/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Dark theme (default) — slightly lighter greys */
:root,
[data-theme="dark"] {
  --bg: #161616;
  --bg-sidebar: #1c1c1c;
  --bg-elevated: #242424;
  --bg-card: #262626;
  --bg-card-hover: #2e2e2e;
  --border: #363636;
  --border-subtle: #2c2c2c;
  --text: #f0f0f0;
  --text-muted: #9a9a9a;
  --text-dim: #6e6e6e;
  --search-bg: #242424;
  --search-border: #363636;
  --search-focus-border: #5a5a5a;
  --search-glow: rgba(255, 255, 255, 0.07);
  --go-bg: #3b82f6;
  --go-hover: #2563eb;
  --go-color: #ffffff;
  --icon-bg: #2e2e2e;
  --avatar-bg: #3a3a3a;
  --clear-bg: #363636;
  --clear-hover: #444;
  --key-bg: #333;
  --key-border: #4a4a4a;
}

/* Light theme */
[data-theme="light"] {
  --bg: #f5f5f5;
  --bg-sidebar: #ffffff;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f0f0;
  --border: #e0e0e0;
  --border-subtle: #ebebeb;
  --text: #1a1a1a;
  --text-muted: #666666;
  --text-dim: #999999;
  --search-bg: #ffffff;
  --search-border: #d4d4d4;
  --search-focus-border: #999;
  --search-glow: rgba(0, 0, 0, 0.06);
  --go-bg: #3b82f6;
  --go-hover: #2563eb;
  --go-color: #ffffff;
  --icon-bg: #f0f0f0;
  --avatar-bg: #e0e0e0;
  --clear-bg: #e8e8e8;
  --clear-hover: #ddd;
  --key-bg: #f0f0f0;
  --key-border: #d0d0d0;
}

html {
  height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100%;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  transition: background 0.2s ease, color 0.2s ease;
}

/* ===== App layout ===== */
.app {
  display: flex;
  height: 100vh;
  width: 100%;
}

/* ===== Sidebar ===== */
.sidebar {
  width: 220px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.65rem 0.65rem 1rem;
  flex-shrink: 0;
  z-index: 40;
  transition:
    width 0.25s ease,
    transform 0.25s ease,
    background 0.2s ease,
    border-color 0.2s ease;
  overflow: hidden;
}

.sidebar.collapsed {
  width: 64px;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.sidebar-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.5rem;
  min-height: 36px;
  padding-left: 0.2rem;
  padding-right: 0.2rem;
}

.sidebar.collapsed .sidebar-header {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
}

.sidebar-collapse {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.18s ease, color 0.18s ease;
}

.sidebar-collapse:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.sidebar-collapse .icon-expand {
  display: none;
}

.sidebar.collapsed .sidebar-collapse .icon-collapse {
  display: none;
}

.sidebar.collapsed .sidebar-collapse .icon-expand {
  display: block;
}

.sidebar-top {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  height: 42px;
  padding: 0 0.85rem;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
  text-align: left;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

/* Center icons when sidebar is collapsed */
.sidebar.collapsed .nav-item {
  padding: 0;
  gap: 0;
  justify-content: center;
}

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

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

[data-theme="light"] .nav-item.active,
[data-theme="light"] .nav-item:hover {
  background: #f0f0f0;
}

.nav-item > svg:first-of-type {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  opacity: 0.85;
}

.nav-label {
  white-space: nowrap;
  overflow: hidden;
  flex-shrink: 0;
  transition: opacity 0.18s ease;
}

.sidebar.collapsed .nav-label {
  opacity: 0;
  position: absolute;
  pointer-events: none;
}

.external-icon {
  margin-left: auto;
  opacity: 0.45;
  flex-shrink: 0;
  transition: opacity 0.18s ease;
}

.nav-item:hover .external-icon {
  opacity: 0.75;
}

.sidebar.collapsed .external-icon {
  display: none;
}

.sidebar-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.35rem 0.25rem;
  margin-top: auto;
  min-height: 44px;
}

.sidebar.collapsed .sidebar-bottom {
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  overflow: hidden;
}

.sidebar.collapsed .user-badge {
  justify-content: center;
  padding-left: 0;
}

.sidebar.collapsed .theme-toggle {
  margin-left: 0;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--avatar-bg);
  color: var(--text);
  font-size: 0.7rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 0.18s ease;
}

