/* ==========================================================================
   NAS OS - desktop design system
   ========================================================================== */
:root {
  --accent: #3b82f6;
  --accent-fg: #fff;
  --accent-soft: color-mix(in srgb, var(--accent) 18%, transparent);
  --radius: 10px;
  --font: "Segoe UI Variable", "Segoe UI", "Rubik", "Noto Sans Hebrew", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, "DejaVu Sans Mono", monospace;
  --ok: #16a34a; --warn: #d97706; --danger: #dc2626; --info: #0284c7;
  --taskbar-h: 52px;
  --fs: 14px;
  color-scheme: light;
  --bg: #ffffff; --bg2: #f4f6fa; --bg3: #e9edf4; --fg: #111827; --fg2: #5b6474; --border: #dde2ea;
  --hover: rgba(15, 23, 42, .06); --sel: var(--accent-soft); --input: #fff;
  --glass: rgba(246, 248, 252, .78); --glass-border: rgba(255,255,255,.6);
  --shadow: 0 18px 50px rgba(15, 23, 42, .28), 0 2px 8px rgba(15, 23, 42, .12);
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, .12);
  --titlebar: #f3f5f9;
}
:root[data-mode="dark"] {
  color-scheme: dark;
  --bg: #1d2129; --bg2: #171a21; --bg3: #262b35; --fg: #e8ebf1; --fg2: #9aa3b2; --border: #313744;
  --hover: rgba(255, 255, 255, .07); --input: #14171d;
  --glass: rgba(24, 27, 34, .74); --glass-border: rgba(255,255,255,.08);
  --shadow: 0 22px 60px rgba(0, 0, 0, .55), 0 2px 8px rgba(0, 0, 0, .35);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, .35);
  --titlebar: #232832;
}
:root.no-blur { --glass: var(--bg2); }

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; font-family: var(--font); font-size: var(--fs); color: var(--fg); background: #0b1020; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }
::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--fg2) 35%, transparent); border-radius: 10px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background-color: color-mix(in srgb, var(--fg2) 60%, transparent); }
::-webkit-scrollbar-corner { background: transparent; }
.hidden { display: none !important; }
.muted { color: var(--fg2); }
.small { font-size: .86em; }
.mono { font-family: var(--mono); }
.grow { flex: 1; min-width: 0; }
.row { display: flex; align-items: center; gap: 8px; }
.col { display: flex; flex-direction: column; gap: 8px; }
.wrap { flex-wrap: wrap; }
.center { display: grid; place-items: center; }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sep { height: 1px; background: var(--border); margin: 6px 0; }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pop { from { opacity: 0; transform: scale(.96) translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideup { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ---------- icons (lucide via CSS mask) ---------- */
.ic { display: inline-block; width: 18px; height: 18px; flex: none; background: currentColor; -webkit-mask: var(--i) center / contain no-repeat; mask: var(--i) center / contain no-repeat; vertical-align: middle; }
.ic.sm { width: 15px; height: 15px; } .ic.lg { width: 24px; height: 24px; } .ic.xl { width: 40px; height: 40px; }
.app-ico { --c1: #3b82f6; --c2: #1d4ed8; width: 48px; height: 48px; border-radius: 22%; flex: none; display: grid; place-items: center; color: #fff;
  background: linear-gradient(145deg, var(--c1), var(--c2)); box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 3px 8px rgba(0,0,0,.25); position: relative; overflow: hidden; }
.app-ico::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,.22), transparent 55%); pointer-events: none; }
.app-ico .ic { width: 56%; height: 56%; filter: drop-shadow(0 1px 1px rgba(0,0,0,.25)); }
.app-ico img { width: 72%; height: 72%; object-fit: contain; }
.app-ico.img { background: #fff; }
.app-ico.s16 { width: 18px; height: 18px; border-radius: 5px; box-shadow: none; } .app-ico.s24 { width: 24px; height: 24px; border-radius: 6px; box-shadow: none; }
.app-ico.s32 { width: 32px; height: 32px; border-radius: 8px; } .app-ico.s40 { width: 40px; height: 40px; border-radius: 10px; } .app-ico.s64 { width: 64px; height: 64px; border-radius: 16px; }
.app-ico .letter { font-weight: 700; font-size: 45%; }

