/* Computer Centre Management — Exam Module Styles (2.20.0) */

.ccm-exam-card, .ccm-exam-overlay {
	--ccm-x-primary: #4f46e5;
	--ccm-x-primary-dark: #3730a3;
	--ccm-x-accent: #06b6d4;
	--ccm-x-green: #16a34a;
	--ccm-x-red: #dc2626;
	--ccm-x-amber: #d97706;
	--ccm-x-text: #1e293b;
	--ccm-x-muted: #64748b;
	--ccm-x-border: #e2e8f0;
	--ccm-x-bg: #f8fafc;
}

@keyframes ccmExamFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes ccmExamPop { 0% { transform: scale(.92); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
@keyframes ccmExamPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(220,38,38,.35); } 50% { box-shadow: 0 0 0 8px rgba(220,38,38,0); } }
@keyframes ccmExamSpin { to { transform: rotate(360deg); } }

.ccm-exam-hi { color: var(--ccm-x-muted, #64748b); font-weight: 500; font-size: .92em; }

.ccm-exam-badge {
	display: inline-block; padding: 4px 12px; border-radius: 999px;
	font-size: 11px; font-weight: 700; letter-spacing: .02em; white-space: nowrap;
}

/* ---------- Student: "My Exams" list ---------- */
.ccm-exam-list { display: grid; gap: 16px; margin-top: 10px; }
.ccm-exam-tile {
	border: 1px solid var(--ccm-x-border, #e2e8f0);
	border-radius: 16px;
	padding: 18px 20px;
	background: linear-gradient(180deg, #fff, #fbfbff);
	box-shadow: 0 2px 10px rgba(15,23,42,.05);
	animation: ccmExamFadeIn .35s ease both;
	transition: transform .18s ease, box-shadow .18s ease;
}
.ccm-exam-tile:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(15,23,42,.09); }
.ccm-exam-tile-in_progress { border-left: 4px solid var(--ccm-x-amber, #d97706); }
.ccm-exam-tile-submitted { border-left: 4px solid var(--ccm-x-green, #16a34a); }
.ccm-exam-tile-assigned, .ccm-exam-tile-not_started { border-left: 4px solid var(--ccm-x-primary, #4f46e5); }

.ccm-exam-tile-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.ccm-exam-tile-top h4 { margin: 0 0 2px; font-size: 16px; font-weight: 800; }

.ccm-exam-meta-row { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 12px 0; font-size: 12.5px; color: var(--ccm-x-muted, #64748b); }
.ccm-exam-meta-row span { background: var(--ccm-x-bg, #f8fafc); border: 1px solid var(--ccm-x-border, #e2e8f0); padding: 4px 10px; border-radius: 999px; }

.ccm-exam-start-btn {
	background: linear-gradient(135deg, var(--ccm-x-primary, #4f46e5), var(--ccm-x-primary-dark, #3730a3));
	color: #fff; border: 0; padding: 10px 22px; border-radius: 10px; font-weight: 700; cursor: pointer;
	box-shadow: 0 8px 18px rgba(79,70,229,.28); transition: transform .15s ease, box-shadow .15s ease;
}
.ccm-exam-start-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 24px rgba(79,70,229,.36); }

.ccm-exam-result-row { display: flex; align-items: center; gap: 18px; margin-top: 8px; }
.ccm-exam-score-ring {
	width: 68px; height: 68px; border-radius: 50%; flex: 0 0 auto;
	display: flex; align-items: center; justify-content: center;
	font-weight: 800; font-size: 14px; color: var(--ccm-x-text, #1e293b);
	background: conic-gradient(var(--ccm-x-green, #16a34a) calc(var(--pct, 0) * 1%), #e5e7eb 0);
	position: relative; animation: ccmExamPop .4s ease both;
}
.ccm-exam-score-ring::before { content: ""; position: absolute; inset: 6px; background: #fff; border-radius: 50%; }
.ccm-exam-score-ring span { position: relative; z-index: 1; }
.ccm-exam-result-stats { font-size: 13px; }
.ccm-exam-result-stats > div:first-child { font-size: 15px; margin-bottom: 4px; }
.ccm-exam-result-breakdown { display: flex; gap: 12px; margin: 6px 0; flex-wrap: wrap; }
.ccm-exam-result-breakdown .ccm-correct { color: var(--ccm-x-green, #16a34a); font-weight: 700; }
.ccm-exam-result-breakdown .ccm-wrong { color: var(--ccm-x-red, #dc2626); font-weight: 700; }
.ccm-exam-result-breakdown .ccm-unattempted { color: var(--ccm-x-muted, #64748b); font-weight: 700; }

