/* Learnovia app: shell, views, boards, tables, drawers, charts. */

body.app { overflow-x: hidden; }
.app-shell { display: grid; grid-template-columns: var(--side-w, 260px) 1fr; min-height: 100vh; transition: grid-template-columns var(--t) var(--ease); }
.app-shell.is-collapsed { --side-w: 76px; }

/* ---------------------------------------------------------------- sidebar */
.side {
  position: sticky; top: 0; height: 100vh; overflow-y: auto; overflow-x: hidden;
  display: flex; flex-direction: column; gap: 4px; padding: 18px 14px;
  background: var(--surface); border-right: 1px solid var(--border);
  transition: background var(--t), border-color var(--t);
}
.side__brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; font-weight: 800; font-size: 1.15rem; letter-spacing: -.03em; white-space: nowrap; }
.side__brand img { width: 30px; height: 30px; flex: none; }
.side__biz { margin: 0 4px 12px; padding: 10px 12px; border-radius: var(--radius); background: var(--surface-2); display: flex; align-items: center; gap: 10px; white-space: nowrap; overflow: hidden; }
.side__biz .avatar { width: 30px; height: 30px; font-size: .72rem; border-radius: 9px; background: var(--grad); }
.side__biz strong { display: block; font-size: .86rem; overflow: hidden; text-overflow: ellipsis; }
.side__biz small { color: var(--muted); font-size: .74rem; text-transform: capitalize; }
.side__section { margin: 14px 12px 6px; font-size: .68rem; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.side__link {
  position: relative; display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 10px; font-weight: 600; font-size: .92rem; color: var(--text-2); white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast);
}
.side__link svg { width: 20px; height: 20px; flex: none; color: var(--c, var(--muted)); transition: transform .4s var(--ease-spring); }
.side__link:hover { background: var(--surface-2); color: var(--text); }
.side__link:hover svg { transform: scale(1.12) rotate(-4deg); }
.side__link.is-active { background: var(--accent-soft); color: var(--text); }
.side__link.is-active::before { content: ""; position: absolute; left: -14px; top: 8px; bottom: 8px; width: 4px; border-radius: 0 4px 4px 0; background: var(--c, var(--accent)); animation: pop-in .3s var(--ease); }
.side__link .count { margin-left: auto; min-width: 22px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--bad); color: #fff; font-size: .7rem; font-weight: 800; display: grid; place-items: center; }
.side__foot { margin-top: auto; padding-top: 14px; display: grid; gap: 4px; }
.is-collapsed .side__brand span, .is-collapsed .side__biz div, .is-collapsed .side__section, .is-collapsed .side__link span, .is-collapsed .side__link .count { display: none; }
.is-collapsed .side__link { justify-content: center; }
.is-collapsed .side__biz { justify-content: center; padding: 8px; }

/* ---------------------------------------------------------------- main + topbar */
.scrim { display: none; }
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 12px; height: 66px; padding: 0 clamp(16px, 3vw, 32px);
  background: var(--glass); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 1.2rem; letter-spacing: -.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__crumb { display: flex; align-items: center; gap: 8px; min-width: 0; }
.topbar__crumb a { color: var(--muted); font-weight: 600; font-size: .92rem; }
.topbar__crumb a:hover { color: var(--text); }
.topbar__actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.search-btn { display: flex; align-items: center; gap: 10px; height: 38px; padding: 0 12px; min-width: 220px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--muted); font-size: .88rem; transition: border-color var(--t-fast); }
.search-btn:hover { border-color: var(--border-strong); }
.search-btn svg { width: 16px; height: 16px; }
.search-btn kbd { margin-left: auto; font: inherit; font-size: .72rem; padding: 2px 6px; border-radius: 6px; background: var(--surface); border: 1px solid var(--border); }
.menu-btn { display: none; }
.user-menu { position: relative; }
.user-menu__btn { display: flex; align-items: center; gap: 8px; padding: 4px; border-radius: 999px; border: 1px solid transparent; background: transparent; transition: background var(--t-fast); }
.user-menu__btn:hover { background: var(--surface-2); }
.user-menu__btn .avatar { width: 34px; height: 34px; background: var(--grad); }
.dropdown {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 60; min-width: 230px; padding: 6px;
  border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-lg);
  opacity: 0; transform: translateY(-6px) scale(.98); transform-origin: top right; visibility: hidden;
  transition: opacity var(--t-fast), transform var(--t-fast) var(--ease), visibility var(--t-fast);
}
.dropdown.is-open { opacity: 1; transform: none; visibility: visible; }
.dropdown__head { padding: 10px 12px; border-bottom: 1px solid var(--border); margin-bottom: 6px; }
.dropdown__head strong { display: block; font-size: .9rem; }
.dropdown__head small { color: var(--muted); font-size: .8rem; }
.dropdown button, .dropdown a { display: flex; width: 100%; align-items: center; gap: 10px; padding: 9px 12px; border: 0; border-radius: 8px; background: transparent; text-align: left; font-size: .9rem; font-weight: 550; color: var(--text-2); }
.dropdown button:hover, .dropdown a:hover { background: var(--surface-2); color: var(--text); }
.dropdown svg { width: 17px; height: 17px; }