/* ---------- form controls ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 32px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); cursor: pointer; white-space: nowrap; transition: background .12s, border-color .12s, transform .05s; user-select: none; }
.btn:hover { background: var(--bg3); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; pointer-events: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--hover); }
.btn.icon { width: 32px; padding: 0; }
.btn.sm { height: 26px; padding: 0 9px; font-size: .9em; border-radius: 6px; } .btn.sm.icon { width: 26px; padding: 0; }
.btn.lg { height: 40px; padding: 0 20px; font-size: 1.05em; }
.input, select.input, textarea.input { height: 34px; padding: 0 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--input); outline: none; min-width: 0; transition: border-color .12s, box-shadow .12s; }
textarea.input { height: auto; padding: 8px 10px; resize: vertical; }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.input.sm { height: 28px; }
label.field { display: flex; flex-direction: column; gap: 5px; font-size: .92em; color: var(--fg2); }
label.field > .input, label.field > select, label.field > textarea { color: var(--fg); font-size: 1.08em; }
.form { display: grid; gap: 14px; }
.form.cols { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.switch { position: relative; width: 40px; height: 22px; flex: none; display: inline-block; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch span { position: absolute; inset: 0; border-radius: 22px; background: color-mix(in srgb, var(--fg2) 45%, transparent); transition: .18s; cursor: pointer; }
.switch span::before { content: ""; position: absolute; width: 16px; height: 16px; inset-inline-start: 3px; top: 3px; border-radius: 50%; background: #fff; transition: .18s; box-shadow: 0 1px 3px rgba(0,0,0,.3); }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::before { inset-inline-start: 21px; }
input[type=range] { accent-color: var(--accent); width: 100%; }
input[type=checkbox], input[type=radio] { accent-color: var(--accent); width: 16px; height: 16px; }
input[type=color] { width: 36px; height: 32px; border: 1px solid var(--border); border-radius: 8px; padding: 2px; background: var(--input); cursor: pointer; }

/* ---------- containers ---------- */
.card { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.card.flat { background: var(--bg2); border-color: transparent; }
.card h3 { margin: 0 0 12px; font-size: 1.05em; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 20px; font-size: .78em; font-weight: 600; background: var(--bg3); color: var(--fg2); white-space: nowrap; }
.badge.ok { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.badge.danger { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.badge.info { background: var(--accent-soft); color: var(--accent); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--fg2); flex: none; }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); } .dot.warn { background: var(--warn); } .dot.danger { background: var(--danger); }
.progress { height: 6px; border-radius: 6px; background: var(--bg3); overflow: hidden; }
.progress > i { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 6px; transition: width .5s; }
.progress.warn > i { background: var(--warn); } .progress.danger > i { background: var(--danger); }
.empty { display: grid; place-items: center; gap: 10px; padding: 40px 20px; color: var(--fg2); text-align: center; }
.empty .ic { width: 48px; height: 48px; opacity: .5; }
.kv { display: grid; grid-template-columns: minmax(120px, max-content) 1fr; gap: 8px 18px; }
.kv > :nth-child(odd) { color: var(--fg2); }
table.table { width: 100%; border-collapse: collapse; }
.table th { text-align: start; font-weight: 600; color: var(--fg2); font-size: .86em; padding: 8px 10px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--bg); z-index: 1; white-space: nowrap; }
.table td { padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:hover td { background: var(--hover); }
.table tr.sel td { background: var(--sel); }
.toolbar { display: flex; align-items: center; gap: 6px; padding: 8px 12px; border-bottom: 1px solid var(--border); background: var(--bg); flex-wrap: wrap; }
.toolbar .search { position: relative; }
.toolbar .search .input { padding-inline-start: 30px; height: 32px; width: 220px; }
.toolbar .search .ic { position: absolute; inset-inline-start: 9px; top: calc(50% - 8px); width: 16px; height: 16px; color: var(--fg2); }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); padding: 0 12px; background: var(--bg); overflow-x: auto; flex: none; }
.tabs button { border: 0; background: none; padding: 10px 14px; cursor: pointer; color: var(--fg2); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; display: flex; gap: 6px; align-items: center; }
.tabs button:hover { color: var(--fg); }
.tabs button.active { color: var(--accent); border-color: var(--accent); font-weight: 600; }