/* ---------- Centre: assign panel ---------- */
.ccm-exam-sub { color: var(--ccm-x-muted, #64748b); font-size: 13.5px; margin-top: -6px; }
.ccm-exam-assign-block { border: 1px solid var(--ccm-x-border, #e2e8f0); border-radius: 14px; margin-bottom: 14px; overflow: hidden; animation: ccmExamFadeIn .3s ease both; }
.ccm-exam-assign-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; background: var(--ccm-x-bg, #f8fafc); flex-wrap: wrap; }
.ccm-exam-assign-panel { padding: 16px; border-top: 1px solid var(--ccm-x-border, #e2e8f0); animation: ccmExamFadeIn .2s ease both; }
.ccm-exam-student-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; margin-bottom: 14px; }
.ccm-exam-student-chip {
	display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--ccm-x-border, #e2e8f0);
	border-radius: 10px; font-size: 13px; cursor: pointer; transition: all .15s ease;
}
.ccm-exam-student-chip:hover { border-color: var(--ccm-x-primary, #4f46e5); background: #f5f3ff; }
.ccm-exam-student-chip em { font-style: normal; color: var(--ccm-x-muted, #64748b); font-size: 11px; display: block; }
.ccm-exam-chip-assigned { opacity: .55; }
.ccm-exam-assign-submit {
	background: var(--ccm-x-green, #16a34a); color: #fff; border: 0; padding: 9px 18px; border-radius: 8px; font-weight: 700; cursor: pointer;
}
.ccm-exam-assign-msg { margin-left: 12px; font-weight: 600; font-size: 13px; }

/* ---------- Full-screen exam-taking overlay ---------- */
.ccm-exam-overlay {
	position: fixed; inset: 0; z-index: 999999; background: #f4f5fb;
	display: flex; flex-direction: column; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
	animation: ccmExamFadeIn .25s ease both;
}
.ccm-exam-header {
	display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
	padding: 12px 20px; background: linear-gradient(135deg, var(--ccm-x-primary, #4f46e5), var(--ccm-x-primary-dark, #3730a3));
	color: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.12);
}
.ccm-exam-header h3 { margin: 0; font-size: 16px; font-weight: 800; }
.ccm-exam-header .ccm-exam-hi { color: rgba(255,255,255,.8); }
.ccm-exam-header-right { display: flex; align-items: center; gap: 12px; }
.ccm-exam-lang-toggle { display: flex; background: rgba(255,255,255,.18); border-radius: 999px; padding: 3px; }
.ccm-exam-lang-toggle button {
	border: 0; background: transparent; color: #fff; padding: 5px 14px; border-radius: 999px; font-weight: 700; font-size: 12px; cursor: pointer;
}
.ccm-exam-lang-toggle button.active { background: #fff; color: var(--ccm-x-primary-dark, #3730a3); }
.ccm-exam-timer {
	background: rgba(255,255,255,.16); padding: 7px 16px; border-radius: 999px; font-weight: 800; font-variant-numeric: tabular-nums; font-size: 14px;
}
.ccm-exam-timer.ccm-exam-timer-warning { background: #fee2e2; color: #991b1b; animation: ccmExamPulse 1.1s infinite; }
.ccm-exam-close-btn { background: transparent; border: 1px solid rgba(255,255,255,.5); color: #fff; padding: 6px 14px; border-radius: 8px; cursor: pointer; font-weight: 700; }

.ccm-exam-body { flex: 1; display: flex; overflow: hidden; }
.ccm-exam-main { flex: 1; overflow-y: auto; padding: 26px 30px 100px; }
.ccm-exam-qmeta { font-size: 12px; color: var(--ccm-x-muted, #64748b); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .04em; font-weight: 700; }
.ccm-exam-qbox { max-width: 760px; margin: 0 auto; animation: ccmExamFadeIn .22s ease both; }
.ccm-exam-qnum-badge {
	display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%;
	background: var(--ccm-x-primary, #4f46e5); color: #fff; font-weight: 800; font-size: 13px; margin-right: 10px;
}
.ccm-exam-qtext { font-size: 19px; font-weight: 700; line-height: 1.5; margin: 14px 0 20px; }
.ccm-exam-options { display: grid; gap: 12px; }
.ccm-exam-option {
	display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1.5px solid var(--ccm-x-border, #e2e8f0);
	border-radius: 12px; cursor: pointer; background: #fff; transition: all .15s ease; font-size: 15px;
}
.ccm-exam-option:hover { border-color: var(--ccm-x-primary, #4f46e5); background: #f5f3ff; }
.ccm-exam-option.selected { border-color: var(--ccm-x-primary, #4f46e5); background: #eef2ff; box-shadow: 0 0 0 2px rgba(79,70,229,.18); }
.ccm-exam-option-letter {
	width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--ccm-x-border, #e2e8f0); flex: 0 0 auto;
	display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 12.5px; color: var(--ccm-x-muted, #64748b);
}
.ccm-exam-option.selected .ccm-exam-option-letter { background: var(--ccm-x-primary, #4f46e5); border-color: var(--ccm-x-primary, #4f46e5); color: #fff; }