.content { padding: clamp(16px, 3vw, 32px); flex: 1; }
.view { animation: view-in .45s var(--ease) both; }
@keyframes view-in { from { opacity: 0; transform: translateY(10px); } }
.banner { display: flex; align-items: center; gap: 12px; padding: 12px 16px; margin-bottom: 20px; border-radius: var(--radius); background: var(--warn-soft); color: var(--warn); font-weight: 600; font-size: .9rem; }

@media (max-width: 980px) {
  .app-shell, .app-shell.is-collapsed { grid-template-columns: 1fr; }
  .side { position: fixed; z-index: 200; left: 0; top: 0; bottom: 0; width: 280px; transform: translateX(-100%); transition: transform var(--t) var(--ease); box-shadow: var(--shadow-lg); }
  .app-shell.is-mobile-open .side { transform: none; }
  .scrim { display: block; position: fixed; inset: 0; z-index: 150; background: rgba(8, 10, 25, .5); opacity: 0; visibility: hidden; transition: opacity var(--t), visibility var(--t); }
  .app-shell.is-mobile-open .scrim { opacity: 1; visibility: visible; }
  .menu-btn { display: inline-grid; }
  .collapse-btn { display: none !important; }
  .search-btn { min-width: 0; }
  .search-btn span, .search-btn kbd { display: none; }
  .is-collapsed .side__brand span, .is-collapsed .side__biz div, .is-collapsed .side__section, .is-collapsed .side__link span { display: revert; }
}

/* ---------------------------------------------------------------- page header */
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.page-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.page-head p { color: var(--muted); margin-top: 4px; }
.page-head__actions { display: flex; flex-wrap: wrap; gap: 8px; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 18px; }
.toolbar .search { position: relative; flex: 1; min-width: 200px; max-width: 360px; }
.toolbar .search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--muted); }
.toolbar .search .input { padding-left: 36px; min-height: 40px; }
.seg { display: inline-flex; padding: 4px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); gap: 2px; }
.seg button { height: 32px; padding: 0 12px; border: 0; border-radius: 8px; background: transparent; font-size: .85rem; font-weight: 650; color: var(--muted); transition: background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast); white-space: nowrap; }
.seg button:hover { color: var(--text); }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
.seg button .n { margin-left: 6px; font-size: .75rem; color: var(--muted); }

/* ---------------------------------------------------------------- stat tiles */
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
@media (max-width: 1100px) { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .tiles { grid-template-columns: 1fr; } }
.tile { position: relative; padding: 20px; overflow: hidden; animation: pop-in .5s var(--ease) both; animation-delay: calc(var(--i, 0) * .06s); }
.tile__icon { position: absolute; right: 16px; top: 16px; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--soft, var(--accent-soft)); color: var(--c, var(--accent)); }
.tile__icon svg { width: 20px; height: 20px; }
.tile small { display: block; font-size: .78rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.tile strong { display: block; margin-top: 10px; font-size: 1.9rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; }
.tile span { display: block; margin-top: 6px; font-size: .84rem; color: var(--muted); font-weight: 550; }
.tile::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--c, var(--accent)); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.tile:hover::after { transform: scaleX(1); }