/* split layout: sidebar navigation + content */
.split { display: flex; height: 100%; min-height: 0; }
.split > nav { width: 220px; flex: none; background: var(--bg2); border-inline-end: 1px solid var(--border); overflow-y: auto; padding: 10px 8px; display: flex; flex-direction: column; gap: 1px; }
.split > nav .nav-title { font-size: .76em; text-transform: uppercase; letter-spacing: .06em; color: var(--fg2); padding: 12px 10px 6px; font-weight: 600; }
.split > nav button { display: flex; align-items: center; gap: 10px; border: 0; background: none; padding: 8px 10px; border-radius: 8px; cursor: pointer; text-align: start; width: 100%; color: var(--fg); }
.split > nav button:hover { background: var(--hover); }
.split > nav button.active { background: var(--sel); color: var(--accent); font-weight: 600; }
.split > nav button .ic { color: var(--fg2); } .split > nav button.active .ic { color: var(--accent); }
.split > main { flex: 1; min-width: 0; overflow: auto; display: flex; flex-direction: column; }
.page { padding: 20px 24px; display: flex; flex-direction: column; gap: 16px; max-width: 1100px; width: 100%; }
.page > h2 { margin: 0; font-size: 1.5em; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.page-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.page-head h2 { margin: 0; font-size: 1.45em; font-weight: 600; flex: 1; }

/* setting rows (Windows-11 style) */
.setting { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; }
.setting + .setting { margin-top: -10px; border-top-left-radius: 0; border-top-right-radius: 0; }
.setting:has(+ .setting) { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
.setting > .ic { width: 22px; height: 22px; color: var(--fg2); }
.setting .t { flex: 1; min-width: 0; } .setting .t b { display: block; font-weight: 500; } .setting .t small { color: var(--fg2); }
.setting.click { cursor: pointer; } .setting.click:hover { background: var(--bg3); }

/* ==========================================================================
   Desktop
   ========================================================================== */
#desktop { position: fixed; inset: 0; overflow: hidden; background: var(--wallpaper, linear-gradient(135deg, #0f172a, #1e3a8a)); background-size: cover; background-position: center; }
#desktop.tb-top #icons, #desktop.tb-top #widgets { top: calc(var(--taskbar-h) + 8px); }
#icons { position: absolute; inset: 0 0 var(--taskbar-h) 0; padding: 12px; }
.dicon { position: absolute; width: 92px; padding: 8px 4px; border-radius: 8px; display: flex; flex-direction: column; align-items: center; gap: 6px; cursor: default; user-select: none; color: #fff; text-align: center; border: 1px solid transparent; }
.dicon span { font-size: 12.5px; line-height: 1.25; text-shadow: 0 1px 3px rgba(0,0,0,.9), 0 0 2px rgba(0,0,0,.8); word-break: break-word; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dicon:hover { background: rgba(255,255,255,.12); }
.dicon.sel { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.35); }
.dicon .app-ico { width: var(--dicon, 50px); height: var(--dicon, 50px); }
#select-rect { position: absolute; border: 1px solid var(--accent); background: color-mix(in srgb, var(--accent) 20%, transparent); pointer-events: none; z-index: 5; }

/* widgets */
#widgets { position: absolute; top: 12px; inset-inline-end: 12px; width: 300px; display: flex; flex-direction: column; gap: 10px; z-index: 2; max-height: calc(100% - var(--taskbar-h) - 24px); overflow-y: auto; scrollbar-width: none; }
.widget { background: var(--glass); backdrop-filter: blur(24px) saturate(1.4); -webkit-backdrop-filter: blur(24px) saturate(1.4); border: 1px solid var(--glass-border); border-radius: 14px; padding: 12px 14px; box-shadow: var(--shadow-sm); animation: slideup .3s; }
.widget header { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: .9em; margin-bottom: 8px; color: var(--fg2); }
.widget header .ic { width: 16px; height: 16px; }
.widget header .x { margin-inline-start: auto; opacity: 0; cursor: pointer; } .widget:hover header .x { opacity: .6; }
.widget .big { font-size: 26px; font-weight: 600; color: var(--fg); }
.widget canvas { width: 100%; height: 46px; display: block; }
.w-clock .time { font-size: 40px; font-weight: 300; letter-spacing: -1px; color: var(--fg); line-height: 1; }
.w-clock .date { color: var(--fg2); margin-top: 4px; }
.w-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 6px 0 3px; font-size: .9em; }
.cores { display: grid; grid-template-columns: repeat(auto-fill, minmax(18px, 1fr)); gap: 3px; height: 30px; align-items: end; margin-top: 6px; }
.cores i { display: block; background: var(--accent); border-radius: 2px; min-height: 2px; opacity: .85; transition: height .5s; }

