/* apps.css — styling for all bundled applications */

/* generic app layout pieces */
.app-toolbar {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 10px;
  background: var(--win-header);
  border-bottom: 1px solid var(--card-border);
  flex: none;
}
.app-toolbar .spacer { flex: 1; }
.tb-icon-btn {
  width: 32px; height: 32px; border-radius: 6px;
  border: none; background: transparent; color: var(--win-fg);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background .12s;
}
.tb-icon-btn:hover { background: var(--hover); }
.tb-icon-btn:active { background: var(--active); }
.tb-icon-btn:disabled { opacity: .35; pointer-events: none; }
.tb-icon-btn.active { background: var(--accent-soft); color: var(--accent); }
.app-statusbar {
  flex: none; display: flex; align-items: center; gap: 14px;
  padding: 4px 12px;
  font-size: 12.5px; color: var(--win-fg-dim);
  background: var(--win-bg);
  border-top: 1px solid var(--card-border);
}

/* ============ Files ============ */
.files-app { display: flex; flex: 1; min-height: 0; }
.files-sidebar {
  width: 200px; flex: none;
  background: var(--win-sidebar);
  border-right: 1px solid var(--card-border);
  padding: 8px 6px;
  overflow-y: auto;
}
.files-sidebar .side-label { font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--win-fg-dim); padding: 8px 12px 4px; }
.side-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 12px; border-radius: 8px;
  font-size: 13.5px; cursor: pointer; color: var(--win-fg);
}
.side-item:hover { background: var(--hover); }
.side-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.side-item .u-icon { opacity: .8; }

.files-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.path-bar { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; background: var(--entry-bg); border: 1px solid var(--entry-border); border-radius: 7px; padding: 2px 4px; }
.path-bar::-webkit-scrollbar { display: none; }
.crumb {
  border: none; background: transparent; color: var(--win-fg);
  font-family: var(--font); font-size: 13.5px;
  padding: 5px 9px; border-radius: 6px; cursor: pointer;
  display: flex; align-items: center; gap: 6px; white-space: nowrap;
}
.crumb:hover { background: var(--hover); }
.crumb.current { font-weight: 700; }
.crumb-sep { opacity: .4; font-size: 12px; flex: none; }
.path-entry { flex: 1; min-width: 120px; border: none; background: transparent; color: var(--win-fg); font-family: var(--font-mono); font-size: 13px; outline: none; padding: 6px; }

.files-view { flex: 1; overflow-y: auto; padding: 10px; background: var(--view-bg); position: relative; outline: none; }
.files-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 4px; }
.f-item {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 10px 6px; border-radius: 9px; cursor: default;
  border: 1px solid transparent;
}
.f-item:hover { background: var(--hover); }
.f-item.selected { background: var(--accent-softer); border-color: var(--accent-soft); }
.f-item.cut { opacity: .45; }
.f-item .f-name {
  font-size: 12.5px; text-align: center; word-break: break-word;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  line-height: 1.25; max-height: 2.5em;
}
.f-item .f-rename {
  width: 96px; font-size: 12.5px; text-align: center;
  border: 1px solid var(--accent); border-radius: 5px; background: var(--entry-bg); color: var(--win-fg);
  outline: none; padding: 3px 6px; font-family: var(--font);
}

.files-list { display: flex; flex-direction: column; }
.fl-head, .fl-row { display: grid; grid-template-columns: 24px minmax(180px, 3fr) 110px 150px; gap: 8px; align-items: center; padding: 5px 10px; }
.fl-head { font-size: 12px; font-weight: 700; color: var(--win-fg-dim); border-bottom: 1px solid var(--card-border); position: sticky; top: -10px; background: var(--view-bg); z-index: 2; padding-top: 8px; }
.fl-row { border-radius: 7px; font-size: 13.5px; }
.fl-row:hover { background: var(--hover); }
.fl-row.selected { background: var(--accent-softer); }
.fl-row.cut { opacity: .45; }
.fl-row .fl-name { display: flex; align-items: center; gap: 10px; min-width: 0; }
.fl-row .fl-name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fl-row .fl-size, .fl-row .fl-date { font-size: 12.5px; color: var(--win-fg-dim); }
.fl-row .f-rename { font-size: 13px; border: 1px solid var(--accent); border-radius: 5px; background: var(--entry-bg); color: var(--win-fg); padding: 3px 8px; outline: none; font-family: var(--font); }

