/* Rooman brand palette */
:root {
  --navy:    #1F3469;
  --red:     #C73E2C;
  --orange:  #F8951E;
  --green:   #327838;
  --bg:      #F5F7FA;
  --card:    #FFFFFF;
  --grey-1:  #1f2937;
  --grey-2:  #4b5563;
  --grey-3:  #9ca3af;
  --grey-4:  #e5e7eb;
  --shadow:  0 4px 16px rgba(31,52,105,0.08);
  --radius:  10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--grey-1);
  background: var(--bg);
  line-height: 1.55;
}

/* topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  background: white;
  border-bottom: 1px solid var(--grey-4);
}
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand .dot {
  width: 12px; height: 12px; border-radius: 999px;
  background: linear-gradient(135deg, var(--orange), var(--red));
  display: inline-block; transform: translateY(2px);
}
.brand-name { font-weight: 700; color: var(--navy); font-size: 20px; }
.brand-sub  { color: var(--grey-2); font-size: 14px; }
.topbar nav a {
  color: var(--grey-2); text-decoration: none; margin-left: 20px; font-size: 14px;
}
.topbar nav a:hover { color: var(--navy); }

/* layout */
main {
  max-width: 1080px;
  margin: 32px auto;
  padding: 0 24px;
}

/* card */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  margin-bottom: 24px;
}
.card h1 { color: var(--navy); margin: 0 0 8px; font-size: 28px; }
.card .lede { color: var(--grey-2); margin: 0 0 20px; }

.hidden { display: none !important; }

/* form */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid .full { grid-column: 1 / -1; }
label > span {
  display: block; font-weight: 600; color: var(--grey-1);
  margin-bottom: 4px; font-size: 14px;
}
label small {
  display: block; color: var(--grey-3); margin-top: 4px; font-size: 12px;
}
input[type=text], input[type=number], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--grey-4);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: white;
  transition: border .15s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(31,52,105,0.12);
}
textarea { resize: vertical; min-height: 90px; }

/* buttons */
button.primary, a.primary.button {
  background: var(--navy);
  color: white;
  border: none;
  padding: 11px 22px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
  display: inline-block;
}
button.primary:hover, a.primary.button:hover { background: #16244A; }
button.primary:disabled { background: var(--grey-3); cursor: wait; }
button.secondary {
  background: white; color: var(--grey-2);
  border: 1px solid var(--grey-4);
  padding: 8px 16px; border-radius: 8px;
  font-size: 13px; cursor: pointer;
}
button.secondary:hover { border-color: var(--navy); color: var(--navy); }
.submit-row { display: flex; align-items: center; gap: 16px; margin-top: 8px; }
.submit-row span { color: var(--grey-2); font-size: 13px; }

/* step head */
.step-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-bottom: 16px;
}

/* meta strip */
.meta-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  background: var(--bg);
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 24px;
}
.meta-strip .k {
  display: block; color: var(--grey-3); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 4px;
}
.meta-strip .v { display: block; font-weight: 600; color: var(--navy); }

/* outcomes / prereqs */
.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.two-col h4 {
  margin: 0 0 8px; color: var(--grey-2);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em;
}
ul { padding-left: 20px; margin: 0 0 8px; }
ul li { margin-bottom: 6px; }

/* sessions */
.session {
  border: 1px solid var(--grey-4);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 12px;
  background: white;
}
.session-row {
  display: flex; gap: 16px; align-items: flex-start;
}
.session-num {
  background: var(--navy); color: white;
  width: 32px; height: 32px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
  flex-shrink: 0;
}
.session-body { flex: 1; }
.session h3 { margin: 0 0 6px; font-size: 17px; color: var(--grey-1); }
.session .timing {
  font-size: 12px; color: var(--grey-3);
  margin-bottom: 8px;
}
.session .timing span { margin-right: 12px; }
.session .objectives, .session .topics {
  margin: 4px 0 8px;
  font-size: 13px;
  color: var(--grey-2);
}
.session input.title-input {
  font-size: 17px; font-weight: 600; padding: 6px 8px;
  border: 1px dashed transparent; background: transparent;
}
.session input.title-input:hover { border-color: var(--grey-4); }

