:root {
  --bg: #eef2f8;
  --bg-elev: #ffffff;
  --bg-input: #ffffff;
  --bg-soft: #e8eef7;
  --bg-deep: #dde5f0;
  --fg: #0c1422;
  --fg-mute: #5a6477;
  --fg-faint: #8893a8;
  --border: #d8dfeb;
  --border-strong: #aeb9cc;
  --accent: #0f9d58;
  --accent-2: #0aa37a;
  --accent-3: #0a8aa3;
  --accent-fg: #ffffff;
  --accent-soft: #def0e6;
  --accent-soft-2: #d1ebe1;
  --indigo: #4f46e5;
  --pink: #e11d74;
  --amber: #f59e0b;
  --danger: #d63b3b;
  --warn: #c9851a;
  --ok: #15803d;

  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.05),
            0 10px 28px -12px rgba(15, 23, 42, 0.16);
  --shadow-md: 0 2px 4px rgba(15, 23, 42, 0.06),
               0 16px 40px -16px rgba(15, 23, 42, 0.22);
  --shadow-lg: 0 4px 10px rgba(15, 23, 42, 0.08),
               0 30px 64px -20px rgba(15, 23, 42, 0.28);
  --shadow-glow: 0 8px 28px -10px color-mix(in srgb, var(--accent) 55%, transparent);
  /* Inset so a focused field keeps the exact same outer size as its neighbors —
     an outset ring made adjacent fields (e.g. the invite form) look misaligned. */
  --ring: inset 0 0 0 2px color-mix(in srgb, var(--accent) 45%, transparent);

  --gradient-accent: linear-gradient(135deg, #0f9d58 0%, #0aa37a 50%, #0a8aa3 100%);
  --gradient-accent-soft: linear-gradient(135deg,
    color-mix(in srgb, #0f9d58 14%, transparent) 0%,
    color-mix(in srgb, #0a8aa3 12%, transparent) 100%);
  --gradient-bg:
    radial-gradient(1100px 580px at -10% -20%, #d6f2e1 0%, transparent 55%),
    radial-gradient(900px 520px at 110% -10%, #d8eaff 0%, transparent 55%),
    radial-gradient(800px 600px at 60% 120%, #eee5fb 0%, transparent 55%),
    linear-gradient(180deg, #eef2f8 0%, #e8eef7 100%);
  --gradient-card-edge: linear-gradient(180deg,
    rgba(255,255,255,0.85) 0%,
    rgba(255,255,255,0.4) 100%);

  --font-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

[data-theme='dark'] {
  --bg: #0a0e16;
  --bg-elev: #141a26;
  --bg-input: #0d131e;
  --bg-soft: #131a26;
  --bg-deep: #080c14;
  --fg: #e8edf6;
  --fg-mute: #8b95a8;
  --fg-faint: #6b7588;
  --border: #232b3a;
  --border-strong: #3a4356;
  --accent: #2ec27e;
  --accent-2: #2dd4bf;
  --accent-3: #38bdf8;
  --accent-fg: #04140d;
  --accent-soft: rgba(46, 194, 126, 0.14);
  --accent-soft-2: rgba(45, 212, 191, 0.12);
  --indigo: #818cf8;
  --pink: #f472b6;
  --amber: #fbbf24;
  --danger: #ef5454;
  --warn: #f3b04a;
  --ok: #34d399;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 14px 32px -12px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.45), 0 20px 44px -16px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 6px 14px rgba(0, 0, 0, 0.5), 0 32px 70px -22px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 12px 36px -10px color-mix(in srgb, var(--accent) 55%, transparent);
  --ring: inset 0 0 0 2px color-mix(in srgb, var(--accent) 55%, transparent);
  --gradient-accent: linear-gradient(135deg, #2ec27e 0%, #2dd4bf 55%, #38bdf8 100%);
  --gradient-accent-soft: linear-gradient(135deg,
    color-mix(in srgb, #2ec27e 18%, transparent) 0%,
    color-mix(in srgb, #38bdf8 14%, transparent) 100%);
  --gradient-bg:
    radial-gradient(1200px 600px at -10% -20%, rgba(46, 194, 126, 0.12) 0%, transparent 55%),
    radial-gradient(900px 540px at 110% -10%, rgba(56, 189, 248, 0.10) 0%, transparent 55%),
    radial-gradient(800px 600px at 60% 120%, rgba(129, 140, 248, 0.10) 0%, transparent 55%),
    linear-gradient(180deg, #0a0e16 0%, #060a12 100%);
  --gradient-card-edge: linear-gradient(180deg,
    rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.0) 100%);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  background: var(--gradient-bg);
  background-attachment: fixed;
  min-height: 100vh;
  position: relative;
}
/* Subtle dot grid overlay for texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px,
    color-mix(in srgb, var(--fg) 5%, transparent) 1px, transparent 0);
  background-size: 22px 22px;
  opacity: 0.4;
  z-index: 0;
}
/* Top accent bar across entire window */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 100;
  pointer-events: none;
}
.appbar, .container { position: relative; z-index: 1; }

