/* App layout: sidebar | main | detail. Tablet: overlay sidebar + drawer detail. Phone rules live in mobile.css. */
.app {
  display: grid; grid-template-columns: 272px minmax(0, 1fr); height: 100vh; height: 100dvh; overflow: hidden;
}
body.has-detail .app { grid-template-columns: 272px minmax(0, 1fr) minmax(360px, 440px); }
.boot { height: 100dvh; }

/* sidebar */
.sidebar {
  display: flex; flex-direction: column; min-height: 0; background: var(--sidebar);
  border-right: var(--hairline) solid var(--separator); padding: 10px 10px 0;
  padding-top: calc(10px + var(--safe-top)); padding-left: calc(10px + var(--safe-left));
}
.side-top { display: flex; align-items: center; gap: 6px; padding: 2px 2px 8px; }
.side-user {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 8px; border: 0; background: transparent;
  padding: 5px 6px; border-radius: var(--r-md); text-align: left; color: var(--label);
}
.side-user-name { flex: 1; min-width: 0; font: var(--t-headline); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-add { color: var(--tint); }
.side-search {
  position: relative; display: flex; align-items: center; margin: 0 2px 10px; color: var(--label-2);
}
.side-search > .icon { position: absolute; left: 9px; pointer-events: none; }
.side-search input { padding-left: 30px; padding-right: 30px; min-height: 32px; background: var(--fill-3); border-color: transparent; }
.side-search kbd { position: absolute; right: 7px; pointer-events: none; }
.side-search input:focus + kbd { display: none; }
.side-scroll { flex: 1; min-height: 0; overflow-y: auto; padding-bottom: calc(16px + var(--safe-bottom)); margin: 0 -4px; padding-inline: 4px; }
.side-nav, .proj-list, .side-labels { display: flex; flex-direction: column; gap: 1px; }
.side-group { margin-top: 16px; }
.side-head {
  display: flex; align-items: center; justify-content: space-between; padding: 0 4px 4px 10px;
  font: 600 12px/16px var(--font-text); color: var(--label-2); text-transform: none; letter-spacing: 0;
}
.side-head-btn { display: inline-flex; align-items: center; gap: 4px; border: 0; background: transparent; padding: 4px 0; color: inherit; font: inherit; }
.side-group.is-collapsed .side-labels { display: none; }
.side-group.is-collapsed .side-head-btn .icon { transform: rotate(-90deg); }

.nav-item {
  display: flex; align-items: center; gap: 10px; min-height: 34px; padding: 5px 10px; border-radius: var(--r-md);
  color: var(--label); text-decoration: none; border: 0; background: transparent; width: 100%; text-align: left;
  font: var(--t-body); letter-spacing: var(--tr-body); user-select: none; -webkit-user-select: none;
}
.nav-icon { display: inline-grid; place-items: center; width: 22px; height: 22px; color: var(--tint); flex: none; }
.nav-emoji { font-size: 16px; line-height: 1; }
.nav-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-count { font: 500 13px/1 var(--font-text); color: var(--label-2); font-variant-numeric: tabular-nums; }
.nav-count.is-alert { color: #fff; background: var(--red-fill); border-radius: var(--r-pill); padding: 3px 7px; font-weight: 600; font-size: 12px; }
.nav-shared { color: var(--label-3); display: inline-flex; }
.nav-item.is-active { background: var(--fill-2); font-weight: 600; }
.nav-item.is-active .nav-count:not(.is-alert) { color: var(--label); }
@media (hover: hover) { .nav-item:hover:not(.is-active) { background: var(--fill-4); } .side-user:hover { background: var(--fill-4); } }
.ti-today, .title-icon.ti-today { color: var(--sun); }
.ti-upcoming { color: var(--c4); } .ti-assigned { color: var(--c1); } .ti-calendar { color: var(--c3); }
.ti-matrix { color: var(--c2); } .ti-done { color: var(--label-2); } .ti-label { color: var(--c6); } .ti-inbox { color: var(--tint); }
.ti-search, .ti-settings, .ti-bell { color: var(--label-2); }
.sidebar-scrim { display: none; }

/* main column */
.main-col { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--bg); position: relative; }
.navbar {
  position: relative; z-index: 5; display: flex; align-items: center; gap: 8px; min-height: 56px;
  padding: 8px 20px; padding-top: calc(8px + var(--safe-top));
  border-bottom: var(--hairline) solid transparent; transition: border-color var(--dur-2);
}
.navbar.is-scrolled { border-bottom-color: var(--separator); }
.nav-title { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; font: var(--t-title2); letter-spacing: var(--tr-title2); }
.nav-title .title-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.title-icon { display: inline-flex; color: var(--tint); }
.title-icon.ti-inbox { color: var(--tint); }
.title-emoji { font-size: 22px; line-height: 1; }
.nav-actions { display: flex; align-items: center; gap: 6px; flex: 0 1 auto; min-width: 0; }
.navbar { overflow: hidden; }
.nav-title { min-width: 120px; }
@media (max-width: 1599.98px) {
  body.has-detail .seg-label, body.has-detail .share-label { display: none; }
  body.has-detail .seg-btn { padding: 0 9px; }
}
@media (max-width: 1279.98px) { .seg-label { display: none; } .seg-btn { padding: 0 9px; } }
.sidebar-toggle { display: none; }
.nav-back { display: none; }
.main-scroll { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; position: relative; outline: none; overscroll-behavior: contain; }
.large-title { display: none; }
.content { max-width: 860px; margin: 0 auto; padding: 4px 28px 120px; }
.main-scroll.is-module { display: flex; flex-direction: column; }
.main-scroll.is-module .content { flex: 1; min-height: 0; width: 100%; max-width: none; padding-bottom: 16px; display: flex; flex-direction: column; }
.main-scroll.is-module .content > * { flex: 1; min-height: 0; }
.main-scroll.is-module[data-view="calendar"] .content { max-width: 1200px; }

/* detail host (desktop column) */
.detail-host { min-width: 0; min-height: 0; background: var(--surface); border-left: var(--hairline) solid var(--separator); display: flex; }

/* tablet */
@media (max-width: 1099.98px) {
  .app, body.has-detail .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed; z-index: 40; inset: 0 auto 0 0; width: min(300px, 86vw); transform: translateX(-102%);
    transition: transform var(--dur-3) var(--ease-sheet); box-shadow: var(--shadow-pop); border-right: 0;
  }
  body.sidebar-open .sidebar { transform: none; }
  body.sidebar-open .sidebar-scrim { display: block; position: fixed; inset: 0; z-index: 39; background: var(--overlay); animation: fade-in var(--dur-2) both; }
  .sidebar-toggle { display: inline-grid; }
  .detail-host {
    position: fixed; z-index: 30; top: 0; right: 0; bottom: 0; width: min(460px, 92vw);
    box-shadow: var(--shadow-sheet); border-left: 0; animation: drawer-in var(--dur-3) var(--ease-sheet) both;
  }
  .content { padding-inline: 20px; }
}

@keyframes fade-in { from { opacity: 0; } }
@keyframes drawer-in { from { transform: translateX(100%); } }
@keyframes sheet-up { from { transform: translateY(100%); } }
@keyframes pop-in { from { opacity: 0; transform: scale(.96) translateY(-4px); } }