
.stat-icon.purple { background: var(--purple-soft); color: var(--purple); }
.stat-icon.red    { background: var(--red-soft);    color: var(--red); }
.stat-body { min-width: 0; }
.card .label { color: var(--muted); font-size: .74rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.card .value { font-family: var(--mono); font-size: 1.7rem; font-weight: 700; color: var(--heading); margin-top: .2rem; letter-spacing: -.02em; line-height: 1.1; }
.card .value.small { font-size: 1.15rem; }

.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem; box-shadow: var(--shadow); }

/* ---------------- Tables ---------------- */
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
th, td { text-align: left; padding: .8rem 1rem; border-bottom: 1px solid var(--border); font-size: .88rem; }
th { color: var(--muted); font-weight: 600; background: var(--soft); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--soft); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); }
th.num { font-family: inherit; }

/* ---------------- Usage bar / status ---------------- */
.bar { background: var(--border); border-radius: 999px; height: 8px; width: 120px; overflow: hidden; display: inline-block; vertical-align: middle; }
.bar > span { display: block; height: 100%; background: var(--green); border-radius: 999px; }
.bar.warn > span { background: var(--orange); }
.bar.crit > span { background: var(--red); }

.pill { display: inline-flex; align-items: center; gap: .35rem; padding: .15rem .6rem; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.pill.ok      { background: var(--green-soft);  color: var(--green); }
.pill.warn    { background: var(--orange-soft); color: var(--orange); }
.pill.crit    { background: var(--red-soft);    color: var(--red); }
.pill.info    { background: var(--blue-soft);   color: var(--blue); }
.pill.neutral { background: var(--soft); color: var(--muted); border: 1px solid var(--border); }

.status-dot { display: inline-flex; align-items: center; gap: .4rem; font-size: .85rem; font-weight: 600; }
.status-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.status-dot.warn::before { background: var(--orange); }
.status-dot.crit::before { background: var(--red); }

/* ---------------- Sparkline ---------------- */
.sparkline { display: block; width: 88px; height: 26px; overflow: visible; }
.sparkline polyline { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sparkline.warn polyline { stroke: var(--orange); }
.sparkline.crit polyline { stroke: var(--red); }

/* ---------------- Circular score ring ---------------- */
.ring { --val: 0; --ring-color: var(--accent); position: relative; width: 44px; height: 44px; border-radius: 50%;
  flex-shrink: 0; display: grid; place-items: center;
  background: conic-gradient(var(--ring-color) calc(var(--val) * 1%), var(--border) 0); }
.ring::before { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--card); }
.ring > span { position: relative; font-family: var(--mono); font-size: .7rem; font-weight: 700; color: var(--heading); }
.ring.warn { --ring-color: var(--orange); }
.ring.crit { --ring-color: var(--red); }

/* ---------------- Filter chips ---------------- */
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.chip { display: inline-flex; align-items: center; gap: .4rem; padding: .35rem .7rem; border-radius: 999px; cursor: pointer;
  background: var(--card); border: 1px solid var(--border-strong); color: var(--text); font-size: .82rem; font-weight: 600;
  transition: background .15s, color .15s, border-color .15s; }
.chip:hover { background: var(--soft); }
.chip.active { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.chip .count { background: var(--soft); border-radius: 999px; padding: 0 .4rem; font-size: .72rem; color: var(--muted); }
.chip.active .count { background: var(--card); color: var(--accent); }

