/* Agent Reach Panel — self-contained stylesheet (no external fonts or assets). */

:root {
  --bg: #f5f6fa;
  --surface: #ffffff;
  --surface-2: #fafbfd;
  --border: #e3e6ee;
  --border-strong: #d2d7e3;
  --text: #1a1d29;
  --text-soft: #5b6376;
  --text-faint: #8b93a7;

  --sidebar-bg: #161a26;
  --sidebar-text: #a8b0c4;
  --sidebar-active: #ffffff;
  --sidebar-hover: #1f2433;

  --accent: #5b5bd6;
  --accent-soft: #eeeefc;
  --accent-text: #ffffff;

  --ok: #17845a;
  --ok-soft: #e6f5ee;
  --warn: #a06800;
  --warn-soft: #fdf3e0;
  --off: #6b7280;
  --off-soft: #f0f1f4;
  --error: #c02b3a;
  --error-soft: #fdecee;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(20, 24, 40, .06), 0 4px 16px rgba(20, 24, 40, .05);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1219;
    --surface: #171b25;
    --surface-2: #1c202b;
    --border: #262b38;
    --border-strong: #333a4a;
    --text: #e7eaf2;
    --text-soft: #a2aabd;
    --text-faint: #757e93;

    --sidebar-bg: #12151d;
    --sidebar-hover: #1d2230;

    --accent: #7c7cf0;
    --accent-soft: #23243a;

    --ok: #4ade9f;   --ok-soft: #14291f;
    --warn: #f0b45e; --warn-soft: #2b2415;
    --off: #8b93a7;  --off-soft: #20242f;
    --error: #f4808f;--error-soft: #2d181c;

    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .2);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── layout ── */

.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 258px;
  flex: 0 0 258px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.brand-mark {
  width: 36px; height: 36px;
  flex: 0 0 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6d6df0, #4f46c4);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .5px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { color: #fff; font-size: 14.5px; }
.brand-text small { color: #767f96; font-size: 11.5px; }

.nav { flex: 1; overflow-y: auto; padding: 14px 10px; }
.nav-group { margin-bottom: 16px; }
.nav-section {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: #5d667c;
  padding: 6px 10px;
  font-weight: 600;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 8.5px 10px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  font-size: 14px;
  margin-bottom: 2px;
  transition: background .13s ease, color .13s ease;
}
.nav-item:hover { background: var(--sidebar-hover); color: #dfe4f0; text-decoration: none; }
.nav-item.is-active { background: var(--accent); color: var(--sidebar-active); font-weight: 500; }
.nav-item .icon { flex: 0 0 auto; opacity: .9; }

.sidebar-foot { padding: 14px; border-top: 1px solid rgba(255, 255, 255, .07); }
.who { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.avatar {
  width: 32px; height: 32px; flex: 0 0 32px;
  border-radius: 50%;
  background: #2c3244;
  color: #cfd6e6;
  display: grid; place-items: center;
  font-weight: 600; font-size: 13px;
}
.who-text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.who-text strong { color: #e4e8f2; font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; }
.who-text small { color: #6b7488; font-size: 11px; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 28px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.topbar-title { flex: 1; min-width: 0; }
.topbar-title h1 { margin: 0; font-size: 21px; font-weight: 650; letter-spacing: -.2px; }
.topbar-title p { margin: 2px 0 0; color: var(--text-soft); font-size: 13.5px; }
.topbar-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.content { flex: 1; padding: 24px 28px 40px; }
.foot {
  padding: 16px 28px 24px;
  color: var(--text-faint);
  font-size: 12px;
  border-top: 1px solid var(--border);
}

.menu-toggle { display: none; }

/* ── flash ── */

.flash {
  margin: 16px 28px -4px;
  padding: 12px 15px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  border: 1px solid transparent;
  white-space: pre-wrap;
}
.flash-success { background: var(--ok-soft); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 25%, transparent); }
.flash-error { background: var(--error-soft); color: var(--error); border-color: color-mix(in srgb, var(--error) 25%, transparent); }

/* ── cards ── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  overflow: hidden;
}
.card-head {
  padding: 15px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.card-head h2 { margin: 0; font-size: 15.5px; font-weight: 620; }
.card-head p { margin: 3px 0 0; font-size: 13px; color: var(--text-soft); }
.card-body { padding: 20px; }
.card-body.tight { padding: 0; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

/* ── stat tiles ── */

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 17px 19px;
  box-shadow: var(--shadow);
}
.stat-label {
  font-size: 12px;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
}
.stat-value { font-size: 30px; font-weight: 660; line-height: 1.15; margin-top: 6px; letter-spacing: -.5px; }
.stat-note { font-size: 12.5px; color: var(--text-faint); margin-top: 2px; }
.stat.ok .stat-value { color: var(--ok); }
.stat.warn .stat-value { color: var(--warn); }
.stat.off .stat-value { color: var(--off); }
.stat.error .stat-value { color: var(--error); }

/* ── badges ── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2.5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.off { background: var(--off-soft); color: var(--off); }
.badge.error { background: var(--error-soft); color: var(--error); }
.badge.neutral { background: var(--off-soft); color: var(--text-soft); }
.badge.accent { background: var(--accent-soft); color: var(--accent); }