.files-empty {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  color: var(--win-fg-dim);
}
.files-empty .big { font-size: 19px; font-weight: 500; color: var(--win-fg); opacity: .75; }
.files-empty .sub { font-size: 13.5px; }
.search-info { padding: 6px 12px; background: var(--accent-softer); color: var(--win-fg); font-size: 12.5px; border-bottom: 1px solid var(--card-border); display: flex; align-items: center; gap: 8px; }
.search-info button { margin-left: auto; border: none; background: transparent; color: var(--win-fg); cursor: pointer; border-radius: 50%; width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; }
.search-info button:hover { background: var(--hover); }

/* ============ Text Editor ============ */
.editor-textarea {
  flex: 1; border: none; outline: none; resize: none;
  padding: 14px 18px;
  font-family: var(--font-mono); font-size: 14px; line-height: 1.55;
  background: var(--view-bg); color: var(--win-fg);
  tab-size: 4;
}
.editor-doc-label { display: flex; align-items: center; gap: 7px; font-size: 14px; }
.editor-doc-label .dot { color: var(--accent); font-size: 20px; line-height: 0; }
.editor-infobar {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; font-size: 13px;
  background: #fff3cd; color: #5b4a12;
  border-bottom: 1px solid rgba(0,0,0,.08);
}
body.dark .editor-infobar { background: #4d4021; color: #ffe9a8; }

/* file chooser dialog */
.chooser { display: flex; height: 380px; text-align: left; }
.chooser-side { width: 140px; border-right: 1px solid var(--card-border); padding: 8px 6px; overflow-y: auto; }
.chooser-main { flex: 1; overflow-y: auto; padding: 8px; }
.chooser-item { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 7px; font-size: 13.5px; cursor: default; }
.chooser-item:hover { background: var(--menu-hover); }
.chooser-item.selected { background: var(--accent-soft); }

/* ============ Terminal ============ */
.terminal-body {
  flex: 1; overflow-y: auto;
  background: rgba(30, 4, 28, 0.96);
  padding: 8px 10px;
  font-family: var(--font-mono); font-size: 13.5px; line-height: 1.38;
  color: #f2f2f2; cursor: text;
  white-space: pre-wrap; word-break: break-word;
}
.terminal-body .t-line { min-height: 1.38em; }
.terminal-body .prompt-user { color: #8ae234; font-weight: 700; }
.terminal-body .prompt-at { color: #f2f2f2; }
.terminal-body .prompt-host { color: #8ae234; font-weight: 700; }
.terminal-body .prompt-path { color: #729fcf; font-weight: 700; }
.terminal-body .dir { color: #729fcf; font-weight: 700; }
.terminal-body .exec { color: #8ae234; font-weight: 700; }
.terminal-body .err { color: #ef2929; }
.terminal-body .dim { color: #9a9a9a; }
.terminal-body .warn { color: #fce94f; }
.terminal-input-row { display: flex; }
.terminal-input-row .t-echo { white-space: pre-wrap; word-break: break-word; }
.terminal-input-row .t-input {
  flex: 1; border: none; outline: none; background: transparent;
  color: #f2f2f2; font-family: var(--font-mono); font-size: 13.5px;
  caret-color: #f2f2f2; padding: 0;
}
.neofetch-row { display: flex; gap: 22px; }
.neofetch-logo { color: #E95420; white-space: pre; line-height: 1.15; font-size: 13.5px; }
.neofetch-info { white-space: pre-wrap; }
.neofetch-info .nf-k { color: #E95420; font-weight: 700; }
.neofetch-colors { display: flex; margin-top: 6px; }
.neofetch-colors span { width: 22px; height: 14px; display: inline-block; }

/* ============ Settings ============ */
.settings-app { display: flex; flex: 1; min-height: 0; }
.settings-side { width: 230px; flex: none; background: var(--win-sidebar); border-right: 1px solid var(--card-border); padding: 10px 8px; overflow-y: auto; }
.settings-side .side-item { gap: 12px; padding: 9px 12px; }
.settings-main { flex: 1; overflow-y: auto; padding: 22px 30px 40px; min-width: 0; }
.settings-main h1 { font-size: 21px; font-weight: 700; margin-bottom: 18px; }
.set-group { background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; margin-bottom: 18px; overflow: hidden; }
.set-row { display: flex; align-items: center; gap: 14px; padding: 13px 16px; border-bottom: 1px solid var(--card-border); }
.set-row:last-child { border-bottom: none; }
.set-row .grow { flex: 1; min-width: 0; }
.set-row .t { font-weight: 500; font-size: 14px; }
.set-row .s { font-size: 12.5px; color: var(--win-fg-dim); margin-top: 2px; }
.set-row.clickable { cursor: pointer; }
.set-row.clickable:hover { background: var(--hover); }
.set-note { font-size: 12.5px; color: var(--win-fg-dim); margin: -10px 0 16px 4px; }

