/* ============================================================
   Capstone PM Pro LMS — Summit/Glacier design system
   Navy / Teal / Amber / Glacier. Cambria display, Calibri body.
   (Matches the design system already used across Capstone PM Pro's
   other training materials — decks, posters, interactive explorers.)
   ============================================================ */

:root{
  --navy:        #0F2A44;
  --navy-deep:   #0A1E33;
  --teal:        #0E7C7B;
  --teal-dark:   #0A5E5D;
  --amber:       #C9A227;
  --amber-dark:  #A5831C;
  --glacier:     #F4F8F9;
  --glacier-dim: #E8EFF1;
  --ink:         #1B2733;
  --ink-soft:    #4B5B67;
  --border:      #DCE6E8;
  --white:       #FFFFFF;
  --danger:      #A3352B;
  --danger-bg:   #FBEAE8;
  --success:     #1E6B45;
  --success-bg:  #E7F4EC;

  --font-display: Cambria, Georgia, "Times New Roman", serif;
  --font-body: Calibri, "Segoe UI", -apple-system, Arial, sans-serif;

  --sidebar-w: 240px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font-body);
  background:var(--glacier);
  color:var(--ink);
  font-size:15px;
  line-height:1.5;
}
a{color:var(--teal-dark)}
h1,h2,h3,h4{font-family:var(--font-display); color:var(--navy); font-weight:700; line-height:1.25}
:focus-visible{outline:2px solid var(--amber); outline-offset:2px}

/* ---------------- Auth page (login) ---------------- */
.auth-page{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  padding:1.5rem;
  background:
    radial-gradient(circle at 15% 20%, rgba(201,162,39,0.10), transparent 40%),
    linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 55%, var(--teal-dark) 130%);
}
.auth-card{
  background:var(--white); border-radius:14px; padding:2.75rem;
  max-width:400px; width:100%;
  box-shadow:0 24px 60px -20px rgba(10,30,50,0.45);
  border-top:4px solid var(--amber);
}
.auth-card h1{font-size:1.6rem; margin-bottom:.2rem}
.auth-sub{color:var(--ink-soft); margin-bottom:1.75rem; font-size:.92rem}
.auth-card label{display:block; font-size:.82rem; font-weight:700; color:var(--navy); margin:.85rem 0 .3rem; text-transform:uppercase; letter-spacing:.03em}
.auth-card input{width:100%; padding:.7rem .8rem; border:1px solid var(--border); border-radius:8px; font-size:1rem; font-family:var(--font-body)}
.auth-card input:focus{border-color:var(--teal)}
.auth-card button{
  width:100%; margin-top:1.5rem; padding:.85rem; background:var(--teal); color:#fff; border:none;
  border-radius:8px; font-size:1rem; font-weight:700; font-family:var(--font-body); cursor:pointer;
  transition:background .15s ease;
}
.auth-card button:hover{background:var(--teal-dark)}
.alert{padding:.75rem 1rem; border-radius:8px; margin-bottom:1.1rem; font-size:.9rem}
.alert-error{background:var(--danger-bg); color:var(--danger)}
.alert-success{background:var(--success-bg); color:var(--success)}
.alert-info{background:#E8F1F6; color:#204C68}

/* ---------------- App shell: sidebar + main ---------------- */
.app-shell{display:flex; min-height:100vh}

