/* md-styles.css — Muses Designer v4 — 2020-style chrome (spec §10) */
:root {
  --navy: #1f3864; --accent: #e67e22; --chrome: #e8eaed; --chrome2: #dfe2e7;
  --line: #c9ced6; --bg: #f4f5f7; --ink: #222733; --dim: #667085;
}
* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body {
  font-family: "Segoe UI", Arial, sans-serif; font-size: 12px; color: var(--ink);
  background: var(--bg); display: flex; flex-direction: column; overflow: hidden;
}

/* ---------- ribbon ---------- */
#ribbon { background: var(--chrome); border-bottom: 1px solid var(--line); flex: 0 0 auto; }
#ribbon .qa {
  display: flex; align-items: center; gap: 4px; padding: 3px 8px;
  background: var(--navy);
}
#ribbon .qab {
  background: transparent; color: #dfe7f5; border: 1px solid transparent; border-radius: 3px;
  padding: 2px 8px; font-size: 11px; cursor: pointer;
}
#ribbon .qab:hover { background: #ffffff22; border-color: #ffffff44; }
#ribbon .brand { margin-left: auto; color: #9fb4d8; font-size: 11px; letter-spacing: 1px; }
#ribbon .rtabs { display: flex; gap: 2px; padding: 3px 8px 0; }
#ribbon .rtab {
  background: transparent; border: none; padding: 4px 14px; font-size: 12px; cursor: pointer;
  color: var(--ink); border-radius: 4px 4px 0 0; font-weight: 600; letter-spacing: .3px;
}
#ribbon .rtab.on { background: #fff; box-shadow: 0 -1px 0 var(--line) inset; color: var(--navy); }
#ribbon .rgroup {
  display: flex; align-items: stretch; gap: 2px; background: #fff;
  border-top: 1px solid var(--line); padding: 4px 8px; min-height: 58px; flex-wrap: wrap;
}
#ribbon .rbtn {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  min-width: 64px; padding: 4px 8px; background: #fff; border: 1px solid transparent;
  border-radius: 4px; cursor: pointer; font-size: 11px; color: var(--ink);
}
#ribbon .rbtn:hover { background: #eef3fb; border-color: #b9cbe8; }
#ribbon .rbtn.on { background: #fdeedd; border-color: var(--accent); }
#ribbon .ric { font-size: 17px; line-height: 1; color: var(--navy); }
#ribbon .rsep { width: 1px; background: var(--line); margin: 4px 6px; }
#ribbon .rinline { display: flex; align-items: center; gap: 4px; padding: 0 6px; color: var(--dim); }
#ribbon .rinline input { width: 52px; padding: 3px; border: 1px solid var(--line); border-radius: 3px; }

/* ---------- placement box row ---------- */
.pbrow {
  display: flex; align-items: center; gap: 12px; flex: 0 0 30px;
  /* hard-pinned height: if this strip ever grew (e.g. wrapped fields), the
     canvas below would shift mid-drag and corrupt cursor→world mapping */
  height: 30px; min-height: 30px; max-height: 30px; overflow: hidden;
  background: var(--chrome2); border-bottom: 1px solid var(--line); padding: 0 10px;
}
#placementbox { display: flex; align-items: center; gap: 8px; font-size: 11.5px; color: var(--ink); }
#placementbox label { color: var(--dim); font-size: 10.5px; }
#placementbox input {
  width: 64px; padding: 2px 5px; border: 1px solid var(--line); border-radius: 3px;
  background: #fff; font-size: 11.5px;
}
#sb-hint { margin-left: auto; color: var(--dim); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- middle ---------- */
.mid { flex: 1 1 auto; display: flex; min-height: 0; }
#catalog-panel {
  flex: 0 0 300px; background: #232a36; color: #e8eaee; display: flex; flex-direction: column;
  min-height: 0; overflow: hidden;
}
.workarea { flex: 1 1 auto; display: flex; flex-direction: column; min-width: 0; }
#tabs { display: flex; gap: 2px; background: var(--chrome2); border-bottom: 1px solid var(--line); padding: 3px 8px 0; flex: 0 0 auto; }
#tabs .vtab {
  background: transparent; border: 1px solid transparent; border-bottom: none;
  padding: 4px 16px; font-size: 12px; cursor: pointer; border-radius: 4px 4px 0 0; color: var(--ink);
}
#tabs .vtab.on { background: #fff; border-color: var(--line); color: var(--navy); font-weight: 600; }
#tabs .vtab { display: inline-flex; align-items: center; gap: 7px; }
#tabs .vtab .vtab-x {
  display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px;
  margin-right: -6px; border-radius: 3px; font-size: 14px; line-height: 1; color: var(--dim);
}
#tabs .vtab .vtab-x:hover { background: #e5484d; color: #fff; }
#tabs .vtab-add-wrap { position: relative; display: inline-flex; }
#tabs .vtab-add {
  background: transparent; border: 1px solid transparent; border-bottom: none; color: var(--ink);
  padding: 1px 11px; font-size: 16px; line-height: 1.4; cursor: pointer; border-radius: 4px 4px 0 0;
}
#tabs .vtab-add:hover { background: #ffffffaa; }
#tabs .vtab-add-menu {
  position: absolute; top: 100%; left: 0; z-index: 60; min-width: 132px; padding: 4px;
  background: #fff; border: 1px solid var(--line); border-radius: 0 5px 5px 5px;
  box-shadow: 0 6px 16px rgba(0,0,0,.16);
}
#tabs .vtab-add-item {
  display: block; width: 100%; text-align: left; background: transparent; border: none;
  padding: 6px 12px; font-size: 12px; cursor: pointer; color: var(--ink); border-radius: 3px;
}
#tabs .vtab-add-item:hover { background: var(--navy); color: #fff; }
/* ---------- MDI: desktop, floating design windows, taskbar ---------- */
#mddesktop {
  position: relative; flex: 1 1 auto; min-height: 0; display: flex; overflow: hidden;
  background: #cfd6e0;
}
#mdtaskbar { flex: 0 0 auto; display: none; gap: 4px; padding: 3px 8px; background: var(--chrome2); border-top: 1px solid var(--line); }
#mdtaskbar .mdtask { background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 3px 12px; font-size: 12px; cursor: pointer; color: var(--ink); }
#mdtaskbar .mdtask:hover { border-color: var(--navy); color: var(--navy); }