.style-cards { display: flex; gap: 14px; padding: 4px 0 8px; }
.style-card { cursor: pointer; text-align: center; }
.style-card .preview {
  width: 128px; height: 84px; border-radius: 10px; overflow: hidden;
  border: 2px solid var(--card-border);
  position: relative; margin-bottom: 7px;
  transition: border-color .15s;
}
.style-card.sel .preview { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.style-card .preview .bar { height: 16px; }
.style-card .preview .body { position: absolute; inset: 16px 0 0 0; }
.style-card .preview .win { position: absolute; left: 12px; top: 12px; right: 12px; bottom: 10px; border-radius: 5px; }
.style-card .cap { font-size: 13.5px; }

.accent-grid { display: flex; flex-wrap: wrap; gap: 12px; padding: 4px 0; }
.accent-dot {
  width: 30px; height: 30px; border-radius: 50%;
  cursor: pointer; border: none; padding: 0;
  display: flex; align-items: center; justify-content: center;
  transition: transform .12s;
  color: #fff;
}
.accent-dot:hover { transform: scale(1.12); }
.accent-dot.sel { box-shadow: 0 0 0 3px var(--win-content-bg), 0 0 0 5px currentColor; }

.wall-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.wall-thumb { cursor: pointer; }
.wall-thumb img, .wall-thumb .wt {
  width: 100%; aspect-ratio: 16/10; object-fit: cover;
  border-radius: 9px; border: 2px solid var(--card-border);
  display: block;
  transition: border-color .15s, transform .15s;
}
.wall-thumb:hover .wt { transform: scale(1.02); }
.wall-thumb.sel .wt { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.wall-thumb .wt-name { font-size: 12px; text-align: center; margin-top: 5px; color: var(--win-fg-dim); }

.wifi-net-row .sig-ic { opacity: .65; }
.about-hero { display: flex; flex-direction: column; align-items: center; padding: 12px 0 22px; gap: 8px; }
.about-hero .dev-name { font-size: 19px; font-weight: 700; }
.about-hero .os-name { color: var(--win-fg-dim); font-size: 13.5px; }
.about-logo { color: var(--accent); }

.seg-toggle { display: inline-flex; background: var(--trough); border-radius: 8px; padding: 3px; gap: 2px; }
.seg-toggle button {
  border: none; background: transparent; color: var(--win-fg);
  padding: 5px 16px; border-radius: 6px; cursor: pointer; font-family: var(--font); font-size: 13.5px;
}
.seg-toggle button.sel { background: var(--win-content-bg); box-shadow: 0 1px 3px rgba(0,0,0,.25); font-weight: 500; }

select.u-select {
  font-family: var(--font); font-size: 13.5px;
  padding: 6px 10px; border-radius: 7px;
  border: 1px solid var(--entry-border); background: var(--entry-bg); color: var(--win-fg);
  outline: none;
}

.avatar-big {
  width: 84px; height: 84px; border-radius: 50%;
  background: var(--aubergine-mid); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 500; flex: none;
}

/* ============ Calculator ============ */
.calc-app { display: flex; flex-direction: column; flex: 1; background: var(--win-bg); }
.calc-display {
  padding: 22px 18px 12px; text-align: right;
  background: var(--win-header);
  border-bottom: 1px solid var(--card-border);
  overflow: hidden;
}
.calc-eq { font-size: 14px; color: var(--win-fg-dim); min-height: 20px; }
.calc-out { font-size: 38px; font-weight: 300; white-space: nowrap; overflow-x: auto; scrollbar-width: none; }
.calc-grid { flex: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--card-border); }
.calc-btn {
  border: none; background: var(--win-content-bg); color: var(--win-fg);
  font-size: 20px; font-family: var(--font); cursor: pointer;
  transition: background .1s;
}
.calc-btn:hover { background: var(--hover); }
.calc-btn:active { background: var(--active); }
.calc-btn.op { color: var(--accent); font-weight: 500; }
.calc-btn.eq { background: var(--accent); color: var(--accent-fg); font-weight: 500; }
.calc-btn.eq:hover { filter: brightness(1.1); }
.calc-btn.fn { font-size: 16px; color: var(--win-fg-dim); }