.sidebar{
  width:var(--sidebar-w); flex-shrink:0; background:var(--navy);
  color:#CFE3E3; display:flex; flex-direction:column;
  position:sticky; top:0; height:100vh; overflow-y:auto;
}
.sidebar-brand{
  padding:1.5rem 1.4rem 1.1rem;
  position:relative;
}
.sidebar-brand .brand-name{font-family:var(--font-display); font-size:1.15rem; color:#fff; font-weight:700}
.sidebar-brand .brand-sub{font-size:.72rem; color:var(--amber); letter-spacing:.08em; text-transform:uppercase; margin-top:.15rem}
/* signature element: a thin ascending "summit" line under the brand mark */
.summit-line{
  height:2px; margin:.9rem 1.4rem 0; border-radius:2px;
  background:linear-gradient(90deg, var(--amber) 0%, rgba(201,162,39,0.15) 100%);
}
.sidebar-nav{padding:1rem .75rem; flex:1}
.sidebar-nav a{
  display:flex; align-items:center; gap:.6rem;
  color:#CFE3E3; text-decoration:none; font-size:.9rem; font-weight:600;
  padding:.65rem .75rem; border-radius:8px; margin-bottom:.15rem;
  transition:background .12s ease, color .12s ease;
}
.sidebar-nav a:hover{background:rgba(255,255,255,0.08); color:#fff}
.sidebar-nav a.active{background:var(--teal); color:#fff}
.sidebar-foot{padding:1rem 1.1rem 1.4rem; border-top:1px solid rgba(255,255,255,0.1); font-size:.8rem}
.sidebar-foot .user-name{color:#fff; font-weight:700; display:block; margin-bottom:.3rem}
.sidebar-foot a{color:#9FC7C6}

.main{flex:1; min-width:0; display:flex; flex-direction:column}
.main-header{
  padding:1.1rem 2rem; background:var(--white); border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
}
.main-header h1{font-size:1.4rem; margin:0}
.content{padding:1.75rem 2rem; flex:1}

/* Legacy simple topbar (kept for any page not yet on the sidebar shell) */
.topbar{display:flex; justify-content:space-between; align-items:center; background:var(--navy); color:#fff; padding:1rem 1.5rem; font-size:.9rem}
.topbar a{color:#CFE3E3}
.topnav a{color:#CFE3E3; margin-right:1.25rem; text-decoration:none; font-weight:700}
.topnav a:hover{color:#fff}
.container{max-width:1080px; margin:2rem auto; padding:0 1.5rem}
.container h1{margin-bottom:1rem}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-block; padding:.55rem 1.1rem; border-radius:8px; border:none;
  background:var(--teal); color:#fff; font-weight:700; font-family:var(--font-body);
  cursor:pointer; text-decoration:none; font-size:.88rem; transition:background .12s ease, transform .05s ease;
}
.btn:hover{background:var(--teal-dark)}
.btn:active{transform:translateY(1px)}
.btn-amber{background:var(--amber); color:var(--navy-deep)}
.btn-amber:hover{background:var(--amber-dark)}
.btn-danger{background:var(--danger)}
.btn-danger:hover{background:#7f231b}
.btn-secondary{background:var(--glacier-dim); color:var(--navy); border:1px solid var(--border)}
.btn-secondary:hover{background:#dbe6e8}
.btn-sm{padding:.35rem .7rem; font-size:.8rem}

/* ---------------- Cards, tables, forms ---------------- */
.card{background:var(--white); border:1px solid var(--border); border-radius:12px; padding:1.6rem; margin-bottom:1.5rem; box-shadow:0 1px 3px rgba(15,42,68,0.04)}

.stat-card{flex:1; min-width:150px; text-align:center}
.stat-card .stat-value{font-family:var(--font-display); font-size:2.1rem; font-weight:700; color:var(--navy)}
.stat-card .stat-label{color:var(--ink-soft); font-size:.85rem; margin-top:.2rem}

table.data-table{width:100%; border-collapse:collapse; background:var(--white); margin:1rem 0; font-size:.88rem; border-radius:10px; overflow:hidden; border:1px solid var(--border)}
table.data-table th, table.data-table td{padding:.7rem .9rem; border-bottom:1px solid var(--border); text-align:left}
table.data-table th{background:var(--glacier-dim); color:var(--navy); font-weight:700; font-size:.78rem; text-transform:uppercase; letter-spacing:.03em}
table.data-table tr:last-child td{border-bottom:none}
table.data-table tr:hover td{background:var(--glacier)}

