:root {
  color-scheme: dark;
  --bg: #070b14;
  --bg-deep: #05070d;
  --surface: rgba(14, 21, 36, 0.88);
  --surface-soft: rgba(255, 255, 255, 0.035);
  --border: rgba(148, 163, 184, 0.15);
  --border-strong: rgba(148, 163, 184, 0.26);
  --text: #edf2ff;
  --text-soft: #c2ccdf;
  --muted: #8795b0;
  --accent: #6ee7f9;
  --accent-strong: #22d3ee;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --violet: #9b87f5;
  --violet-soft: rgba(139, 92, 246, 0.14);
  --success-soft: rgba(52, 211, 153, 0.13);
  --warning-soft: rgba(251, 191, 36, 0.13);
  --danger: #fb8294;
  --danger-soft: rgba(251, 113, 133, 0.13);
  --success-text: #8cf3cf;
  --warning-text: #fde68a;
  --danger-text: #fda4af;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.18);
  --radius-xl: 1.35rem;
  --radius-lg: 1rem;
  --radius-md: 0.72rem;
  --sidebar-width: 17rem;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { min-width: 20rem; scroll-behavior: smooth; }
[hidden] { display: none !important; }

body {
  background:
    radial-gradient(circle at 85% -10%, rgba(76, 29, 149, 0.2), transparent 32rem),
    radial-gradient(circle at 42% 0%, rgba(8, 145, 178, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
  margin: 0;
  min-height: 100vh;
}

button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--accent); text-decoration-color: rgba(110, 231, 249, 0.4); text-underline-offset: 0.2em; }
a:hover { color: #baf5ff; text-decoration-color: currentcolor; }
:focus-visible { outline: 0.18rem solid var(--accent); outline-offset: 0.2rem; }
::selection { background: rgba(34, 211, 238, 0.28); color: var(--text); }

.skip-link {
  background: var(--text);
  border-radius: 0 0 var(--radius-md) 0;
  color: var(--bg);
  font-weight: 800;
  left: 0;
  padding: 0.75rem 1rem;
  position: fixed;
  top: 0;
  transform: translateY(-120%);
  transition: transform 160ms ease;
  z-index: 100;
}
.skip-link:focus { transform: translateY(0); }

.app-shell { display: grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  background: rgba(7, 11, 20, 0.82);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 1.4rem 1rem 1rem;
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { align-items: center; color: var(--text); display: flex; gap: 0.8rem; padding: 0.25rem 0.55rem 1.5rem; text-decoration: none; }
.brand:hover { color: var(--text); }
.brand-mark {
  align-items: end;
  background: linear-gradient(145deg, var(--accent-strong), var(--violet));
  border-radius: 0.7rem;
  box-shadow: 0 0 1.6rem rgba(34, 211, 238, 0.22);
  display: flex;
  gap: 0.16rem;
  height: 2.45rem;
  justify-content: center;
  padding: 0.58rem;
  width: 2.45rem;
}
.brand-mark span { background: #06111d; border-radius: 1rem; display: block; width: 0.22rem; }
.brand-mark span:nth-child(1) { height: 42%; }
.brand-mark span:nth-child(2) { height: 100%; }
.brand-mark span:nth-child(3) { height: 68%; }
.brand-copy { display: grid; line-height: 1.2; }
.brand-copy strong { font-size: 1rem; letter-spacing: -0.015em; }
.brand-copy small, .operator-chip small { color: var(--muted); font-size: 0.7rem; margin-top: 0.2rem; }

.primary-nav { display: grid; gap: 0.35rem; }
.nav-link {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 0.72rem;
  color: var(--muted);
  display: flex;
  font-size: 0.88rem;
  font-weight: 650;
  gap: 0.75rem;
  padding: 0.7rem 0.8rem;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}
.nav-link svg, .icon-button svg { fill: currentcolor; flex: 0 0 auto; height: 1.15rem; width: 1.15rem; }
.nav-link:hover { background: var(--surface-soft); border-color: var(--border); color: var(--text-soft); transform: translateX(0.12rem); }
.nav-link[aria-current="page"] {
  background: linear-gradient(90deg, var(--accent-soft), rgba(34, 211, 238, 0.03));
  border-color: rgba(34, 211, 238, 0.22);
  box-shadow: inset 0.18rem 0 0 var(--accent-strong);
  color: var(--accent);
}

