/* iFort CAD */
:root {
  --bg: #16191d; --bg2: #1f242a; --bg3: #262c34; --line: #333b45;
  --fg: #dfe6ee; --fg-dim: #8b98a8; --accent: #2f81f7; --accent2: #58a6ff;
  --danger: #e5534b; --ok: #4ac26b; --warn: #d4a72c;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { font: 14px/1.45 -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--fg); }
.hidden { display: none !important; }
button { font: inherit; color: var(--fg); background: var(--bg3); border: 1px solid var(--line); border-radius: 6px; padding: 6px 12px; cursor: pointer; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.ghost { background: transparent; }
button.mini { padding: 0 8px; font-size: 12px; }
input, select, textarea { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 7px 10px; }
input:focus, select:focus { outline: none; border-color: var(--accent); }
.error { color: var(--danger); min-height: 1.2em; margin-top: 8px; font-size: 13px; }

/* login */
.view { height: 100vh; display: flex; flex-direction: column; }
#view-login, #view-changepw { align-items: center; justify-content: center; }
.login-box { width: 340px; background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 32px; }
.login-box h1 { font-size: 26px; text-align: center; }
.login-box h1 span, .brand span, .brand-sm span { color: var(--accent2); }
.login-box .sub { color: var(--fg-dim); text-align: center; margin: 6px 0 20px; font-size: 13px; }
.login-box form { display: flex; flex-direction: column; gap: 10px; }

/* topbar / dashboard */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 18px; background: var(--bg2); border-bottom: 1px solid var(--line); }
.brand { font-size: 17px; font-weight: 600; }
.topbar-right { display: flex; gap: 10px; align-items: center; color: var(--fg-dim); }
.dash { flex: 1; overflow: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 18px; align-content: start; }
.panel { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.cards { display: flex; flex-direction: column; gap: 8px; }
.card { background: var(--bg3); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.card:hover { border-color: var(--accent); }
.card.sel { border-color: var(--accent); background: #24303f; }
.card .meta { color: var(--fg-dim); font-size: 12px; }
.card .badge { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--bg); color: var(--fg-dim); border: 1px solid var(--line); }
.badge.electrical { color: #f7d154; } .badge.piping { color: #58a6ff; } .badge.hvac { color: #4ac26b; }
.badge.locked { color: var(--warn); }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); font-size: 13px; }
.table th { color: var(--fg-dim); font-weight: 500; }
.table .mini { margin-right: 4px; }

/* menu bar (BricsCAD-style) */
.menubar { display: flex; gap: 2px; align-items: center; }
.menu-item { position: relative; padding: 4px 10px; border-radius: 6px; cursor: pointer; font-size: 13px; color: var(--fg); user-select: none; white-space: nowrap; }
.menu-item:hover { background: var(--bg3); }
.menu-drop { position: absolute; top: 100%; left: 0; min-width: 230px; background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; padding: 5px; z-index: 30; box-shadow: 0 8px 24px rgba(0,0,0,.5); }
.menu-entry { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 6px 10px; border-radius: 5px; font-size: 13px; cursor: pointer; }
.menu-entry:hover { background: var(--accent); color: #fff; }
.menu-entry kbd { font: 11px ui-monospace, monospace; color: var(--fg-dim); }
.menu-entry:hover kbd { color: #dbe9ff; }
.menu-entry.soon { opacity: .42; cursor: default; }
.menu-entry.soon:hover { background: transparent; color: var(--fg); }
.menu-sep { height: 1px; background: var(--line); margin: 5px 8px; }

/* editor layout */
#view-editor { overflow: hidden; }
.editor-bar { gap: 14px; justify-content: flex-start; padding: 6px 12px; }
.brand-sm { font-weight: 600; cursor: pointer; white-space: nowrap; }
.doc-title { color: var(--fg-dim); white-space: nowrap; max-width: 220px; overflow: hidden; text-overflow: ellipsis; }
.toolbar { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.toolbar button { padding: 4px 9px; font-size: 14px; min-width: 32px; }
.toolbar .sep { width: 1px; height: 22px; background: var(--line); margin: 0 6px; }
.toolbar .tool.active, .toolbar .on { background: var(--accent); border-color: var(--accent); color: #fff; }
#save-status { color: var(--fg-dim); font-size: 12px; margin-left: 6px; }

.editor-body { flex: 1; display: flex; min-height: 0; }
.sidebar { width: 250px; background: var(--bg2); border-right: 1px solid var(--line); overflow-y: auto; flex-shrink: 0; }
.side-section { padding: 12px; border-bottom: 1px solid var(--line); }
.side-section h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-dim); margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; }
.symbol-tabs { display: flex; gap: 4px; margin-bottom: 8px; }
.symbol-tabs button { flex: 1; padding: 3px 4px; font-size: 11px; }
.symbol-tabs button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.symbol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.symbol-cell { background: var(--bg3); border: 1px solid var(--line); border-radius: 6px; aspect-ratio: 1; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2px; }
.symbol-cell:hover, .symbol-cell.active { border-color: var(--accent); }
.symbol-cell canvas { width: 44px; height: 44px; }
.symbol-cell .lbl { font-size: 9px; color: var(--fg-dim); text-align: center; line-height: 1.1; overflow: hidden; max-height: 2.2em; }

.layer-row { display: flex; align-items: center; gap: 6px; padding: 4px 2px; border-radius: 5px; cursor: pointer; font-size: 13px; }
.layer-row.current { background: #24303f; }
.layer-row .sw { width: 14px; height: 14px; border-radius: 3px; border: 1px solid var(--line); flex-shrink: 0; }
.layer-row .nm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.layer-row .icon { color: var(--fg-dim); cursor: pointer; font-size: 12px; }
.layer-row .icon.off { opacity: .3; }

.props { font-size: 13px; display: flex; flex-direction: column; gap: 6px; color: var(--fg-dim); }
.props .prow { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.props input, .props select { padding: 3px 6px; width: 130px; }

.canvas-wrap { flex: 1; position: relative; min-width: 0; background: #101318; }
#cad-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.lock-banner { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); background: #3a2f10; color: var(--warn); border: 1px solid var(--warn); padding: 6px 16px; border-radius: 8px; font-size: 13px; z-index: 5; }

.statusbar { display: flex; gap: 22px; align-items: center; padding: 5px 14px; background: var(--bg2); border-top: 1px solid var(--line); font-size: 12px; color: var(--fg-dim); }
#status-coords { font-family: ui-monospace, monospace; min-width: 150px; }
#status-lock.locked { color: var(--ok); }

/* modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 22px; width: 380px; max-height: 85vh; overflow: auto; }
.modal h3 { margin-bottom: 14px; }
.modal form, .modal .mbody { display: flex; flex-direction: column; gap: 10px; }
.modal .mrow { display: flex; gap: 8px; justify-content: flex-end; margin-top: 6px; }
.modal .note { background: var(--bg); border: 1px dashed var(--line); padding: 10px; border-radius: 6px; font-family: ui-monospace, monospace; font-size: 13px; word-break: break-all; }