/* ================================================================
   SolveMCQ v4 — NEET PG Platform — Full Responsive CSS
   ================================================================ */

:root {
  --bg: #ffffff;
  --surface: #f8fafc;
  --surface2: #f1f5f9;
  --border: rgba(0,0,0,0.09);
  --accent: #2563eb;
  --accent2: #4f46e5;
  --success: #16a34a;
  --danger: #dc2626;
  --warn: #d97706;
  --text: #0f172a;
  --text2: #475569;
  --text3: #94a3b8;
  --card-shadow: 0 2px 16px rgba(0,0,0,0.07);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --exam-bg: #ffffff;
  --exam-border: #e2e8f0;
  --exam-text: #0f172a;
  --exam-text2: #475569;
  --exam-text3: #94a3b8;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}
* { -webkit-user-select: none; user-select: none; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font-body); cursor: pointer; border: none; outline: none; -webkit-tap-highlight-color: transparent; }
input { font-family: var(--font-body); outline: none; }

/* ── LOADING ─────────────────────────────────────────────── */
#loading-screen {
  position: fixed; inset: 0; z-index: 9999; background: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 16px; transition: opacity 0.4s;
}
.logo-spin {
  width: 52px; height: 52px;
  border: 3px solid #e2e8f0; border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
#loading-screen p { color: var(--text2); font-size: 14px; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeUp { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:none} }
@keyframes shimmer { 0%{background-position:200%} 100%{background-position:-200%} }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.55} }
@keyframes modalIn { from{opacity:0;transform:scale(0.95) translateY(10px)} to{opacity:1;transform:none} }

/* ── VIEWS ───────────────────────────────────────────────── */
.view { display: none !important; }
#view-login.active     { display: flex !important; }
#view-dashboard.active { display: block !important; }
#view-exam.active      { display: flex !important; }
#view-results.active   { display: block !important; }

/* ── LOGIN ───────────────────────────────────────────────── */
#view-login {
  min-height: 100vh; flex-direction: column;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 50%, #eef2ff 100%);
  padding: 24px; animation: fadeUp 0.35s ease;
}
.login-wrap {
  width: 100%; max-width: 420px;
  display: flex; flex-direction: column; align-items: center; gap: 28px;
}
.login-brand { text-align: center; }
.login-brand .badge {
  display: inline-block;
  background: linear-gradient(135deg,rgba(37,99,235,.12),rgba(79,70,229,.12));
  border: 1px solid rgba(79,70,229,.25); color: var(--accent2);
  font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 100px; margin-bottom: 12px;
}
.login-brand h1 {
  font-family: var(--font-display); font-size: clamp(26px,5vw,32px); font-weight: 800;
  color: var(--text); line-height: 1.2; margin-bottom: 6px;
}
.login-brand p { color: var(--text2); font-size: 14px; }
.login-card {
  width: 100%; background: #fff; border: 1px solid var(--border);
  border-radius: 16px; padding: 32px; box-shadow: 0 4px 32px rgba(0,0,0,0.08);
}
.login-card h2 {
  font-family: var(--font-display); font-size: 18px; font-weight: 700;
  margin-bottom: 24px; text-align: center; color: var(--text);
}
.field-group { display: flex; flex-direction: column; gap: 16px; margin-bottom: 8px; }
.field-label {
  display: block; font-size: 12px; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--text2); margin-bottom: 7px;
}
.field-input {
  width: 100%; background: #f8fafc; border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-sm); padding: 12px 16px;
  color: var(--text); font-size: 15px; transition: border-color var(--transition);
}
.field-input:focus { border-color: var(--accent); background: #fff; }
.field-input::placeholder { color: var(--text3); }
.field-hint { margin-top: 6px; font-size: 12px; color: var(--text3); font-style: italic; }
.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; font-size: 15px; font-weight: 600;
  padding: 13px; border-radius: var(--radius-sm); margin-top: 20px;
  transition: opacity var(--transition), transform var(--transition);
  letter-spacing: .02em;
}
.btn-primary:hover { opacity: .92; transform: translateY(-1px); }
.btn-primary:active { transform: none; }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.login-err { margin-top: 12px; color: var(--danger); font-size: 13px; text-align: center; min-height: 20px; }