/* ---------------- Forms ---------------- */
form.inline { display: inline; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.25rem; }
label { display: block; font-size: .82rem; color: var(--text); font-weight: 500; margin-bottom: .4rem; }
.field { margin-bottom: 1rem; }
input[type=text], input[type=password], input[type=number], input[type=email], select {
  width: 100%; padding: .6rem .75rem; background: var(--card); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm); font-size: .9rem; transition: border .15s, box-shadow .15s;
}
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
input::placeholder { color: var(--muted); }
.check { display: flex; align-items: center; gap: .5rem; color: var(--text); }
.check input { width: auto; }
.check label { margin: 0; }

button, .btn {
  background: var(--accent); color: #fff; border: none; padding: .62rem 1.05rem;
  border-radius: var(--radius-sm); cursor: pointer; font-size: .88rem; font-weight: 600;
  text-decoration: none; display: inline-flex; align-items: center; gap: .45rem;
  transition: background .15s, box-shadow .15s, transform .05s;
}
button:hover, .btn:hover { background: var(--accent-2); }
button:active { transform: translateY(1px); }
button.secondary, .btn.secondary { background: var(--card); color: var(--text); border: 1px solid var(--border-strong); }
button.secondary:hover, .btn.secondary:hover { background: var(--soft); }
button.danger, .btn-danger { background: var(--card); color: var(--red); border: 1px solid var(--red); }
button.danger:hover, .btn-danger:hover { background: var(--red-soft); }
.actions { display: flex; gap: .45rem; flex-wrap: wrap; }

.muted { color: var(--muted); font-size: .85rem; }
.subtitle { color: var(--muted); }
details summary { cursor: pointer; color: var(--accent); font-weight: 600; }
details[open] summary { margin-bottom: .5rem; }
code { background: var(--soft); border: 1px solid var(--border); padding: .1rem .4rem; border-radius: 5px; font-size: .82em; font-family: var(--mono); }

.section-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin: 1.75rem 0 1rem; }
.section-head h2 { margin: 0; }

/* ---------------- Tags ---------------- */
.tag { display: inline-block; padding: .12rem .55rem; margin: 0 .2rem .2rem 0; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: .74rem; font-weight: 600; }

/* ---------------- Table search + pagination ---------------- */
input[type=search].table-search { width: 260px; max-width: 60vw; padding: .5rem .7rem;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm); font-size: .85rem; background: var(--card); color: var(--text); }
input[type=search].table-search:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
.pager { display: flex; align-items: center; gap: .6rem; margin-top: .9rem; flex-wrap: wrap; }
.pager-info { color: var(--muted); font-size: .82rem; }
.pager-btn { background: var(--card); color: var(--text); border: 1px solid var(--border-strong); padding: .4rem .8rem; font-size: .82rem; }
.pager-btn:hover:not(:disabled) { background: var(--soft); }
.pager-btn:disabled { opacity: .5; cursor: default; }

/* ---------------- Code block ---------------- */
.code-block { background: #0f1115; color: #c7d0e0; padding: .9rem 1.1rem; border-radius: var(--radius-sm);
  font-size: .82rem; font-family: var(--mono); overflow-x: auto; margin: 1rem 0 0; }
.code-block, .code-block code { border: none; background: transparent; }

/* ---------------- Flash ---------------- */
.flash { padding: .8rem 1.1rem; border-radius: 11px; margin-bottom: 1rem; font-size: .9rem; border: 1px solid transparent; }
.flash-success { background: var(--green-soft);  border-color: var(--accent); color: var(--accent-2); }
.flash-danger  { background: var(--red-soft);    border-color: var(--red);    color: var(--red); }
.flash-warning { background: var(--orange-soft); border-color: var(--orange); color: var(--orange); }
.flash-info    { background: var(--blue-soft);   border-color: var(--blue);   color: var(--blue); }

/* ---------------- Login ---------------- */
.login-body { display: grid; place-items: center; min-height: 100vh;
  background: radial-gradient(1200px 600px at 50% -10%, var(--accent-soft), var(--bg)); }
.login-card { width: 360px; max-width: 92vw; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem;
  box-shadow: var(--shadow-lg); }
.login-brand { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.25rem; }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
  .appbar { gap: .6rem; padding: 0 .9rem; }
  .appbar-nav a span { display: none; }
  .appbar-nav a { padding: .5rem .6rem; }
  .user-chip span { display: none; }
  .content-inner { padding: 1.5rem 1.1rem 2.5rem; }
  .grid2 { grid-template-columns: 1fr; }
}