.mdwin {
  position: absolute; display: flex; flex-direction: column; background: #fff;
  border: 1px solid #97a1b0; border-radius: 6px 6px 4px 4px; overflow: hidden;
  box-shadow: 0 6px 20px rgba(0,0,0,.20); min-width: 240px; min-height: 150px;
}
.mdwin.mdwin-active { border-color: var(--navy); box-shadow: 0 10px 30px rgba(31,56,100,.30); }
.mdwin.mdwin-max { left: 0 !important; top: 0 !important; width: 100% !important; height: 100% !important; border-radius: 0; }
.mdwin-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  background: var(--chrome2); border-bottom: 1px solid var(--line); padding: 3px 5px 3px 10px;
  cursor: move; user-select: none; flex: 0 0 auto;
}
.mdwin-active .mdwin-bar { background: var(--navy); color: #fff; }
.mdwin-title { font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mdwin-btns { display: inline-flex; gap: 1px; flex: 0 0 auto; }
.mdwin-btn { width: 24px; height: 20px; border: none; background: transparent; color: inherit; font-size: 13px; line-height: 1; cursor: pointer; border-radius: 3px; }
.mdwin-btn:hover { background: rgba(128,128,128,.25); }
.mdwin-active .mdwin-btn:hover { background: rgba(255,255,255,.22); }
.mdwin-close:hover { background: #e5484d !important; color: #fff; }
.mdwin-tabs { display: flex; align-items: flex-end; gap: 2px; flex: 0 0 auto; background: var(--chrome2); border-bottom: 1px solid var(--line); padding: 3px 6px 0; }
.mdwin-tabs .mdvtab { display: inline-flex; align-items: center; gap: 6px; background: transparent; border: 1px solid transparent; border-bottom: none; padding: 3px 12px; font-size: 11.5px; cursor: pointer; border-radius: 4px 4px 0 0; color: var(--ink); }
.mdwin-tabs .mdvtab.on { background: #fff; border-color: var(--line); color: var(--navy); font-weight: 600; }
.mdwin-tabs .mdvtab-x { display: inline-flex; align-items: center; justify-content: center; width: 15px; height: 15px; margin-right: -5px; border-radius: 3px; font-size: 13px; color: var(--dim); }
.mdwin-tabs .mdvtab-x:hover { background: #e5484d; color: #fff; }
.mdwin-tabs .mdvtab-add-wrap { position: relative; display: inline-flex; }
.mdwin-tabs .mdvtab-add { background: transparent; border: 1px solid transparent; border-bottom: none; color: var(--ink); padding: 1px 9px; font-size: 15px; line-height: 1.35; cursor: pointer; border-radius: 4px 4px 0 0; }
.mdwin-tabs .mdvtab-add:hover { background: #ffffffaa; }
.mdwin-tabs .mdvtab-add-menu { position: absolute; top: 100%; left: 0; z-index: 60; min-width: 120px; padding: 4px; background: #fff; border: 1px solid var(--line); border-radius: 0 5px 5px 5px; box-shadow: 0 6px 16px rgba(0,0,0,.16); }
.mdwin-tabs .mdvtab-add-item { display: block; width: 100%; text-align: left; background: transparent; border: none; padding: 5px 12px; font-size: 12px; cursor: pointer; color: var(--ink); border-radius: 3px; }
.mdwin-tabs .mdvtab-add-item:hover { background: var(--navy); color: #fff; }
.mdwin-body { position: relative; flex: 1 1 auto; min-height: 0; overflow: hidden; background: var(--bg); }
.mdwin-body > #viewwrap { position: absolute; inset: 0; }
.mdwin-ph {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; cursor: pointer; color: var(--dim);
  background: repeating-linear-gradient(45deg, #eef1f5, #eef1f5 11px, #e6eaf0 11px, #e6eaf0 22px);
}
.mdwin-ph-name { font-size: 15px; font-weight: 600; color: var(--navy); }
.mdwin-ph-hint { font-size: 11px; }
.mdwin-grip { position: absolute; right: 0; bottom: 0; width: 16px; height: 16px; cursor: nwse-resize; z-index: 6; }
.mdwin-grip::after { content: ""; position: absolute; right: 3px; bottom: 3px; width: 7px; height: 7px; border-right: 2px solid #97a1b0; border-bottom: 2px solid #97a1b0; }