/* taskbar */
#taskbar { position: absolute; inset-inline: 0; bottom: 0; height: var(--taskbar-h); display: flex; align-items: center; gap: 4px; padding: 0 8px; z-index: 9000;
  background: var(--glass); backdrop-filter: blur(30px) saturate(1.5); -webkit-backdrop-filter: blur(30px) saturate(1.5); border-top: 1px solid var(--glass-border); }
#desktop.tb-top #taskbar { top: 0; bottom: auto; border-top: 0; border-bottom: 1px solid var(--glass-border); }
#desktop.tb-center #taskbar .tb-apps { justify-content: center; }
.tb-btn { height: 42px; min-width: 42px; border-radius: 8px; border: 0; background: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; padding: 0 8px; position: relative; color: var(--fg); transition: background .12s; }
.tb-btn:hover { background: var(--hover); }
.tb-btn.active { background: var(--hover); }
.tb-btn .app-ico { width: 28px; height: 28px; border-radius: 7px; }
.tb-btn.win::after { content: ""; position: absolute; bottom: 3px; left: 50%; transform: translateX(-50%); width: 6px; height: 3px; border-radius: 3px; background: var(--fg2); transition: width .2s; }
.tb-btn.win.focused::after { width: 18px; background: var(--accent); }
.tb-apps { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; overflow: hidden; }
.tb-start .ic { width: 24px; height: 24px; color: var(--accent); }
.tb-tray { display: flex; align-items: center; gap: 2px; }
.tb-tray .tb-btn { min-width: 34px; padding: 0 6px; }
.tb-clock { flex-direction: column; gap: 0; line-height: 1.2; font-size: 12px; padding: 0 10px !important; align-items: flex-end; }
.tb-badge { position: absolute; top: 5px; inset-inline-end: 3px; min-width: 16px; height: 16px; border-radius: 8px; background: var(--danger); color: #fff; font-size: 10px; font-weight: 700; display: grid; place-items: center; padding: 0 4px; }
.tb-showdesk { width: 6px; height: 100%; border-inline-start: 1px solid var(--border); margin-inline-start: 4px; cursor: pointer; }

/* flyouts: start menu, notification center, quick settings */
.flyout { position: absolute; z-index: 9500; background: var(--glass); backdrop-filter: blur(40px) saturate(1.6); -webkit-backdrop-filter: blur(40px) saturate(1.6); border: 1px solid var(--glass-border);
  border-radius: 14px; box-shadow: var(--shadow); animation: slideup .18s ease-out; bottom: calc(var(--taskbar-h) + 10px); }
#desktop.tb-top .flyout { bottom: auto; top: calc(var(--taskbar-h) + 10px); }
#startmenu { inset-inline-start: 10px; width: min(640px, calc(100vw - 20px)); height: min(680px, calc(100vh - var(--taskbar-h) - 30px)); display: flex; flex-direction: column; }
#desktop.tb-center #startmenu { inset-inline-start: 50%; transform: translateX(-50%); }
[dir=rtl] #desktop.tb-center #startmenu { transform: translateX(50%); }
.sm-search { padding: 18px 20px 8px; }
.sm-search .input { width: 100%; height: 40px; border-radius: 20px; padding-inline-start: 40px; background: var(--input); }
.sm-search .search-wrap { position: relative; } .sm-search .search-wrap .ic { position: absolute; inset-inline-start: 14px; top: 11px; color: var(--fg2); }
.sm-body { flex: 1; overflow-y: auto; padding: 4px 18px 10px; }
.sm-section { font-weight: 600; margin: 14px 6px 8px; display: flex; justify-content: space-between; align-items: center; font-size: .92em; }
.sm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 4px; }
.sm-app { display: flex; flex-direction: column; align-items: center; gap: 7px; padding: 12px 4px 10px; border-radius: 10px; cursor: pointer; text-align: center; font-size: 12.5px; border: 0; background: none; color: var(--fg); }
.sm-app:hover { background: var(--hover); }
.sm-app .app-ico { width: 40px; height: 40px; }
.sm-app span { line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sm-list .sm-app { flex-direction: row; text-align: start; padding: 7px 10px; }
.sm-list .sm-app .app-ico { width: 30px; height: 30px; }
.sm-footer { display: flex; align-items: center; gap: 10px; padding: 10px 20px; border-top: 1px solid var(--border); background: color-mix(in srgb, var(--bg2) 60%, transparent); border-radius: 0 0 14px 14px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), #a855f7); color: #fff; display: grid; place-items: center; font-weight: 700; flex: none; overflow: hidden; background-size: cover; background-position: center; }
.avatar.lg { width: 96px; height: 96px; font-size: 38px; }
#notifcenter { inset-inline-end: 10px; width: 380px; max-height: calc(100vh - var(--taskbar-h) - 30px); display: flex; flex-direction: column; }
#quick { inset-inline-end: 10px; width: 360px; padding: 16px; }
.qs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.qs-tile { border: 1px solid var(--border); background: var(--bg); border-radius: 10px; padding: 10px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; cursor: pointer; font-size: .85em; }
.qs-tile.on { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.qs-slider { display: flex; align-items: center; gap: 10px; margin: 10px 0; }
.notif { padding: 10px 12px; border-radius: 10px; background: var(--bg); border: 1px solid var(--border); display: flex; gap: 10px; margin-bottom: 8px; animation: slideup .2s; }
.notif .ic { margin-top: 2px; color: var(--accent); }
.notif.warning .ic { color: var(--warn); } .notif.error .ic { color: var(--danger); }
.notif b { display: block; font-size: .95em; } .notif p { margin: 2px 0 0; color: var(--fg2); font-size: .88em; word-break: break-word; }
.notif.unread { border-inline-start: 3px solid var(--accent); }

