/* ==============================================================================
   PACIFIC ONLINE TEST — ENTERPRISE ASSESSMENT PORTAL DESIGN SYSTEM
   Modern Dark Theme | Glassmorphism | JetBrains Mono | Responsive Grid
   ============================================================================== */

:root {
    --bg-main: #080C14;
    --bg-surface: #0F172A;
    --bg-surface-elevated: #1E293B;
    --bg-glass: rgba(15, 23, 42, 0.75);
    --bg-glass-elevated: rgba(30, 41, 59, 0.85);

    --border-subtle: #1E293B;
    --border-default: #334155;
    --border-accent: #38BDF8;

    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --text-dim: #64748B;

    --cyan-primary: #38BDF8;
    --cyan-glow: rgba(56, 189, 248, 0.25);
    --emerald-green: #10B981;
    --emerald-glow: rgba(16, 185, 129, 0.25);
    --amber-warning: #F59E0B;
    --amber-glow: rgba(245, 158, 11, 0.25);
    --rose-danger: #EF4444;
    --rose-glow: rgba(239, 68, 68, 0.25);
    --indigo-accent: #6366F1;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Outfit', var(--font-sans);
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 14.5px;
    line-height: 1.55;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 10%, rgba(56, 189, 248, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 85% 90%, rgba(99, 102, 241, 0.04) 0%, transparent 45%);
}

/* --- 1. Top Enterprise Header --- */
.test-header {
    height: 64px;
    background: var(--bg-glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.test-logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #0EA5E9, #6366F1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFF;
    box-shadow: 0 0 14px rgba(14, 165, 233, 0.4);
}

.test-brand-name {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

.test-brand-name .highlight {
    color: var(--cyan-primary);
}

.candidate-tag {
    display: block;
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-dim);
    letter-spacing: 0.3px;
}

/* Exam In-Flight HUD */
.exam-telemetry-hud {
    display: flex;
    align-items: center;
    gap: 20px;
}

.hud-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.pulse-dot.green {
    background: var(--emerald-green);
    box-shadow: 0 0 8px var(--emerald-green);
    animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.proctor-shield {
    color: var(--text-muted);
}

.timer-container {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--cyan-primary);
    box-shadow: 0 0 12px var(--cyan-glow);
    padding: 4px 14px;
    border-radius: var(--radius-sm);
}

.timer-container.warning {
    border-color: var(--amber-warning);
    box-shadow: 0 0 14px var(--amber-glow);
    animation: blinkWarning 1.5s infinite;
}

.timer-container.critical {
    border-color: var(--rose-danger);
    box-shadow: 0 0 18px var(--rose-glow);
    animation: blinkCritical 0.8s infinite;
}

@keyframes blinkWarning {
    0%, 100% { background: rgba(15, 23, 42, 0.9); }
    50% { background: rgba(245, 158, 11, 0.15); }
}

@keyframes blinkCritical {
    0%, 100% { background: rgba(15, 23, 42, 0.9); }
    50% { background: rgba(239, 68, 68, 0.25); }
}

.timer-label {
    font-size: 9.5px;
    font-weight: 700;
    color: var(--text-dim);
    letter-spacing: 0.8px;
}

.timer-digits {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 700;
    color: var(--cyan-primary);
    letter-spacing: 0.5px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.db-status-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    font-family: var(--font-mono);
    color: var(--emerald-green);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    padding: 4px 10px;
    border-radius: 20px;
}

.db-dot {
    width: 6px;
    height: 6px;
    background: var(--emerald-green);
    border-radius: 50%;
}

.exit-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-dim);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.exit-link:hover {
    color: var(--text-main);
}

/* --- 2. Main Portal Layout --- */
.portal-main {
    flex: 1;
    padding: 24px;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
}

/* ==========================================================================
   STAGE 1: Onboarding & Track Selection Hub
   ========================================================================== */
.onboarding-screen {
    max-width: 1080px;
    margin: 16px auto;
}

.onboarding-hero {
    text-align: center;
    margin-bottom: 36px;
}

.hero-badge {
    display: inline-block;
    padding: 4px 14px;
    font-size: 11.5px;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--cyan-primary);
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 20px;
    margin-bottom: 12px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #F8FAFC 30%, #94A3B8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto;
}