/* ── NAV ─────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); padding: 0 20px; height: 60px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.nav-brand {
  font-family: var(--font-display); font-size: 18px; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  white-space: nowrap;
}
.nav-right { display: flex; align-items: center; gap: 12px; min-width: 0; }
.nav-user { font-size: 12px; color: var(--text2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 120px; }
.btn-logout {
  background: transparent; border: 1px solid #e2e8f0; color: var(--text2);
  padding: 6px 12px; border-radius: 8px; font-size: 13px; font-weight: 500;
  transition: all var(--transition); white-space: nowrap; flex-shrink: 0;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }
.nav-progress-wrap { display: flex; align-items: center; gap: 8px; }
.nav-progress-bar { width: 80px; height: 7px; background: #e2e8f0; border-radius: 100px; overflow: hidden; }
.nav-progress-fill { height: 100%; background: linear-gradient(90deg,var(--accent),var(--accent2)); border-radius: 100px; transition: width .6s ease; }

/* ── DASHBOARD ───────────────────────────────────────────── */
#view-dashboard { background: var(--bg); animation: fadeUp .3s ease; }
.dashboard-hero { padding: 40px 20px 20px; text-align: center; max-width: 700px; margin: 0 auto; }
.dashboard-hero h2 { font-family: var(--font-display); font-size: clamp(24px,5vw,34px); font-weight: 800; color: var(--text); margin-bottom: 8px; }
.dashboard-hero p { color: var(--text2); font-size: 15px; }

.progress-banner { max-width: 1100px; margin: 0 auto 8px; padding: 0 20px; }
.progress-banner-inner {
  background: linear-gradient(135deg,#eff6ff,#eef2ff); border: 1px solid rgba(37,99,235,.15);
  border-radius: var(--radius); padding: 14px 20px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.progress-banner-label { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; }
.progress-bar-track { flex: 1; min-width: 100px; height: 10px; background: rgba(37,99,235,.12); border-radius: 100px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg,var(--accent),var(--accent2)); border-radius: 100px; transition: width .8s cubic-bezier(.4,0,.2,1); }
.progress-pct { font-family: var(--font-display); font-size: 20px; font-weight: 800; color: var(--accent); white-space: nowrap; }
.progress-detail { font-size: 12px; color: var(--text2); white-space: nowrap; }

/* Resume Card */
.resume-card { max-width: 1100px; margin: 0 auto 8px; padding: 0 20px; }
.resume-card-inner {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: linear-gradient(135deg,#f0fdf4,#ecfdf5); border: 1.5px solid rgba(22,163,74,.3);
  border-radius: var(--radius); padding: 16px 20px;
}
.resume-icon { font-size: 22px; width: 40px; height: 40px; background: rgba(22,163,74,.12); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.resume-info { flex: 1; min-width: 0; }
.resume-title { font-weight: 700; font-size: 15px; color: #15803d; margin-bottom: 3px; }
.resume-meta { font-size: 12px; color: var(--text2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.resume-actions { display: flex; gap: 8px; flex-shrink: 0; }
.btn-resume { background: var(--success); color: #fff; padding: 8px 18px; border-radius: 8px; font-size: 13px; font-weight: 600; }
.btn-resume:hover { opacity: .88; }
.btn-resume-discard { background: transparent; border: 1px solid #e2e8f0; color: var(--text2); padding: 8px 14px; border-radius: 8px; font-size: 13px; }
.btn-resume-discard:hover { border-color: var(--danger); color: var(--danger); }

/* Subject Grid */
.subjects-grid {
  max-width: 1100px; margin: 0 auto; padding: 12px 20px 80px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px;
}
.subject-card {
  background: #fff; border: 1px solid #e2e8f0; border-radius: var(--radius);
  padding: 22px; cursor: pointer; transition: all var(--transition);
  position: relative; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.subject-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg,var(--accent),var(--accent2));
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
}
.subject-card:hover { border-color: rgba(37,99,235,.3); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,.09); }
.subject-card:hover::before { transform: scaleX(1); }
.subject-card:active { transform: translateY(0); }
.card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg,rgba(37,99,235,.1),rgba(79,70,229,.08));
  border: 1px solid rgba(79,70,229,.15);
  display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px;
}
.card-title { font-family: var(--font-display); font-size: 16px; font-weight: 700; margin-bottom: 5px; color: var(--text); }
.card-meta { color: var(--text2); font-size: 13px; margin-bottom: 10px; }
.card-progress-bar { height: 4px; background: #e2e8f0; border-radius: 100px; overflow: hidden; }
.card-progress-fill { height: 100%; background: linear-gradient(90deg,var(--accent),var(--accent2)); border-radius: 100px; transition: width .6s ease; }
.card-progress-label { font-size: 11px; color: var(--text3); margin-top: 5px; }

