/* Interview SMS Reminder — internal admin theme.
   Refined, utilitarian, fast. Dark by default, light via [data-theme="light"].
   No external fonts/CDNs (on-prem friendly). */

:root {
  --bg: #0e1116;
  --bg-elev: #161b22;
  --bg-elev-2: #1c232c;
  --border: #273039;
  --border-soft: #1f2730;
  --text: #e6edf3;
  --text-dim: #9aa7b4;
  --text-faint: #677785;
  --accent: #4cc38a;
  --accent-ink: #062a1a;
  --accent-soft: rgba(76,195,138,.12);
  --danger: #f0616d;
  --danger-soft: rgba(240,97,109,.12);
  --warn: #e3b34f;
  --warn-soft: rgba(227,179,79,.12);
  --info: #4aa3df;
  --info-soft: rgba(74,163,223,.12);
  --radius: 10px;
  --radius-sm: 7px;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.25);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

[data-theme="light"] {
  --bg: #f4f6f8;
  --bg-elev: #ffffff;
  --bg-elev-2: #f0f3f6;
  --border: #dce2e8;
  --border-soft: #e7ecf0;
  --text: #16202a;
  --text-dim: #56636f;
  --text-faint: #8a97a3;
  --accent: #1f9d63;
  --accent-ink: #ffffff;
  --accent-soft: rgba(31,157,99,.10);
  --shadow: 0 1px 2px rgba(16,32,42,.06), 0 8px 24px rgba(16,32,42,.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout shell ---- */
.shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  padding: 18px 14px;
  display: flex; flex-direction: column; gap: 4px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 8px 16px; }
.brand .dot { width: 26px; height: 26px; border-radius: 7px; background: linear-gradient(135deg, var(--accent), #2f9e74); }
.brand b { font-size: 15px; letter-spacing: -.2px; }
.brand span { display: block; font-size: 11px; color: var(--text-faint); font-weight: 400; }
.nav-group { font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-faint); padding: 14px 10px 6px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  color: var(--text-dim); font-weight: 500; font-size: 13.5px;
}
.nav a:hover { background: var(--bg-elev-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--accent-soft); color: var(--accent); }
.nav a .ic { width: 16px; text-align: center; opacity: .9; }

.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 26px; border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  position: sticky; top: 0; z-index: 5; backdrop-filter: blur(8px);
}
.topbar h1 { font-size: 17px; margin: 0; letter-spacing: -.3px; }
.topbar .right { display: flex; align-items: center; gap: 12px; }
.user-chip { font-size: 12.5px; color: var(--text-dim); }
.user-chip b { color: var(--text); }
.content { padding: 26px; max-width: 1280px; width: 100%; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-elev-2); color: var(--text);
  font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-danger { color: var(--danger); border-color: var(--danger-soft); background: var(--danger-soft); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ---- Cards / grid ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px,1fr)); gap: 14px; margin-bottom: 24px; }
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.stat .label { font-size: 12px; color: var(--text-dim); margin-bottom: 8px; }
.stat .value { font-size: 28px; font-weight: 700; letter-spacing: -.5px; }
.stat.alert .value { color: var(--danger); }
.stat.warn .value { color: var(--warn); }
.panel { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 22px; overflow: hidden; }
.panel-head { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.panel-head h2 { font-size: 14px; margin: 0; }
.panel-body { padding: 18px; }

/* ---- Tables ---- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th { text-align: left; padding: 10px 14px; color: var(--text-faint); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--border); }
tbody td { padding: 11px 14px; border-bottom: 1px solid var(--border-soft); }
tbody tr:hover { background: var(--bg-elev-2); }
.muted { color: var(--text-faint); }
.mono { font-family: var(--mono); font-size: 12px; }

/* ---- Badges ---- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 600; }
.badge.ok { background: var(--accent-soft); color: var(--accent); }
.badge.fail { background: var(--danger-soft); color: var(--danger); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.info { background: var(--info-soft); color: var(--info); }
.badge.neutral { background: var(--bg-elev-2); color: var(--text-dim); }

/* ---- Forms ---- */
.form-row { margin-bottom: 16px; }
label { display: block; font-size: 12.5px; color: var(--text-dim); margin-bottom: 6px; font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=tel],
input[type=datetime-local], input[type=time], input[type=number], select, textarea {
  width: 100%; padding: 9px 12px; border-radius: var(--radius-sm);
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  font-family: inherit; font-size: 14px;
}
textarea { resize: vertical; min-height: 90px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.checkbox { display: flex; align-items: center; gap: 8px; }
.checkbox input { width: auto; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.help { font-size: 12px; color: var(--text-faint); margin-top: 5px; }

/* ---- Flash ---- */
.flash { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 13.5px; font-weight: 500; }
.flash.success { background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent-soft); }
.flash.error { background: var(--danger-soft); color: var(--danger); border: 1px solid var(--danger-soft); }
.flash.info { background: var(--info-soft); color: var(--info); border: 1px solid var(--info-soft); }

/* ---- Toolbar / filters ---- */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar input[type=text] { width: 260px; }
.chips { display: flex; gap: 6px; }
.chip { padding: 5px 11px; border-radius: 20px; border: 1px solid var(--border); font-size: 12px; color: var(--text-dim); }
.chip.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

/* ---- Auth ---- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(1200px 600px at 50% -10%, var(--bg-elev), var(--bg)); }
.auth-card { width: 380px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px; padding: 32px; box-shadow: var(--shadow); }
.auth-card .brand { justify-content: center; padding-bottom: 22px; }

/* ---- Misc ---- */
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.kvs { display: grid; grid-template-columns: 150px 1fr; gap: 8px 16px; font-size: 13px; }
.kvs dt { color: var(--text-faint); }
.kvs dd { margin: 0; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 10px 0 10px 18px; border-left: 2px solid var(--border); position: relative; }
.timeline li::before { content: ''; position: absolute; left: -5px; top: 14px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.empty { text-align: center; padding: 40px; color: var(--text-faint); }
.var-pill { display: inline-block; font-family: var(--mono); font-size: 11.5px; background: var(--bg-elev-2); border: 1px solid var(--border); border-radius: 5px; padding: 2px 7px; margin: 2px; cursor: pointer; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; }
  .grid-2 { grid-template-columns: 1fr; }
}