.ccm-exam-nav-row { max-width: 760px; margin: 26px auto 0; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.ccm-exam-nav-row button {
	border: 0; padding: 11px 20px; border-radius: 10px; font-weight: 700; cursor: pointer; font-size: 14px; transition: transform .12s ease;
}
.ccm-exam-nav-row button:active { transform: scale(.97); }
.ccm-exam-btn-secondary { background: #fff; border: 1.5px solid var(--ccm-x-border, #e2e8f0) !important; color: var(--ccm-x-text, #1e293b); }
.ccm-exam-btn-primary { background: var(--ccm-x-primary, #4f46e5); color: #fff; }
.ccm-exam-btn-clear { background: #fef2f2; color: var(--ccm-x-red, #dc2626); }
.ccm-exam-btn-submit { background: linear-gradient(135deg, var(--ccm-x-green, #16a34a), #15803d); color: #fff; }

.ccm-exam-sidebar {
	width: 270px; flex: 0 0 auto; background: #fff; border-left: 1px solid var(--ccm-x-border, #e2e8f0);
	padding: 18px; overflow-y: auto;
}
.ccm-exam-legend { display: flex; flex-wrap: wrap; gap: 8px; font-size: 11px; margin-bottom: 14px; }
.ccm-exam-legend span { display: flex; align-items: center; gap: 5px; }
.ccm-exam-legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.ccm-exam-palette { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.ccm-exam-palette button {
	aspect-ratio: 1; border-radius: 8px; border: 1.5px solid var(--ccm-x-border, #e2e8f0); background: #fff;
	font-weight: 700; font-size: 12.5px; cursor: pointer; color: var(--ccm-x-text, #1e293b); transition: all .12s ease;
}
.ccm-exam-palette button.answered { background: var(--ccm-x-green, #16a34a); border-color: var(--ccm-x-green, #16a34a); color: #fff; }
.ccm-exam-palette button.current { outline: 2.5px solid var(--ccm-x-primary, #4f46e5); outline-offset: 2px; }
.ccm-exam-palette-summary { margin-top: 16px; font-size: 12.5px; color: var(--ccm-x-muted, #64748b); border-top: 1px dashed var(--ccm-x-border, #e2e8f0); padding-top: 12px; }

/* ---------- Result screen (inside overlay after submit) ---------- */
.ccm-exam-result-screen { max-width: 520px; margin: 8vh auto; text-align: center; animation: ccmExamPop .35s ease both; }
.ccm-exam-result-screen .ccm-exam-score-ring { width: 140px; height: 140px; font-size: 30px; margin: 0 auto 20px; }
.ccm-exam-result-screen h2 { margin: 0 0 6px; }
.ccm-exam-result-pass { color: var(--ccm-x-green, #16a34a); }
.ccm-exam-result-fail { color: var(--ccm-x-red, #dc2626); }

.ccm-exam-loading { display: flex; align-items: center; justify-content: center; height: 100%; flex-direction: column; gap: 14px; color: var(--ccm-x-muted, #64748b); }
.ccm-exam-spinner { width: 34px; height: 34px; border: 3px solid var(--ccm-x-border, #e2e8f0); border-top-color: var(--ccm-x-primary, #4f46e5); border-radius: 50%; animation: ccmExamSpin .7s linear infinite; }

@media (max-width: 780px) {
	.ccm-exam-body { flex-direction: column-reverse; }
	.ccm-exam-sidebar { width: 100%; border-left: 0; border-top: 1px solid var(--ccm-x-border, #e2e8f0); max-height: 160px; }
	.ccm-exam-palette { grid-template-columns: repeat(8, 1fr); }
	.ccm-exam-main { padding: 18px 16px 100px; }
	.ccm-exam-qtext { font-size: 17px; }
}