/* calendar flyout */
#calflyout { inset-inline-end: 10px; width: 320px; padding: 16px; }
.mini-cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; text-align: center; font-size: .9em; }
.mini-cal b { color: var(--fg2); font-weight: 500; font-size: .85em; padding: 4px 0; }
.mini-cal span { padding: 7px 0; border-radius: 50%; cursor: default; }
.mini-cal span.today { background: var(--accent); color: var(--accent-fg); font-weight: 600; }
.mini-cal span.other { opacity: .35; }

/* ==========================================================================
   Windows
   ========================================================================== */
.window { position: absolute; display: flex; flex-direction: column; background: var(--bg); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  overflow: hidden; min-width: 320px; min-height: 200px; animation: pop .16s ease-out; }
.window.maximized { border-radius: 0; border: 0; animation: none; }
.window.minimizing { transition: transform .2s ease-in, opacity .2s; transform: scale(.6) translateY(60%); opacity: 0; pointer-events: none; }
.window.inactive .titlebar { opacity: .82; }
.window.inactive { box-shadow: 0 10px 30px rgba(0,0,0,.22); }
.titlebar { height: 40px; flex: none; display: flex; align-items: center; gap: 8px; padding-inline-start: 12px; background: var(--titlebar); border-bottom: 1px solid var(--border); user-select: none; cursor: default; }
.titlebar .title { flex: 1; min-width: 0; font-size: 13px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.titlebar .ctl { display: flex; height: 100%; }
.titlebar .ctl button { width: 46px; height: 100%; border: 0; background: none; cursor: pointer; display: grid; place-items: center; color: var(--fg); }
.titlebar .ctl button:hover { background: var(--hover); }
.titlebar .ctl button.close:hover { background: #e81123; color: #fff; }
.titlebar .ctl .ic { width: 15px; height: 15px; }
.win-body { flex: 1; min-height: 0; position: relative; overflow: hidden; display: flex; flex-direction: column; }
.win-body > .fill { flex: 1; min-height: 0; overflow: auto; }
.resizer { position: absolute; z-index: 5; }
.resizer.n { top: -3px; left: 6px; right: 6px; height: 7px; cursor: ns-resize; } .resizer.s { bottom: -3px; left: 6px; right: 6px; height: 7px; cursor: ns-resize; }
.resizer.e { right: -3px; top: 6px; bottom: 6px; width: 7px; cursor: ew-resize; } .resizer.w { left: -3px; top: 6px; bottom: 6px; width: 7px; cursor: ew-resize; }
.resizer.ne { right: -3px; top: -3px; width: 12px; height: 12px; cursor: nesw-resize; } .resizer.nw { left: -3px; top: -3px; width: 12px; height: 12px; cursor: nwse-resize; }
.resizer.se { right: -3px; bottom: -3px; width: 14px; height: 14px; cursor: nwse-resize; } .resizer.sw { left: -3px; bottom: -3px; width: 12px; height: 12px; cursor: nesw-resize; }
.window.maximized .resizer { display: none; }
#snap-preview { position: absolute; z-index: 8000; background: color-mix(in srgb, var(--accent) 22%, transparent); border: 2px solid color-mix(in srgb, var(--accent) 60%, transparent); border-radius: 12px; transition: all .15s; pointer-events: none; backdrop-filter: blur(6px); }
.drag-shield { position: fixed; inset: 0; z-index: 99999; }
.win-loading { position: absolute; inset: 0; display: grid; place-items: center; background: var(--bg); z-index: 3; }

