/* =============================================================================
   shared.css — mobile-responsive overrides
   Linked on every page before the page-specific <style> block.
   Uses !important to win against same-specificity inline styles.
   ============================================================================= */

/* ── Hamburger toggle (desktop: hidden) ──────────────────────────────────── */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  color: #a0aec0;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  flex-shrink: 0;
  transition: color 0.15s;
}
.nav-hamburger:hover { color: #e2e8f0; }

/* ── Responsive nav (≤ 640 px) ───────────────────────────────────────────── */
@media (max-width: 640px) {

  /* Allow the nav bar to wrap to a second line */
  .top-nav {
    padding: 0 12px !important;
    flex-wrap: wrap;
    height: auto !important;
    min-height: 48px;
  }

  /* Brand fills the first row, pushing right-side items to the right */
  .nav-brand {
    flex: 1 !important;
    margin-right: 0 !important;
    height: 48px;
    display: flex;
    align-items: center;
  }

  /* Links collapse to a full-width second row */
  .nav-links {
    display: none !important;
    order: 99;
    width: 100%;
    flex-direction: column;
    gap: 0 !important;
    padding: 4px 0 8px;
    border-top: 1px solid #2d3748;
  }
  .nav-links.open { display: flex !important; }

  .nav-link {
    padding: 10px 14px !important;
    font-size: 0.9rem !important;
    border-radius: 0 !important;
    border-bottom: 1px solid #1e2535;
  }
  .nav-link:last-child { border-bottom: none !important; }

  /* Hide live-data status dot on small screens */
  .nav-status { display: none !important; }

  /* User area — don't push left, remove redundant auto margin */
  .nav-user {
    gap: 6px !important;
    margin-left: 0 !important;
  }
  /* Hide username text to save space — sign-out button stays */
  .nav-user-name { display: none !important; }

  /* Lang picker — no extra left margin */
  #navLangPicker { margin-left: 0 !important; }

  /* Reveal the hamburger */
  .nav-hamburger { display: flex; align-items: center; }
}

/* ── Toolbars ────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .toolbar {
    padding: 8px 12px !important;
    gap: 8px !important;
  }
  .toolbar input,
  .toolbar select {
    width: 100% !important;
    min-width: 0 !important;
  }
}

/* ── Page padding ────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .page-content { padding: 12px !important; }
  .page         { padding: 16px 12px 40px !important; }
}

/* ── Station-detail: fix 560 px chart-grid min-width ─────────────────────── */
@media (max-width: 640px) {
  .charts-grid {
    grid-template-columns: 1fr !important;
    padding: 12px !important;
  }
  .time-range-bar {
    padding: 8px 12px !important;
    flex-wrap: wrap;
  }
}

/* ── Foehn: fix 340 px region-grid min-width + two-column top-row ─────────── */
@media (max-width: 640px) {
  .region-grid { grid-template-columns: 1fr !important; }
  .top-row     { grid-template-columns: 1fr !important; }
}

/* ── Map: time-nav rows scroll horizontally on small screens ──────────────── */
@media (max-width: 640px) {
  .tn-day-row,
  .tn-hour-row {
    justify-content: flex-start !important;
    padding: 6px 8px !important;
  }
}

/* ── Stats: tabs scroll, segment controls wrap, compare rows stack ─────────── */
@media (max-width: 640px) {
  .tab-bar {
    overflow-x: auto;
    flex-wrap: nowrap !important;
    gap: 0 !important;
  }
  .tab-btn {
    padding: 10px 14px !important;
    font-size: 0.82rem !important;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .controls { gap: 8px !important; }

  /* Comparison bar fills its own row */
  .compare-row {
    grid-template-columns: 1fr auto !important;
    gap: 8px !important;
  }
  .compare-bar  { grid-column: 1 / -1 !important; }
  .compare-name { grid-column: 1; }
  .compare-pct  { grid-column: 2; display: flex; align-items: center; justify-content: flex-end; }
}

/* ── Rulesets: card actions stack below content on very small screens ──────── */
@media (max-width: 480px) {
  .card { flex-wrap: wrap !important; }
  .card-actions {
    width: 100% !important;
    justify-content: flex-end !important;
    padding-top: 8px !important;
    border-top: 1px solid #1e2535 !important;
    margin-top: 4px !important;
  }
}

/* ── Rule editor: stack 2- and 3-column form rows ─────────────────────────── */
@media (max-width: 640px) {
  .form-row,
  .form-row.three {
    grid-template-columns: 1fr !important;
  }
}

/* ── Auth card: tighter padding on very small screens ────────────────────── */
@media (max-width: 400px) {
  .auth-card { padding: 28px 20px !important; }
}