.lab-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, rgba(248,149,30,0.1), rgba(199,62,44,0.1));
  border: 1px solid rgba(199,62,44,0.2);
  color: var(--red); font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px;
  margin-bottom: 8px;
}
.lab-pill.python { background: rgba(50,120,56,0.1); color: var(--green); border-color: rgba(50,120,56,0.2); }
.lab-pill.java   { background: rgba(199,62,44,0.1); color: var(--red);   border-color: rgba(199,62,44,0.2); }
.lab-pill.sql    { background: rgba(31,52,105,0.1); color: var(--navy);  border-color: rgba(31,52,105,0.2); }

.lab-toggle {
  font-size: 12px; color: var(--grey-3); cursor: pointer;
  text-decoration: underline;
}
.lab-detail {
  background: var(--bg); border-radius: 6px;
  padding: 12px 16px; margin-top: 8px;
  font-size: 13px;
}
.lab-detail h5 { margin: 8px 0 4px; color: var(--grey-2); font-size: 12px; text-transform: uppercase; }
.lab-detail pre {
  background: white; border: 1px solid var(--grey-4); padding: 10px;
  border-radius: 6px; overflow-x: auto; font-size: 12px;
  max-height: 200px; overflow-y: auto;
}
.lab-detail .files-list { font-family: monospace; font-size: 12px; }
.lab-detail .files-list li { color: var(--grey-2); }

.launch-id {
  display: inline-block;
  background: rgba(50,120,56,0.1); color: var(--green);
  font-family: monospace; font-size: 11px;
  padding: 2px 8px; border-radius: 4px;
  margin-left: 8px;
}

.warn {
  background: #FFF4E5;
  border-left: 3px solid var(--orange);
  padding: 10px 14px;
  border-radius: 4px;
  margin: 16px 0;
  font-size: 13px;
}

.actions-row {
  display: flex; gap: 16px; align-items: center;
  padding-top: 20px; border-top: 1px solid var(--grey-4);
  margin-top: 16px;
}

/* details/summary */
details.block {
  border: 1px solid var(--grey-4); border-radius: 8px;
  padding: 0; margin-bottom: 20px;
}
details.block summary {
  padding: 12px 16px; cursor: pointer; font-weight: 600;
  color: var(--grey-1);
  list-style: none;
}
details.block summary::-webkit-details-marker { display: none; }
details.block summary::before { content: "▸ "; color: var(--grey-3); }
details.block[open] summary::before { content: "▾ "; }
details.block .block-body { padding: 0 16px 16px; }

/* result block */
#olx-result {
  margin-top: 24px;
  padding: 16px; background: rgba(50,120,56,0.05);
  border: 1px solid rgba(50,120,56,0.2);
  border-radius: 8px;
}
.steps { padding-left: 22px; margin-top: 16px; }
.steps li { margin-bottom: 8px; color: var(--grey-2); }

.auth-banner {
  background: #FFF4E5;
  padding: 14px 20px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--grey-1);
}

footer.footnote {
  text-align: center; color: var(--grey-3); font-size: 12px;
  padding: 24px 0;
}

/* Per-session edit-mode + actions */
.session.editing {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(31,52,105,0.06);
}
.session-header {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; margin-bottom: 4px;
}
.session-title { margin: 0; font-size: 17px; }
.session-actions { display: flex; gap: 6px; flex-shrink: 0; }
.icon-btn {
  background: white; border: 1px solid var(--grey-4); color: var(--grey-2);
  padding: 4px 10px; border-radius: 6px; font-size: 12px; cursor: pointer;
}
.icon-btn:hover { border-color: var(--navy); color: var(--navy); }
.icon-btn.primary { background: var(--navy); color: white; border-color: var(--navy); }
.icon-btn.primary:hover { background: #16244A; }
.icon-btn.danger { color: var(--red); }
.icon-btn.danger:hover { border-color: var(--red); color: var(--red); }