.form-row{margin-bottom:1.1rem}
.form-row label{display:block; font-weight:700; font-size:.82rem; color:var(--navy); margin-bottom:.3rem}
.form-row input[type=text], .form-row input[type=email], .form-row input[type=password],
.form-row input[type=number], .form-row textarea, .form-row select{
  width:100%; padding:.6rem .7rem; border:1px solid var(--border); border-radius:8px; font-size:.95rem; font-family:var(--font-body)
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus{border-color:var(--teal)}
.form-row .hint{font-size:.78rem; color:var(--ink-soft); margin-top:.3rem}
.inline-form{display:inline}

.badge{display:inline-block; padding:.2rem .6rem; border-radius:12px; font-size:.72rem; font-weight:700; letter-spacing:.02em}
.badge-active{background:var(--success-bg); color:var(--success)}
.badge-disabled{background:var(--danger-bg); color:var(--danger)}
.badge-draft{background:var(--glacier-dim); color:var(--ink-soft)}
.badge-published{background:var(--success-bg); color:var(--success)}
.badge-archived{background:#EFEFEF; color:#666}

.progress-bar{background:var(--glacier-dim); border-radius:6px; height:10px; overflow:hidden; margin:.5rem 0}
.progress-bar-fill{background:linear-gradient(90deg, var(--teal), var(--amber)); height:100%}

.actions-row{display:flex; gap:.6rem; margin:1.2rem 0; flex-wrap:wrap}

/* ---------------- Lesson content: full-bleed video/tool ---------------- */
/* This is the fix for "tools should fill the screen": the lesson chrome
   (header, mark-complete bar, quiz panel) is compact, and the video/tool
   frame consumes the remaining viewport height edge-to-edge — no card
   padding boxing it in. */
.lesson-shell{display:flex; flex-direction:column; height:100vh}
.lesson-topbar{
  padding:.85rem 1.5rem; background:var(--navy); color:#fff;
  display:flex; align-items:center; justify-content:space-between; flex-shrink:0;
}
.lesson-topbar a{color:#CFE3E3; font-size:.85rem; text-decoration:none}
.lesson-topbar a:hover{color:#fff}
.lesson-topbar h1{color:#fff; font-size:1.05rem; margin:0}
.lesson-stage{flex:1; min-height:0; background:#000; display:flex}
.lesson-stage iframe.tool-frame{width:100%; height:100%; border:none; display:block}
.lesson-stage video.video-player{width:100%; height:100%; object-fit:contain; background:#000; display:block}
.lesson-below{background:var(--white); border-top:1px solid var(--border); padding:1rem 1.5rem; flex-shrink:0; max-height:40vh; overflow-y:auto}

.quiz-question label{font-weight:normal; display:block; margin:.4rem 0; cursor:pointer; font-size:.92rem}
.quiz-question{margin-bottom:1.4rem; padding-bottom:1rem; border-bottom:1px solid var(--border)}

@media (max-width: 820px){
  .sidebar{position:fixed; z-index:20; transform:translateX(-100%); transition:transform .2s ease}
  .sidebar.open{transform:translateX(0)}
  .main{width:100%}
}

/* ============================================================
   Exam theme — the full exam-taking UI (intro, question navigator,
   results/review screen). Uses the same Summit/Glacier tokens as the
   rest of the site for visual consistency.
   ============================================================ */
.exam-page{background:var(--glacier); min-height:100vh}
.exam-topbar{
  background:linear-gradient(120deg, var(--navy) 0%, var(--navy-deep) 100%);
  color:#fff; padding:16px 24px; display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:10px; border-bottom:3px solid var(--amber);
}
.exam-topbar .eyebrow{font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--amber); font-weight:700}
.exam-topbar h1{color:#fff; font-size:1.25rem; margin:0; font-weight:400}
.exam-topbar a.exit-link{color:#CFE3E3; font-size:.85rem; text-decoration:none}
.exam-topbar a.exit-link:hover{color:#fff}
.exam-wrap{max-width:1180px; margin:0 auto; padding:24px 20px 70px}