/* ---------------------------------------------------------------- panels */
.panels { display: grid; gap: 20px; }
.panels--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panels--3-1 { grid-template-columns: 2fr 1fr; }
.panels--1-2 { grid-template-columns: 1fr 2fr; }
@media (max-width: 1100px) { .panels--2, .panels--3-1, .panels--1-2 { grid-template-columns: 1fr; } }
.panel { padding: 20px; animation: pop-in .5s var(--ease) both; animation-delay: calc(var(--i, 0) * .06s); min-width: 0; }
.panel__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
.panel__head h3 { font-size: 1rem; display: flex; align-items: center; gap: 8px; }
.panel__head h3 svg { width: 18px; height: 18px; flex: none; color: var(--muted); }
.panel__head a { font-size: .85rem; font-weight: 650; color: var(--accent); }
.list-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.list-row:last-child { border-bottom: 0; padding-bottom: 0; }
.list-row:first-child { padding-top: 0; }
.list-row .grow { flex: 1; min-width: 0; }
.list-row strong { display: block; font-size: .92rem; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-row small { display: block; color: var(--muted); font-size: .8rem; }
a.list-row { border-radius: 8px; transition: background var(--t-fast); }
a.list-row:hover { background: var(--surface-2); }

.empty { display: grid; place-items: center; gap: 10px; padding: 40px 20px; text-align: center; color: var(--muted); }
.empty__art { width: 72px; height: 72px; border-radius: 22px; display: grid; place-items: center; background: var(--surface-2); color: var(--c, var(--accent)); animation: float 4s ease-in-out infinite; }
.empty__art svg { width: 32px; height: 32px; }
.empty h3 { color: var(--text); font-size: 1.05rem; }
.empty p { max-width: 360px; font-size: .9rem; }
.empty .btn { margin-top: 6px; }

/* ---------------------------------------------------------------- welcome / onboarding */
.welcome { position: relative; overflow: hidden; padding: 28px; margin-bottom: 20px; border-radius: var(--radius-xl); color: #fff; background: #1a1446; isolation: isolate; }
.welcome::before { content: ""; position: absolute; inset: -50%; z-index: -1; background: conic-gradient(from 90deg, #6d5dfc, #3b82f6, #06b6d4, #a855f7, #6d5dfc); filter: blur(70px); opacity: .6; animation: spin 20s linear infinite; }
.welcome h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
.welcome p { color: rgba(255, 255, 255, .8); margin-top: 6px; }
.welcome__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.welcome__steps a { padding: 16px; border-radius: var(--radius); background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .15); backdrop-filter: blur(6px); font-weight: 650; font-size: .9rem; transition: transform var(--t) var(--ease), background var(--t); }
.welcome__steps a:hover { transform: translateY(-3px); background: rgba(255, 255, 255, .18); }
.welcome__steps small { display: block; font-weight: 500; opacity: .75; margin-top: 4px; }
@media (max-width: 900px) { .welcome__steps { grid-template-columns: 1fr 1fr; } }

/* ---------------------------------------------------------------- table */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th { position: sticky; top: 0; padding: 12px 16px; text-align: left; font-size: .75rem; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); background: var(--surface-2); border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr { transition: background var(--t-fast); animation: pop-in .4s var(--ease) both; animation-delay: calc(min(var(--i, 0), 12) * .03s); }
.table tbody tr:hover { background: var(--surface-2); }
.table tbody tr[data-href] { cursor: pointer; }
.table .r { text-align: right; }
.table .who { display: flex; align-items: center; gap: 12px; }
.table .who strong { display: block; font-weight: 650; }
.table .who small { color: var(--muted); }
.row-actions { display: flex; gap: 2px; justify-content: flex-end; opacity: .5; transition: opacity var(--t-fast); }
tr:hover .row-actions, .row-actions:focus-within { opacity: 1; }