.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: 0 0 7px; }

/* ── buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8.5px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  font-weight: 550;
  cursor: pointer;
  transition: background .13s ease, border-color .13s ease, opacity .13s ease;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, #000); }
.btn-danger { background: var(--error); border-color: var(--error); color: #fff; }
.btn-danger:hover { background: color-mix(in srgb, var(--error) 88%, #000); }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, .13); color: #c3cadb; }
.btn-ghost:hover { background: rgba(255, 255, 255, .06); }
.btn-sm { padding: 5.5px 11px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.icon-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-soft);
  border-radius: var(--radius-sm);
  padding: 7px;
  cursor: pointer;
  display: inline-flex;
}
.icon-btn:hover { background: var(--surface-2); }

/* ── forms ── */

.field { margin-bottom: 17px; }
.field:last-child { margin-bottom: 0; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.field .hint { font-size: 12.5px; color: var(--text-soft); margin-top: 5px; }

input[type=text], input[type=password], input[type=url], input[type=file],
select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
textarea { min-height: 130px; font-family: var(--mono); font-size: 13px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.check { display: flex; align-items: flex-start; gap: 9px; font-size: 14px; margin-bottom: 9px; }
.check input { margin-top: 3px; flex: 0 0 auto; width: auto; }
.check span small { display: block; color: var(--text-soft); font-size: 12.5px; }

.choice-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.choice {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  background: var(--surface-2);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  cursor: pointer;
}
.choice:hover { border-color: var(--border-strong); }
.choice input { margin-top: 3px; width: auto; flex: 0 0 auto; }
.choice strong { font-size: 13.5px; font-weight: 600; display: block; }
.choice small { color: var(--text-soft); font-size: 12px; }

.form-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 4px;
}

/* ── tables ── */

.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th {
  text-align: left;
  padding: 11px 20px;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-soft);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-weight: 650;
  white-space: nowrap;
}
.table td { padding: 12px 20px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--surface-2); }
.table-wrap { overflow-x: auto; }

/* ── channel list ── */

.channel {
  display: flex;
  gap: 14px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.channel:last-child { border-bottom: none; }
.channel-main { flex: 1; min-width: 0; }
.channel-title { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.channel-title strong { font-size: 14.5px; font-weight: 620; }
.channel-title .orig { color: var(--text-faint); font-size: 12.5px; }
.channel-msg {
  margin: 7px 0 0;
  font-size: 13px;
  color: var(--text-soft);
  white-space: pre-wrap;
  word-break: break-word;
}
.channel-meta { margin-top: 8px; display: flex; gap: 7px; flex-wrap: wrap; }

/* ── code / output ── */

.output {
  background: #10131b;
  color: #d8dee9;
  border-radius: var(--radius-sm);
  padding: 15px 17px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  max-height: 560px;
  overflow-y: auto;
  margin: 0;
}
.output.empty { color: #6b7488; font-style: italic; }
code.inline {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--off-soft);
  padding: 1.5px 6px;
  border-radius: 5px;
  word-break: break-all;
}

.kv { display: grid; grid-template-columns: minmax(150px, auto) 1fr; gap: 9px 18px; font-size: 13.5px; }
.kv dt { color: var(--text-soft); font-weight: 550; }
.kv dd { margin: 0; word-break: break-all; font-family: var(--mono); font-size: 12.5px; }

.empty-state { padding: 34px 20px; text-align: center; color: var(--text-faint); font-size: 14px; }

.note {
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 12px 15px;
  font-size: 13.5px;
  margin-bottom: 17px;
}
.note strong { color: var(--accent); }
.note.warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 25%, transparent); }
.note.warn strong { color: var(--warn); }
.note.danger { background: var(--error-soft); border-color: color-mix(in srgb, var(--error) 25%, transparent); }
.note.danger strong { color: var(--error); }

.spinner {
  width: 15px; height: 15px;
  border: 2px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-top-color: var(--accent);
  border-radius: 50%;
  display: inline-block;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── auth screens ── */

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1100px 520px at 50% -10%, color-mix(in srgb, var(--accent) 13%, transparent), transparent),
    var(--bg);
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 32px 30px;
}
.auth-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 22px; }
.auth-card h1 { margin: 0 0 5px; font-size: 20px; font-weight: 650; }
.auth-card .sub { margin: 0 0 22px; color: var(--text-soft); font-size: 13.5px; }
.auth-error {
  background: var(--error-soft);
  color: var(--error);
  border: 1px solid color-mix(in srgb, var(--error) 25%, transparent);
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 17px;
}

/* ── responsive ── */

@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }
  .sidebar {
    position: fixed;
    z-index: 40;
    left: 0; top: 0;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 0 0 40px rgba(0, 0, 0, .35);
  }
  .sidebar.is-open { transform: translateX(0); }
  .topbar, .content, .foot { padding-left: 18px; padding-right: 18px; }
  .flash { margin-left: 18px; margin-right: 18px; }
  .kv { grid-template-columns: 1fr; gap: 3px 0; }
  .kv dd { margin-bottom: 9px; }
}