/* ── MODAL ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.45); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 24px;
  width: 100%; max-width: 480px; max-height: 88vh; overflow-y: auto;
  animation: modalIn .25s ease; color: var(--text);
}
.modal h3 { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.modal-close { float: right; background: transparent; color: var(--text2); font-size: 24px; line-height: 1; margin-top: -4px; }
.modal-close:hover { color: var(--text); }
.select-field {
  width: 100%; background: #f8fafc; border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-sm); padding: 11px 14px;
  color: var(--text); font-size: 14px; font-family: var(--font-body);
  margin-bottom: 16px; appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
.select-field:focus { border-color: var(--accent); }
.mode-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.mode-option { border: 2px solid #e2e8f0; border-radius: var(--radius); padding: 14px; cursor: pointer; transition: all var(--transition); }
.mode-option:hover { border-color: rgba(37,99,235,.4); }
.mode-option.selected { border-color: var(--accent); background: rgba(37,99,235,.04); }
.mode-title { font-weight: 600; font-size: 14px; display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.mode-dot { width: 16px; height: 16px; border: 2px solid #e2e8f0; border-radius: 50%; transition: all var(--transition); flex-shrink: 0; }
.mode-option.selected .mode-dot { border-color: var(--accent); background: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.2); }
.mode-bullets { list-style: none; }
.mode-bullets li { color: var(--text2); font-size: 12.5px; padding: 2px 0; }
.mode-bullets li::before { content: '• '; color: var(--accent); }
.note-box {
  background: rgba(217,119,6,.06); border: 1px solid rgba(217,119,6,.2);
  border-radius: var(--radius-sm); padding: 10px 14px;
  color: var(--warn); font-size: 13px; margin-bottom: 14px; display: flex; gap: 8px; align-items: flex-start;
}

/* ── EXAM VIEW ───────────────────────────────────────────── */
#view-exam { background: var(--exam-bg); color: var(--exam-text); position: relative; }
#view-exam.active { flex-direction: column; min-height: 100vh; }

/* NEET PG Watermark — shown only in real-mode via CSS override below */
.exam-watermark {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  display: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='120'%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' transform='rotate(-30 110 60)' font-family='Arial,sans-serif' font-size='20' font-weight='700' letter-spacing='4' fill='rgba(0,0,0,0.10)'%3ENEET PG%3C/text%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 220px 120px;
}
#view-exam.real-mode .exam-watermark { display: block; }

.exam-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff; border-bottom: 1px solid var(--exam-border);
  padding: 0 16px; height: 52px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}
.exam-brand { font-family: var(--font-display); font-size: 15px; font-weight: 700; color: #0f172a; white-space: nowrap; }
.exam-sections { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; flex: 1; padding: 0 6px; }
.exam-sections::-webkit-scrollbar { display: none; }
.section-tab {
  background: transparent; border: 1px solid #e2e8f0; color: var(--text2);
  padding: 4px 12px; border-radius: 6px; font-size: 12px; white-space: nowrap; transition: all var(--transition); flex-shrink: 0;
}
.section-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.section-tab:disabled { opacity: .4; cursor: not-allowed; }
.exam-timer {
  font-family: var(--font-display); font-size: 14px; font-weight: 700;
  color: #16a34a; white-space: nowrap;
  background: rgba(22,163,74,.08); border: 1px solid rgba(22,163,74,.2);
  padding: 3px 10px; border-radius: 8px; flex-shrink: 0;
}
.exam-timer.warn   { color: #d97706; background: rgba(217,119,6,.08); border-color: rgba(217,119,6,.2); }
.exam-timer.danger { color: #dc2626; background: rgba(220,38,38,.08); border-color: rgba(220,38,38,.2); animation: pulse 1s ease infinite; }

.exam-body {
  display: flex; flex: 1;
  height: calc(100dvh - 52px - 56px); overflow: hidden; position: relative; z-index: 2;
}
.exam-main { flex: 1; padding: 20px; overflow-y: auto; background: #fff; }
.exam-sidebar { width: 260px; border-left: 1px solid var(--exam-border); background: #f8fafc; padding: 16px; overflow-y: auto; flex-shrink: 0; }