/* Intro screen */
.exam-intro{background:#fff; border:1px solid var(--border); border-radius:10px; padding:36px 40px; margin-top:20px}
.exam-intro .kicker{color:var(--teal); font-weight:700; font-size:12px; letter-spacing:.08em; text-transform:uppercase}
.exam-intro h2{font-size:1.8rem; margin:6px 0 12px}
.exam-intro p.desc{color:var(--ink-soft); line-height:1.6; max-width:680px}
.domain-bars{display:flex; gap:16px; margin:22px 0; flex-wrap:wrap}
.domain-card{flex:1; min-width:160px; border:1px solid var(--border); border-radius:8px; padding:14px 16px; background:var(--glacier)}
.domain-card .n{font-family:var(--font-display); font-size:26px; color:var(--navy)}
.domain-card .label{font-size:12px; color:var(--ink-soft); text-transform:capitalize}
.domain-card .bar{height:5px; border-radius:3px; margin-top:8px; background:var(--glacier-dim); overflow:hidden}
.domain-card .bar span{display:block; height:100%; background:var(--teal)}

/* Exam layout: sticky nav + question panel */
.exam-layout{display:grid; grid-template-columns:230px 1fr; gap:20px; margin-top:20px; align-items:start}
@media (max-width:820px){ .exam-layout{grid-template-columns:1fr} .nav-panel{position:static; order:2} }
.nav-panel{background:#fff; border:1px solid var(--border); border-radius:8px; padding:14px; position:sticky; top:14px; max-height:calc(100vh - 28px); overflow-y:auto}
.nav-panel h3{font-size:12px; text-transform:uppercase; letter-spacing:.07em; color:var(--ink-soft); margin:0 0 10px; font-weight:700}
.nav-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:5px}
.nav-dot{aspect-ratio:1; border-radius:4px; border:1px solid var(--border); background:var(--glacier); font-size:11px;
  display:flex; align-items:center; justify-content:center; color:var(--ink-soft); position:relative; cursor:pointer}
.nav-dot.answered{background:var(--teal); color:#fff; border-color:var(--teal)}
.nav-dot.flagged::after{content:''; position:absolute; top:1px; right:1px; width:5px; height:5px; border-radius:50%; background:var(--amber)}
.nav-dot.current{outline:2px solid var(--navy); outline-offset:1px}
.nav-legend{margin-top:12px; font-size:11px; color:var(--ink-soft); display:flex; flex-direction:column; gap:5px}
.nav-legend .dot{display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:5px}

.qpanel{background:#fff; border:1px solid var(--border); border-radius:8px; padding:26px 30px; min-height:380px; display:flex; flex-direction:column}
.qpanel-question{display:none}
.qpanel-question.active{display:flex; flex-direction:column; flex:1}
.qhead{display:flex; justify-content:space-between; align-items:flex-start; gap:10px; margin-bottom:14px; flex-wrap:wrap}
.qnum{font-family:var(--font-display); font-size:13px; color:var(--ink-soft)}
.qtext{font-size:1.05rem; line-height:1.55; margin:4px 0 20px; white-space:pre-line}
.qoptions{display:flex; flex-direction:column; gap:9px; margin-bottom:18px}
.qopt{display:flex; gap:11px; align-items:flex-start; padding:13px 15px; border:1px solid var(--border); border-radius:6px; cursor:pointer; transition:border-color .12s, background .12s}
.qopt:hover{border-color:var(--teal); background:rgba(14,124,123,.04)}
.qopt.selected{border-color:var(--navy); background:rgba(15,42,68,.05)}
.qopt input{margin-top:3px}
.qopt .letter{flex:0 0 24px; height:24px; border-radius:50%; border:1px solid var(--border); display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:700; color:var(--ink-soft)}
.qopt.selected .letter{background:var(--navy); color:#fff; border-color:var(--navy)}
.qopt .otext{font-size:.92rem; line-height:1.5; padding-top:1px}
.qfoot{margin-top:auto; display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap; padding-top:16px; border-top:1px solid var(--border)}
.flagbtn{background:none; border:1px solid var(--border); border-radius:4px; padding:8px 13px; font-size:12px; color:var(--ink-soft); cursor:pointer}
.flagbtn.on{background:rgba(201,162,39,.15); border-color:var(--amber); color:#8a6416; font-weight:700}

