/* HireDirect "Wellfound" design system — Candidate Sourcer Admin
 * Flat, minimal, operator-grade. No drop shadows on cards. Inter font.
 * All color values sourced from the canonical design token set.
 */

/* -------------------------------------------------------------------------
   Design tokens
   ---------------------------------------------------------------------- */
:root {
  --hd-text:        #111111;
  --hd-text-sub:    #6B7280;
  --hd-bg:          #F7F8FA;
  --hd-surface:     #FFFFFF;
  --hd-black:       #000000;
  --hd-interactive: #3B82F6;
  --hd-accent:      #E8443A;
  --hd-border:      #E5E7EB;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing rhythm */
  --radius-sm: 6px;
  --radius:    8px;

  /* Transitions */
  --transition: 120ms ease;
}

/* -------------------------------------------------------------------------
   Reset & base
   ---------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--hd-bg);
  color: var(--hd-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

/* -------------------------------------------------------------------------
   Top nav
   ---------------------------------------------------------------------- */
.nav {
  background: var(--hd-black);
  color: #fff;
  padding: 0.5rem 1.75rem;
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.nav__brand {
  font-weight: 700;
  font-size: 0.9375rem;
  color: #fff;
  letter-spacing: -0.02em;
  margin-right: 2.25rem;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  flex: 1;
  flex-wrap: wrap;
  row-gap: 0.25rem;
}

.nav__link {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}
.nav__link:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
  text-decoration: none;
}
.nav__link--active {
  color: #fff;
  background: rgba(255,255,255,0.12);
}

.nav__user {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}
.nav__user a {
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
}
.nav__user a:hover { color: #fff; }

/* -------------------------------------------------------------------------
   Page container
   ---------------------------------------------------------------------- */
.container {
  max-width: 1120px;
  margin: 2rem auto;
  padding: 0 1.75rem;
}

/* Page header (title + optional action) */
.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
}
.page-header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--hd-text);
}

/* -------------------------------------------------------------------------
   Cards / panels
   ---------------------------------------------------------------------- */
.card {
  background: var(--hd-surface);
  border: 1px solid var(--hd-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.card__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--hd-text);
  margin-bottom: 1.125rem;
  letter-spacing: -0.01em;
}

/* -------------------------------------------------------------------------
   Stat grid (dashboard funnel)
   ---------------------------------------------------------------------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.875rem;
}

.stat-box {
  background: var(--hd-bg);
  border: 1px solid var(--hd-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.125rem;
  text-align: center;
}
.stat-box .num {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--hd-text);
}
.stat-box .label {
  font-size: 0.72rem;
  color: var(--hd-text-sub);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* -------------------------------------------------------------------------
   Tables
   ---------------------------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8375rem;
}

thead th {
  text-align: left;
  padding: 0.5rem 0.875rem;
  border-bottom: 1px solid var(--hd-border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--hd-text-sub);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  background: transparent;
}

tbody td {
  padding: 0.625rem 0.875rem;
  border-bottom: 1px solid var(--hd-border);
  vertical-align: middle;
  color: var(--hd-text);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--hd-bg);
}

/* -------------------------------------------------------------------------
   Buttons
   ---------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), opacity var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
}
.btn:disabled, .btn[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary — black */
.btn-primary {
  background: var(--hd-black);
  color: #fff;
  border-color: var(--hd-black);
}
.btn-primary:hover { background: #222; border-color: #222; }

/* Secondary — outline */
.btn-secondary {
  background: var(--hd-surface);
  color: var(--hd-text);
  border-color: var(--hd-border);
}
.btn-secondary:hover { border-color: #9CA3AF; background: var(--hd-bg); }

/* Approve (green-ish) */
.btn-approve {
  background: #16a34a;
  color: #fff;
  border-color: #16a34a;
}
.btn-approve:hover { background: #15803d; border-color: #15803d; }

/* Reject / destructive — accent red */
.btn-reject, .btn-danger {
  background: var(--hd-accent);
  color: #fff;
  border-color: var(--hd-accent);
}
.btn-reject:hover, .btn-danger:hover { background: #c93530; border-color: #c93530; }

/* Start — black (same as primary; alias for clarity) */
.btn-start {
  background: var(--hd-black);
  color: #fff;
  border-color: var(--hd-black);
  font-size: 0.9375rem;
  padding: 0.5rem 1.5rem;
}
.btn-start:hover { background: #222; }

/* Stop — red */
.btn-stop {
  background: var(--hd-accent);
  color: #fff;
  border-color: var(--hd-accent);
  font-size: 0.9375rem;
  padding: 0.5rem 1.5rem;
}
.btn-stop:hover { background: #c93530; }