/* Question elements */
.q-section-label { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--exam-text3); margin-bottom: 5px; }
.q-section-name { font-family: var(--font-display); font-size: 15px; font-weight: 700; margin-bottom: 14px; color: #0f172a; }
.q-type-badge {
  display: inline-block; background: rgba(220,38,38,.08); border: 1px solid rgba(220,38,38,.18);
  color: var(--danger); font-size: 11px; font-weight: 700; letter-spacing: .04em;
  padding: 3px 9px; border-radius: 6px; margin-bottom: 10px;
}
.q-number { font-size: 13px; color: var(--text2); margin-bottom: 10px; }
.q-number strong { color: #0f172a; font-size: 14px; }
.q-sec-hint { opacity: .55; font-size: 11px; }

.q-timer-bar-wrap { width: 100%; height: 5px; background: #e2e8f0; border-radius: 100px; overflow: hidden; margin-bottom: 14px; }
.q-timer-bar { height: 100%; border-radius: 100px; background: linear-gradient(90deg,#16a34a,#22c55e); transition: width 1s linear; }
.q-timer-bar.warn   { background: linear-gradient(90deg,#d97706,#f59e0b); }
.q-timer-bar.danger { background: linear-gradient(90deg,#dc2626,#ef4444); }

.q-text {
  font-size: 15px; line-height: 1.75; color: #0f172a;
  margin-bottom: 20px; padding: 16px 18px;
  background: #fff; border: 1px solid #e2e8f0;
  border-radius: var(--radius); box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.q-options { display: flex; flex-direction: column; gap: 9px; margin-bottom: 20px; }
.q-option {
  display: flex; align-items: flex-start; gap: 12px; padding: 13px 16px;
  background: #fff; border: 1.5px solid #e2e8f0; border-radius: var(--radius);
  cursor: pointer; transition: all var(--transition); font-size: 14px; line-height: 1.5; color: #0f172a;
}
.q-option:hover   { border-color: rgba(37,99,235,.4); background: rgba(37,99,235,.03); }
.q-option.selected{ border-color: #2563eb; background: rgba(37,99,235,.06); }
.q-option.correct { border-color: #16a34a; background: rgba(22,163,74,.06); }
.q-option.wrong   { border-color: #dc2626; background: rgba(220,38,38,.06); }
.q-option.disabled{ cursor: default; }
.opt-label {
  width: 28px; height: 28px; border-radius: 50%; background: #f1f5f9; border: 1.5px solid #e2e8f0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; flex-shrink: 0; color: #475569; transition: all var(--transition);
}
.q-option.selected .opt-label { background: #2563eb; border-color: #2563eb; color: #fff; }
.q-option.correct  .opt-label { background: #16a34a; border-color: #16a34a; color: #fff; }
.q-option.wrong    .opt-label { background: #dc2626; border-color: #dc2626; color: #fff; }
.opt-tag { margin-left: auto; font-size: 11px; font-weight: 700; white-space: nowrap; flex-shrink: 0; }
.correct-tag { color: #16a34a; }
.wrong-tag   { color: #dc2626; }

/* Score badge inline */
.score-badge { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 100px; }
.score-badge.correct-badge { background: rgba(22,163,74,.1); color: var(--success); }
.score-badge.wrong-badge   { background: rgba(220,38,38,.08); color: var(--danger); }

.explanation-box {
  background: #f0fdf4; border: 1px solid rgba(22,163,74,.25);
  border-radius: var(--radius); padding: 16px 18px;
  margin-top: 14px; font-size: 14px; line-height: 1.7; color: #0f172a;
}
.exp-header {
  font-weight: 700; color: #16a34a; margin-bottom: 10px;
  font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
}

.exam-footer {
  padding: 10px 16px; background: #fff; border-top: 1px solid var(--exam-border);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  position: relative; z-index: 2; box-shadow: 0 -1px 6px rgba(0,0,0,.04);
  flex-wrap: nowrap;
}
.btn-exam { padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 600; transition: all var(--transition); white-space: nowrap; }
.btn-mark-review { background: transparent; border: 1.5px solid #d97706; color: #d97706; }
.btn-mark-review:hover { background: rgba(217,119,6,.08); }
.btn-clear { background: transparent; border: 1.5px solid #e2e8f0; color: var(--text2); }
.btn-clear:hover { border-color: var(--text2); }
.btn-save-next { background: linear-gradient(135deg,var(--accent),var(--accent2)); color: #fff; border: none; min-width: 110px; }
.btn-save-next:hover { opacity: .9; transform: translateY(-1px); }
.btn-submit-section { background: transparent; border: 1.5px solid #16a34a; color: #16a34a; }
.btn-submit-section:hover { background: rgba(22,163,74,.08); }

