/* =========================================================================
   CSATWORK ExamReady — public styles
   Palette: deep green #14532d / #0f3d22, white, gold #c9a961
   Mobile-first; breakpoints at 768px and 1024px.
   ========================================================================= */

.csater { --green: #14532d; --green-dark: #0f3d22; --gold: #c9a961; --ink: #1f2937;
	--muted: #6b7280; --line: #e5e7eb; --bg: #f6f8f7; --ok: #16a34a; --bad: #dc2626;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
	color: var(--ink); line-height: 1.55; box-sizing: border-box; }
.csater *, .csater *::before, .csater *::after { box-sizing: inherit; color: inherit; }
.csater button, .csater a.csater-btn { color: inherit; }
.csater h1, .csater h2, .csater h3 { color: var(--green-dark); line-height: 1.25; margin: 0 0 .5em; }
.csater .csater-boot { padding: 40px 16px; text-align: center; color: var(--muted); }

/* Buttons */
.csater .csater-btn { display: inline-block; border: 0; cursor: pointer; border-radius: 8px;
	padding: 13px 26px; font-size: 15px; font-weight: 600; text-decoration: none; text-align: center;
	background: var(--green); color: #fff; transition: background .15s ease; }
.csater .csater-btn:hover { background: var(--green-dark); color: #fff; }
.csater .csater-btn-gold { background: var(--gold); color: #1a1a1a; }
.csater .csater-btn-gold:hover { background: #b8974f; color: #1a1a1a; }
.csater .csater-btn-ghost { background: transparent; color: var(--green); border: 1.5px solid var(--green); }
.csater .csater-btn-ghost:hover { background: var(--green); color: #fff; }
.csater .csater-btn[disabled] { opacity: .55; cursor: not-allowed; }
.csater .csater-btn-sm { padding: 9px 16px; font-size: 13px; }

/* Cards / panels */
.csater .csater-panel { background: #fff; border: 1px solid var(--line); border-radius: 14px;
	padding: 24px 20px; max-width: 720px; margin: 24px auto; }
@media (min-width: 768px) { .csater .csater-panel { padding: 36px 40px; } }

/* Landing hero */
.csater-hero { background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
	color: #fff; border-radius: 16px; padding: 44px 22px; margin: 20px 0; }
.csater-hero h1 { color: #fff; font-size: 32px; }
.csater-hero .csater-hero-sub { max-width: 560px; opacity: .92; }
.csater-hero .csater-free-badge { display: inline-block; background: var(--gold); color: #1a1a1a;
	font-weight: 700; font-size: 13px; letter-spacing: .06em; padding: 5px 14px; border-radius: 999px; margin-bottom: 14px; }
.csater-hero .csater-hero-facts { list-style: none; margin: 18px 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.csater-hero .csater-hero-facts li { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25);
	padding: 6px 14px; border-radius: 999px; font-size: 13px; }
.csater-hero .csater-hero-disclaimer { font-size: 12px; opacity: .7; margin-top: 18px; }
@media (min-width: 768px) { .csater-hero { padding: 64px 48px; } .csater-hero h1 { font-size: 44px; } }

/* Forms */
.csater .csater-field { margin-bottom: 16px; }
.csater .csater-field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.csater .csater-field input[type=text], .csater .csater-field input[type=email], .csater .csater-field input[type=tel] {
	width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 8px; font-size: 15px; }
.csater .csater-field input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(20,83,45,.12); }
.csater .csater-consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--muted); margin: 14px 0 20px; }
.csater .csater-error { background: #fee2e2; color: #991b1b; border-radius: 8px; padding: 10px 14px; font-size: 14px; margin-bottom: 14px; }

/* Instructions */
.csater .csater-instructions ol { padding-left: 20px; }
.csater .csater-instructions li { margin-bottom: 10px; }

/* ============================== EXAM ================================== */
.csater-exam { display: grid; grid-template-columns: 1fr; gap: 0; background: var(--bg);
	border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
@media (min-width: 1024px) { .csater-exam { grid-template-columns: minmax(0,1fr) 320px; } }