/* ---------------------------------------------------------------- kanban */
.board { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 1fr); gap: 14px; overflow-x: auto; padding-bottom: 10px; align-items: start; }
.col { display: flex; flex-direction: column; gap: 10px; padding: 12px; border-radius: var(--radius-lg); background: var(--surface-2); border: 1px solid var(--border); min-height: 240px; transition: background var(--t), border-color var(--t), box-shadow var(--t); }
.col__head { display: flex; align-items: center; gap: 8px; padding: 2px 4px 6px; font-weight: 750; font-size: .88rem; }
.col__head i { width: 9px; height: 9px; border-radius: 50%; background: var(--c, var(--muted)); }
.col__head .n { margin-left: auto; font-size: .78rem; color: var(--muted); background: var(--surface); padding: 1px 8px; border-radius: 999px; }
.col.is-over { background: var(--accent-soft); border-color: var(--accent); border-style: dashed; }
.col__drop { flex: 1; display: grid; gap: 10px; align-content: start; min-height: 60px; }
.kcard {
  padding: 14px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border);
  box-shadow: var(--shadow-sm); cursor: grab; user-select: none;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast), border-color var(--t-fast), opacity var(--t-fast);
  animation: pop-in .4s var(--ease) both; animation-delay: calc(min(var(--i, 0), 10) * .03s);
}
.kcard:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.kcard:active { cursor: grabbing; }
.kcard.is-dragging { opacity: .35; transform: scale(.97); }
.kcard strong { display: block; font-size: .92rem; font-weight: 700; }
.kcard small { display: block; color: var(--muted); font-size: .8rem; margin-top: 2px; }
.kcard__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 10px; }
.kcard__meta .avatar { width: 24px; height: 24px; font-size: .62rem; margin-left: auto; }
.kcard.is-flash { animation: flash 1s var(--ease); }
@keyframes flash { 0% { box-shadow: 0 0 0 0 var(--ring); } 40% { box-shadow: 0 0 0 6px var(--ring); } 100% { box-shadow: var(--shadow-sm); } }
.col__add { display: flex; align-items: center; justify-content: center; gap: 6px; height: 38px; border-radius: 10px; border: 1px dashed var(--border-strong); background: transparent; color: var(--muted); font-weight: 650; font-size: .85rem; transition: all var(--t-fast); }
.col__add:hover { color: var(--accent); border-color: var(--accent); background: var(--surface); }
.col__add svg { width: 16px; height: 16px; }

/* ---------------------------------------------------------------- project cards */
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 16px; }
.pcard { display: flex; flex-direction: column; gap: 14px; padding: 20px; animation: pop-in .45s var(--ease) both; animation-delay: calc(min(var(--i, 0), 12) * .04s); }
.pcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pcard__top { display: flex; align-items: flex-start; gap: 14px; }
.pcard__top .grow { flex: 1; min-width: 0; }
.pcard h3 { font-size: 1.05rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pcard__top small { color: var(--muted); font-size: .85rem; }
.pcard__foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: .84rem; margin-top: auto; }
.due { display: inline-flex; align-items: center; gap: 6px; font-weight: 650; font-size: .82rem; color: var(--muted); }
.due svg { width: 15px; height: 15px; }
.due--overdue { color: var(--bad); }
.due--soon { color: var(--warn); }
.due--done { color: var(--ok); }
.ring { --size: 54px; position: relative; width: var(--size); height: var(--size); flex: none; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 6; }
.ring .bg { stroke: var(--surface-3); }
.ring .fg { stroke: var(--c, var(--accent)); stroke-linecap: round; stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: ring-in 1.2s var(--ease) .15s forwards; }
@keyframes ring-in { to { stroke-dashoffset: var(--off); } }
.ring b { position: absolute; inset: 0; display: grid; place-items: center; font-size: .78rem; font-weight: 800; }

/* ---------------------------------------------------------------- detail header */
.detail-hero { position: relative; overflow: hidden; padding: 24px; margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.detail-hero::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--c, var(--grad)); }
.detail-hero .grow { flex: 1; min-width: 220px; }
.detail-hero h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
.detail-hero .meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 10px; color: var(--muted); font-size: .9rem; }
.detail-hero .meta span { display: inline-flex; align-items: center; gap: 6px; }
.detail-hero .meta svg { width: 16px; height: 16px; }
.big-avatar { width: 64px; height: 64px; border-radius: 20px; display: grid; place-items: center; font-weight: 800; font-size: 1.3rem; color: #fff; background: var(--c, var(--grad)); flex: none; }

/* ---------------------------------------------------------------- checklist */
.checklist { display: grid; gap: 6px; }
.ck { display: flex; align-items: center; gap: 12px; padding: 8px 10px; border-radius: 10px; transition: background var(--t-fast); }
.ck:hover { background: var(--surface-2); }
.ck input[type="checkbox"] { appearance: none; width: 22px; height: 22px; border-radius: 7px; border: 2px solid var(--border-strong); display: grid; place-items: center; cursor: pointer; transition: all var(--t-fast) var(--ease); flex: none; }
.ck input[type="checkbox"]::after { content: ""; width: 10px; height: 5px; border: solid #fff; border-width: 0 0 2.5px 2.5px; transform: rotate(-45deg) scale(0); margin-top: -2px; transition: transform .25s var(--ease-spring); }
.ck input[type="checkbox"]:checked { background: var(--ok); border-color: var(--ok); }
.ck input[type="checkbox"]:checked::after { transform: rotate(-45deg) scale(1); }
.ck span { flex: 1; font-size: .92rem; font-weight: 550; transition: color var(--t-fast); }
.ck.is-done span { color: var(--muted); text-decoration: line-through; }
.ck .icon-btn { opacity: 0; }
.ck:hover .icon-btn, .ck .icon-btn:focus { opacity: 1; }
.inline-add { display: flex; gap: 8px; margin-top: 10px; }
.inline-add .input { min-height: 40px; }