/* Sidebar */
.sidebar-legend { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-bottom: 14px; }
.legend-item { display: flex; align-items: center; gap: 7px; font-size: 11px; color: var(--text2); }
.legend-dot {
  width: 22px; height: 22px; border-radius: 5px; border: 1.5px solid #e2e8f0;
  display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700; flex-shrink: 0;
}
.legend-dot.not-visited  { background: #f1f5f9; color: var(--text2); }
.legend-dot.not-answered { background: #dc2626; border-color: #dc2626; color: #fff; }
.legend-dot.answered     { background: #16a34a; border-color: #16a34a; color: #fff; }
.legend-dot.marked       { background: #8b5cf6; border-color: #8b5cf6; color: #fff; }
.legend-dot.ans-marked   { background: #7c3aed; border-color: #7c3aed; color: #fff; }
.sidebar-section-label { font-weight: 700; font-size: 13px; color: var(--accent); background: rgba(37,99,235,.08); border-radius: 6px; padding: 7px 12px; margin-bottom: 10px; }
.q-grid { display: flex; flex-wrap: wrap; gap: 5px; }
.q-bubble {
  width: 32px; height: 32px; border-radius: 6px; border: 1.5px solid #e2e8f0; background: #f1f5f9;
  color: var(--text2); font-size: 11px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--transition);
}
.q-bubble:hover        { border-color: var(--accent); color: var(--accent); }
.q-bubble.current      { border-color: var(--accent); background: var(--accent); color: #fff; }
.q-bubble.answered     { background: #16a34a; border-color: #16a34a; color: #fff; }
.q-bubble.not-answered { background: #dc2626; border-color: #dc2626; color: #fff; }
.q-bubble.marked       { background: #8b5cf6; border-color: #8b5cf6; color: #fff; }
.q-bubble.ans-marked   { background: #7c3aed; border-color: #7c3aed; color: #fff; }

/* ── RESULTS VIEW ────────────────────────────────────────── */
#view-results { background: #f8fafc; animation: fadeUp .3s ease; }

.results-wrap {
  display: grid;
  grid-template-columns: 340px 1fr;
  min-height: 100vh;
  align-items: start;
}

/* Left: score card (sticky on desktop) */
.results-score-section {
  padding: 24px 20px 80px;
  position: sticky; top: 0; max-height: 100vh; overflow-y: auto;
}
.results-score-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 16px; padding: 28px 24px;
  box-shadow: var(--card-shadow); text-align: center;
}
.results-score-card.score-good .rs-score { background: linear-gradient(135deg,#16a34a,#22c55e); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.results-score-card.score-avg .rs-score  { background: linear-gradient(135deg,#d97706,#f59e0b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.results-score-card.score-low .rs-score  { background: linear-gradient(135deg,#dc2626,#ef4444); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.rs-label { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--text3); margin-bottom: 4px; }
.rs-score {
  font-family: var(--font-display); font-size: 64px; font-weight: 800;
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1; margin-bottom: 4px;
}
.rs-max { color: var(--text2); font-size: 14px; margin-bottom: 4px; }
.rs-time { color: var(--text3); font-size: 12px; margin-bottom: 20px; }
.rs-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 18px; }
.rs-stat { padding: 12px 8px; border-radius: 10px; text-align: center; }
.rs-stat.correct { background: rgba(22,163,74,.07); border: 1px solid rgba(22,163,74,.2); }
.rs-stat.wrong   { background: rgba(220,38,38,.06); border: 1px solid rgba(220,38,38,.2); }
.rs-stat.skip    { background: rgba(148,163,184,.08); border: 1px solid rgba(148,163,184,.15); }
.rs-stat-val { font-family: var(--font-display); font-size: 28px; font-weight: 800; line-height: 1; }
.rs-stat.correct .rs-stat-val { color: var(--success); }
.rs-stat.wrong   .rs-stat-val { color: var(--danger); }
.rs-stat.skip    .rs-stat-val { color: var(--text2); }
.rs-stat-lbl { font-size: 11px; color: var(--text2); margin-top: 4px; line-height: 1.3; }
.rs-bar-wrap { margin-bottom: 20px; }
.rs-bar-track { height: 8px; background: #e2e8f0; border-radius: 100px; overflow: hidden; margin-bottom: 6px; }
.rs-bar-fill { height: 100%; background: linear-gradient(90deg,var(--accent),var(--accent2)); border-radius: 100px; transition: width .8s ease; }
.rs-bar-label { font-size: 12px; color: var(--text2); text-align: center; }
.btn-back-dash {
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  color: #fff; width: 100%; padding: 12px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; transition: opacity var(--transition);
}
.btn-back-dash:hover { opacity: .9; }