/* ==========================================================================
   Overlays: modal dialogs, context menu, toasts
   ========================================================================== */
.modal-back { position: fixed; inset: 0; z-index: 20000; background: rgba(0,0,0,.35); display: grid; place-items: center; animation: fade .15s; padding: 16px; }
.modal-back.in-window { position: absolute; z-index: 50; }
.modal { background: var(--bg); border-radius: 14px; box-shadow: var(--shadow); width: min(480px, 100%); max-height: calc(100vh - 40px); display: flex; flex-direction: column; animation: pop .18s; border: 1px solid var(--border); }
.modal.wide { width: min(760px, 100%); }
.modal.xwide { width: min(1000px, 100%); }
.modal header { padding: 16px 20px 6px; font-size: 1.15em; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.modal .body { padding: 10px 20px 16px; overflow: auto; }
.modal footer { padding: 12px 20px; display: flex; justify-content: flex-end; gap: 8px; border-top: 1px solid var(--border); background: var(--bg2); border-radius: 0 0 14px 14px; }
.menu { position: fixed; z-index: 30000; min-width: 200px; background: var(--glass); backdrop-filter: blur(30px) saturate(1.5); -webkit-backdrop-filter: blur(30px) saturate(1.5); border: 1px solid var(--glass-border);
  border-radius: 10px; box-shadow: var(--shadow); padding: 5px; animation: pop .1s; }
.menu button { display: flex; align-items: center; gap: 10px; width: 100%; border: 0; background: none; padding: 7px 10px; border-radius: 6px; cursor: pointer; text-align: start; color: var(--fg); white-space: nowrap; }
.menu button:hover { background: var(--accent); color: var(--accent-fg); }
.menu button:disabled { opacity: .4; pointer-events: none; }
.menu button .kbd { margin-inline-start: auto; opacity: .55; font-size: .85em; padding-inline-start: 20px; }
.menu button.danger { color: var(--danger); } .menu button.danger:hover { background: var(--danger); color: #fff; }
.menu hr { border: 0; border-top: 1px solid var(--border); margin: 4px 6px; }
#toasts { position: fixed; z-index: 40000; bottom: calc(var(--taskbar-h) + 12px); inset-inline-end: 12px; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; pointer-events: none; }
.toast { pointer-events: auto; min-width: 280px; max-width: 380px; background: var(--glass); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border: 1px solid var(--glass-border); border-radius: 12px; padding: 12px 14px; box-shadow: var(--shadow); display: flex; gap: 10px; animation: slideup .2s; }
.toast .ic { color: var(--accent); margin-top: 1px; } .toast.error .ic { color: var(--danger); } .toast.success .ic { color: var(--ok); } .toast.warning .ic { color: var(--warn); }
.toast b { display: block; } .toast p { margin: 2px 0 0; font-size: .9em; color: var(--fg2); word-break: break-word; }