/* Results screen */
.score-hero{background:linear-gradient(120deg, var(--navy), var(--navy-deep)); color:#fff; border-radius:10px;
  padding:32px 36px; display:flex; align-items:center; gap:36px; flex-wrap:wrap; border-bottom:4px solid var(--amber)}
.score-hero .big{font-family:var(--font-display); font-size:56px; line-height:1}
.score-hero .big span{font-size:24px; color:rgba(255,255,255,.6)}
.score-hero .verdict{font-size:14px; color:var(--amber); font-weight:700; text-transform:uppercase; letter-spacing:.05em; margin-bottom:5px}
.score-hero .sub{color:rgba(255,255,255,.75); font-size:13px; max-width:400px}
.breakdown{display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:14px; margin:22px 0}
.bd-card{background:#fff; border:1px solid var(--border); border-radius:8px; padding:18px 20px}
.bd-card h4{margin:0 0 6px; font-size:12px; color:var(--ink-soft); text-transform:capitalize; letter-spacing:.03em}
.bd-card .pct{font-family:var(--font-display); font-size:28px; color:var(--navy)}
.bd-card .frac{font-size:12px; color:var(--ink-soft); margin-left:5px}
.bd-card .bar{height:7px; background:var(--glacier-dim); border-radius:4px; margin-top:10px; overflow:hidden}
.bd-card .bar span{display:block; height:100%; background:var(--teal)}
.filter-row{display:flex; gap:8px; margin:18px 0; flex-wrap:wrap}
.filter-row button{border:1px solid var(--border); background:#fff; padding:7px 15px; border-radius:100px; font-size:12px; color:var(--ink-soft); cursor:pointer}
.filter-row button.active{background:var(--navy); color:#fff; border-color:var(--navy)}
.review-item{background:#fff; border:1px solid var(--border); border-radius:8px; padding:18px 22px; margin-bottom:12px}
.review-item.wrong{border-left:4px solid var(--danger)}
.review-item.right{border-left:4px solid var(--success)}
.review-item .rq{font-size:.95rem; margin-bottom:10px; white-space:pre-line}
.review-item .rrow{display:flex; gap:8px; font-size:.85rem; margin-bottom:5px}
.review-item .rrow .k{color:var(--ink-soft); flex:0 0 80px}
.review-explain{margin-top:10px; padding:12px 14px; border-radius:6px; font-size:.85rem; line-height:1.55}
.review-explain.correct{background:rgba(30,107,69,.08); border:1px solid rgba(30,107,69,.25)}
.review-explain.incorrect{background:rgba(163,53,43,.08); border:1px solid rgba(163,53,43,.25)}

/* Custom confirm modal (used instead of window.confirm for visual consistency) */
.exam-modal-overlay{display:none; position:fixed; inset:0; background:rgba(10,30,50,.55); align-items:center; justify-content:center; z-index:1000; padding:20px}
.exam-modal-overlay.show{display:flex}
.exam-modal-box{background:#fff; border-radius:8px; padding:26px 28px; max-width:380px; width:100%; border-top:4px solid var(--amber)}
.exam-modal-box h4{margin:0 0 8px; font-family:var(--font-display); color:var(--navy); font-size:1.15rem}
.exam-modal-box p{margin:0 0 18px; color:var(--ink-soft); font-size:.9rem; line-height:1.5}
.exam-modal-actions{display:flex; gap:10px; justify-content:flex-end}