.title-input-edit {
  font-size: 17px; font-weight: 600;
  padding: 6px 8px; border: 1px solid var(--grey-4); border-radius: 6px;
  width: 100%; max-width: 600px;
}
.edit-row {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px;
}
.edit-field {
  display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 200px;
  margin-top: 8px;
}
.edit-field > span {
  font-weight: 600; font-size: 12px; color: var(--grey-2);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.edit-field textarea, .edit-field input, .edit-field select {
  padding: 6px 10px; border: 1px solid var(--grey-4); border-radius: 6px;
  font-size: 13px; font-family: inherit;
}
.edit-block {
  margin-top: 14px; padding: 12px; background: var(--bg);
  border-radius: 6px;
}
.edit-block h4 {
  margin: 0 0 8px; color: var(--grey-2);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em;
}
.files-editor {
  margin-top: 12px;
}
.files-editor h5 {
  margin: 8px 0 4px; font-size: 12px; color: var(--grey-2);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.file-edit-row {
  background: white; padding: 6px 8px; border: 1px solid var(--grey-4);
  border-radius: 4px; margin-bottom: 4px;
}
.file-edit-row summary {
  display: flex; gap: 8px; align-items: center;
  list-style: none; cursor: pointer;
}
.file-edit-row summary::-webkit-details-marker { display: none; }
.file-edit-row .file-path {
  flex: 1; font-family: monospace; font-size: 12px;
  border: 1px solid transparent; padding: 4px 6px; border-radius: 4px;
}
.file-edit-row[open] .file-path { border-color: var(--grey-4); background: white; }
.file-edit-row .file-content {
  width: 100%; margin-top: 8px; font-family: monospace; font-size: 12px;
  border: 1px solid var(--grey-4); border-radius: 4px; padding: 6px;
  resize: vertical;
}
.add-session-row {
  display: flex; justify-content: center; padding: 12px 0;
}
.muted { color: var(--grey-3); font-size: 12px; }

/* Regenerate modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(31,52,105,0.4);
  display: flex; justify-content: center; align-items: center;
  z-index: 100;
}
.modal-overlay.hidden { display: none; }
.modal-card {
  background: white; border-radius: var(--radius); padding: 24px;
  width: 90%; max-width: 580px; box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}
.modal-card header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.modal-card h3 { margin: 0; color: var(--navy); }

@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
  .meta-strip { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .session-header { flex-direction: column; align-items: flex-start; }
}

/* ================================================================
   Stepper (six steps along the top)
   ================================================================ */
.stepper {
  display: flex; align-items: center; justify-content: center;
  max-width: 1080px; margin: 24px auto 0; padding: 0 24px;
  flex-wrap: wrap; gap: 4px 0;
}
.stepper-step {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--grey-4);
  color: var(--grey-3);
  font-size: 13px; font-weight: 500;
}
.stepper-step .num {
  width: 22px; height: 22px; border-radius: 999px;
  background: var(--grey-4); color: var(--grey-2);
  display: inline-flex; justify-content: center; align-items: center;
  font-size: 12px; font-weight: 600;
}
.stepper-step.active {
  background: var(--navy); color: white; border-color: var(--navy);
}
.stepper-step.active .num {
  background: var(--orange); color: white;
}
.stepper-step.done {
  color: var(--green); border-color: rgba(50,120,56,0.3);
}
.stepper-step.done .num {
  background: var(--green); color: white;
}
.stepper-step.done .num::after { content: "✓"; }
.stepper-step.done .num { font-size: 0; }
.stepper-step.done .num::after { font-size: 12px; }
/* Chips for stages already reached can be clicked to jump back/forward. */
.stepper-step.clickable { cursor: pointer; }
.stepper-step.clickable:hover { border-color: var(--navy); }
.stepper-sep {
  width: 18px; height: 2px; background: var(--grey-4);
}
@media (max-width: 800px) {
  .stepper { gap: 2px; padding: 0 8px; }
  .stepper-step { padding: 4px 8px; font-size: 12px; }
  .stepper-step .label { display: none; }
  .stepper-sep { width: 8px; }
}