/* Tracks Grid */
.tracks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-bottom: 36px;
}

.track-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 22px;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.track-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-accent);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.track-card.selected {
    border-color: var(--cyan-primary);
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 0 20px var(--cyan-glow);
}

.track-card.selected::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan-primary), var(--indigo-accent));
}

.track-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 14px;
}

.track-badge-tag {
    font-size: 10.5px;
    font-weight: 700;
    font-family: var(--font-mono);
    padding: 3px 8px;
    border-radius: 4px;
    background: rgba(56, 189, 248, 0.12);
    color: var(--cyan-primary);
}

.track-q-count {
    font-size: 11.5px;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

.track-name {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.track-desc {
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 16px;
    min-height: 56px;
}

.track-meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 11.5px;
    color: var(--text-dim);
    border-top: 1px solid var(--border-subtle);
    padding-top: 10px;
}

/* Candidate Registration Card */
.registration-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 40px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.reg-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
}

.reg-sub {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-group label .req {
    color: var(--rose-danger);
}

.form-group input {
    background: var(--bg-main);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-size: 14px;
    color: var(--text-main);
    font-family: var(--font-sans);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--cyan-primary);
    box-shadow: 0 0 10px var(--cyan-glow);
}

.honor-code-box {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-bottom: 24px;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.45;
}

.checkbox-container input {
    margin-top: 3px;
    accent-color: var(--cyan-primary);
    width: 16px;
    height: 16px;
}

.start-exam-btn {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, #0284C7, #2563EB);
    color: #FFF;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 15.5px;
    font-weight: 700;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 4px 18px rgba(2, 132, 199, 0.35);
}

.start-exam-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(2, 132, 199, 0.5);
}

/* Leaderboard Section */
.leaderboard-section {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-head h3 {
    font-family: var(--font-heading);
    font-size: 16.5px;
    font-weight: 700;
}

.section-badge {
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--emerald-green);
    background: rgba(16, 185, 129, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
}

.table-container {
    overflow-x: auto;
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.leaderboard-table th {
    text-align: left;
    padding: 10px 14px;
    color: var(--text-dim);
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-subtle);
}

.leaderboard-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(51, 65, 85, 0.3);
    color: var(--text-muted);
}

.leaderboard-table tr:hover td {
    background: rgba(30, 41, 59, 0.4);
    color: var(--text-main);
}

.candidate-cell {
    font-weight: 600;
    color: var(--text-main);
}

.score-badge-table {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--emerald-green);
}

/* ==========================================================================
   STAGE 2: Proctored Examination Cockpit
   ========================================================================== */
.exam-screen {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: start;
}

.question-pane {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 580px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.question-header {
    padding: 16px 24px;
    background: rgba(30, 41, 59, 0.4);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.q-meta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.q-index-badge {
    font-family: var(--font-heading);
    font-size: 13.5px;
    font-weight: 700;
    color: var(--cyan-primary);
}

.q-category-badge {
    font-size: 11px;
    background: rgba(99, 102, 241, 0.15);
    color: #A5B4FC;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.q-diff-badge {
    font-size: 10.5px;
    background: rgba(245, 158, 11, 0.12);
    color: var(--amber-warning);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.flag-btn {
    background: transparent;
    border: 1px solid var(--border-default);
    color: var(--text-dim);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.flag-btn:hover {
    border-color: var(--amber-warning);
    color: var(--amber-warning);
}

.flag-btn.flagged {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--amber-warning);
    color: var(--amber-warning);
}

.question-body {
    padding: 28px 24px;
    flex: 1;
}

/* Question Display Area & Structured Typography */
.question-display-container {
    margin-bottom: 24px;
}

.question-lead {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.55;
    color: #F8FAFC;
    margin-bottom: 14px;
}

.question-paragraph {
    font-size: 15px;
    line-height: 1.6;
    color: #E2E8F0;
    margin-bottom: 12px;
}

/* Structured Statement & Assertion Cards */
.statements-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 14px 0 18px 0;
}

.statement-card {
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-left: 4px solid var(--cyan-primary);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    transition: transform var(--transition-fast);
}

.statement-card:hover {
    border-color: var(--cyan-primary);
    background: rgba(30, 41, 59, 0.8);
}