/* Right: question list */
.results-list-section { padding: 24px 24px 80px 0; }
.results-list-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.results-list-header h3 { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--text); }
.results-filter { display: flex; gap: 6px; flex-wrap: wrap; }
.rf-btn { background: #fff; border: 1px solid #e2e8f0; color: var(--text2); padding: 6px 14px; border-radius: 8px; font-size: 12px; font-weight: 600; transition: all var(--transition); }
.rf-btn:hover { border-color: var(--accent); color: var(--accent); }
.rf-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.results-list { display: flex; flex-direction: column; gap: 10px; }
.result-item { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,.04); }
.result-item.correct-item { border-left: 3px solid var(--success); }
.result-item.wrong-item   { border-left: 3px solid var(--danger); }
.result-item.skipped-item { border-left: 3px solid var(--text3); }
.result-header { padding: 13px 16px; display: flex; align-items: center; gap: 10px; cursor: pointer; transition: background var(--transition); }
.result-header:hover { background: #f8fafc; }
.result-qnum { font-weight: 700; font-size: 13px; color: var(--text2); flex-shrink: 0; min-width: 32px; }
.result-qpreview { flex: 1; font-size: 13px; color: var(--text2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.result-status { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 100px; flex-shrink: 0; }
.correct-badge { background: rgba(22,163,74,.1); color: var(--success); }
.wrong-badge   { background: rgba(220,38,38,.08); color: var(--danger); }
.skip-badge    { background: rgba(148,163,184,.1); color: var(--text2); }
.result-toggle { color: var(--text3); font-size: 14px; flex-shrink: 0; }
.result-body { display: none; padding: 0 16px 14px; border-top: 1px solid #f1f5f9; }
.result-body.open { display: block; padding-top: 14px; }
.result-q { font-size: 14px; line-height: 1.65; margin-bottom: 12px; color: var(--text); }
.result-options { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.result-opt { font-size: 13px; padding: 7px 12px; border-radius: 7px; border: 1px solid var(--border); display: flex; gap: 8px; color: var(--text); }
.result-opt.r-correct { border-color: var(--success); background: rgba(22,163,74,.06); color: #15803d; }
.result-opt.r-wrong   { border-color: var(--danger);  background: rgba(220,38,38,.05); color: var(--danger); }
.result-exp { font-size: 13px; line-height: 1.65; padding: 12px 14px; background: rgba(37,99,235,.04); border: 1px solid rgba(37,99,235,.12); border-radius: 8px; color: var(--text); }
.result-exp .exp-title { font-weight: 700; color: var(--accent); margin-bottom: 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }

/* ── REAL EXAM MODE — Transparent / Black & White Theme ──── */
/*
  When .real-mode is active on #view-exam, the entire exam page becomes
  transparent (shows through to the device wallpaper/desktop), with only
  black text, black borders, and grey watermark — matching an actual
  NEET PG interface.
*/
#view-exam.real-mode {
  background: transparent !important;
}

/* Watermark: grey diagonal "NEET PG" text — subtle */
#view-exam.real-mode .exam-watermark {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='120'%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' transform='rotate(-30 110 60)' font-family='Arial,sans-serif' font-size='20' font-weight='700' letter-spacing='4' fill='rgba(0,0,0,0.10)'%3ENEET PG%3C/text%3E%3C/svg%3E");
}