/* ==========================================================================
   Login / lock screen
   ========================================================================== */
#login { position: fixed; inset: 0; background: var(--wallpaper); background-size: cover; background-position: center; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; }
#login::before { content: ""; position: absolute; inset: 0; backdrop-filter: blur(var(--login-blur, 0px)); background: rgba(0,0,0,var(--login-dim, .15)); transition: all .4s; }
#login.active { --login-blur: 24px; --login-dim: .35; }
#login > * { position: relative; }
.login-clock { text-align: center; transition: all .4s; cursor: pointer; text-shadow: 0 2px 20px rgba(0,0,0,.4); }
.login-clock .t { font-size: 110px; font-weight: 200; letter-spacing: -3px; line-height: 1; }
.login-clock .d { font-size: 22px; margin-top: 8px; }
#login.active .login-clock { display: none; }
.login-box { display: none; flex-direction: column; align-items: center; gap: 16px; width: 320px; animation: slideup .3s; }
#login.active .login-box { display: flex; }
.login-box .uname { font-size: 26px; font-weight: 500; }
.login-box .input { width: 100%; height: 42px; border-radius: 8px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.3); color: #fff; padding: 0 14px; backdrop-filter: blur(10px); }
.login-box .input::placeholder { color: rgba(255,255,255,.7); }
.login-box .err { color: #fecaca; background: rgba(220,38,38,.3); padding: 6px 12px; border-radius: 6px; font-size: .9em; }
.login-users { position: absolute !important; bottom: 30px; inset-inline-start: 30px; display: flex; flex-direction: column; gap: 4px; }
.login-users button { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,.1); border: 0; color: #fff; padding: 8px 14px 8px 8px; border-radius: 8px; cursor: pointer; backdrop-filter: blur(10px); }
.login-users button:hover, .login-users button.sel { background: rgba(255,255,255,.25); }
.login-corner { position: absolute !important; bottom: 30px; inset-inline-end: 30px; display: flex; gap: 8px; }
.login-corner button { background: rgba(255,255,255,.12); border: 0; color: #fff; height: 40px; min-width: 40px; border-radius: 8px; cursor: pointer; padding: 0 12px; backdrop-filter: blur(10px); display: flex; align-items: center; gap: 6px; }
.login-corner button:hover { background: rgba(255,255,255,.25); }

/* ==========================================================================
   Shared app pieces
   ========================================================================== */
.app-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.app-card { display: flex; gap: 14px; padding: 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--bg); transition: box-shadow .15s, transform .15s; }
.app-card:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.app-card .info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.app-card .info b { font-size: 1.02em; }
.app-card .info p { margin: 0; color: var(--fg2); font-size: .86em; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.app-card .acts { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.stat-tile { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; }
.stat-tile .v { font-size: 1.8em; font-weight: 600; }
.stat-tile .l { color: var(--fg2); font-size: .88em; display: flex; align-items: center; gap: 6px; }
.chart { width: 100%; height: 160px; display: block; }
.log-view { font-family: var(--mono); font-size: 12px; background: #0d1117; color: #c9d1d9; padding: 12px; border-radius: 8px; white-space: pre-wrap; word-break: break-all; overflow: auto; max-height: 50vh; margin: 0; }
.drop-overlay { position: absolute; inset: 0; z-index: 40; background: color-mix(in srgb, var(--accent) 18%, transparent); border: 3px dashed var(--accent); border-radius: 8px; display: grid; place-items: center; font-size: 1.3em; font-weight: 600; color: var(--accent); pointer-events: none; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--border); background: var(--bg); border-radius: 20px; padding: 5px 12px; cursor: pointer; font-size: .9em; white-space: nowrap; }
.chip.active { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
iframe.app-frame { border: 0; width: 100%; height: 100%; flex: 1; background: #fff; }
.color-swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.color-swatches button { width: 34px; height: 34px; border-radius: 50%; border: 3px solid transparent; cursor: pointer; outline: 2px solid transparent; }
.color-swatches button.active { outline-color: var(--fg); border-color: var(--bg); }
.wall-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
.wall-grid button { aspect-ratio: 16/10; border-radius: 10px; border: 3px solid transparent; cursor: pointer; background-size: cover; background-position: center; }
.wall-grid button.active { border-color: var(--accent); }
@media (max-width: 700px) {
  .split > nav { width: 64px; } .split > nav button span, .split > nav .nav-title { display: none; }
  #widgets { display: none; }
  .tb-clock { display: none !important; }
}

/* generic search box (icon inside input) */
.search { position: relative; display: inline-flex; align-items: center; }
.search > .ic { position: absolute; inset-inline-start: 9px; top: calc(50% - 8px); width: 16px; height: 16px; color: var(--fg2); pointer-events: none; }
.search > .input { padding-inline-start: 32px; height: 32px; width: 220px; }