/* ---------------------------------------------------------------- dropzone */
.dropzone { display: grid; place-items: center; gap: 6px; padding: 26px; border-radius: var(--radius); border: 2px dashed var(--border-strong); text-align: center; color: var(--muted); font-size: .9rem; cursor: pointer; transition: all var(--t-fast); }
.dropzone svg { width: 28px; height: 28px; color: var(--accent); }
.dropzone:hover, .dropzone.is-over { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.dropzone strong { color: var(--text); }

/* ---------------------------------------------------------------- modal / drawer */
.overlay { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; padding: 16px; }
.overlay__bg { position: absolute; inset: 0; background: rgba(8, 10, 25, .5); backdrop-filter: blur(4px); animation: fade .25s var(--ease); }
@keyframes fade { from { opacity: 0; } }
.overlay.is-closing .overlay__bg { animation: fade .2s reverse forwards; }
.dialog { position: relative; width: min(var(--w, 520px), 100%); max-height: calc(100vh - 32px); display: flex; flex-direction: column; border-radius: var(--radius-xl); background: var(--surface); box-shadow: var(--shadow-lg); animation: dialog-in .4s var(--ease-spring); }
.overlay.is-closing .dialog { animation: dialog-out .2s var(--ease) forwards; }
@keyframes dialog-in { from { opacity: 0; transform: translateY(24px) scale(.96); } }
@keyframes dialog-out { to { opacity: 0; transform: translateY(12px) scale(.97); } }
.dialog__head { display: flex; align-items: center; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.dialog__head h3 { font-size: 1.1rem; }
.dialog__head .icon-btn { margin-left: auto; }
.dialog__body { padding: 22px; overflow-y: auto; }
.dialog__foot { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 22px; border-top: 1px solid var(--border); background: var(--surface-2); border-radius: 0 0 var(--radius-xl) var(--radius-xl); }
.dialog__foot .left { margin-right: auto; }
.confirm-icon { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: var(--bad-soft); color: var(--bad); margin-bottom: 14px; }
.confirm-icon svg { width: 24px; height: 24px; }

.overlay--drawer { place-items: stretch end; padding: 0; }
.drawer { position: relative; width: min(560px, 100vw); height: 100%; display: flex; flex-direction: column; background: var(--surface); box-shadow: var(--shadow-lg); animation: drawer-in .4s var(--ease); }
.overlay.is-closing .drawer { animation: drawer-out .25s var(--ease) forwards; }
@keyframes drawer-in { from { transform: translateX(100%); } }
@keyframes drawer-out { to { transform: translateX(100%); } }
.drawer__body { flex: 1; overflow-y: auto; padding: 22px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: -4px 0 18px; overflow-x: auto; }
.tabs button { position: relative; padding: 10px 14px; border: 0; background: transparent; font-weight: 650; font-size: .9rem; color: var(--muted); white-space: nowrap; }
.tabs button::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: -1px; height: 2px; border-radius: 2px; background: var(--accent); transform: scaleX(0); transition: transform var(--t) var(--ease); }
.tabs button[aria-selected="true"] { color: var(--text); }
.tabs button[aria-selected="true"]::after { transform: scaleX(1); }
.tabpanel { animation: pop-in .3s var(--ease); }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 10px 16px; font-size: .92rem; }
.kv dt { color: var(--muted); font-weight: 600; }
.kv dd { margin: 0; word-break: break-word; }
.notes { white-space: pre-wrap; padding: 14px; border-radius: var(--radius); background: var(--surface-2); font-size: .9rem; color: var(--text-2); }

