/* ============================================
   Base — Reset + Typography + Layout
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&display=swap');

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--b-font);
  font-size: var(--b-text-md);
  font-weight: var(--b-fw-normal);
  letter-spacing: var(--b-ls);
  line-height: var(--b-lh);
  color: var(--b-brown);
  background: var(--b-bg);
  min-height: 100vh;
}

/* --- Header --- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--b-header-height);
  padding: 0 var(--b-sp-32);
  background: var(--b-white);
  border-bottom: 1px solid var(--b-border);
  position: sticky;
  top: 0;
  z-index: var(--b-z-sticky);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--b-sp-24);
}

.header-logo {
  height: 32px;
}

.header-title {
  font-size: var(--b-text-lg);
  font-weight: var(--b-fw-bold);
  color: var(--b-brown);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-nav {
  display: flex;
  gap: var(--b-sp-4);
}

.header-nav a {
  display: flex;
  align-items: center;
  gap: var(--b-sp-6);
  padding: var(--b-sp-8) var(--b-sp-16);
  border-radius: var(--b-radius-pill);
  text-decoration: none;
  font-size: var(--b-text-sm);
  font-weight: var(--b-fw-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--b-taupe);
  transition: all var(--b-dur-fast) var(--b-ease-out);
}

.header-nav a:hover {
  color: var(--b-brown);
  background: var(--b-beige);
}

.header-nav a.active {
  color: var(--b-orange);
  background: var(--b-orange-light);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--b-sp-12);
}

/* --- Main container --- */
.main {
  width: var(--b-container);
  margin: 0 auto;
  padding: var(--b-sp-32) 0;
}

/* --- Section spacing --- */
.section {
  margin-bottom: var(--b-sp-32);
}

.section-title {
  font-size: var(--b-text-lg);
  font-weight: var(--b-fw-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--b-brown);
  margin-bottom: var(--b-sp-16);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--b-border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--b-taupe);
}

/* --- Selection --- */
::selection {
  background: var(--b-orange-light);
  color: var(--b-brown);
}

/* --- Tabular numbers for data --- */
.td-num, .td-pct, .kpi-value, .ytd-card-value,
.cockpit-table td, .cockpit-table th {
  font-variant-numeric: tabular-nums;
}

/* --- Positive / Negative --- */
.positive { color: var(--b-green); }
.negative { color: var(--b-red); }
.na { color: var(--b-taupe); font-style: italic; }

/* --- Hidden --- */
.hidden {
  display: none !important;
}

/* --- Page transitions --- */
.page {
  animation: fadeIn var(--b-dur-normal) var(--b-ease-out);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Loading spinner --- */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--b-border);
  border-top-color: var(--b-orange);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}