/* ============ Browser ============ */
.browser-app { display: flex; flex-direction: column; flex: 1; min-height: 0; background: var(--win-bg); }
.browser-tabs { display: flex; align-items: flex-end; gap: 3px; padding: 6px 8px 0; background: var(--win-header); flex: none; }
.browser-tab {
  display: flex; align-items: center; gap: 8px;
  max-width: 210px; min-width: 130px; flex: 1;
  padding: 8px 10px 7px;
  border-radius: 9px 9px 0 0;
  font-size: 13px; cursor: pointer;
  background: transparent; color: var(--win-fg-dim);
  border: 1px solid transparent; border-bottom: none;
}
.browser-tab.active { background: var(--win-content-bg); color: var(--win-fg); border-color: var(--card-border); }
.browser-tab:not(.active):hover { background: var(--hover); }
.browser-tab .t-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.browser-tab .t-close { border: none; background: transparent; color: inherit; width: 20px; height: 20px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: .6; }
.browser-tab .t-close:hover { background: var(--active); opacity: 1; }
.browser-newtab { margin: 0 4px 4px; }
.browser-nav {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 10px; background: var(--win-content-bg);
  border-bottom: 1px solid var(--card-border); flex: none;
}
.browser-url {
  flex: 1; display: flex; align-items: center; gap: 8px;
  background: var(--entry-bg); border: 1px solid var(--entry-border);
  border-radius: 999px; padding: 2px 14px 2px 12px;
}
.browser-url input { flex: 1; border: none; background: transparent; outline: none; color: var(--win-fg); font-family: var(--font); font-size: 13.5px; padding: 7px 0; }
.browser-url .u-icon { opacity: .6; }
.browser-progress { height: 2.5px; background: var(--accent); width: 0; transition: width .25s ease; flex: none; }
.browser-view { flex: 1; overflow-y: auto; background: var(--view-bg); position: relative; }

.ff-home { max-width: 760px; margin: 0 auto; padding: 56px 30px; text-align: center; }
.ff-logo { font-size: 44px; font-weight: 700; margin-bottom: 26px; background: linear-gradient(90deg, #ff7139, #e9501d); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ff-search { display: flex; align-items: center; gap: 10px; background: var(--entry-bg); border: 1px solid var(--entry-border); border-radius: 999px; padding: 13px 22px; box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.ff-search input { flex: 1; border: none; background: transparent; outline: none; font-size: 15px; color: var(--win-fg); font-family: var(--font); }
.ff-tiles { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 42px; }
.ff-tile { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 14px 6px; border-radius: 10px; cursor: pointer; }
.ff-tile:hover { background: var(--hover); }
.ff-tile .tile-ic { width: 46px; height: 46px; border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 19px; }
.ff-tile .tile-name { font-size: 12px; color: var(--win-fg-dim); }

.web-error { max-width: 520px; margin: 70px auto; text-align: center; padding: 0 24px; }
.web-error h1 { font-size: 21px; margin: 18px 0 10px; }
.web-error p { color: var(--win-fg-dim); font-size: 14px; line-height: 1.5; margin-bottom: 22px; }
.web-error code { background: var(--hover); padding: 2px 8px; border-radius: 5px; font-size: 13px; }

.search-results-page { max-width: 640px; margin: 24px auto; padding: 0 24px; text-align: left; }
.sr-item { margin-bottom: 22px; cursor: pointer; }
.sr-item .url { font-size: 12.5px; color: #4d7c4d; }
body.dark .sr-item .url { color: #7fbf7f; }
.sr-item .t { font-size: 18px; color: var(--link); margin: 2px 0; }
.sr-item .d { font-size: 13.5px; color: var(--win-fg-dim); line-height: 1.4; }