#viewwrap { flex: 1 1 auto; position: relative; min-height: 0; background: var(--bg); }
#plan { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#view-elev { position: absolute; inset: 0; display: none; flex-direction: column; background: var(--bg); }
#elev-picker {
  display: flex; gap: 4px; padding: 6px 10px; background: #fff; border-bottom: 1px solid var(--line);
  flex: 0 0 auto; flex-wrap: wrap;
}
#elev-picker button {
  background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 4px 12px;
  font-size: 11.5px; cursor: pointer; color: var(--ink);
}
#elev-picker button.on { background: var(--navy); color: #fff; border-color: var(--navy); }
#elev { flex: 1 1 auto; width: 100%; min-height: 0; }
#view-items { position: absolute; inset: 0; display: none; overflow: auto; background: #fff; padding: 14px 18px; }
#view-3d { position: absolute; inset: 0; display: none; background: #eef1f5; }
#view-3d canvas { display: block; }

/* plan display tabs (bottom-left overlay) */
#plan-tabs {
  position: absolute; left: 8px; bottom: 8px; display: flex; gap: 2px; z-index: 20;
}
#plan-tabs button {
  background: #fffd; border: 1px solid var(--line); padding: 3px 10px; font-size: 10.5px;
  cursor: pointer; color: var(--ink);
}
#plan-tabs button:first-child { border-radius: 4px 0 0 4px; }
#plan-tabs button:last-child { border-radius: 0 4px 4px 0; }
#plan-tabs button.on { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ---------- items list table ---------- */
#view-items table { border-collapse: collapse; width: 100%; font-size: 12px; }
#view-items th {
  text-align: left; font-size: 10px; text-transform: uppercase; letter-spacing: .8px;
  color: #fff; background: var(--navy); padding: 6px 8px; position: sticky; top: -14px;
}
#view-items td { padding: 5px 8px; border-bottom: 1px solid #eef0f3; vertical-align: top; }
#view-items tr.auto td { color: var(--dim); font-style: italic; }
#view-items .flag { color: #a33; font-size: 10px; font-weight: 600; }
#view-items .stepper { border: 1px solid var(--line); background: #fff; border-radius: 3px; width: 18px; height: 18px; cursor: pointer; font-size: 11px; padding: 0; }
#view-items tfoot td { font-weight: 700; border-top: 2px solid var(--navy); }

/* ---------- status bar ---------- */
#statusbar {
  flex: 0 0 24px; display: flex; align-items: center; gap: 14px; padding: 0 10px;
  background: var(--navy); color: #dfe7f5; font-size: 11px;
}
#statusbar .sb-left { flex: 1 1 auto; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#statusbar .sb-mid { display: flex; gap: 12px; color: #9fb4d8; }
#statusbar .sb-right { display: flex; gap: 3px; }
#statusbar .sbt {
  background: transparent; color: #9fb4d8; border: 1px solid #ffffff33; border-radius: 3px;
  font-size: 9.5px; padding: 1px 7px; cursor: pointer; letter-spacing: .5px;
}
#statusbar .sbt.on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- generic dialog / menu chrome (modules position their own) ---------- */
.md-dialog, .md-menu { font-family: "Segoe UI", Arial, sans-serif; }
button { font-family: inherit; }
input, select { font-family: inherit; }