:root {
  --crm-bg: #f3f6fb;
  --crm-ink: #111827;
  --crm-muted: #64748b;
  --crm-line: #dbe3ef;
  --crm-panel: #ffffff;
  --crm-primary: #164e63;
  --crm-primary-ink: #0f3f50;
  --crm-accent: #0f766e;
  --crm-sidebar-bg: #0f2530;
  --crm-danger: #b91c1c;
}

html, body {
  min-height: 100%;
  margin: 0;
  background: var(--crm-bg);
  color: var(--crm-ink);
  font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
}

.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.app-sidebar {
  background: var(--crm-sidebar-bg);
  color: #e2e8f0;
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 6px 8px;
}

.app-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.app-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 600;
  font-size: .92rem;
}

.app-nav-link:hover {
  background: rgba(255, 255, 255, .08);
  color: #fff;
}

.app-nav-link.active {
  background: var(--crm-primary);
  color: #fff;
}

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

.app-topbar {
  background: var(--crm-panel);
  border-bottom: 1px solid var(--crm-line);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-topbar-title {
  font-weight: 800;
  font-size: 1.15rem;
}

.app-topbar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--crm-muted);
  font-weight: 600;
}

.app-content {
  padding: 22px 24px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card {
  background: var(--crm-panel);
  border: 1px solid var(--crm-line);
  border-radius: 10px;
  padding: 16px;
}

.metric-label {
  color: var(--crm-muted);
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.metric-value {
  margin-top: 6px;
  font-size: 1.7rem;
  font-weight: 800;
}

.metric-note {
  color: var(--crm-muted);
  font-size: .84rem;
}

.panel {
  background: var(--crm-panel);
  border: 1px solid var(--crm-line);
  border-radius: 10px;
  overflow: hidden;
}

.panel-header {
  padding: 14px 16px;
  font-weight: 800;
  border-bottom: 1px solid var(--crm-line);
}

.btn-primary {
  background: var(--crm-primary);
  border-color: var(--crm-primary);
}

.btn-primary:hover {
  background: var(--crm-primary-ink);
  border-color: var(--crm-primary-ink);
}

/* Guest (login/register) */
.guest-body {
  background: linear-gradient(135deg, #0f2530, #164e63);
  min-height: 100vh;
}

.guest-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.guest-card {
  background: #fff;
  border-radius: 14px;
  padding: 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .25);
}

.guest-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--crm-primary);
  margin-bottom: 14px;
}

.guest-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.guest-sub {
  color: var(--crm-muted);
  margin-bottom: 18px;
}

.guest-foot {
  margin-top: 16px;
  text-align: center;
  color: var(--crm-muted);
  font-size: .9rem;
}

/* Kanban */
.kanban-board {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 12px;
}

.kanban-column {
  background: #eef2f8;
  border-radius: 10px;
  min-width: 260px;
  max-width: 280px;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 200px);
}

.kanban-column-header {
  padding: 12px;
  font-weight: 800;
  font-size: .9rem;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #dbe3ef;
}

.kanban-column-body {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.kanban-card {
  background: #fff;
  border: 1px solid var(--crm-line);
  border-radius: 8px;
  padding: 10px;
  cursor: grab;
  font-size: .88rem;
}

.kanban-card:hover {
  border-color: var(--crm-primary);
}

.kanban-card .value {
  font-weight: 800;
  color: var(--crm-primary);
}

.kanban-card.dragging {
  opacity: .4;
}

.kanban-drop-hint {
  border: 2px dashed var(--crm-primary);
  border-radius: 8px;
  height: 40px;
}