.mock-ubuntu-hero { background: linear-gradient(120deg, #2c001e, #772953 60%, #E95420); color: #fff; padding: 60px 40px; }
.mock-ubuntu-hero h1 { font-size: 38px; font-weight: 300; margin-bottom: 12px; }
.mock-ubuntu-hero p { opacity: .85; max-width: 520px; line-height: 1.5; }
.mock-btn { display: inline-block; margin-top: 22px; background: #E95420; color: #fff; border: none; padding: 11px 26px; border-radius: 4px; font-size: 15px; cursor: pointer; font-family: var(--font); }
.mock-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 34px 40px; }
.mock-card { border: 1px solid var(--card-border); border-radius: 8px; padding: 20px; background: var(--card); }
.mock-card h3 { margin-bottom: 8px; font-size: 16px; }
.mock-card p { font-size: 13px; color: var(--win-fg-dim); line-height: 1.5; }

.wiki-page { max-width: 720px; margin: 0 auto; padding: 30px 36px; font-family: var(--font); }
.wiki-page h1 { font-size: 28px; font-weight: 400; border-bottom: 1px solid var(--card-border); padding-bottom: 8px; margin-bottom: 4px; font-family: Georgia, serif; }
.wiki-page .wsub { color: var(--win-fg-dim); font-size: 13px; margin-bottom: 18px; }
.wiki-page p { font-size: 14px; line-height: 1.65; margin-bottom: 14px; }
.wiki-infobox { float: right; width: 240px; margin: 0 0 16px 20px; border: 1px solid var(--card-border); background: var(--card); font-size: 12.5px; }
.wiki-infobox .ib-head { background: var(--accent-softer); padding: 8px 10px; font-weight: 700; text-align: center; }
.wiki-infobox .ib-row { padding: 6px 10px; border-top: 1px solid var(--card-border); display: flex; gap: 8px; }
.wiki-infobox .ib-row b { flex: none; }

/* ============ Software ============ */
.software-app { display: flex; flex: 1; min-height: 0; }
.sw-side { width: 190px; flex: none; background: var(--win-sidebar); border-right: 1px solid var(--card-border); padding: 10px 8px; }
.sw-main { flex: 1; overflow-y: auto; min-width: 0; }
.sw-banner {
  margin: 18px; border-radius: 14px; overflow: hidden;
  background: linear-gradient(110deg, #3d0c41, #772953 55%, #E95420 130%);
  color: #fff; padding: 34px 38px; position: relative;
}
.sw-banner h1 { font-size: 27px; font-weight: 300; margin-bottom: 8px; }
.sw-banner p { opacity: .85; max-width: 460px; font-size: 14px; line-height: 1.5; }
.sw-section { padding: 4px 22px 18px; }
.sw-section h2 { font-size: 18px; font-weight: 500; margin-bottom: 12px; }
.sw-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.sw-card {
  display: flex; gap: 14px; align-items: center;
  border: 1px solid var(--card-border); border-radius: 12px;
  padding: 14px; background: var(--card); cursor: pointer;
  transition: box-shadow .15s;
}
.sw-card:hover { box-shadow: var(--shadow-1); }
.sw-card .grow { flex: 1; min-width: 0; }
.sw-card .name { font-weight: 500; font-size: 14.5px; }
.sw-card .sum { font-size: 12.5px; color: var(--win-fg-dim); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sw-card .meta { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--win-fg-dim); margin-top: 5px; }
.sw-install {
  border: none; border-radius: 999px; padding: 7px 18px;
  background: var(--accent); color: var(--accent-fg);
  font-family: var(--font); font-size: 13px; cursor: pointer; flex: none;
}
.sw-install:hover { filter: brightness(1.08); }
.sw-install.installed { background: var(--trough); color: var(--win-fg); }
.sw-progress { width: 92px; height: 6px; border-radius: 3px; background: var(--trough); overflow: hidden; flex: none; }
.sw-progress .bar { height: 100%; background: var(--accent); width: 0; transition: width .18s linear; }

.sw-detail { max-width: 640px; margin: 0 auto; padding: 30px 24px; }
.sw-detail-head { display: flex; gap: 20px; align-items: center; margin-bottom: 20px; }
.sw-detail-head .name { font-size: 23px; font-weight: 700; }
.sw-detail-head .dev { color: var(--win-fg-dim); font-size: 13px; margin-top: 3px; }
.sw-shot { border-radius: 12px; border: 1px solid var(--card-border); margin: 14px 0; overflow: hidden; }
.sw-desc { font-size: 14px; line-height: 1.6; color: var(--win-fg); }
.sw-update-row { display: flex; align-items: center; gap: 14px; padding: 13px 4px; border-bottom: 1px solid var(--card-border); }