.sidebar-footer { align-items: center; border-top: 1px solid var(--border); display: flex; gap: 0.65rem; justify-content: space-between; margin-top: auto; padding: 1rem 0.4rem 0; }
.operator-chip { align-items: center; display: flex; gap: 0.65rem; min-width: 0; }
.operator-chip > span:last-child { display: grid; min-width: 0; }
.operator-chip strong { font-size: 0.8rem; overflow: hidden; text-overflow: ellipsis; }
.operator-avatar { align-items: center; background: var(--violet-soft); border: 1px solid rgba(155, 135, 245, 0.25); border-radius: 50%; color: #c4b5fd; display: flex; font-size: 0.74rem; font-weight: 800; height: 2rem; justify-content: center; width: 2rem; }
.sidebar-footer form, .table-actions form { margin: 0; }
.icon-button { align-items: center; background: transparent; border: 1px solid var(--border); border-radius: 0.6rem; color: var(--muted); cursor: pointer; display: flex; height: 2.1rem; justify-content: center; padding: 0; transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease; width: 2.1rem; }
.icon-button:hover { background: var(--danger-soft); border-color: rgba(251, 113, 133, 0.3); color: var(--danger); }

.workspace { min-width: 0; }
main { margin: 0 auto; max-width: 96rem; min-height: calc(100vh - 4rem); padding: clamp(1.5rem, 3.5vw, 3.25rem); }
.app-footer { color: var(--muted); display: flex; font-size: 0.72rem; justify-content: space-between; margin: 0 auto; max-width: 96rem; padding: 0 clamp(1.5rem, 3.5vw, 3.25rem) 1.5rem; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -0.03em; }
h1 { font-size: clamp(1.8rem, 3.5vw, 2.65rem); line-height: 1.05; margin-bottom: 0.65rem; }
h2 { font-size: 1.15rem; }
h3 { color: var(--text-soft); font-size: 0.82rem; letter-spacing: 0.04em; margin: 1.75rem 0 0.75rem; text-transform: uppercase; }
.eyebrow { color: var(--accent); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em; margin-bottom: 0.55rem; text-transform: uppercase; }
.page-subtitle, .dashboard-header p, .system-meta, .empty-state, .form-help { color: var(--muted); }
.page-header, .dashboard-header { align-items: flex-end; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; margin-bottom: 1.65rem; }
.page-header > div, .dashboard-header > div { max-width: 52rem; }
.page-header p, .dashboard-header p { margin-bottom: 0; }

.connection-warning, [role="alert"], .status-error { align-items: flex-start; background: var(--danger-soft); border: 1px solid rgba(251, 113, 133, 0.28); border-radius: var(--radius-md); color: var(--danger-text); display: flex; font-size: 0.82rem; gap: 0.55rem; padding: 0.7rem 0.85rem; }
.connection-warning::before, [role="alert"]::before, .status-error::before { align-items: center; background: var(--danger); border-radius: 50%; color: #380711; content: "!"; display: inline-flex; flex: 0 0 auto; font-size: 0.65rem; font-weight: 900; height: 1.1rem; justify-content: center; margin-top: 0.05rem; width: 1.1rem; }

.operations-grid, .content-grid { display: grid; gap: 1.35rem; }
.operations-card, .content-card, .form-card, .error-card { background: linear-gradient(145deg, var(--surface), rgba(12, 18, 31, 0.92)); border: 1px solid var(--border); border-radius: var(--radius-xl); box-shadow: var(--shadow-soft); min-width: 0; }
.operations-card { padding: clamp(1.1rem, 2.5vw, 1.65rem); }
.content-card, .form-card, .error-card { padding: clamp(1.15rem, 2.6vw, 1.75rem); }

