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

:root {
  --bg:          #f8f8f7;
  --surface:     #ffffff;
  --sidebar-bg:  #111110;
  --sidebar-fg:  #a8a29e;
  --sidebar-fg-active: #ffffff;
  --border:      #e7e5e4;
  --text-primary: #1c1917;
  --text-secondary: #78716c;
  --accent:      #2563eb;
  --accent-light: #eff6ff;
  --radius:      8px;
  --font:        'Inter', system-ui, sans-serif;

  /* Source badge colours */
  --mr-web:             #7c3aed;
  --research-live:      #0891b2;
  --emporia-research:   #059669;
  --insights-association: #d97706;
  --greenbook:          #dc2626;
}

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ── Login page ─────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.login-card {
  width: 100%;
  max-width: 360px;
  padding: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}

.login-logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 6px;
}

.logo-mark {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.5px;
  color: var(--text-primary);
  background: var(--text-primary);
  color: #fff;
  padding: 2px 7px;
  border-radius: 5px;
}

.logo-label {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.login-tagline {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.alert {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  font-size: 13px;
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.login-form { display: flex; flex-direction: column; gap: 16px; }

.field { display: flex; flex-direction: column; gap: 6px; }

.field label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.field input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--surface);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.btn-primary {
  margin-top: 4px;
  padding: 11px;
  background: var(--text-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s;
}

.btn-primary:hover { opacity: .85; }

/* ── App layout ─────────────────────────────────────────────────── */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ────────────────────────────────────────────────────── */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  overflow-y: auto;
}

.sidebar-header { margin-bottom: 24px; padding: 0 4px; }

.sidebar-logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
}

.sidebar .logo-mark {
  font-size: 16px;
  padding: 2px 6px;
  background: #fff;
  color: var(--sidebar-bg);
  border-radius: 4px;
}

.sidebar .logo-label {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

/* Search */
.search-form { margin-bottom: 28px; }

.search-input {
  width: 100%;
  padding: 8px 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  color: #fff;
  outline: none;
  transition: border-color .15s, background .15s;
}

.search-input::placeholder { color: rgba(255,255,255,.35); }

.search-input:focus {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.25);
}

/* Source nav */
.nav-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255,255,255,.3);
  padding: 0 8px;
  margin-bottom: 6px;
}

.source-nav { display: flex; flex-direction: column; gap: 2px; }

.competitor-nav { margin-top: 8px; }

/* Top-level section links (Industry News / Competitor News) */
.nav-section-link {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 4px;
  transition: color .12s;
}

.nav-section-link:hover { color: rgba(255,255,255,.7); }

.nav-section-active {
  color: rgba(255,255,255,.9) !important;
}

.source-link {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13.5px;
  color: var(--sidebar-fg);
  transition: background .12s, color .12s;
}

.source-link:hover {
  background: rgba(255,255,255,.07);
  color: var(--sidebar-fg-active);
}

.source-link.active {
  background: rgba(255,255,255,.12);
  color: var(--sidebar-fg-active);
  font-weight: 500;
}

/* Sidebar footer */
.sidebar-footer {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.last-updated {
  font-size: 11px;
  color: rgba(255,255,255,.25);
  padding: 0 4px;
}

.sign-out-link {
  font-size: 13px;
  color: rgba(255,255,255,.35);
  padding: 6px 8px;
  border-radius: 6px;
  transition: color .12s;
}

.sign-out-link:hover { color: rgba(255,255,255,.7); }

/* ── Main content ───────────────────────────────────────────────── */
.main {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.main-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 18px 32px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.main-header h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.3px;
}

.article-count {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ── Article list ───────────────────────────────────────────────── */
.article-list {
  display: flex;
  flex-direction: column;
  padding: 24px 32px;
  gap: 0;
}

.article-card {
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.article-card:last-child { border-bottom: none; }

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.source-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  color: #fff;
}

/* Per-source badge colours */
.source-mr-web              { background: var(--mr-web); }
.source-research-live       { background: var(--research-live); }
.source-emporia-research    { background: var(--emporia-research); }
.source-insights-association{ background: var(--insights-association); }
.source-greenbook           { background: var(--greenbook); }

.article-date {
  font-size: 12px;
  color: var(--text-secondary);
}

.article-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -.1px;
}

.article-title a {
  color: var(--text-primary);
  transition: color .12s;
}

.article-title a:hover { color: var(--accent); }

.article-summary {
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Empty state ────────────────────────────────────────────────── */
.empty-state {
  padding: 80px 32px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.empty-state a {
  color: var(--accent);
  font-weight: 500;
}

/* ── Competitor company badge colours ───────────────────────────── */
.source-yougov        { background: #293A8C; }
.source-harris-poll   { background: #C8102E; }
.source-harrisx       { background: #1D3557; }
.source-ipsos         { background: #D0202F; }
.source-kantar        { background: #00B5E2; }
.source-surveymonkey  { background: #00BF6F; }
.source-nielsen       { background: #DA291C; }
.source-rep-data      { background: #5B4FCF; }
.source-savanta       { background: #004B87; }
.source-purespectrum  { background: #F47920; }
.source-cint          { background: #00A8A8; }
.source-tracksuit     { background: #111827; }

/* ── Mobile top bar (hidden on desktop) ────────────────────────── */
.mobile-topbar { display: none; }
.sidebar-overlay { display: none; }

/* ── Mobile responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .app {
    flex-direction: column;
    height: 100dvh;
    overflow: hidden;
  }

  /* Top bar */
  .mobile-topbar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--sidebar-bg);
    position: sticky;
    top: 0;
    z-index: 20;
    flex-shrink: 0;
  }

  .mobile-topbar .logo-mark {
    font-size: 16px;
    padding: 2px 6px;
    background: #fff;
    color: var(--sidebar-bg);
    border-radius: 4px;
  }

  .mobile-topbar .logo-label {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
  }

  /* Hamburger */
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
  }

  .hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
  }

  /* Sidebar becomes a fixed slide-in drawer */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 260px;
    z-index: 30;
    transform: translateX(-100%);
    transition: transform .25s ease;
  }

  .app.sidebar-open .sidebar {
    transform: translateX(0);
  }

  /* Backdrop */
  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 25;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
  }

  .app.sidebar-open .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  /* Main content scrolls */
  .main {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
  }

  .main-header {
    padding: 14px 16px;
  }

  .article-list {
    padding: 12px 16px;
  }

  .article-card {
    padding: 16px 0;
  }
}