/* -------------------------------------------------------------------------
   Badges / pills
   ---------------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 0.175rem 0.55rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-new        { background: #DBEAFE; color: #1D4ED8; }
.badge-enriched   { background: #E0E7FF; color: #4338CA; }
.badge-qualified  { background: #D1FAE5; color: #065F46; }
.badge-personalized { background: #FEF3C7; color: #92400E; }
.badge-sent       { background: #E0F2FE; color: #075985; }
.badge-replied    { background: #D1FAE5; color: #065F46; }
.badge-signed_up  { background: #D1FAE5; color: #065F46; }
.badge-pending    { background: #FEF9C3; color: #854D0E; }
.badge-approved   { background: #D1FAE5; color: #065F46; }
.badge-rejected   { background: #FEE2E2; color: #991B1B; }
.badge-suppressed { background: #F3F4F6; color: #6B7280; }
.badge-dlq        { background: #FEE2E2; color: #991B1B; }
.badge-complete   { background: #D1FAE5; color: #065F46; }
.badge-failed     { background: #FEE2E2; color: #991B1B; }
.badge-running    { background: #FEF3C7; color: #92400E; }
.badge-timed_out  { background: #FDE8D8; color: #9A3412; }
.badge-cancelled  { background: #F3F4F6; color: #6B7280; }
.badge-auth_failed{ background: #FEE2E2; color: #991B1B; }

/* State badge — larger, used on the robot status card */
.state-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.875rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.state-badge--idle    { background: #F3F4F6; color: #374151; }
.state-badge--running { background: #D1FAE5; color: #065F46; }
.state-badge--running::before {
  content: '';
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #16a34a;
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

/* -------------------------------------------------------------------------
   Robot control card layout
   ---------------------------------------------------------------------- */
.robot-control-card {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.robot-meta {
  flex: 1;
  min-width: 220px;
}
.robot-meta__row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  color: var(--hd-text-sub);
}
.robot-meta__row strong {
  color: var(--hd-text);
  font-weight: 600;
}
.robot-meta__label {
  width: 90px;
  flex-shrink: 0;
}

.robot-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-shrink: 0;
  padding-top: 0.125rem;
}

/* Activity feed */
.feed {
  list-style: none;
  font-size: 0.8rem;
  font-family: 'SFMono-Regular', 'Consolas', 'Liberation Mono', monospace;
  max-height: 360px;
  overflow-y: auto;
}
.feed__item {
  display: grid;
  grid-template-columns: 160px 90px 80px 1fr;
  gap: 0.5rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--hd-border);
  line-height: 1.35;
  align-items: baseline;
}
.feed__item:last-child { border-bottom: none; }
.feed__ts    { color: var(--hd-text-sub); white-space: nowrap; }
.feed__stage { color: var(--hd-interactive); font-weight: 600; }
.feed__event { color: var(--hd-text-sub); }
.feed__detail { color: var(--hd-text); word-break: break-word; }

.feed-empty {
  color: var(--hd-text-sub);
  font-size: 0.85rem;
  padding: 1rem 0;
  text-align: center;
}

/* -------------------------------------------------------------------------
   Forms (login)
   ---------------------------------------------------------------------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--hd-bg);
  padding: 2rem 1rem;
}

.login-card {
  background: var(--hd-surface);
  border: 1px solid var(--hd-border);
  border-radius: var(--radius);
  padding: 2.25rem 2rem;
  width: 100%;
  max-width: 380px;
}

.login-brand {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
  color: var(--hd-text);
}

.login-brand span {
  color: var(--hd-text-sub);
  font-weight: 400;
}

.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--hd-text);
  margin-bottom: 0.375rem;
}
.form-group input[type="text"],
.form-group input[type="password"] {
  width: 100%;
  padding: 0.5625rem 0.75rem;
  border: 1px solid var(--hd-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  color: var(--hd-text);
  background: var(--hd-surface);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus {
  border-color: var(--hd-interactive);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

.btn-login {
  width: 100%;
  padding: 0.625rem;
  background: var(--hd-black);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background var(--transition);
}
.btn-login:hover { background: #222; }

/* -------------------------------------------------------------------------
   Alert / notice banners
   ---------------------------------------------------------------------- */
.alert {
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}
.alert-error {
  background: #FEE2E2;
  color: #991B1B;
  border-color: #FCA5A5;
}
.alert-info {
  background: #DBEAFE;
  color: #1D4ED8;
  border-color: #93C5FD;
}

/* -------------------------------------------------------------------------
   Empty state
   ---------------------------------------------------------------------- */
.empty {
  color: var(--hd-text-sub);
  font-size: 0.875rem;
  text-align: center;
  padding: 2.5rem 0;
}

/* -------------------------------------------------------------------------
   Action button group in tables
   ---------------------------------------------------------------------- */
.btn-group {
  display: inline-flex;
  gap: 0.375rem;
  align-items: center;
}

/* -------------------------------------------------------------------------
   Utilities
   ---------------------------------------------------------------------- */
.text-sub  { color: var(--hd-text-sub); }
.text-mono { font-family: 'SFMono-Regular', 'Consolas', monospace; font-size: 0.8em; }
.mt-1  { margin-top: 0.5rem; }
.mt-2  { margin-top: 1rem; }
.mb-1  { margin-bottom: 0.5rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}