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
a:hover { text-decoration: underline; text-underline-offset: 2px; }

h1, h2, h3 {
  margin: 0 0 0.5em;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--fg);
}
h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  background: linear-gradient(180deg, var(--fg) 0%, color-mix(in srgb, var(--fg) 75%, var(--fg-mute)) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h2 { font-size: 1.35rem; font-weight: 650; }
h3 { font-size: 1.06rem; font-weight: 600; }

label {
  display: block;
  font-size: 0.78rem;
  color: var(--fg-mute);
  margin-bottom: 0.4em;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

input:not([type]),
input[type='text'],
input[type='email'],
input[type='password'],
input[type='number'],
input[type='url'],
input[type='search'],
input[type='tel'],
textarea,
select {
  width: 100%;
  padding: 0.65em 0.85em;
  background: var(--bg-input);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
/* Render text fields as plain boxes. Left native (appearance:auto), WebKit/Safari
   sizes the control itself on focus, which nudged its height/baseline and — with
   the invite form's flex-end row — made the focused box grow and ride up out of
   line with its neighbor. Scoped to exclude <select> so it keeps its arrow. */
input:not([type]),
input[type='text'],
input[type='email'],
input[type='password'],
input[type='number'],
input[type='url'],
input[type='search'],
input[type='tel'],
textarea {
  appearance: none;
  -webkit-appearance: none;
}
input:hover, textarea:hover, select:hover { border-color: var(--border-strong); }
input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: var(--ring);
  background: var(--bg-elev);
}

button,
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.55em 1em;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--fg);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.06s ease, box-shadow 0.18s, background 0.15s,
              border-color 0.15s, filter 0.15s;
  box-shadow: var(--shadow-sm);
}
button:hover,
.btn:hover {
  background: var(--bg-elev);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border-strong));
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}
button:active, .btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-primary {
  background: var(--gradient-accent);
  color: var(--accent-fg);
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(15, 157, 88, 0.3),
              0 8px 20px -6px rgba(15, 157, 88, 0.55);
}
.btn-primary:hover {
  filter: brightness(1.07) saturate(1.05);
  background: var(--gradient-accent);
  border-color: transparent;
  box-shadow: 0 2px 4px rgba(15, 157, 88, 0.35),
              0 14px 28px -6px rgba(15, 157, 88, 0.6);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, #d63b3b, #b22929);
  color: #fff;
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(214, 59, 59, 0.3),
              0 8px 20px -6px rgba(214, 59, 59, 0.55);
}
.btn-ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: var(--fg-mute);
}
.btn-ghost:hover {
  background: var(--bg-soft);
  border-color: var(--border);
  color: var(--fg);
  box-shadow: none;
  transform: none;
}

.muted { color: var(--fg-mute); }
.error { color: var(--danger); }
.ok { color: var(--ok); }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5em;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient-card-edge);
  pointer-events: none;
}
.card.feature {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 4%, var(--bg-elev)) 0%, var(--bg-elev) 80%),
    var(--bg-elev);
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
}
.card.feature::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--gradient-accent);
}

.row { display: flex; gap: 0.7em; align-items: center; }
.col { display: flex; flex-direction: column; gap: 0.7em; }
.spacer { flex: 1; }

.center-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  padding: 2em;
  background: var(--bg-elev);
}
.auth-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-accent);
}
.auth-card h1 { text-align: center; margin-top: 0.2em; }
.auth-card .field { margin-bottom: 1em; }
.auth-card button[type='submit'] { width: 100%; padding: 0.85em; font-weight: 600; font-size: 1em; }
.auth-card .footer-link { margin-top: 1.4em; text-align: center; font-size: 0.9em; }

.brand {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 1.05em;
}
.brand .dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--gradient-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent),
              0 0 16px color-mix(in srgb, var(--accent) 50%, transparent);
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center; justify-content: center;
  padding: 0;
  box-shadow: none;
  color: var(--fg-mute);
}
.theme-toggle:hover {
  background: var(--bg-soft);
  color: var(--fg);
  transform: none;
  box-shadow: none;
}

