/* ==========================================================================
   layout.css — Three-column desktop layout, responsive mobile, top bar, sidebar
   Life Dashboard · Hobonichi Rainbow Aesthetic
   ========================================================================== */

/* ---- Top Navigation Bar ---- */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  background: linear-gradient(135deg, #ffe4ec, #fff0f5, #fdf4ff);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px dashed var(--border);
  box-shadow: 0 2px 8px rgba(255, 105, 180, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  z-index: 1000;
}

.top-bar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-pixel);
  font-size: var(--text-xs);
  color: var(--hotpink);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.top-bar-logo .logo-emoji {
  font-size: 18px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.top-bar-status {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-faint);
}

/* ---- Hamburger (mobile only) ---- */
.hamburger {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: var(--pink-bg);
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--hotpink);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Hamburger open state */
.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Overlay (mobile sidebar backdrop) ---- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(30, 27, 46, 0.3);
  backdrop-filter: blur(2px);
  z-index: 899;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-overlay.visible {
  display: block;
  opacity: 1;
}

/* ---- Dashboard Layout (Grid) ---- */
.dashboard-layout {
  display: grid;
  grid-template-columns: 280px 1fr 280px;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: 0; /* cover banner handles spacing */
}

/* ---- Sidebar ---- */
.sidebar {
  position: sticky;
  top: 48px;
  height: calc(100vh - 48px);
  height: calc(100dvh - 48px);
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg-alt);
  border-right: 2px dashed var(--border);
  padding: var(--space-lg) var(--space-md) var(--space-2xl);
  z-index: 900;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--thistle);
  border-radius: var(--radius-full);
}

/* ---- Main Content ---- */
.main-content {
  overflow-y: auto;
  padding: var(--space-lg) var(--space-xl);
  max-width: 100%;
  width: 100%;
}

/* ---- Right Sidebar ---- */
.sidebar-right {
  position: sticky;
  top: 48px;
  height: calc(100vh - 48px);
  height: calc(100dvh - 48px);
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg-alt);
  border-left: 2px dashed var(--border);
  padding: var(--space-lg) var(--space-md) var(--space-2xl);
}

.sidebar-right::-webkit-scrollbar {
  width: 4px;
}

.sidebar-right::-webkit-scrollbar-thumb {
  background: var(--thistle);
  border-radius: var(--radius-full);
}

/* ---- Container utility ---- */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

/* ==========================================================================
   Responsive: Large tablet / Steam Deck (<=1280px) — narrower sidebars
   ========================================================================== */
@media (max-width: 1280px) {
  .dashboard-layout {
    grid-template-columns: 220px 1fr 220px;
  }
  .sidebar, .sidebar-right {
    padding: var(--space-md) var(--space-sm) var(--space-xl);
  }
}

/* ==========================================================================
   Responsive: Tablet / iPad (<=960px) — collapse to 2 columns
   ========================================================================== */
@media (max-width: 960px) {
  .top-bar__nav {
    gap: 1px;
  }

  .top-bar__nav-link {
    padding: 2px 5px;
    font-size: 9px;
  }

  .dashboard-layout {
    grid-template-columns: 240px 1fr;
  }

  .sidebar-right {
    position: static;
    height: auto;
    border-left: none;
    border-top: 2px dashed var(--border);
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding: var(--space-md);
  }

  .sidebar-right > .sidebar__section {
    flex: 1 1 240px;
    min-width: 200px;
  }

  .sidebar-right > .sidebar-divider {
    display: none;
  }

  .main-content {
    padding: var(--space-md) var(--space-lg);
  }
}

/* ==========================================================================
   Responsive: Small tablet (<=768px) — collapse left sidebar
   ========================================================================== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .dashboard-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    top: 48px;
    left: 0;
    bottom: 0;
    width: 280px;
    transform: translateX(-100%);
    box-shadow: none;
    z-index: 900;
    background: var(--surface);
  }

  .sidebar--open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(120, 80, 160, 0.15);
  }

  .sidebar-right > .sidebar__section {
    flex: 1 1 100%;
  }
}

/* ==========================================================================
   Responsive: Fold cover / narrow phone (<=600px)
   ========================================================================== */
@media (max-width: 600px) {
  .top-bar__nav {
    display: none;
  }

  .cover-banner {
    height: 100px;
  }

  .sidebar-right {
    grid-template-columns: 1fr;
  }

  .main-content {
    padding: var(--space-md);
    grid-column: 1;
  }
}

/* ==========================================================================
   Responsive: Small phones (<=480px)
   ========================================================================== */
@media (max-width: 480px) {
  .top-bar {
    padding: 0 var(--space-sm);
  }

  .top-bar-logo {
    font-size: 7px;
  }

  .main-content {
    padding: var(--space-sm) var(--space-sm) var(--space-xl);
  }

  .sidebar {
    width: 260px;
    padding: var(--space-md) var(--space-sm) var(--space-2xl);
  }
}

/* ==========================================================================
   Responsive: Galaxy Fold / ultra-narrow (<=380px)
   ========================================================================== */
@media (max-width: 380px) {
  .top-bar {
    height: 42px;
    padding: 0 6px;
  }

  .top-bar-logo {
    font-size: 6px;
    gap: 4px;
  }

  .top-bar-logo .logo-emoji {
    font-size: 14px;
  }

  .cover-banner {
    height: 80px;
    margin-top: 42px;
  }

  .sidebar {
    top: 42px;
    width: 240px;
    padding: var(--space-sm) 6px var(--space-xl);
  }

  .main-content {
    padding: 6px 6px var(--space-lg);
  }

  .split-section {
    grid-template-columns: 1fr;
  }
  .split-section__gif {
    max-height: 100px;
    overflow: hidden;
  }
  .split-section--gif-right .split-section__gif {
    order: -1;
  }

  .visions-gallery {
    grid-template-columns: 1fr;
  }

  .areas-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
  .top-bar,
  .hamburger,
  .sidebar-overlay {
    display: none !important;
  }

  .dashboard-layout {
    display: block;
    padding-top: 0;
  }

  .sidebar {
    display: none;
  }

  .main-content {
    padding: 0;
    max-width: 100%;
  }
}