/* line items */
.items { display: grid; gap: 8px; }
.item-row { display: grid; grid-template-columns: 1fr 80px 110px 90px 34px; gap: 8px; align-items: center; animation: pop-in .3s var(--ease); }
.item-row .input { min-height: 40px; padding: 8px 10px; }
.item-row output { text-align: right; font-weight: 700; font-size: .9rem; }
.items__head { display: grid; grid-template-columns: 1fr 80px 110px 90px 34px; gap: 8px; font-size: .72rem; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.items__head span:nth-child(4) { text-align: right; }
.total-line { display: flex; justify-content: flex-end; align-items: baseline; gap: 14px; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); }
.total-line strong { font-size: 1.5rem; font-weight: 800; }
@media (max-width: 560px) {
  .items__head { display: none; }
  .item-row { grid-template-columns: 1fr 1fr; }
  .item-row .input:first-child { grid-column: 1 / -1; }
}

/* invoice document view */
.inv-doc { padding: 28px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.inv-doc__head { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.inv-doc__head h2 { font-size: 1.6rem; }
.inv-doc table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.inv-doc th { text-align: left; padding: 10px 0; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); border-bottom: 2px solid var(--border); }
.inv-doc td { padding: 12px 0; border-bottom: 1px solid var(--border); }
.inv-doc .r { text-align: right; }
.inv-doc tfoot td { border: 0; font-weight: 800; font-size: 1.1rem; padding-top: 16px; }

/* ---------------------------------------------------------------- command palette */
.palette { width: min(620px, 100%); align-self: start; margin-top: 12vh; border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-lg); overflow: hidden; animation: dialog-in .3s var(--ease-spring); }
.palette__input { display: flex; align-items: center; gap: 12px; padding: 0 18px; border-bottom: 1px solid var(--border); }
.palette__input svg { width: 20px; height: 20px; color: var(--muted); }
.palette__input input { flex: 1; height: 60px; border: 0; background: transparent; font-size: 1.05rem; outline: none; }
.palette__list { max-height: 50vh; overflow-y: auto; padding: 8px; }
.palette__group { padding: 10px 12px 4px; font-size: .7rem; font-weight: 750; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.palette__item { display: flex; align-items: center; gap: 12px; width: 100%; padding: 11px 12px; border: 0; border-radius: 10px; background: transparent; text-align: left; font-weight: 600; font-size: .93rem; }
.palette__item svg { width: 18px; height: 18px; color: var(--c, var(--muted)); }
.palette__item small { margin-left: auto; color: var(--muted); font-weight: 500; font-size: .8rem; }
.palette__item.is-active { background: var(--accent-soft); color: var(--text); }
.palette__empty { padding: 30px; text-align: center; color: var(--muted); }

/* ---------------------------------------------------------------- charts */
.chart { position: relative; }
.chart svg { width: 100%; height: auto; overflow: visible; }
.chart .grid-line { stroke: var(--border); stroke-dasharray: 3 5; }
.chart .axis { fill: var(--muted); font-size: 11px; font-weight: 600; font-family: var(--font); }
.chart .bar { transform-box: fill-box; transform-origin: bottom; animation: grow .9s var(--ease) both; animation-delay: calc(var(--i) * .05s); transition: opacity var(--t-fast); }
.chart:hover .bar { opacity: .55; }
.chart .bar:hover, .chart .bar.is-hot { opacity: 1; }
.chart .line { fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 2000; stroke-dashoffset: 2000; animation: draw 1.6s var(--ease) .3s forwards; }
.chart .dot { transform-box: fill-box; transform-origin: center; animation: pop-in .4s var(--ease-spring) both; animation-delay: calc(.6s + var(--i) * .05s); }
.chart-tip { position: absolute; z-index: 5; pointer-events: none; padding: 8px 12px; border-radius: 10px; background: var(--text); color: var(--bg); font-size: .8rem; font-weight: 600; white-space: nowrap; box-shadow: var(--shadow-lg); transform: translate(-50%, calc(-100% - 10px)); opacity: 0; transition: opacity var(--t-fast); }
.chart-tip.is-visible { opacity: 1; }
.chart-tip b { display: block; font-size: .95rem; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: .82rem; font-weight: 600; color: var(--text-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; background: var(--c); }
.donut-wrap { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.donut { position: relative; width: 170px; height: 170px; flex: none; }
.donut svg { transform: rotate(-90deg); }
.donut circle { fill: none; stroke-width: 18; transition: stroke-width var(--t-fast); }
.donut .seg { stroke-dasharray: 0 1000; animation: donut-in 1.2s var(--ease) both; animation-delay: calc(var(--i) * .12s); }
.donut .seg:hover { stroke-width: 22; }
@keyframes donut-in { from { stroke-dasharray: 0 1000; } to { stroke-dasharray: var(--dash); } }
.donut__center { position: absolute; inset: 0; display: grid; place-items: center; align-content: center; text-align: center; }
.donut__center strong { font-size: 1.6rem; font-weight: 800; line-height: 1; }
.donut__center small { color: var(--muted); font-size: .78rem; font-weight: 600; margin-top: 4px; }
.hbar { display: grid; gap: 12px; }
.hbar__row { display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: 12px; font-size: .88rem; }
.hbar__row span { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hbar__row b { font-size: .85rem; }
.hbar__track { height: 12px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.hbar__track i { display: block; height: 100%; width: var(--w); border-radius: inherit; background: var(--c, var(--grad)); transform-origin: left; animation: bar-in 1s var(--ease) both; animation-delay: calc(var(--i) * .07s); }
@keyframes bar-in { from { transform: scaleX(0); } }
@keyframes grow { from { transform: scaleY(0); } }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* funnel */
.funnel { display: grid; gap: 8px; }
.funnel__row { display: grid; grid-template-columns: 90px 1fr 40px; align-items: center; gap: 10px; font-size: .86rem; font-weight: 600; }
.funnel__bar { height: 28px; border-radius: 8px; background: var(--c); width: max(var(--w), 3%); transform-origin: left; animation: bar-in .9s var(--ease) both; animation-delay: calc(var(--i) * .07s); opacity: .9; }