/* ================================================================
   Stage 3 — Content blocks
   ================================================================ */
.content-progress {
  background: rgba(31,52,105,0.04);
  padding: 12px 16px; border-radius: 8px; margin-bottom: 20px;
  font-size: 13px; color: var(--grey-2);
}
.content-progress .progress-bar {
  margin-top: 8px; height: 6px; background: var(--grey-4);
  border-radius: 999px; overflow: hidden;
}
.content-progress .progress-bar > div {
  height: 100%; background: var(--orange); width: 0;
  transition: width 0.4s ease;
}
.content-block, .lab-block, .assess-block {
  background: white; border: 1px solid var(--grey-4); border-radius: 8px;
  padding: 16px 20px; margin-bottom: 16px;
}
.content-block.editing {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(31,52,105,0.06);
}
.content-block.approved {
  border-color: rgba(50,120,56,0.4);
  background: rgba(50,120,56,0.03);
}
.content-block.missing {
  border-color: rgba(199,62,44,0.3);
  background: rgba(199,62,44,0.04);
}
.content-head {
  display: flex; align-items: center; gap: 12px; margin-bottom: 8px;
  flex-wrap: wrap;
}
.content-num {
  width: 30px; height: 30px; border-radius: 999px;
  background: var(--navy); color: white;
  display: inline-flex; justify-content: center; align-items: center;
  font-weight: 700; font-size: 13px; flex-shrink: 0;
}
.content-title {
  font-size: 16px; font-weight: 600; color: var(--grey-1); flex: 1;
  min-width: 240px;
}
.content-meta {
  display: block; font-size: 12px; color: var(--grey-3);
  font-weight: 400; margin-top: 2px;
}
.approved-pill {
  background: var(--green); color: white;
  padding: 3px 10px; border-radius: 999px; font-size: 12px;
}
.code-example {
  background: var(--bg); border-radius: 6px; padding: 8px 12px;
  margin: 6px 0;
}
.code-example summary { cursor: pointer; font-weight: 500; }
.code-example pre {
  background: white; padding: 8px 12px; margin-top: 6px;
  border-radius: 4px; font-family: monospace; font-size: 12px;
  overflow-x: auto;
}
.md-preview {
  font-size: 14px; color: var(--grey-1); line-height: 1.6;
  background: var(--bg); padding: 16px 20px; border-radius: 6px;
  margin-top: 8px;
}
.md-preview h1, .md-preview h2, .md-preview h3, .md-preview h4 {
  color: var(--navy); margin: 12px 0 6px;
}
.md-preview h1 { font-size: 20px; }
.md-preview h2 { font-size: 17px; }
.md-preview h3 { font-size: 15px; }
.md-preview pre {
  background: white; padding: 10px 12px; border-radius: 4px;
  overflow-x: auto; font-size: 12px;
}
.md-preview code {
  background: rgba(31,52,105,0.06); padding: 1px 4px; border-radius: 3px;
  font-size: 12px;
}
.md-preview p { margin: 6px 0; }

/* ================================================================
   Stage 5 — Assessments
   ================================================================ */
.quiz-q {
  border-left: 3px solid var(--orange);
  padding: 8px 14px; margin: 10px 0;
  background: var(--bg); border-radius: 0 6px 6px 0;
}
.quiz-q ol { margin: 6px 0; }
.quiz-q li.correct { color: var(--green); font-weight: 600; }
.quiz-q .muted { font-size: 12px; }