/* ============ Image Viewer ============ */
.iv-app { display: flex; flex-direction: column; flex: 1; background: #1b1b1b; color: #eee; }
.iv-stage { flex: 1; display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; }
.iv-stage img, .iv-stage .iv-img { max-width: 100%; max-height: 100%; user-select: none; -webkit-user-drag: none; transition: transform .15s ease; }
.iv-toolbar { display: flex; align-items: center; gap: 4px; padding: 6px 10px; background: #111; flex: none; }
.iv-toolbar .tb-icon-btn { color: #eee; }
.iv-toolbar .tb-icon-btn:hover { background: rgba(255,255,255,.12); }
.iv-status { padding: 5px 12px; font-size: 12px; color: #aaa; background: #111; border-top: 1px solid #2a2a2a; display: flex; gap: 14px; }
.iv-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 64px; border: none; border-radius: 8px; background: rgba(255,255,255,.08); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .15s; }
.iv-stage:hover .iv-nav { opacity: 1; }
.iv-nav:hover { background: rgba(255,255,255,.2); }
.iv-nav.prev { left: 10px; } .iv-nav.next { right: 10px; }

/* ============ System Monitor ============ */
.sm-app { display: flex; flex-direction: column; flex: 1; min-height: 0; }
.sm-tabs { display: flex; gap: 2px; padding: 0 10px; background: var(--win-header); border-bottom: 1px solid var(--card-border); flex: none; }
.sm-tab { border: none; background: transparent; color: var(--win-fg-dim); padding: 10px 16px; font-family: var(--font); font-size: 13.5px; cursor: pointer; border-bottom: 2px solid transparent; }
.sm-tab.sel { color: var(--win-fg); border-bottom-color: var(--accent); font-weight: 500; }
.proc-table { flex: 1; overflow-y: auto; }
.proc-head, .proc-row { display: grid; grid-template-columns: minmax(160px, 2.2fr) 70px 80px 90px 1fr; gap: 10px; align-items: center; padding: 6px 14px; font-size: 13px; }
.proc-head { font-weight: 700; color: var(--win-fg-dim); font-size: 12px; border-bottom: 1px solid var(--card-border); position: sticky; top: 0; background: var(--view-bg); z-index: 1; }
.proc-row:hover { background: var(--hover); }
.proc-row.sel { background: var(--accent-softer); }
.proc-row .pname { display: flex; align-items: center; gap: 9px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.res-grid { display: grid; grid-template-columns: 1fr; gap: 18px; padding: 18px 22px; overflow-y: auto; }
.res-card { border: 1px solid var(--card-border); border-radius: 12px; padding: 14px 18px; background: var(--card); }
.res-card h3 { font-size: 14px; margin-bottom: 10px; }
.res-card canvas { width: 100%; height: 120px; display: block; }
.res-legend { font-size: 12px; color: var(--win-fg-dim); margin-top: 8px; }

/* ============ Clock ============ */
.clock-app { display: flex; flex-direction: column; flex: 1; min-height: 0; }
.clock-face { display: flex; flex-direction: column; align-items: center; padding: 30px 0 10px; }
.clock-big { font-size: 64px; font-weight: 300; letter-spacing: -1px; }
.clock-sub { color: var(--win-fg-dim); font-size: 14px; margin-top: 4px; }
.world-row { display: flex; align-items: center; gap: 14px; padding: 12px 22px; border-bottom: 1px solid var(--card-border); }
.world-row .city { font-weight: 500; font-size: 15px; }
.world-row .offset { font-size: 12px; color: var(--win-fg-dim); }
.world-row .time { margin-left: auto; font-size: 22px; font-weight: 300; }
.sw-face { font-size: 56px; font-weight: 300; text-align: center; padding: 40px 0 20px; font-variant-numeric: tabular-nums; }
.sw-btns { display: flex; justify-content: center; gap: 12px; padding-bottom: 20px; }
.lap-list { flex: 1; overflow-y: auto; padding: 0 30px 20px; }
.lap-row { display: flex; justify-content: space-between; padding: 7px 6px; border-bottom: 1px solid var(--card-border); font-size: 14px; font-variant-numeric: tabular-nums; }
.lap-row .ln { color: var(--win-fg-dim); }

