/*
 * base.css — reset, typography, form controls and the app shell
 * (sidebar | topbar + content). Logical properties throughout so an Arabic
 * pass can flip the chrome later (CLAUDE.md §9.2).
 */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; font-size: 14px; }
::selection { background: var(--primary-light); }

/* Numbers stay LTR and aligned; Arabic data renders RTL inside the English UI */
.num { font-variant-numeric: tabular-nums; direction: ltr; unicode-bidi: plaintext; }
.rtl { direction: rtl; unicode-bidi: plaintext; text-align: right; }
.hidden { display: none !important; }

/* ---------- Form controls ---------- */
select,
input[type=date],
input[type=text],
input[type=search],
input[type=url],
input[type=password],
input[type=number] {
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--sh-sm);
  min-width: 120px;
}
select:focus, input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
input[type=checkbox] {
  width: 15px;
  height: 15px;
  accent-color: var(--primary);
  cursor: pointer;
  vertical-align: middle;
}

/* ---------- Shell ---------- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}
.sidebar {
  background: var(--navy);
  color: var(--inverse);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
}
.main { display: flex; flex-direction: column; min-width: 0; position: relative; isolation: isolate; }
/* Faded photo behind the content area only; fixed so it stays put while pages scroll */
.main::before {
  content: '';
  position: fixed;
  inset: 0;
  inset-inline-start: var(--sidebar-w);
  background: url('../assets/app-background.jpg') center / cover no-repeat;
  opacity: var(--bg-image-opacity);
  z-index: -1;
  pointer-events: none;
}
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 26px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar h2 { margin: 0; font-size: 17px; font-weight: 700; }
.topbar .sub { color: var(--muted); font-size: 12.5px; margin-top: 1px; }
.spacer { flex: 1; }
.content { padding: 24px 26px; max-width: 1180px; width: 100%; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main::before { inset-inline-start: 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}