/**
 * layout.css
 * ─────────────────────────────────────────────────────
 * Cấu trúc tổng thể: header, nav, main, views
 * ─────────────────────────────────────────────────────
 */

/* ── APP CONTAINER ─────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── HEADER ────────────────────────────────────────── */
#header {
  background: var(--bg2);
  border-bottom: 2px solid var(--orange);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
  z-index: 50;
}

.header-brand {
  flex-shrink: 0;
}

#header-store {
  color: var(--orange);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: .1em;
  display: block;
}

#header-date {
  color: var(--dim);
  font-size: .65rem;
  margin-top: 2px;
  display: block;
}

/* ── NAV ───────────────────────────────────────────── */
#nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-btn {
  padding: 8px 12px;
  border-radius: var(--r-sm);
  font-size: .68rem;
  font-weight: 900;
  color: var(--muted);
  background: transparent;
  transition: all .15s;
  letter-spacing: .03em;
}

.nav-btn:hover {
  color: var(--text);
  background: var(--bg3);
}

.nav-btn.active {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 4px 14px var(--orange-glow);
}

.nav-shortcut {
  opacity: .35;
  font-size: .6rem;
}

/* ── MAIN ──────────────────────────────────────────── */
#main {
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* ── VIEWS ─────────────────────────────────────────── */
.view {
  display: none;
  height: 100%;
  overflow-y: auto;
}

.view.show {
  display: block;
}

/* Order view dùng flexbox riêng */
#view-order {
  display: none;
  flex-direction: row;
  height: 100%;
  overflow: hidden;
}

#view-order.show {
  display: flex;
}

/* ── VIEW PADDING ──────────────────────────────────── */
.view-padded {
  padding: 16px;
}

/* ── VIEW TITLE ────────────────────────────────────── */
.view-title {
  color: var(--orange);
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 16px;
}

/* ── SECTION ───────────────────────────────────────── */
.section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 1rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 14px;
}

/* ── TABLE MAP ─────────────────────────────────────── */
#view-tables {
  padding: 16px;
}

.legend {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .72rem;
  color: var(--muted);
}

.legend-dot {
  width: 13px;
  height: 13px;
  border-radius: 4px;
}

.zone-block {
  margin-bottom: 28px;
}

.zone-title {
  color: var(--orange);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: .12em;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.tables-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

/* ── STATS ROW ─────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px;
  text-align: center;
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
}

.stat-label {
  font-size: .65rem;
  color: var(--muted);
  margin-top: 5px;
}

/* ── ORDER LAYOUT ──────────────────────────────────── */
.menu-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  min-width: 0;
  overflow: hidden;
}

.order-panel {
  width: 285px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
  background: rgba(30, 41, 59, 0.7);
  transition: max-height .3s ease;
}

/* ── HISTORY ───────────────────────────────────────── */
.hist-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

#hist-summary {
  color: var(--muted);
  font-size: .8rem;
}

/* ── REPORTS ───────────────────────────────────────── */
.rep-period-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.rep-kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px;
}

.kpi-card.wide {
  grid-column: span 2;
  border-color: rgba(249, 115, 22, .35);
}

.kpi-label {
  color: var(--muted);
  font-size: .72rem;
  margin-bottom: 6px;
}

.kpi-value {
  font-weight: 900;
  font-size: 2.2rem;
  line-height: 1;
}

/* ── SETTINGS ──────────────────────────────────────── */
.settings-wrap {
  max-width: 580px;
}

.settings-row {
  margin-bottom: 12px;
}

.settings-row label {
  display: block;
  color: var(--muted);
  font-size: .72rem;
  margin-bottom: 5px;
}

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.shortcut-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  color: var(--muted);
}

kbd {
  background: var(--bg3);
  color: var(--orange);
  padding: 3px 8px;
  border-radius: var(--r-sm);
  font-family: inherit;
  font-weight: 900;
  font-size: .75rem;
  min-width: 28px;
  text-align: center;
}

.backup-btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.stats-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.stats-mini-card {
  background: var(--bg3);
  border-radius: var(--r);
  padding: 14px;
  text-align: center;
}

.stats-mini-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--orange);
}

.stats-mini-label {
  font-size: .65rem;
  color: var(--muted);
  margin-top: 4px;
}