/* ============ Help ============ */
.help-app { display: flex; flex: 1; min-height: 0; }
.help-side { width: 210px; flex: none; background: var(--win-sidebar); border-right: 1px solid var(--card-border); padding: 10px 8px; overflow-y: auto; }
.help-main { flex: 1; overflow-y: auto; padding: 26px 34px; line-height: 1.6; }
.help-main h1 { font-size: 22px; margin-bottom: 12px; }
.help-main h2 { font-size: 16px; margin: 20px 0 8px; }
.help-main p { font-size: 14px; margin-bottom: 10px; }
.help-main kbd { background: var(--hover); border: 1px solid var(--card-border); border-radius: 5px; padding: 1px 7px; font-family: var(--font-mono); font-size: 12.5px; }
.help-main li { font-size: 14px; margin: 4px 0 4px 20px; }

/* ============ Mines ============ */
.mines-app { display: flex; flex-direction: column; flex: 1; align-items: center; background: var(--win-bg); padding: 14px; gap: 12px; overflow: auto; }
.mines-bar { display: flex; align-items: center; gap: 18px; width: 100%; max-width: 460px; }
.mines-count { font-family: var(--font-mono); font-size: 20px; background: #1b1b1b; color: #ef2929; padding: 3px 10px; border-radius: 6px; min-width: 62px; text-align: center; }
.mines-face { width: 44px; height: 44px; border-radius: 8px; border: 1px solid var(--btn-border); background: var(--btn-bg); font-size: 22px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.mines-grid { display: grid; gap: 2px; background: var(--card-border); padding: 2px; border-radius: 8px; }
.mine-cell {
  width: 38px; height: 38px; border: none;
  background: var(--btn-bg); color: var(--win-fg);
  font-size: 16px; font-weight: 700; font-family: var(--font);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  border-radius: 3px;
}
.mine-cell:hover { filter: brightness(.94); }
.mine-cell.open { background: var(--trough); cursor: default; }
.mine-cell.mine-hit { background: #e01b24; color: #fff; }
.mine-cell .u-icon { pointer-events: none; }

/* ============ Weather ============ */
.weather-app { flex: 1; overflow-y: auto; background: linear-gradient(160deg, #3b6ea5, #7db3e8); color: #fff; }
body.dark .weather-app { background: linear-gradient(160deg, #1d2a3d, #2e4767); }
.wx-hero { text-align: center; padding: 34px 20px 18px; }
.wx-city { font-size: 24px; font-weight: 500; }
.wx-temp { font-size: 84px; font-weight: 200; line-height: 1.05; }
.wx-cond { font-size: 16px; opacity: .9; }
.wx-hilo { font-size: 13.5px; opacity: .8; margin-top: 4px; }
.wx-strip { display: flex; gap: 8px; justify-content: center; padding: 18px 14px; flex-wrap: wrap; }
.wx-hour { background: rgba(255,255,255,.14); border-radius: 12px; padding: 12px 14px; text-align: center; min-width: 66px; backdrop-filter: blur(4px); }
.wx-hour .h { font-size: 12px; opacity: .85; }
.wx-hour .t { font-size: 17px; font-weight: 500; margin-top: 6px; }
.wx-days { max-width: 480px; margin: 0 auto; padding: 6px 20px 26px; }
.wx-day { display: flex; align-items: center; gap: 14px; padding: 10px 14px; background: rgba(255,255,255,.1); border-radius: 10px; margin-bottom: 7px; }
.wx-day .d { width: 90px; font-weight: 500; }
.wx-day .lo { opacity: .75; margin-left: auto; }
.wx-day .hi { width: 40px; text-align: right; font-weight: 500; }
.wx-city-picker { display: flex; justify-content: center; gap: 8px; padding-top: 16px; flex-wrap: wrap; }
.wx-city-btn { border: 1px solid rgba(255,255,255,.4); background: rgba(255,255,255,.1); color: #fff; border-radius: 999px; padding: 6px 16px; cursor: pointer; font-family: var(--font); font-size: 13px; }
.wx-city-btn.sel { background: rgba(255,255,255,.32); font-weight: 500; }

/* toast inside apps (small inline infobars) */
.app-toast {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  background: rgba(30,30,30,.95); color: #fff;
  padding: 9px 18px; border-radius: 999px; font-size: 13px;
  box-shadow: 0 4px 16px rgba(0,0,0,.4);
  animation: banner-in .18s ease; z-index: 50;
}