.statement-badge {
    display: inline-block;
    font-size: 11.5px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--cyan-primary);
    background: rgba(56, 189, 248, 0.12);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.statement-card.assertion {
    border-left-color: #818CF8;
    border-color: rgba(129, 140, 248, 0.3);
}

.statement-card.assertion .statement-badge {
    color: #A5B4FC;
    background: rgba(129, 140, 248, 0.15);
}

.statement-card.reason {
    border-left-color: #FBBF24;
    border-color: rgba(251, 191, 36, 0.3);
}

.statement-card.reason .statement-badge {
    color: #FDE68A;
    background: rgba(251, 191, 36, 0.15);
}

.statement-body {
    font-size: 15px;
    line-height: 1.6;
    color: #F1F5F9;
    font-weight: 400;
}

.question-prompt {
    font-size: 14.5px;
    font-weight: 600;
    color: #94A3B8;
    margin-top: 14px;
    font-style: italic;
    padding-left: 2px;
}

/* Matching List Tables */
.match-table-wrapper {
    margin: 14px 0 18px 0;
    overflow-x: auto;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
}

.match-table {
    width: 100%;
    border-collapse: collapse;
}

.match-table th {
    background: rgba(30, 41, 59, 0.9);
    padding: 10px 14px;
    text-align: left;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--cyan-primary);
    border-bottom: 1px solid var(--border-default);
}

.match-table td {
    padding: 10px 14px;
    font-size: 13.5px;
    color: var(--text-main);
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}

/* Modern Radio-Button Options */
.options-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.option-card {
    background: rgba(15, 23, 42, 0.75);
    border: 1.5px solid #334155;
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
    position: relative;
}

.option-card:hover {
    border-color: var(--cyan-primary);
    background: rgba(56, 189, 248, 0.06);
    transform: translateX(3px);
}

.option-card.selected {
    border-color: var(--cyan-primary);
    background: rgba(56, 189, 248, 0.14);
    box-shadow: 0 0 16px rgba(56, 189, 248, 0.22);
}

/* Radio Button Indicator */
.radio-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.native-radio {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.custom-radio-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #64748B;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    position: relative;
}

.option-card:hover .custom-radio-circle {
    border-color: var(--cyan-primary);
}

.option-card.selected .custom-radio-circle {
    border-color: var(--cyan-primary);
    background: rgba(56, 189, 248, 0.15);
}

.option-card.selected .custom-radio-circle::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--cyan-primary);
    box-shadow: 0 0 8px var(--cyan-primary);
}

.option-pill {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid #334155;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.option-card.selected .option-pill {
    background: var(--cyan-primary);
    color: #080C14;
    border-color: var(--cyan-primary);
    font-weight: 800;
}

.option-text {
    font-size: 14.5px;
    color: var(--text-main);
    line-height: 1.5;
    flex: 1;
}

.option-card.selected .option-text {
    color: #FFF;
    font-weight: 500;
}

/* Question Footer */
.question-footer {
    padding: 16px 24px;
    background: rgba(30, 41, 59, 0.4);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left, .footer-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-action-btn {
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-action-btn.primary {
    background: var(--cyan-primary);
    color: #080C14;
    border: none;
}

.nav-action-btn.primary:hover {
    background: #7DD3FC;
    transform: translateY(-1px);
}

.nav-action-btn.secondary {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-default);
    color: var(--text-main);
}

.nav-action-btn.secondary:hover:not(:disabled) {
    border-color: var(--border-accent);
}

.nav-action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.nav-action-btn.ghost {
    background: transparent;
    border: none;
    color: var(--text-dim);
}

.nav-action-btn.ghost:hover {
    color: var(--rose-danger);
}

/* Palette Pane (Right Side) */
.palette-pane {
    position: sticky;
    top: 84px;
}

.palette-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.palette-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.palette-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
}

.palette-track-tag {
    font-size: 10px;
    font-family: var(--font-mono);
    background: rgba(56, 189, 248, 0.1);
    color: var(--cyan-primary);
    padding: 2px 6px;
    border-radius: 4px;
}

.palette-sub {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 18px;
}

.palette-cell {
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-default);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.palette-cell:hover {
    border-color: var(--cyan-primary);
    color: var(--text-main);
}

