/* UC Degree Checker & Planner. Utilitarian: flat, square, dense, 1px borders. */

:root {
  --uc-red: #c20000;        /* UC brand red (canterbury.ac.nz stylesheet) */
  --uc-red-dark: #9b0000;
  --uc-red-bright: #eb0000;
  --uc-blue: var(--uc-red);        /* accent aliases kept for markup reuse */
  --uc-blue-dark: var(--uc-red-dark);
  --green: #2e7d32;
  --green-fill: #e8f5e9;
  --red: #cc0011;
  --red-fill: #fdecea;
  --gold: #d0bf7d;
  --gold-fill: #fbf6e7;
  --ink: #1a1918;
  --grey: #6b6c6b;
  --line: #999;
  --panel-head: #e8e8e8;
  --bg: #f2f2f2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 13px/1.45 "Segoe UI", Tahoma, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 8px 14px;
  background: var(--uc-red);       /* UC primary red */
  color: #fff;
}
header h1 { margin: 0; font-size: 16px; display: inline; }
header .brand .sub { display: block; font-size: 14px; font-weight: 700; }
header .sub { font-size: 11px; margin-left: 10px; }
.health { font-size: 11px; }
.exportbar { display: flex; align-items: center; gap: 6px; font-size: 11px; color: #fff; }
.exportbar label { color: #fff; margin: 0; font-size: 11px; }
.exportbar .filebtn { color: var(--ink); }
.exportbar select { width: auto; margin: 0; font-size: 11px; max-width: 260px; }
.exportbar .filebtn { font-size: 11px; padding: 2px 6px; }
header .right { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }

main { padding: 10px 14px 20px; max-width: 1500px; margin: 0 auto; }

.setup {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 10px;
}
@media (max-width: 1100px) { .setup { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 0;
}
.card h2 {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--panel-head);
  border-bottom: 1px solid var(--line);
  padding: 5px 8px;
}
.card > *:not(h2) { margin-left: 8px; margin-right: 8px; }
.card > *:last-child { margin-bottom: 8px; }

label { display: block; font-size: 11px; color: #333; margin: 8px 8px 2px; }
.checkline {
  display: flex; align-items: center; gap: 5px;
  font-size: 12px; margin: 6px 8px 0;
}
.checkline input { margin: 0; }

input[type="search"], input[type="text"], textarea, select {
  width: calc(100% - 16px);
  font: inherit;
  font-size: 12px;
  padding: 3px 5px;
  border: 1px solid var(--line);
  background: #fff;
  margin: 0 8px;
}
textarea { resize: vertical; font-family: Consolas, "Courier New", monospace; }
select[multiple], select[size] { padding: 1px; }
select option { padding: 1px 4px; }

.qual-title { font-weight: 700; margin: 8px 8px 2px; }
.qual-info details { margin: 6px 8px 0; }
.qual-info summary { cursor: pointer; font-size: 12px; color: var(--uc-blue-dark); }
#rules-text {
  font-size: 11px;
  line-height: 1.5;
  font-family: Consolas, "Courier New", monospace;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 6px;
  overflow: auto;
  max-height: 320px;
  white-space: pre-wrap;
  margin: 4px 0 0;
}

.chips {
  display: flex; flex-wrap: wrap; gap: 3px;
  margin: 6px 8px 0; min-height: 18px;
}
.chip {
  font-size: 11px;
  font-family: Consolas, "Courier New", monospace;
  background: var(--gold-fill);
  border: 1px solid var(--gold);
  padding: 0 4px;
}
.chip.bad { background: var(--red-fill); border-color: var(--red); color: var(--red); }
.chips .count { font-size: 11px; color: var(--grey); align-self: center; }

.row { display: flex; align-items: center; gap: 6px; margin: 8px 8px 0; flex-wrap: wrap; }
.note { font-size: 11px; color: var(--green); margin: 6px 8px 0; }
.note.bad { color: var(--red); }

.dropzone { border: 1px solid var(--line); }
.dropzone.dragging { outline: 2px dashed var(--uc-blue); outline-offset: -4px; }
.drophint { font-size: 11px; color: var(--grey); margin: 4px 8px 0; }