/* Exam header */
.csater-exam-header { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px;
	background: var(--green-dark); color: #fff; padding: 12px 16px; position: sticky; top: 0; z-index: 40; }
.csater-exam-header .csater-exam-title { font-weight: 600; font-size: 14px; flex: 1; min-width: 0;
	white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.csater-timer { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 17px;
	background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); padding: 6px 14px; border-radius: 8px; }
.csater-timer.low { background: #7f1d1d; border-color: #b91c1c; animation: csater-pulse 1s infinite; }
@keyframes csater-pulse { 50% { opacity: .65; } }
.csater-nav-toggle { display: inline-flex; background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.4);
	border-radius: 8px; padding: 7px 12px; font-size: 13px; cursor: pointer; }
@media (min-width: 1024px) { .csater-nav-toggle { display: none; } }

/* Question area */
.csater-qarea { padding: 20px 16px 110px; }
@media (min-width: 768px) { .csater-qarea { padding: 28px 28px 120px; } }
.csater-qmeta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.csater-qnum { font-weight: 700; color: var(--green-dark); }
.csater-diff { font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
	padding: 3px 10px; border-radius: 999px; background: #ede9fe; color: #5b21b6; }
.csater-diff.Foundational { background: #dcfce7; color: #14532d; }
.csater-diff.Intermediate { background: #fef3c7; color: #92400e; }
.csater-diff.Advanced { background: #fee2e2; color: #991b1b; }
.csater-diff.Expert { background: #ede9fe; color: #5b21b6; }
.csater-mark-toggle { margin-left: auto; font-size: 13px; color: var(--green); background: none;
	border: none; cursor: pointer; font-weight: 600; }
.csater-mark-toggle.on { color: #b45309; }
.csater-qtext { font-size: 17px; margin-bottom: 20px; color: #1f2937; }

/* Options: large touch targets */
.csater-opt { display: flex; gap: 12px; align-items: flex-start; width: 100%; text-align: left;
	background: #fff; border: 1.5px solid var(--line); border-radius: 10px; padding: 14px;
	margin-bottom: 10px; cursor: pointer; font-size: 15px; color: #1f2937; transition: border-color .12s, background .12s; }
.csater-opt span { color: #1f2937; }
.csater-opt:hover { border-color: var(--green); }
.csater-opt .csater-opt-letter { flex: 0 0 30px; height: 30px; border-radius: 50%; border: 1.5px solid var(--line);
	display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; color: #1f2937; background: #fff; }
.csater-opt.selected { border-color: var(--green); background: #f0fdf4; }
.csater-opt.selected .csater-opt-letter { background: var(--green); border-color: var(--green); color: #fff; }

/* Bottom action bar */
.csater-actions { position: sticky; bottom: 0; display: flex; gap: 8px; flex-wrap: wrap;
	background: #fff; border-top: 1px solid var(--line); padding: 12px 16px; z-index: 30; }
.csater-actions .spacer { flex: 1; }

/* Navigator */
.csater-navigator { background: #fff; border-left: 1px solid var(--line); padding: 18px; }
.csater-navigator h3 { font-size: 14px; }
.csater-nav-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(38px, 1fr)); gap: 7px; margin: 14px 0; }
.csater-nav-cell { height: 38px; border-radius: 8px; border: 1.5px solid var(--line); background: #fff;
	font-size: 12px; font-weight: 600; cursor: pointer; color: #1f2937; }
.csater-nav-cell.current { outline: 2px solid var(--gold); outline-offset: 1px; }
.csater-nav-cell.answered { background: var(--green); border-color: var(--green); color: #fff; }
.csater-nav-cell.notanswered { background: #fee2e2; border-color: #fecaca; color: #991b1b; }
.csater-nav-cell.marked { background: #b45309; border-color: #b45309; color: #fff; }
.csater-nav-cell.ansmarked { background: #5b21b6; border-color: #5b21b6; color: #fff; }
.csater-legend { font-size: 11px; color: var(--muted); display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.csater-legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 3px;
	margin-right: 6px; border: 1px solid var(--line); background: #fff; }
.csater-legend .l-a::before { background: var(--green); border-color: var(--green); }
.csater-legend .l-na::before { background: #fee2e2; border-color: #fecaca; }
.csater-legend .l-m::before { background: #b45309; border-color: #b45309; }
.csater-legend .l-am::before { background: #5b21b6; border-color: #5b21b6; }

