/* =============================================
   HUMANO — LAYOUT
   Sidebar, Header, Main Content
   ============================================= */

/* ===== APP SHELL ===== */
#app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--color-bg);
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sidebar);
  transition: transform var(--transition-slow), width var(--transition-slow), box-shadow var(--transition-slow);
  overflow: hidden;
}
.sidebar-logo {
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
  min-height: var(--header-height);
  flex-shrink: 0;
}
.sidebar-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-primary);
}
.sidebar-logo-mark svg { color: #fff; }
.sidebar-logo-text { display: flex; flex-direction: column; }
.sidebar-logo-name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}
.sidebar-logo-tagline { font-size: var(--font-size-xs); color: var(--text-tertiary); margin-top: 2px; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.sidebar-section-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-3) var(--space-2);
  margin-top: var(--space-2);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  position: relative;
  user-select: none;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-family);
}
.nav-item:hover { background: var(--color-bg); color: var(--text-primary); }
.nav-item.active {
  background: #FFF0E6;
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}
.nav-item.active .nav-icon { color: var(--color-primary); }
.nav-icon { flex-shrink: 0; transition: color var(--transition-fast); }
.nav-label { flex: 1; }
.nav-badge {
  background: var(--color-primary);
  color: #fff;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  min-width: 20px;
  text-align: center;
}

.sidebar-user {
  padding: var(--space-4) var(--space-4);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  transition: background var(--transition-fast);
  border-radius: 0;
  flex-shrink: 0;
}
.sidebar-user:hover { background: var(--color-bg); }
.sidebar-user-info { flex: 1; overflow: hidden; }
.sidebar-user-name { font-size: var(--font-size-base); font-weight: var(--font-weight-semibold); color: var(--text-primary); }
.sidebar-user-role { font-size: var(--font-size-xs); color: var(--text-tertiary); }

/* ===== MAIN WRAPPER ===== */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
}

/* ===== HEADER ===== */
.top-header {
  height: var(--header-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  padding: 0 var(--content-padding);
  gap: var(--space-4);
}
.header-hamburger { display: none; }
.header-title-area { flex: 1; }
.header-page-title { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); color: var(--text-primary); }
.header-page-subtitle { font-size: var(--font-size-xs); color: var(--text-tertiary); }
.header-actions { display: flex; align-items: center; gap: var(--space-2); }
.header-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  background: transparent;
  border: none;
  position: relative;
  font-family: var(--font-family);
}
.header-icon-btn:hover { background: var(--color-bg); color: var(--text-primary); }
.header-notif-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 2px solid #fff;
}

/* ===== MAIN CONTENT ===== */
.main-content {
  flex: 1;
  padding: var(--content-padding);
  max-width: 100%;
  overflow-x: hidden;
}
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.page-title { font-size: var(--font-size-2xl); font-weight: var(--font-weight-bold); }
.page-subtitle { font-size: var(--font-size-base); color: var(--text-secondary); margin-top: var(--space-1); }
.page-actions { display: flex; gap: var(--space-3); align-items: center; flex-shrink: 0; }

/* ===== SIDEBAR OVERLAY (mobile) ===== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(2px);
  z-index: calc(var(--z-sidebar) - 1);
}
.sidebar-overlay.active { display: block; animation: fadeIn 0.2s ease; }

/* ===== CONTENT GRID ===== */
.content-grid { display: grid; gap: var(--space-6); }
.content-grid-2 { grid-template-columns: repeat(2, 1fr); }
.content-grid-3 { grid-template-columns: repeat(3, 1fr); }
.content-grid-4 { grid-template-columns: repeat(4, 1fr); }
.content-grid-sidebar { grid-template-columns: 1fr 340px; }

/* ===== SECTION ===== */
.section { margin-bottom: var(--space-8); }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); }
.section-title { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); }
.section-link { font-size: var(--font-size-sm); color: var(--text-link); font-weight: var(--font-weight-medium); }
.section-link:hover { color: var(--text-link-hover); }