/* Header — transparent with black border */
#view-exam.real-mode .exam-header {
  background: rgba(255,255,255,0.0) !important;
  backdrop-filter: none !important;
  border-bottom: 1.5px solid #000 !important;
  box-shadow: none !important;
}
#view-exam.real-mode .exam-brand { color: #000 !important; }
#view-exam.real-mode .section-tab {
  border-color: #000 !important;
  color: #000 !important;
  background: transparent !important;
}
#view-exam.real-mode .section-tab.active {
  background: #000 !important;
  color: #fff !important;
  border-color: #000 !important;
}
#view-exam.real-mode .exam-timer {
  color: #000 !important;
  background: transparent !important;
  border: 1.5px solid #000 !important;
}
#view-exam.real-mode .exam-timer.warn,
#view-exam.real-mode .exam-timer.danger {
  color: #000 !important;
  background: transparent !important;
  border-color: #000 !important;
  animation: none !important;
}

/* Body — transparent */
#view-exam.real-mode .exam-body { background: transparent !important; }
#view-exam.real-mode .exam-main {
  background: transparent !important;
  color: #000 !important;
}
#view-exam.real-mode .exam-sidebar {
  background: transparent !important;
  border-left: 1.5px solid #000 !important;
  color: #000 !important;
}

/* Question elements */
#view-exam.real-mode .q-section-label,
#view-exam.real-mode .q-section-name,
#view-exam.real-mode .q-number,
#view-exam.real-mode .q-number strong { color: #000 !important; }

#view-exam.real-mode .q-type-badge {
  background: transparent !important;
  border: 1.5px solid #000 !important;
  color: #000 !important;
}

#view-exam.real-mode .q-timer-bar-wrap { background: #ccc !important; }
#view-exam.real-mode .q-timer-bar { background: #555 !important; }
#view-exam.real-mode .q-timer-bar.warn,
#view-exam.real-mode .q-timer-bar.danger { background: #555 !important; }

#view-exam.real-mode .q-text {
  background: transparent !important;
  border: 1.5px solid #000 !important;
  color: #000 !important;
  box-shadow: none !important;
}

#view-exam.real-mode .q-option {
  background: transparent !important;
  border: 1.5px solid #000 !important;
  color: #000 !important;
}
#view-exam.real-mode .q-option:hover {
  background: rgba(0,0,0,0.04) !important;
  border-color: #000 !important;
}
#view-exam.real-mode .q-option.selected {
  background: rgba(0,0,0,0.08) !important;
  border-color: #000 !important;
  border-width: 2px !important;
}
#view-exam.real-mode .q-option.correct {
  background: rgba(0,0,0,0.05) !important;
  border-color: #000 !important;
}
#view-exam.real-mode .q-option.wrong {
  background: rgba(0,0,0,0.05) !important;
  border-color: #000 !important;
}
#view-exam.real-mode .opt-label {
  background: transparent !important;
  border: 1.5px solid #000 !important;
  color: #000 !important;
}
#view-exam.real-mode .q-option.selected .opt-label {
  background: #000 !important;
  border-color: #000 !important;
  color: #fff !important;
}
#view-exam.real-mode .q-option.correct .opt-label,
#view-exam.real-mode .q-option.wrong .opt-label {
  background: #000 !important;
  border-color: #000 !important;
  color: #fff !important;
}

/* Sidebar */
#view-exam.real-mode .sidebar-section-label {
  background: rgba(0,0,0,0.06) !important;
  color: #000 !important;
}
#view-exam.real-mode .legend-item { color: #000 !important; }
#view-exam.real-mode .legend-dot {
  border-color: #000 !important;
  background: transparent !important;
  color: #000 !important;
}
#view-exam.real-mode .legend-dot.not-answered,
#view-exam.real-mode .legend-dot.answered,
#view-exam.real-mode .legend-dot.marked,
#view-exam.real-mode .legend-dot.ans-marked {
  background: #444 !important;
  border-color: #444 !important;
  color: #fff !important;
}
#view-exam.real-mode .q-bubble {
  background: transparent !important;
  border: 1.5px solid #000 !important;
  color: #000 !important;
}
#view-exam.real-mode .q-bubble.current {
  background: #000 !important;
  color: #fff !important;
}
#view-exam.real-mode .q-bubble.answered,
#view-exam.real-mode .q-bubble.not-answered,
#view-exam.real-mode .q-bubble.marked,
#view-exam.real-mode .q-bubble.ans-marked {
  background: #555 !important;
  border-color: #555 !important;
  color: #fff !important;
}

