:root {
  --ck-primary: #003366;
  --ck-primary-dark: #002244;
  --ck-accent: #c9a227;
  --ck-bg: #f4f6f9;
  --ck-card: #ffffff;
  --ck-text: #1a1a2e;
  --ck-muted: #6b7280;
  --ck-danger: #dc2626;
  --ck-success: #059669;
  --ck-border: #e5e7eb;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--ck-bg);
  color: var(--ck-text);
  min-height: 100vh;
}

.view { display: none !important; }
.view.active:not(.auth-shell) { display: block !important; }
.view.active.auth-shell { display: flex !important; width: 100%; }

body.ck-logged-in #login-view,
body.ck-logged-in #access-request-view { display: none !important; }
body.ck-logged-in #dashboard-view { display: block !important; }

.brand-logo {
  display: block;
  height: 72px;
  width: auto;
  max-width: 220px;
  margin: 0 auto 1rem;
  object-fit: contain;
}
.brand-logo.sm {
  height: 36px;
  max-width: 110px;
  margin: 0;
}

.login-card {
  max-width: 400px; margin: 10vh auto; padding: 2rem;
  background: var(--ck-card); border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0,51,102,.12);
  text-align: center;
}
.login-card h1 { color: var(--ck-primary); margin-bottom: .25rem; }
.login-card p { color: var(--ck-muted); margin-bottom: 1.5rem; }
.login-card label { display: block; text-align: left; font-size: .85rem; margin: .75rem 0 .25rem; }
.login-card input {
  width: 100%; padding: .65rem .75rem; border: 1px solid var(--ck-border);
  border-radius: 8px; font-size: 1rem;
}
.login-card textarea {
  width: 100%; padding: .65rem .75rem; border: 1px solid var(--ck-border);
  border-radius: 8px; font-size: 1rem; margin-bottom: .5rem; resize: vertical;
}

.topbar {
  background: var(--ck-primary); color: #fff;
  padding: .75rem 1.5rem; display: flex; justify-content: space-between; align-items: center;
}
.brand-inline { display: flex; align-items: center; gap: .75rem; }
.user-info { display: flex; align-items: center; gap: 1rem; font-size: .9rem; }

.container { display: flex; min-height: calc(100vh - 52px); }
.sidebar {
  width: 220px; background: var(--ck-card); border-right: 1px solid var(--ck-border);
  padding: 1rem 0;
}
.nav-item {
  display: block; padding: .75rem 1.25rem; color: var(--ck-text);
  text-decoration: none; border-left: 3px solid transparent;
}
.nav-item.active { background: #eef2ff; border-left-color: var(--ck-primary); font-weight: 600; }
.nav-item.disabled { color: var(--ck-muted); pointer-events: none; }

.nav-group { border-bottom: 1px solid var(--ck-border); margin-bottom: .25rem; }
.nav-group-title {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: .75rem 1.25rem; border: none; background: transparent;
  color: var(--ck-primary); font-weight: 700; font-size: .9rem; cursor: pointer; text-align: left;
}
.nav-group-title::after {
  content: '▸'; font-size: .75rem; color: var(--ck-muted); transition: transform .15s;
}
.nav-group.open .nav-group-title::after { transform: rotate(90deg); }
.nav-group-items { display: none; padding-bottom: .35rem; }
.nav-group.open .nav-group-items { display: block; }
.nav-item.nav-sub {
  padding: .55rem 1.25rem .55rem 2rem; font-size: .85rem;
}
.nav-item.nav-sub.active { background: #eef2ff; border-left-color: var(--ck-accent); }

.folha-quick-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem;
}
.folha-quick-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: .35rem;
  text-align: left; padding: 1rem 1.1rem; border: 1px solid var(--ck-border);
  border-radius: 10px; background: var(--ck-card); cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}
.folha-quick-card:hover {
  border-color: var(--ck-primary); box-shadow: 0 2px 8px rgba(0,51,102,.08);
}
.folha-quick-card strong { color: var(--ck-primary); font-size: .95rem; }
.folha-quick-card span { color: var(--ck-muted); font-size: .8rem; line-height: 1.35; }