.filebtn {
  display: inline-block;
  font-size: 12px;
  border: 1px solid var(--line);
  background: var(--panel-head);
  padding: 3px 8px;
  cursor: pointer;
  margin: 0;
}
.filebtn input { display: none; }

button {
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel-head);
  padding: 3px 8px;
}
button:hover:not(:disabled) { background: #ddd; }
button:disabled { opacity: 0.5; cursor: wait; }
.ghost { text-decoration: none; color: var(--ink); display: inline-block; }

.actions { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 8px 0; }
.act.primary {
  background: var(--uc-blue-dark);
  color: #fff;
  border-color: var(--uc-blue-dark);
  font-weight: 700;
}
.act.primary:hover:not(:disabled) { background: var(--uc-blue); }

.param-row { display: flex; gap: 4px; margin: 6px 8px 0; align-items: stretch; flex-wrap: wrap; }
.param-row input[type="text"] { flex: 1 1 130px; width: auto; margin: 0; }
.param-row select { flex: 1 1 130px; width: auto; margin: 0; }

/* Results */
#results { margin-top: 12px; }

.verdict {
  border: 2px solid var(--line);
  background: #fff;
  padding: 8px 10px;
  font-size: 15px;
  font-weight: 700;
}
.verdict.ok { background: var(--green-fill); border-color: var(--green); color: var(--green); }
.verdict.no { background: var(--red-fill); border-color: var(--red); color: var(--red); }
.verdict.neutral { background: #f2f2f2; border-color: #1a1918; color: #1a1918; }

.summary { margin: 6px 0 0; font-size: 13px; }
.warnings { margin: 4px 0 0; padding-left: 18px; }
.warnings li { font-size: 12px; color: #7a6000; }

.error {
  margin-top: 8px;
  background: var(--red-fill);
  border: 1px solid var(--red);
  color: var(--red);
  padding: 6px 8px;
  font-size: 13px;
}

.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
@media (max-width: 1100px) { .result-grid { grid-template-columns: 1fr; } }

.panel {
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 10px;
  overflow: auto;
}
.panel h3 { margin: 0 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }

#allocation-table { border-collapse: collapse; width: 100%; font-size: 12px; }
#allocation-table td { border: 1px solid #ccc; padding: 2px 6px; vertical-align: top; }
#allocation-table td.ref { font-weight: 700; white-space: nowrap; }
#allocation-table td.codes { font-family: Consolas, "Courier New", monospace; }

#detail-body { font-size: 12px; }
#detail-body table { border-collapse: collapse; width: 100%; }
#detail-body td, #detail-body th {
  border: 1px solid #ccc;
  padding: 2px 6px;
  text-align: left;
  font-size: 12px;
}
#detail-body th { background: var(--panel-head); }
#detail-body .mono { font-family: Consolas, "Courier New", monospace; }
#detail-body .yes { color: var(--green); font-weight: 700; }
#detail-body .no { color: var(--red); font-weight: 700; }
#detail-body ul { margin: 0; padding-left: 18px; }

#svg-panel { margin-top: 10px; }
#svg-panel .row { margin: 0 0 6px; }
.svg-scroll { overflow: auto; max-height: 640px; border: 1px solid var(--line); background: #fff; }
.svg-scroll img, .svg-scroll svg { display: block; }
.svg-scroll.fit svg, .svg-scroll.fit img { width: 100%; height: auto; }

footer {
  display: flex;
  justify-content: space-between;
  padding: 8px 14px 14px;
  font-size: 11px;
  color: var(--grey);
  max-width: 1500px;
  margin: 0 auto;
}

.addbtn { margin-top: 4px; }
.slot-table td.slot-plan { background: var(--panel-head); font-weight: 700; font-family: Consolas, "Courier New", monospace; }
.slot-courses .held { font-weight: 700; background: var(--gold-fill); border: 1px solid var(--gold); padding: 0 3px; }
.slot-table td { vertical-align: top; }

.hidden { display: none !important; }