/* Mobile drawer navigator */
@media (max-width: 1023px) {
	.csater-navigator { position: fixed; inset: 0; z-index: 90; background: rgba(15,61,34,.55);
		display: none; padding: 0; border: 0; }
	.csater-navigator.open { display: block; }
	.csater-navigator .csater-nav-sheet { position: absolute; left: 0; right: 0; bottom: 0; max-height: 78vh;
		overflow-y: auto; background: #fff; border-radius: 18px 18px 0 0; padding: 20px 18px 26px; }
}
@media (min-width: 1024px) {
	.csater-navigator .csater-nav-sheet { position: sticky; top: 70px; }
	.csater-nav-close { display: none; }
}

/* Processing */
.csater-processing { text-align: center; padding: 70px 20px; }
.csater-spinner { width: 46px; height: 46px; margin: 0 auto 22px; border-radius: 50%;
	border: 4px solid var(--line); border-top-color: var(--green); animation: csater-spin .9s linear infinite; }
@keyframes csater-spin { to { transform: rotate(360deg); } }

/* Support / contribution screen */
.csater-support { text-align: center; }
.csater-support .csater-support-msg { white-space: pre-line; text-align: left; color: var(--ink);
	max-width: 560px; margin: 0 auto 24px; }
.csater-qr-card { display: inline-block; background: #fff; border: 1px solid var(--line);
	border-radius: 16px; padding: 22px; margin: 6px auto 10px; box-shadow: 0 0 0 6px rgba(201,169,97,.18); }
@media (prefers-reduced-motion: no-preference) {
	.csater-qr-card { animation: csater-glow 2.6s ease-in-out infinite; }
	@keyframes csater-glow { 50% { box-shadow: 0 0 0 10px rgba(201,169,97,.3); } }
}
.csater-qr-card img { max-width: 240px; width: 100%; display: block; }
.csater-support .csater-upi { font-weight: 600; color: var(--green-dark); }
.csater-support .csater-voluntary { font-size: 13px; color: var(--muted); margin: 14px auto 22px; max-width: 480px; }
.csater-support .csater-support-actions { display: flex; flex-direction: column; gap: 10px; max-width: 380px; margin: 0 auto; }
@media (min-width: 768px) { .csater-support .csater-support-actions { flex-direction: row; justify-content: center; max-width: none; } }

/* Result */
.csater-scorewheel { width: 168px; height: 168px; border-radius: 50%; margin: 8px auto 14px;
	display: flex; align-items: center; justify-content: center; flex-direction: column;
	background: conic-gradient(var(--green) calc(var(--pct) * 1%), var(--line) 0); }
.csater-scorewheel .inner { width: 132px; height: 132px; border-radius: 50%; background: #fff;
	display: flex; flex-direction: column; align-items: center; justify-content: center; }
.csater-scorewheel .pct { font-size: 34px; font-weight: 800; color: var(--green-dark); }
.csater-readiness { display: inline-block; background: #f0fdf4; border: 1px solid #bbf7d0; color: var(--green-dark);
	font-weight: 700; letter-spacing: .03em; padding: 8px 18px; border-radius: 999px; margin: 6px 0 18px; }
.csater-statgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 18px 0; }
@media (min-width: 768px) { .csater-statgrid { grid-template-columns: repeat(4, 1fr); } }
.csater-stat { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 14px; text-align: center; }
.csater-stat .v { font-size: 22px; font-weight: 800; color: var(--green-dark); display: block; }
.csater-stat .k { font-size: 12px; color: var(--muted); }

/* Analytics tables */
.csater table.csater-table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 10px 0 24px; }
.csater table.csater-table th, .csater table.csater-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.csater .csater-bar { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; min-width: 90px; }
.csater .csater-bar i { display: block; height: 100%; background: var(--green); }
.csater .csater-bar.mid i { background: var(--gold); }
.csater .csater-bar.low i { background: var(--bad); }

/* Review */
.csater-review-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
.csater-review-item .ropt { padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 8px; margin: 6px 0; font-size: 14px; }
.csater-review-item .ropt.correct { border-color: var(--ok); background: #f0fdf4; }
.csater-review-item .ropt.wrong { border-color: var(--bad); background: #fef2f2; }
.csater-review-item .rexp { background: var(--bg); border-radius: 8px; padding: 12px 14px; font-size: 14px; margin-top: 10px; }
.csater-review-item .rsrc { font-size: 12.5px; color: var(--muted); margin-top: 8px; }
.csater-review-nav { display: flex; gap: 8px; align-items: center; margin: 14px 0; flex-wrap: wrap; }

/* Utility */
.csater .muted { color: var(--muted); font-size: 13px; }
.csater .center { text-align: center; }