.system-header { align-items: center; display: flex; gap: 0.85rem; margin-bottom: 1.1rem; }
.system-icon { align-items: center; background: var(--accent-soft); border: 1px solid rgba(34, 211, 238, 0.22); border-radius: 0.78rem; color: var(--accent); display: flex; flex: 0 0 auto; font-size: 0.8rem; font-weight: 900; height: 2.6rem; justify-content: center; letter-spacing: -0.04em; width: 2.6rem; }
.system-icon--violet { background: var(--violet-soft); border-color: rgba(155, 135, 245, 0.25); color: #c4b5fd; }
.system-heading { min-width: 0; }
.system-heading h2 { margin: 0 0 0.18rem; }
.system-heading p { color: var(--muted); font-size: 0.75rem; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-badge { align-items: center; background: var(--success-soft); border: 1px solid rgba(52, 211, 153, 0.25); border-radius: 999px; color: var(--success-text); display: inline-flex; font-size: 0.7rem; font-weight: 800; gap: 0.42rem; margin-left: auto; padding: 0.36rem 0.62rem; white-space: nowrap; }
.status-badge::before { background: currentcolor; border-radius: 50%; box-shadow: 0 0 0.55rem currentcolor; content: ""; height: 0.38rem; width: 0.38rem; }
.status-badge--error { background: var(--danger-soft); border-color: rgba(251, 113, 133, 0.25); color: var(--danger-text); }
.system-meta { display: flex; flex-wrap: wrap; font-size: 0.76rem; gap: 0.6rem 1.2rem; margin-bottom: 1rem; }
.system-meta p { margin: 0; }
.system-meta strong { color: var(--text-soft); font-weight: 650; }

.summary-grid { display: grid; gap: 0.65rem; grid-template-columns: repeat(auto-fit, minmax(8.7rem, 1fr)); margin: 0; }
.summary-grid div { background: var(--surface-soft); border: 1px solid var(--border); border-radius: var(--radius-md); min-height: 5.3rem; padding: 0.75rem 0.8rem; transition: border-color 160ms ease, transform 160ms ease; }
.summary-grid div:hover { border-color: var(--border-strong); transform: translateY(-0.1rem); }
.summary-grid dt { color: var(--muted); font-size: 0.68rem; font-weight: 700; line-height: 1.2; }
.summary-grid dd { color: var(--text); font-size: 1.38rem; font-variant-numeric: tabular-nums; font-weight: 750; letter-spacing: -0.04em; margin: 0.5rem 0 0; }

.table-scroll { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: auto; }
table { border-collapse: separate; border-spacing: 0; font-size: 0.76rem; width: 100%; }
th, td { border-bottom: 1px solid var(--border); padding: 0.72rem 0.78rem; text-align: left; vertical-align: middle; }
th { background: rgba(11, 17, 29, 0.96); color: var(--muted); font-size: 0.65rem; font-weight: 800; letter-spacing: 0.055em; position: sticky; text-transform: uppercase; top: 0; white-space: nowrap; z-index: 2; }
tbody tr { transition: background-color 120ms ease; }
tbody tr:hover { background: rgba(255, 255, 255, 0.025); }
tbody tr:last-child td { border-bottom: 0; }
td { color: var(--text-soft); max-width: 22rem; }
td code, .mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.72rem; }
.table-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 0.45rem; }

.state-pill { background: var(--surface-soft); border: 1px solid var(--border); border-radius: 999px; color: var(--text-soft); display: inline-flex; font-size: 0.65rem; font-weight: 800; padding: 0.25rem 0.48rem; text-transform: capitalize; white-space: nowrap; }
.state-pill[data-state="sent"], .state-pill[data-state="uploaded"], .state-pill[data-state="healthy"], .state-pill[data-state="Enabled"] { background: var(--success-soft); border-color: rgba(52, 211, 153, 0.24); color: var(--success-text); }
.state-pill[data-state="recording"], .state-pill[data-state="uploading"], .state-pill[data-state="live"] { background: var(--accent-soft); border-color: rgba(34, 211, 238, 0.24); color: var(--accent); }
.state-pill[data-state="failed"], .state-pill[data-state="dead"], .state-pill[data-state="error"] { background: var(--danger-soft); border-color: rgba(251, 113, 133, 0.24); color: var(--danger-text); }
.state-pill[data-state="retry"], .state-pill[data-state="stale"] { background: var(--warning-soft); border-color: rgba(251, 191, 36, 0.24); color: var(--warning-text); }

