/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  min-height: 100%;
  background: var(--bg);
  color: var(--txt);
  font-family: "DM Sans", sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
}

/* ============================================================
   SCREEN CONTAINERS
   ============================================================ */
.screen {
  display: none;
  min-height: 100vh;
  flex-direction: column;
  background: var(--bg);
}

.screen.active {
  display: flex;
}

.screen--full {
  display: none;
  height: 100vh;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.screen--full.active {
  display: flex;
}

.screen--morning {
  display: none;
  min-height: 100vh;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.screen--morning.active {
  display: flex;
}

/* ============================================================
   LANGUAGE TABS
   ============================================================ */
.lang-tabs {
  display: flex;
  background: #ede6da;
  border-bottom: 2px solid var(--bdr);
  position: sticky;
  top: 0;
  z-index: 30;
}

.lang-tab {
  flex: 1;
  padding: 13px 8px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  border: none;
  background: none;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  letter-spacing: 0.5px;
  min-height: var(--touch-min);
}

.lang-tab.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.lang-tab--aymara.active {
  color: var(--teal);
  border-bottom-color: var(--teal);
}