/* ── Body background with peony pattern ── */
body {
  background-color: var(--color-bg);
  background-image: url('../assets/peony-bg-pattern.svg');
  background-size: 480px 480px;
  background-attachment: fixed;
  background-repeat: repeat;
  background-position: 0 0;
}

/* App wrapper */
#app {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* ── Large corner peony decorations on main content ── */
.main-content::before,
.main-content::after {
  content: '';
  position: fixed;
  pointer-events: none;
  z-index: 0;
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0.18;
}

/* Top-right large peony */
.main-content::before {
  top: -30px;
  right: -30px;
  width: 280px;
  height: 280px;
  background-image: url('../assets/peony-watercolor.svg');
  transform: rotate(15deg) scaleX(-1);
}

/* Bottom-left large peony */
.main-content::after {
  bottom: 20px;
  left: var(--sidebar-width);
  width: 220px;
  height: 220px;
  background-image: url('../assets/peony-watercolor.svg');
  transform: rotate(-10deg);
  opacity: 0.13;
}

@media (max-width: 768px) {
  .main-content::before {
    width: 140px;
    height: 140px;
    top: 50px;
    right: 0;
  }
  .main-content::after {
    left: 0;
    bottom: 80px;
    width: 120px;
    height: 120px;
  }
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.sidebar-brand {
  padding: var(--sp-6) var(--sp-6) var(--sp-4);
  border-bottom: 1px solid var(--color-border-light);
  text-align: center;
}

.sidebar-brand .brand-peony {
  width: 52px;
  height: 52px;
  margin: 0 auto var(--sp-3);
}

.sidebar-brand .brand-user {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: var(--sp-2);
}

.sidebar-nav {
  flex: 1;
  padding: var(--sp-4) var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  color: var(--color-text-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: var(--color-surface-alt);
  color: var(--color-text-heading);
}

.nav-item.active {
  background: linear-gradient(135deg, #fde8e8, #f8d8d8);
  color: var(--color-text-heading);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.nav-item .nav-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  background: var(--color-surface-alt);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 1px 4px rgba(180,130,130,0.08);
}

.nav-item:hover .nav-icon,
.nav-item.active .nav-icon {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(180,130,130,0.14);
}

/* Per-route pastel pill colors */
[data-route="#home"]      .nav-icon { background: linear-gradient(135deg, #fde8e8, #f8d8dc); }
[data-route="#guide"]     .nav-icon { background: linear-gradient(135deg, #fdeee8, #f8e4d8); }
[data-route="#today"]     .nav-icon { background: linear-gradient(135deg, #fde0e8, #f8ccd8); }
[data-route="#freewrite"] .nav-icon { background: linear-gradient(135deg, #ede8fd, #e0d8f8); }
[data-route="#calendar"]  .nav-icon { background: linear-gradient(135deg, #e8f0fd, #d8e4f8); }
[data-route="#goals"]     .nav-icon { background: linear-gradient(135deg, #e8fdf0, #d8f0e4); }
[data-route="#recap"]     .nav-icon { background: linear-gradient(135deg, #fdf0e8, #f8e4d8); }
[data-route="#gallery"]   .nav-icon { background: linear-gradient(135deg, #eefde8, #e0f4d8); }

.nav-item .nav-label { flex: 1; }

.sidebar-footer {
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--color-border-light);
  font-size: var(--fs-xs);
  color: var(--color-text-light);
  text-align: center;
}

.sidebar-footer .footer-date {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--sp-1);
}

/* ── Main Content ── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--sp-4) var(--sp-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.page-header-title {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  color: var(--color-text-heading);
  font-weight: 700;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.page-content {
  flex: 1;
  padding: var(--sp-8);
  max-width: calc(var(--content-max-width) + var(--sp-16));
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Page Sections ── */
.page-section {
  display: none;
  animation: pageEnter 0.35s ease;
}

.page-section.active {
  display: block;
}

/* ── Mobile Nav ── */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  z-index: 100;
  box-shadow: 0 -2px 12px rgba(92, 61, 61, 0.08);
}

.mobile-nav-inner {
  display: flex;
  height: 100%;
  align-items: center;
}

.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: var(--sp-2);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  cursor: pointer;
  transition: color var(--transition-fast);
  border: none;
  background: none;
}

.mobile-nav-item:hover,
.mobile-nav-item.active {
  color: var(--color-text-heading);
}

.mobile-nav-icon {
  font-size: 1.1rem;
  width: 36px;
  height: 30px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: all var(--transition-fast);
}

.mobile-nav-item.active .mobile-nav-icon {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(180,130,130,0.14);
}

/* Per-route mobile pill colors */
.mobile-nav-item[data-route="#home"]      .mobile-nav-icon { background: linear-gradient(135deg, #fde8e8, #f8d8dc); }
.mobile-nav-item[data-route="#guide"]     .mobile-nav-icon { background: linear-gradient(135deg, #fef4e8, #fde8cc); }
.mobile-nav-item[data-route="#today"]     .mobile-nav-icon { background: linear-gradient(135deg, #fde0e8, #f8ccd8); }
.mobile-nav-item[data-route="#goals"]     .mobile-nav-icon { background: linear-gradient(135deg, #e8fdf0, #d8f0e4); }

.mobile-nav-label { font-size: 0.62rem; font-weight: 500; }

/* ── Mobile header ── */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 80;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-4);
  box-shadow: var(--shadow-sm);
}

.mobile-header-title {
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  color: var(--color-text-heading);
  font-weight: 700;
  flex: 1;
}

.mobile-header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

.mobile-header-action-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text-heading);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-header-action-btn:hover {
  background: var(--color-surface);
  border-color: var(--color-accent);
}

/* ── Mobile More Drawer ── */
.mobile-more-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 150;
  backdrop-filter: blur(2px);
}

.mobile-more-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  z-index: 151;
  padding: var(--sp-3) var(--sp-5) calc(var(--sp-5) + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 24px rgba(92,61,61,0.12);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}

.mobile-more-drawer.open {
  transform: translateY(0);
}

.mobile-more-handle {
  width: 40px;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  margin: 0 auto var(--sp-4);
}

.mobile-more-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.mobile-more-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-2);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-more-item:hover,
.mobile-more-item:active {
  background: var(--color-surface);
  border-color: var(--color-accent);
  transform: scale(0.97);
}

.mobile-more-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.mobile-more-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.mobile-more-nickname {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-1);
  margin-bottom: var(--sp-2);
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--sp-3);
}

.mobile-more-nickname-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.mobile-more-nickname-val {
  font-family: var(--font-script);
  font-size: var(--fs-md);
  color: var(--color-accent-script);
  background: none;
  border: none;
  cursor: pointer;
  border-bottom: 1px dashed var(--color-accent);
  padding-bottom: 1px;
}

.mobile-more-footer {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--sp-3);
  display: flex;
  justify-content: center;
}

.mobile-more-signout {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-full);
  transition: color var(--transition-fast);
}

.mobile-more-signout:hover { color: var(--color-text-heading); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { display: none; }

  body {
    background-attachment: scroll;
  }

  .main-content {
    margin-left: 0;
    padding-top: calc(var(--header-height) + env(safe-area-inset-top));
    padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
    overflow-x: hidden;
    width: 100%;
  }

  .page-content {
    padding: var(--sp-4);
    overflow-x: hidden;
    box-sizing: border-box;
  }

  .page-header { display: none; }

  .mobile-nav { display: flex; }
  .mobile-header { display: flex; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .sidebar { width: var(--sidebar-width-sm); }
  .main-content { margin-left: var(--sidebar-width-sm); }
  .page-content { padding: var(--sp-6); }
}