.sidebar.collapsed .user-label {
  opacity: 0;
  position: absolute;
  pointer-events: none;
  width: 0;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--bg-card-hover);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.menu-toggle {
  display: none;
  position: fixed;
  top: 0.85rem;
  left: 0.85rem;
  z-index: 50;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.45rem;
  cursor: pointer;
}

/* ===== Main ===== */
.main {
  flex: 1;
  overflow-y: auto;
  position: relative;
  background: var(--bg);
  transition: background 0.2s ease;
}

.view {
  display: none;
  min-height: 100%;
}

.view.active {
  display: block;
}

/* ===== Persistent search bar ===== */
.center-group {
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 720px;
  padding: 0;
  text-align: center;
  z-index: 30;
  pointer-events: none;
  transition:
    top 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    bottom 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    max-width 0.35s ease;
}

.center-group .search-form {
  pointer-events: auto;
}

/* Search bar glides to fixed bottom when on Apps / Create
   Centered in the main area (accounts for sidebar open/collapsed) */
.center-group.search-bottom {
  position: fixed;
  top: auto;
  bottom: 1.5rem;
  left: calc(220px + (100vw - 220px) / 2);
  transform: translateX(-50%);
  max-width: 720px;
  width: min(720px, calc(100vw - 220px - 3rem));
  padding: 0;
  z-index: 25;
  pointer-events: none;
}

.app:has(.sidebar.collapsed) .center-group.search-bottom {
  left: calc(64px + (100vw - 64px) / 2);
  width: min(720px, calc(100vw - 64px - 3rem));
}

@media (max-width: 768px) {
  .center-group.search-bottom {
    left: 50%;
    width: calc(100% - 1.5rem);
  }
  .app:has(.sidebar.collapsed) .center-group.search-bottom {
    left: 50%;
    width: calc(100% - 1.5rem);
  }
}

.center-group.search-bottom .search-form {
  pointer-events: auto;
}

.greeting {
  font-size: clamp(1.6rem, 4vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.85rem;
  transition: opacity 0.3s ease, transform 0.3s ease, margin 0.3s ease, height 0.3s ease, max-height 0.3s ease;
}

.greeting.hidden-greeting {
  opacity: 0;
  transform: translateY(-12px);
  margin-bottom: 0;
  height: 0;
  max-height: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Search box — two-row: query on top, tools below */
.search-form {
  width: 100%;
}

.search-box {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  background: var(--search-bg);
  border: 1px solid var(--search-border);
  border-radius: 16px;
  padding: 0.55rem 0.7rem 0.5rem;
  transition:
    border-color 0.28s ease,
    box-shadow 0.28s ease,
    transform 0.28s cubic-bezier(0.34, 1.4, 0.64, 1),
    background 0.2s ease;
}

.search-box:focus-within {
  border-color: var(--search-focus-border);
  box-shadow:
    0 0 0 4px var(--search-glow),
    0 8px 28px rgba(0, 0, 0, 0.18);
  transform: scale(1.015);
}

.center-group.search-bottom .search-box:focus-within {
  transform: scale(1.01);
}

.search-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
}

.search-row-query {
  min-height: 36px;
}

.search-row-tools {
  justify-content: flex-start;
  gap: 0.35rem;
  /* no divider */
  padding-top: 0.2rem;
  
}

/* Plus button */
.search-plus {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.search-plus:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.search-plus:active {
  transform: scale(0.92);
}

.search-box:focus-within .search-plus {
  color: var(--text-muted);
}

/* Input + animated placeholder */
.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}

.search-input {
  flex: 1;
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  padding: 0.45rem 0.2rem;
  min-width: 0;
}

.search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
  display: none;
}

.placeholder-anim {
  position: absolute;
  left: 0.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 1rem;
  font-family: inherit;
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: calc(100% - 0.4rem);
  opacity: 1;
  transition: opacity 0.32s ease;
}

.placeholder-anim.fade-out {
  opacity: 0;
}

.placeholder-anim.hidden {
  opacity: 0;
  visibility: hidden;
}

/* Clear button */
.search-clear {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: var(--clear-bg);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease, opacity 0.18s ease;
}

.search-clear:hover {
  background: var(--clear-hover);
  color: var(--text);
}

.search-clear:active {
  transform: scale(0.9);
}

.search-clear[hidden] {
  display: none !important;
}

/* Google / ChatGPT engine toggle */
.engine-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
  margin-left: 0.15rem;
}