.button, button[type="submit"] { align-items: center; background: linear-gradient(135deg, #22d3ee, #7c6cf2); border: 0; border-radius: 0.67rem; box-shadow: 0 0.6rem 1.4rem rgba(34, 211, 238, 0.12); color: #07101d; cursor: pointer; display: inline-flex; font-size: 0.78rem; font-weight: 850; gap: 0.4rem; justify-content: center; min-height: 2.45rem; padding: 0.58rem 0.9rem; text-decoration: none; transition: box-shadow 160ms ease, filter 160ms ease, transform 160ms ease; }
.button:hover, button[type="submit"]:hover { color: #07101d; filter: brightness(1.08); transform: translateY(-0.08rem); }
.button--secondary, button.button--secondary { background: var(--surface-soft); border: 1px solid var(--border-strong); box-shadow: none; color: var(--text-soft); }
.button--secondary:hover, button.button--secondary:hover { background: rgba(255, 255, 255, 0.07); color: var(--text); }
.button--danger, button.button--danger { background: var(--danger-soft); border: 1px solid rgba(251, 113, 133, 0.25); box-shadow: none; color: var(--danger-text); }
.button--small, button.button--small { border-radius: 0.55rem; font-size: 0.7rem; min-height: 2rem; padding: 0.36rem 0.62rem; }
.button--wide { width: 100%; }
button.icon-button { background: transparent; border: 1px solid var(--border); box-shadow: none; color: var(--muted); min-height: 2.1rem; padding: 0; }
button.icon-button:hover { background: var(--danger-soft); border-color: rgba(251, 113, 133, 0.3); color: var(--danger); filter: none; transform: none; }
.content-card .system-header > .button { margin-left: auto; }

.filter-bar { align-items: end; background: var(--surface-soft); border: 1px solid var(--border); border-radius: var(--radius-lg); display: grid; gap: 0.75rem; grid-template-columns: repeat(3, minmax(8rem, 1fr)) auto; margin-bottom: 1rem; padding: 0.85rem; }
.field, .filter-bar label { color: var(--text-soft); display: grid; font-size: 0.7rem; font-weight: 750; gap: 0.38rem; }
input, select { appearance: none; background: rgba(5, 9, 17, 0.72); border: 1px solid var(--border-strong); border-radius: 0.62rem; color: var(--text); min-height: 2.55rem; padding: 0.58rem 0.72rem; transition: background-color 150ms ease, border-color 150ms ease, box-shadow 150ms ease; width: 100%; }
select { background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 1rem) 50%, calc(100% - 0.72rem) 50%; background-repeat: no-repeat; background-size: 0.3rem 0.3rem, 0.3rem 0.3rem; padding-right: 2rem; }
input:focus, select:focus { background-color: rgba(5, 9, 17, 0.95); border-color: var(--accent-strong); box-shadow: 0 0 0 0.2rem var(--accent-soft); outline: 0; }
.form-card { max-width: 44rem; }
.stack-form { display: grid; gap: 1rem; }
.form-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 0.35rem; }
.field-error { color: var(--danger); font-size: 0.7rem; margin: -0.18rem 0 0; }
.field-error[role="alert"] { background: transparent; border: 0; border-radius: 0; color: var(--danger); padding: 0; }
.field-error[role="alert"]::before { display: none; }
.empty-state { align-items: center; border: 1px dashed var(--border-strong); border-radius: var(--radius-lg); display: flex; flex-direction: column; justify-content: center; margin: 0; min-height: 8rem; padding: 1.5rem; text-align: center; }
.pagination { display: flex; justify-content: flex-end; margin: 1rem 0 0; }

.auth-body { background: radial-gradient(circle at 20% 20%, rgba(34, 211, 238, 0.15), transparent 28rem), radial-gradient(circle at 85% 80%, rgba(124, 108, 242, 0.18), transparent 32rem), var(--bg-deep); }
.auth-main { align-items: center; display: flex; justify-content: center; min-height: 100vh; padding: 1.25rem; }
.login-card { background: linear-gradient(155deg, rgba(19, 29, 48, 0.96), rgba(10, 15, 27, 0.96)); border: 1px solid var(--border-strong); border-radius: 1.5rem; box-shadow: var(--shadow), 0 0 5rem rgba(34, 211, 238, 0.08); overflow: hidden; padding: clamp(1.4rem, 5vw, 2.25rem); position: relative; width: min(100%, 27rem); }
.login-card::before { background: linear-gradient(90deg, var(--accent-strong), var(--violet)); content: ""; height: 0.18rem; left: 0; position: absolute; right: 0; top: 0; }
.login-brand { align-items: center; display: flex; gap: 0.75rem; margin-bottom: 2rem; }
.login-brand .brand-mark { height: 2.2rem; width: 2.2rem; }
.login-brand strong { letter-spacing: -0.02em; }
.login-card h1 { font-size: 1.75rem; margin-bottom: 0.45rem; }
.login-intro { color: var(--muted); font-size: 0.84rem; margin-bottom: 1.5rem; }
.login-note { border-top: 1px solid var(--border); color: var(--muted); font-size: 0.68rem; margin: 1.4rem 0 0; padding-top: 1rem; text-align: center; }
.error-card { margin: 15vh auto 0; max-width: 38rem; }
.error-card[role="alert"] { display: block; }
.error-card[role="alert"]::before { display: none; }
.error-code { background: var(--surface-soft); border: 1px solid var(--border); border-radius: 0.45rem; color: var(--text-soft); display: inline-block; padding: 0.2rem 0.4rem; }

