/* ===================================================================
   layout.css — โครงสร้างหน้าหลัก (sidebar, header, grid)
   =================================================================== */

/* พื้นหลังจุดกริดจาง — ลายกระดาษบรรทัด แทนกริดบลูพรินต์แบบเดิม */
.app-bg {
  min-height: 100vh;
  background-image: linear-gradient(var(--line) 1px, transparent 1px);
  background-size: 100% 36px;
}

/* ---------- หน้า Login (ก่อนเข้าระบบ ไม่มี sidebar) ---------- */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

/* ---------- Layout หลักหลัง login ---------- */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }
  .sidebar.is-open {
    transform: translateX(0);
  }
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(43, 42, 40, 0.45);
    z-index: 99;
  }
}

/* ---------- Sidebar ---------- */
.sidebar {
  background: var(--bg-soft);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  width: var(--sidebar-w);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-dim);
}

.sidebar-brand .sq {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

.sidebar-property {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.sidebar-property-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.sidebar-property-current {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color 0.15s;
}
.sidebar-property-current:hover {
  border-color: var(--accent);
}

.sidebar-property-name {
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.nav-section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 14px 12px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--text-dim);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.nav-item .ti {
  font-size: 17px;
  flex-shrink: 0;
}

.nav-item:hover {
  background: var(--panel-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent);
  color: var(--bg);
}

.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12.5px;
  flex-shrink: 0;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-faint);
}

.logout-btn {
  background: transparent;
  border: none;
  color: var(--text-faint);
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-shrink: 0;
}
.logout-btn:hover {
  color: var(--red);
  background: var(--red-dim);
}

/* ---------- Main content area ---------- */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: var(--header-h);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  flex-shrink: 0;
  background: var(--bg);
}

.topbar-title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 8px;
  color: var(--text);
}

@media (max-width: 860px) {
  .mobile-menu-btn { display: flex; }
}

.content {
  flex: 1;
  padding: 28px;
  overflow-y: auto;
}

.content-section {
  margin-bottom: 32px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

/* ---------- Grid helpers ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}