/* losig_home — shared stylesheet. Vanilla CSS, no build step.
   Page-specific <style> blocks from older inline pages still apply;
   this file owns the nav, layout, cards, forms, and common components. */

:root {
  --ink: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f9fafb;
  --card: #ffffff;
  --accent: #1d4ed8;
  --accent-dark: #1e3a8a;
}

* { box-sizing: border-box; }

/* Reserve scrollbar space so short pages don't shift vs long ones. */
html { scrollbar-gutter: stable; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
}

/* ---- top nav ---- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1rem;
  background: var(--accent-dark);
  color: #fff;
}
.topnav .brand {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.topnav .nav-links {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.topnav .nav-links a {
  color: #dbeafe;
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  font-size: 0.9rem;
}
.topnav .nav-links a:hover { background: rgba(255,255,255,0.15); }
.topnav .nav-links a.active { background: #fff; color: var(--accent-dark); font-weight: 600; }
.topnav .nav-logout { display: inline; margin: 0; }
.topnav .nav-logout button {
  background: none; border: none; cursor: pointer;
  color: #dbeafe; padding: 0.4rem 0.7rem; border-radius: 6px; font-size: 0.9rem;
}
.topnav .nav-logout button:hover { background: rgba(255,255,255,0.15); }

/* ---- page frame ---- */
.page {
  max-width: 1024px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}
.page h1 { margin-top: 0.25rem; }

.site-footer {
  max-width: 1024px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--line);
}
.site-footer a { color: var(--muted); }

/* ---- dashboard cards ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}
.dash-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  text-decoration: none;
  color: inherit;
  display: block;
}
a.dash-card:hover { border-color: var(--accent); box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.dash-card .kicker {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.dash-card .big { font-size: 1.6rem; font-weight: 700; margin: 0.25rem 0; }
.dash-card .sub { color: var(--muted); font-size: 0.85rem; }
.dash-card .empty { color: var(--muted); font-style: italic; }

/* ---- generic bits used by new pages ---- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1rem;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: #1e40af; }
.btn.secondary { background: #fff; color: var(--accent); border: 1px solid var(--accent); }

table.data { border-collapse: collapse; width: 100%; background: var(--card); }
table.data td, table.data th {
  border: 1px solid var(--line);
  padding: 0.45rem 0.7rem;
  text-align: left;
  font-size: 0.9rem;
}
table.data th { background: #f3f4f6; }

.form-row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: end; margin: 1rem 0; }
.form-row label { display: flex; flex-direction: column; font-size: 0.82rem; color: var(--muted); gap: 0.25rem; }
.form-row input, .form-row select {
  padding: 0.5rem;
  font-size: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.meal-list { display: grid; gap: 0.75rem; margin-top: 1rem; }
.meal {
  display: flex;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
  align-items: center;
}
.meal img { width: 84px; height: 84px; object-fit: cover; border-radius: 6px; background: #f3f4f6; }
.meal .macros { color: var(--muted); font-size: 0.85rem; }
.meal .src {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  margin-left: 0.5rem;
}

.totals-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 1.25rem;
  margin: 1rem 0;
}
.totals-bar .t b { font-size: 1.25rem; display: block; }
.totals-bar .t span { color: var(--muted); font-size: 0.8rem; }

.result-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  font-size: 0.9rem;
}
.result-box.error { background: #fef2f2; border-color: #fecaca; }

@media (max-width: 640px) {
  .page { padding: 1rem 0.75rem 2.5rem; }
  .topnav { flex-wrap: wrap; }
}