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f2f5fa;
    --bg-deep: #eaf0f8;
    --surface: rgba(255, 255, 255, 0.92);
    --surface-soft: rgba(15, 23, 42, 0.035);
    --border: rgba(51, 65, 85, 0.13);
    --border-strong: rgba(51, 65, 85, 0.22);
    --text: #101827;
    --text-soft: #334155;
    --muted: #64748b;
    --accent: #087d92;
    --accent-strong: #0891b2;
    --accent-soft: rgba(8, 145, 178, 0.1);
    --violet: #7164d9;
    --violet-soft: rgba(113, 100, 217, 0.1);
    --success-soft: rgba(5, 150, 105, 0.1);
    --warning-soft: rgba(217, 119, 6, 0.1);
    --danger: #d73752;
    --danger-soft: rgba(225, 29, 72, 0.09);
    --success-text: #08765a;
    --warning-text: #8a4b05;
    --danger-text: #b4233d;
    --shadow: 0 24px 60px rgba(51, 65, 85, 0.16);
    --shadow-soft: 0 10px 30px rgba(51, 65, 85, 0.1);
  }
  body { background: radial-gradient(circle at 85% -10%, rgba(113, 100, 217, 0.12), transparent 32rem), radial-gradient(circle at 42% 0%, rgba(8, 145, 178, 0.08), transparent 28rem), var(--bg); }
  .sidebar { background: rgba(250, 252, 255, 0.88); }
  .operations-card, .content-card, .form-card, .error-card, .login-card { background: var(--surface); }
  th { background: rgba(244, 247, 251, 0.96); }
  input, select, input:focus, select:focus { background-color: rgba(255, 255, 255, 0.86); }
  .button, button[type="submit"], .button:hover, button[type="submit"]:hover { color: #06212a; }
}

@media (max-width: 72rem) {
  :root { --sidebar-width: 14.5rem; }
  .brand-copy small, .operator-chip small { display: none; }
}

@media (max-width: 52rem) {
  .app-shell { display: block; }
  .sidebar { align-items: center; border-bottom: 1px solid var(--border); border-right: 0; display: grid; gap: 0.75rem; grid-template-columns: auto minmax(0, 1fr) auto; height: auto; padding: 0.65rem 0.8rem; position: sticky; }
  .brand { padding: 0; }
  .brand-copy { display: none; }
  .brand-mark { border-radius: 0.58rem; height: 2.1rem; width: 2.1rem; }
  .primary-nav { display: flex; gap: 0.25rem; justify-content: center; min-width: 0; overflow-x: auto; }
  .nav-link { padding: 0.55rem 0.65rem; }
  .nav-link span { display: none; }
  .nav-link:hover { transform: none; }
  .nav-link[aria-current="page"] { box-shadow: inset 0 -0.15rem 0 var(--accent-strong); }
  .sidebar-footer { border: 0; margin: 0; padding: 0; }
  .operator-chip { display: none; }
  main { min-height: calc(100vh - 7rem); padding: 1.3rem 1rem 2rem; }
  .app-footer { padding: 0 1rem 1rem; }
  .filter-bar { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 38rem) {
  .page-header, .dashboard-header { align-items: stretch; display: grid; }
  .page-header .button { width: 100%; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .filter-bar { grid-template-columns: 1fr; }
  .filter-bar button { width: 100%; }
  .system-header { align-items: flex-start; flex-wrap: wrap; }
  .content-card .system-header > .button { margin-left: 0; width: 100%; }
  .status-badge { margin-left: 0; }
  .app-footer span:last-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}