/* Footer — transparent with black border */
#view-exam.real-mode .exam-footer {
  background: transparent !important;
  border-top: 1.5px solid #000 !important;
  box-shadow: none !important;
}
#view-exam.real-mode .btn-exam {
  background: transparent !important;
  border: 1.5px solid #000 !important;
  color: #000 !important;
}
#view-exam.real-mode .btn-save-next {
  background: #000 !important;
  color: #fff !important;
  border-color: #000 !important;
}
#view-exam.real-mode .btn-submit-section {
  background: transparent !important;
  border: 1.5px solid #000 !important;
  color: #000 !important;
}

/* ── SITE FOOTER ─────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 18px 20px;
  font-size: 12px;
  color: var(--text3);
  border-top: 1px solid var(--border);
  background: var(--surface);
  letter-spacing: 0.02em;
}
.skeleton {
  background: linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%);
  background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: 8px;
}

/* ── SHIELD ──────────────────────────────────────────────── */
.shield-overlay {
  position: fixed; inset: 0; z-index: 99999; background: #fff;
  display: none; align-items: center; justify-content: center; flex-direction: column; gap: 16px;
}
.shield-overlay.on { display: flex; }
.shield-overlay h2 { font-family: var(--font-display); font-size: 22px; color: var(--danger); }
.shield-overlay p  { color: var(--text2); font-size: 14px; text-align: center; max-width: 340px; }

/* ── RESPONSIVE ──────────────────────────────────────────── */

/* Tablet */
@media (max-width: 900px) {
  .results-wrap {
    grid-template-columns: 1fr;
  }
  .results-score-section {
    position: static; max-height: none;
    padding: 24px 20px 0;
  }
  .results-list-section {
    padding: 20px;
  }
  .subjects-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

/* Mobile */
@media (max-width: 640px) {
  .nav { padding: 0 14px; height: 54px; }
  .nav-user { display: none; }
  .nav-progress-wrap { display: none; }

  .login-card { padding: 24px 20px; }
  .login-brand h1 { font-size: 26px; }

  .dashboard-hero { padding: 28px 16px 16px; }
  .dashboard-hero h2 { font-size: 24px; }

  .progress-banner { padding: 0 14px; }
  .progress-banner-inner { gap: 10px; padding: 12px 14px; }
  .progress-detail { display: none; }

  .resume-card { padding: 0 14px; }
  .resume-meta { display: none; }
  .resume-actions { flex-direction: column; gap: 6px; }
  .btn-resume, .btn-resume-discard { padding: 7px 12px; font-size: 12px; }

  .subjects-grid { grid-template-columns: 1fr; padding: 10px 14px 60px; gap: 10px; }
  .subject-card { padding: 18px; }

  .modal { padding: 20px 18px; border-radius: 14px; }
  .modal h3 { font-size: 16px; margin-bottom: 14px; }
  .mode-option { padding: 12px; }

  /* Exam on mobile: hide sidebar, full width */
  .exam-sidebar { display: none !important; }
  .exam-main { max-width: 100% !important; padding: 14px; }
  .exam-header { padding: 0 12px; height: 48px; }
  .exam-brand { font-size: 13px; }
  .exam-timer { font-size: 12px; padding: 3px 8px; }

  .exam-footer { padding: 8px 12px; gap: 6px; }
  .btn-exam { padding: 8px 10px; font-size: 12px; }
  .btn-save-next { min-width: 90px; }

  .q-text { font-size: 14px; padding: 14px 15px; }
  .q-option { padding: 11px 13px; font-size: 13px; }

  /* Results mobile: single column */
  .results-score-section { padding: 16px 14px 0; }
  .results-score-card { padding: 20px 16px; }
  .rs-score { font-size: 52px; }
  .rs-stats { gap: 7px; }
  .rs-stat { padding: 10px 6px; }
  .rs-stat-val { font-size: 24px; }
  .results-list-section { padding: 16px 14px 60px; }
  .results-list-header { flex-direction: column; align-items: flex-start; }
  .result-qpreview { display: none; }
  .result-header { padding: 11px 14px; }

  .progress-pct { font-size: 16px; }
}

/* Very small phones */
@media (max-width: 380px) {
  .exam-footer { flex-wrap: wrap; }
  .btn-exam { flex: 1; text-align: center; min-width: 0; }
}