/* ================================================================
   Stage 6 — Media
   ================================================================ */
.media-toggle {
  display: flex; align-items: center; gap: 10px;
  background: white; border: 1px solid var(--grey-4); border-radius: 8px;
  padding: 12px 16px; font-weight: 500; cursor: pointer;
}
.media-toggle input { width: 18px; height: 18px; }
.media-summary { margin-top: 12px; }
.media-row {
  padding: 8px 0; border-bottom: 1px solid var(--grey-4);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.media-chip {
  background: rgba(31,52,105,0.08); color: var(--navy);
  border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 600;
}
a.media-chip.clickable {
  text-decoration: none; cursor: pointer;
  transition: background 0.15s;
}
a.media-chip.clickable:hover { background: var(--navy); color: #fff; }
.media-chip-group {
  display: inline-flex; align-items: stretch; margin: 2px 4px;
  border-radius: 999px; overflow: hidden; border: 1px solid var(--grey-4);
}
.media-chip-group .media-chip { border-radius: 0; margin: 0; }
.chip-replace {
  background: #fff; border: none; border-left: 1px solid var(--grey-4);
  color: var(--grey-2); font-size: 11px; font-weight: 600;
  padding: 2px 9px; cursor: pointer;
}
.chip-replace:hover { background: var(--orange); color: #fff; }

/* Per-chip status colours for the session × kind media grid. */
.media-chip.pending  { background: rgba(120,120,120,0.10); color: var(--grey-2); }
.media-chip.building { background: rgba(214,124,0,0.15); color: #9a5b00; }
.media-chip.building::after { content: ""; }
.media-chip.done     { background: rgba(50,120,56,0.14); color: #2c6e34; }
a.media-chip.done:hover { background: var(--green, #2c6e34); color: #fff; }
.media-chip.failed   { background: rgba(190,40,40,0.14); color: #b02a2a; cursor: help; }
.chip-retry {
  background: #fff; border: none; border-left: 1px solid var(--grey-4);
  color: #b02a2a; font-size: 11px; font-weight: 700;
  padding: 2px 9px; cursor: pointer;
}
.chip-retry:hover { background: #b02a2a; color: #fff; }
/* Idle = a chip that wasn't generated this run but is still offered. */
.media-chip.idle { background: rgba(31,52,105,0.05); color: var(--grey-2); border: 1px dashed var(--grey-4); }
.chip-gen {
  background: #fff; border: none; border-left: 1px solid var(--grey-4);
  color: var(--navy); font-size: 11px; font-weight: 700;
  padding: 2px 9px; cursor: pointer;
}
.chip-gen:hover { background: var(--navy); color: #fff; }
/* Re-generate a finished chip from scratch. */
.chip-regen {
  background: #fff; border: none; border-left: 1px solid var(--grey-4);
  color: var(--navy); font-size: 11px; font-weight: 600;
  padding: 2px 9px; cursor: pointer;
}
.chip-regen:hover { background: var(--navy); color: #fff; }
.button.secondary {
  display: inline-block; margin-left: 10px; text-decoration: none;
  padding: 10px 16px; border-radius: 8px;
  background: white; border: 1px solid var(--navy); color: var(--navy);
  cursor: pointer; font-size: 14px;
}
.button.secondary:hover { background: rgba(31,52,105,0.06); }

/* ---- Activity points editor (Publish step) ---- */
.points-table { overflow-x: auto; }
table.pts { border-collapse: collapse; width: 100%; font-size: 14px; }
table.pts th, table.pts td { padding: 6px 10px; border-bottom: 1px solid #e5e7eb; text-align: center; }
table.pts th { color: #6b7280; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
table.pts td.pts-sn { color: #6b7280; font-weight: 600; }
table.pts td.pts-title { text-align: left; max-width: 360px; }
table.pts input.pts-input { padding: 4px 6px; border: 1px solid #d6dce8; border-radius: 6px; font-size: 13px; text-align: center; }
table.pts input.pts-input:focus { outline: none; border-color: #1F3469; }
#points-total-chip.badge { background: #1F3469; color: #fff; border-radius: 999px; padding: 2px 12px; font-size: 13px; }