.content { flex: 1; padding: 1.5rem; overflow: auto; }
.content h2 { color: var(--ck-primary); margin-bottom: .25rem; }
.subtitle { color: var(--ck-muted); margin-bottom: 1.5rem; }

.card {
  background: var(--ck-card); border-radius: 12px; padding: 1.25rem;
  margin-bottom: 1rem; box-shadow: 0 2px 8px rgba(0,0,0,.04);
  border: 1px solid var(--ck-border);
}
.card h3 { font-size: 1rem; margin-bottom: 1rem; color: var(--ck-primary-dark); }

.btn {
  padding: .6rem 1.2rem; border: none; border-radius: 8px;
  cursor: pointer; font-size: .9rem; font-weight: 600;
}
.btn-primary { background: var(--ck-primary); color: #fff; }
.btn-primary:hover { background: var(--ck-primary-dark); }
.btn-secondary { background: var(--ck-accent); color: #1a1a2e; }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4); }
.btn-sm { padding: .35rem .75rem; font-size: .8rem; }

.form-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; }
.form-row input[type="month"], .form-row input[type="file"] { padding: .5rem; }

table { width: 100%; border-collapse: collapse; font-size: .875rem; }
th, td { padding: .5rem .75rem; text-align: left; border-bottom: 1px solid var(--ck-border); }
th { background: #f8fafc; color: var(--ck-muted); font-weight: 600; }

.badge {
  display: inline-block; padding: .2rem .5rem; border-radius: 4px;
  font-size: .75rem; font-weight: 600;
}
.badge-draft { background: #fef3c7; color: #92400e; }
.badge-pending_finance { background: #ede9fe; color: #5b21b6; }
.badge-validated { background: #dbeafe; color: #1e40af; }
.badge-paid { background: #d1fae5; color: #065f46; }
.badge-blocked { background: #fee2e2; color: #991b1b; }
.badge-partial { background: #ffedd5; color: #9a3412; }

.page { display: none; }
.page.active { display: block; }

.hidden { display: none !important; }

#login-error:not(.hidden) {
  display: block !important;
}
.error { color: var(--ck-danger); margin-top: .75rem; font-size: .875rem; }
.hint { font-size: .8rem; color: var(--ck-muted); margin-top: .75rem; }
.hint a { color: var(--ck-primary); }

.actions { display: flex; gap: .75rem; margin-top: 1rem; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; }
.stat { text-align: center; padding: 1rem; background: #f8fafc; border-radius: 8px; }
.stat .val { font-size: 1.5rem; font-weight: 700; color: var(--ck-primary); }
.stat .lbl { font-size: .75rem; color: var(--ck-muted); }

.table-wrap { overflow-x: auto; }

.offers-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.offer-card {
  border: 1px solid var(--ck-border); border-radius: 10px; padding: 1rem;
  background: #fafbfc;
}
.offer-card h4 { color: var(--ck-primary); margin-bottom: .35rem; }
.offer-card .tag {
  display: inline-block; background: var(--ck-accent); color: #fff;
  font-size: .75rem; padding: .15rem .5rem; border-radius: 4px; margin-bottom: .5rem;
}
tr.best-row td { background: #e8f5e9; font-weight: 600; }

.chat-panel { display: flex; flex-direction: column; min-height: 360px; }
.chat-messages {
  flex: 1; overflow-y: auto; max-height: 400px; padding: .75rem;
  background: #f8fafc; border-radius: 8px; margin-bottom: .75rem;
}
.chat-msg { margin-bottom: .75rem; padding: .6rem .85rem; border-radius: 8px; max-width: 85%; font-size: .9rem; }
.chat-msg.user { background: var(--ck-primary); color: #fff; margin-left: auto; }
.chat-msg.assistant { background: #fff; border: 1px solid var(--ck-border); }
.chat-input-row { display: flex; gap: .5rem; }
.chat-input-row input { flex: 1; padding: .65rem .75rem; border: 1px solid var(--ck-border); border-radius: 8px; }

@media (max-width: 768px) {
  .container { flex-direction: column; }
  .sidebar { width: 100%; }
}