/* ---------------------------------------------------------------- auth screen */
.auth { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; }
.auth__art { position: relative; overflow: hidden; isolation: isolate; display: flex; flex-direction: column; justify-content: space-between; padding: 44px; color: #fff; background: #120f38; }
.auth__art::before { content: ""; position: absolute; inset: -40%; z-index: -1; background: conic-gradient(from 0deg, #6d5dfc, #3b82f6, #06b6d4, #a855f7, #6d5dfc); filter: blur(90px); opacity: .6; animation: spin 24s linear infinite; }
.auth__art h2 { font-size: clamp(2rem, 3.5vw, 3rem); letter-spacing: -.035em; max-width: 480px; }
.auth__art p { margin-top: 14px; max-width: 420px; color: rgba(255, 255, 255, .78); font-size: 1.05rem; }
.auth__chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.auth__chips span { padding: 8px 14px; border-radius: 999px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .18); font-weight: 650; font-size: .85rem; backdrop-filter: blur(6px); animation: fade-up .8s var(--ease) both; animation-delay: calc(.3s + var(--i) * .1s); }
.auth__form { display: grid; place-items: center; padding: 40px 20px; position: relative; }
.auth__box { width: min(400px, 100%); animation: fade-up .7s var(--ease) both; }
.auth__box h1 { font-size: 2rem; }
.auth__box > p { color: var(--muted); margin: 8px 0 28px; }
.auth__theme { position: absolute; top: 20px; right: 20px; }
.pw-wrap { position: relative; }
.pw-wrap .icon-btn { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); }
@media (max-width: 860px) { .auth { grid-template-columns: 1fr; } .auth__art { display: none; } }

/* full-screen state (loading / inactive) */
.fullscreen { min-height: 100vh; display: grid; place-items: center; padding: 20px; text-align: center; }
.fullscreen .card { padding: 36px; max-width: 480px; }
.fullscreen h1 { font-size: 1.6rem; margin: 14px 0 8px; }
.fullscreen p { color: var(--muted); }
.boot-logo { width: 56px; height: 56px; animation: boot 1.2s var(--ease) infinite alternate; }
@keyframes boot { to { transform: scale(1.12) rotate(-8deg); filter: drop-shadow(0 10px 20px var(--ring)); } }

/* ---------------------------------------------------------------- print (invoice) */
@media print {
  .side, .topbar, .banner, .page-head__actions, .toasts { display: none !important; }
  .app-shell { display: block; }
  .card { box-shadow: none; break-inside: avoid; }
  /* With an invoice open, print only the invoice document. */
  body:has(.inv-doc) * { visibility: hidden; }
  body:has(.inv-doc) .inv-doc, body:has(.inv-doc) .inv-doc * { visibility: visible; }
  .inv-doc { position: absolute; left: 0; top: 0; width: 100%; border: 0; }
}