.engine-btn {
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 0.18s ease,
    color 0.18s ease,
    border-color 0.18s ease;
}

.engine-btn:hover {
  color: var(--text-muted);
  background: var(--bg-elevated);
}

.engine-btn.active {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
}

[data-theme="light"] .engine-btn.active {
  background: #f0f0f0;
  border-color: #ddd;
}

/* Go button */
.search-go {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: var(--go-bg);
  color: var(--go-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: auto;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.search-go:hover {
  background: var(--go-hover);
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.35);
}

.search-go:active {
  transform: scale(0.94);
}

/* Search view — only holds results */
.view-search {
  position: relative;
  min-height: 100%;
  padding: 0 1.5rem 4.5rem;
}

/* Results layer — below center, does not move greeting/search */
.results-layer {
  position: absolute;
  top: calc(42% + 7.5rem);
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 720px;
  z-index: 1;
  padding: 0 0 2rem;
  transition: opacity 0.25s ease;
}

.results-layer.hidden-results {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.live-results {
  text-align: left;
}

.live-results[hidden] {
  display: none !important;
}

.live-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 0.9rem;
  padding-left: 0.1rem;
  opacity: 0;
  animation: fadeSlideIn 0.3s ease forwards;
}

.live-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.live-list.links-grid {
  display: flex;
  flex-direction: column;
  grid-template-columns: none;
  gap: 0.5rem;
}

.live-list .link-card {
  min-height: 56px;
  padding: 0.75rem 1rem;
}

.live-card-anim {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeSlideIn 0.35s ease forwards;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hint at bottom */
.search-hint-text {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  color: var(--text-dim);
  white-space: nowrap;
  pointer-events: none;
  z-index: 2;
}

/* ===== Apps & Shortcuts views ===== */
.view-apps,
.view-create {
  padding: 2rem 2.5rem 5.5rem 3.75rem;
  max-width: 1100px;
}

.apps-header {
  margin-bottom: 1.75rem;
}

.apps-header h2 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
}

.category {
  margin-bottom: 2.25rem;
}

.category:first-child {
  margin-bottom: 3.25rem;
}

.category-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 0.9rem;
  padding-left: 0.1rem;
}

.shortcuts-hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
  padding-left: 0.1rem;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.65rem;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.05rem 1.15rem;
  min-height: 72px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.link-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--search-focus-border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.link-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

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

.link-name {
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}

.link-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.1rem;
  line-height: 1.3;
}

/* Shortcut key badge */
.shortcut-card {
  position: relative;
}

.shortcut-key {
  flex-shrink: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  background: var(--key-bg);
  border: 1px solid var(--key-border);
  border-radius: 6px;
  padding: 0.2rem 0.5rem;
  min-width: 1.75rem;
  text-align: center;
}

.no-results {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    transform: translateX(-100%);
    width: 220px !important;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar.collapsed {
    width: 220px !important;
  }

  .sidebar.collapsed .nav-label,
  .sidebar.collapsed .user-label {
    opacity: 1;
    position: static;
    pointer-events: auto;
    width: auto;
  }

  .sidebar.collapsed .external-icon {
    display: block;
  }

  .sidebar.collapsed .nav-item {
    justify-content: flex-start;
    padding: 0 0.85rem;
    gap: 0.75rem;
  }

  .sidebar.collapsed .sidebar-header {
    justify-content: flex-end;
    padding-right: 0.15rem;
  }

  .sidebar.collapsed .sidebar-bottom {
    flex-direction: row;
    padding: 0.35rem 0.25rem;
  }

  .sidebar-collapse {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .view-apps,
  .view-create {
    padding: 3.5rem 1.15rem 5.5rem;
  }

  .apps-header h2 {
    font-size: 1.5rem;
  }

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

  .center-group,
  .results-layer {
    max-width: calc(100% - 0.5rem);
  }

  .center-group.search-bottom {
    width: calc(100% - 1.5rem);
    bottom: 1.15rem;
  }

  .search-hint-text {
    font-size: 0.72rem;
    white-space: normal;
    text-align: center;
    max-width: 90%;
  }
}

@media (max-width: 480px) {
  .greeting {
    font-size: 1.45rem;
  }
}