.appbar {
  display: flex;
  align-items: center;
  gap: 1.4em;
  padding: 0.85em 1.4em;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 78%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 1px 0 var(--border), 0 6px 20px -10px rgba(15, 23, 42, 0.08);
}
.appbar nav { display: flex; gap: 0.15em; }
.appbar nav a {
  padding: 0.5em 0.9em;
  border-radius: var(--radius);
  color: var(--fg-mute);
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  position: relative;
}
.appbar nav a:hover {
  background: var(--bg-soft);
  color: var(--fg);
  text-decoration: none;
}
.appbar nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.container {
  max-width: 1100px;
  margin: 2em auto;
  padding: 0 1.4em;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
table th,
table td {
  padding: 0.85em 1em;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
table tr:last-child td { border-bottom: 0; }
table th {
  font-weight: 600;
  font-size: 0.74em;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg-elev) 100%);
  border-bottom: 1px solid var(--border);
}
table tbody tr {
  transition: background 0.12s;
  position: relative;
}
table tbody tr:hover {
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--accent) 5%, transparent) 0%,
    var(--bg-soft) 30%,
    var(--bg-soft) 100%);
}
table tbody tr:hover td:first-child {
  box-shadow: inset 3px 0 0 var(--accent);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.22em 0.7em;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  font-size: 0.74em;
  font-weight: 600;
  color: var(--fg-mute);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.tag.ok      { color: var(--ok);     background: color-mix(in srgb, var(--ok) 14%, transparent);     border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.tag.warn    { color: var(--warn);   background: color-mix(in srgb, var(--warn) 16%, transparent);   border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.tag.danger  { color: var(--danger); background: color-mix(in srgb, var(--danger) 14%, transparent); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.tag.accent  { color: var(--accent); background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.tag.solid {
  background: var(--gradient-accent);
  color: var(--accent-fg);
  border-color: transparent;
  box-shadow: 0 4px 10px -3px color-mix(in srgb, var(--accent) 50%, transparent);
}

.flash {
  padding: 0.85em 1.05em;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  margin-bottom: 1em;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 0.6em;
  font-weight: 500;
}
.flash.error {
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
  background: color-mix(in srgb, var(--danger) 8%, var(--bg-elev));
  color: var(--danger);
}
.flash.ok {
  border-color: color-mix(in srgb, var(--ok) 45%, transparent);
  background: color-mix(in srgb, var(--ok) 8%, var(--bg-elev));
  color: var(--ok);
}

/* Hero / page header */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1em;
  margin-bottom: 1.5em;
  padding: 1.6em 1.8em;
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--accent) 8%, var(--bg-elev)) 0%,
      var(--bg-elev) 60%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(600px 200px at 100% 0%,
    color-mix(in srgb, var(--accent-3) 18%, transparent) 0%, transparent 60%);
  pointer-events: none;
}
.page-header > * { position: relative; }
.page-header h1 { margin: 0 0 0.25em; }
.page-header .sub { color: var(--fg-mute); font-size: 0.95em; }

/* Stat tile */
.stat {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1em 1.3em;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.stat .num {
  font-size: 1.8em;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat .lbl {
  font-size: 0.72em;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
  margin-top: 0.2em;
}

/* Code/inline */
code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.12em 0.4em;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.88em;
}

/* Details/summary */
details > summary {
  cursor: pointer;
  padding: 0.5em 0.8em;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4em;
}
details > summary::before {
  content: '▸';
  display: inline-block;
  transition: transform 0.15s;
  color: var(--accent);
  font-size: 0.85em;
}
details[open] > summary::before { transform: rotate(90deg); }
details > summary::-webkit-details-marker { display: none; }

/* ---- Accessibility ---- */
/* Visible keyboard focus for interactive elements. :focus-visible keeps the ring
   off mouse clicks; inputs already show a ring on :focus above. */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.appbar nav a:focus-visible,
.theme-toggle:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
/* In forced-colors / Windows High-Contrast mode, background-clip:text drops the
   fill and gradient text can render invisible — restore a solid system color. */
@media (forced-colors: active) {
  h1, .stat .num { color: CanvasText; -webkit-text-fill-color: CanvasText; }
}
/* Honor reduced-motion: quiet transforms, transitions, and looping animations
   (the pulsing dots and skeleton sweep read as "busy" otherwise). */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  button:hover, .btn:hover, .btn-primary:hover { transform: none; }
}

/* ---- Loading skeletons ---- */
/* Placeholder shapes for loading states — swap "Loading…" text for a few of
   these to make pages feel finished while data arrives. */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--bg-soft);
  border-radius: var(--radius);
  color: transparent !important;
}
.skeleton::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%,
    color-mix(in srgb, var(--fg) 8%, transparent) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: skeleton-sweep 1.3s infinite;
}
.skeleton-line { height: 0.8em; margin: 0.5em 0; }
.skeleton-card { height: 92px; margin-bottom: 1em; }
@keyframes skeleton-sweep { to { transform: translateX(100%); } }