.qopt.review-correct{border-color:var(--success); background:rgba(30,107,69,.08); cursor:default}
.qopt.review-incorrect{border-color:var(--danger); background:rgba(163,53,43,.08); cursor:default}

/* Print blocking — a deterrent layer on top of the Ctrl+P keydown block
   in content-protection.js, since browser menu/toolbar printing isn't
   reachable via keydown at all. Not defeat-proof (nothing client-side
   is), but stops the common paths. */
@media print {
  body::before {
    content: "Printing is disabled for this content.";
    display: block; text-align: center; padding: 4rem 2rem; font-size: 1.2rem;
  }
  body > * { display: none !important; }
  body::before { display: block !important; }
}

/* Fixed-position toasts — deliberately NOT part of document flow, so
   they can never push page content around (that was the root of an
   earlier layout-shift bug: an inline alert div that appeared/
   disappeared in the flow) and, just as importantly, never sit on top
   of the exam-topbar's timer — anchored at the bottom of the screen
   instead of the top, where the timer lives. */
.exam-toast{
  position: fixed; left: 50%; transform: translateX(-50%);
  z-index: 2000; max-width: 90vw; box-shadow: 0 8px 24px rgba(10,30,50,.25);
  opacity: 0; pointer-events: none;
  transition: opacity .35s ease;
}
.exam-toast.show{ opacity: 1; pointer-events: auto; }

.warning-toast{ bottom: 76px; }
#autosave-indicator{ bottom: 16px; }

.badge-amber{background:rgba(201,162,39,.18); color:#8a6416}

.brand-logo-img{ max-width:140px; max-height:44px; object-fit:contain; display:block; margin-bottom:.4rem }
.auth-card .brand-logo-img{ max-width:160px; max-height:60px; margin:0 auto .6rem }

/* Privacy blur — global, reusable protection. Any element carrying
   .privacy-protected gets obscured when the browser window loses focus
   or the tab becomes hidden, driven entirely by assets/js/privacy-blur.js.
   Deliberately NOT scoped to the exam — every student page applies this
   class to its own main-content wrapper, while leaving navigation/topbar
   chrome (and, on the exam page, the timer) outside it so those stay
   visible. This is a visual deterrent only, not a security boundary, and
   is completely independent of the quiz/mock-exam warning-counter system
   — the two never call into each other. */
.privacy-protected.privacy-blur{
  filter: blur(20px);
  transition: filter .25s ease;
  pointer-events: none;
  user-select: none;
}
.privacy-blur-message{
  display: none; position: fixed; inset: 0; z-index: 2500;
  background: rgba(10,30,50,.6); color: #fff;
  align-items: center; justify-content: center; text-align: center;
  font-family: var(--font-body); font-size: 1.1rem; padding: 2rem;
}
.privacy-blur-message.show{ display: flex; }

.document-viewer{ border-radius:8px; box-shadow:0 4px 16px rgba(10,30,50,.15) }

/* Hardened PDF/document viewer (student/document_view.php) */
.document-viewer-wrap{
  flex: 1; display: flex; flex-direction: column; overflow: hidden;
  background: var(--navy-deep, #0a1e33);
}
.pdf-toolbar{
  display: flex; align-items: center; justify-content: center; gap: .75rem;
  padding: .6rem 1rem; background: rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.1); flex-shrink: 0;
}
.pdf-toolbar #pdf-page-indicator{ color: #fff; font-size: .9rem; min-width: 110px; text-align: center }
.pdf-zoom-group{ display: flex; gap: .3rem; margin-left: .75rem }
.pdf-canvas-scroll{
  flex: 1; overflow: auto; display: flex; justify-content: center;
  padding: 1.5rem; position: relative;
}
.pdf-canvas-scroll canvas{ box-shadow: 0 8px 24px rgba(0,0,0,.4); background: #fff }
.pdf-status{
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  color: #fff; font-size: 1rem;
}