.palette-cell.current {
    border-color: var(--cyan-primary);
    box-shadow: 0 0 10px var(--cyan-glow);
    color: var(--cyan-primary);
    font-weight: 700;
}

.palette-cell.answered {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--emerald-green);
    color: #34D399;
}

.palette-cell.flagged {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--amber-warning);
    color: #FBBF24;
}

.palette-cell.answered.flagged {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.25) 50%, rgba(245, 158, 11, 0.25) 50%);
    border-color: var(--amber-warning);
}

/* Palette Legend */
.palette-legend {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 11px;
    color: var(--text-dim);
    border-top: 1px solid var(--border-subtle);
    padding-top: 12px;
    margin-bottom: 16px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-box {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

.legend-box.answered { background: var(--emerald-green); }
.legend-box.flagged { background: var(--amber-warning); }
.legend-box.current { border: 1.5px solid var(--cyan-primary); }
.legend-box.unanswered { background: var(--bg-surface-elevated); border: 1px solid var(--border-default); }

.shortcuts-helper {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 10px;
    margin-bottom: 18px;
}

.shortcut-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.shortcut-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 10.5px;
    color: var(--text-dim);
}

kbd {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-default);
    border-radius: 3px;
    padding: 1px 4px;
    font-family: var(--font-mono);
    color: var(--cyan-primary);
}

.submit-assessment-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #10B981, #059669);
    border: none;
    border-radius: var(--radius-sm);
    color: #FFF;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.submit-assessment-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

/* ==========================================================================
   STAGE 3: Assessment Results & Diagnostics Dashboard
   ========================================================================== */
.result-screen {
    max-width: 1080px;
    margin: 16px auto;
}

.result-hero-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: 36px;
    text-align: center;
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.result-hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #10B981, #38BDF8, #6366F1);
}

.result-status-badge {
    display: inline-block;
    padding: 4px 14px;
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--emerald-green);
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 20px;
    margin-bottom: 12px;
}

.result-title {
    font-family: var(--font-heading);
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 8px;
}

.result-subtitle {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.score-display-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-bottom: 28px;
}

.score-ring {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, #0F172A 60%, rgba(56, 189, 248, 0.15) 100%);
    border: 4px solid var(--cyan-primary);
    box-shadow: 0 0 25px var(--cyan-glow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.score-val {
    font-family: var(--font-mono);
    font-size: 34px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1;
}

.score-caption {
    font-size: 10px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

.score-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    text-align: left;
}

.summary-metric {
    background: var(--bg-main);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 12px 18px;
    min-width: 140px;
}

.metric-num {
    display: block;
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.metric-num.green { color: var(--emerald-green); }
.metric-num.red { color: var(--rose-danger); }
.metric-num.cyan { color: var(--cyan-primary); }
.metric-num.amber { color: var(--amber-warning); }

.metric-label {
    font-size: 11px;
    color: var(--text-dim);
}

.tier-standing-box {
    margin-bottom: 28px;
    font-size: 14px;
    color: var(--text-muted);
}

.standing-badge {
    font-family: var(--font-heading);
    font-weight: 700;
    color: #FFF;
    background: linear-gradient(135deg, #0284C7, #4F46E5);
    padding: 4px 14px;
    border-radius: 20px;
    margin-left: 8px;
    font-size: 13.5px;
}

.certificate-download-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    border-top: 1px solid var(--border-subtle);
    padding-top: 24px;
}

.download-pdf-btn {
    padding: 14px 32px;
    background: linear-gradient(135deg, #0284C7, #0284C7 50%, #2563EB);
    border: 1px solid var(--cyan-primary);
    border-radius: var(--radius-sm);
    color: #FFF;
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.4);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.download-pdf-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(14, 165, 233, 0.6);
}

.pdf-note {
    font-size: 11.5px;
    color: var(--text-dim);
}

/* Results Columns */
.results-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.results-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.card-heading {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
}

.card-sub {
    font-size: 12.5px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.category-bars {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.cat-bar-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cat-bar-header {
    display: flex;
    justify-content: space-between;
    font-size: 12.5px;
    font-weight: 500;
}

.cat-bar-track {
    background: var(--bg-main);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.cat-bar-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, #38BDF8, #818CF8);
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.results-actions-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.action-card-btn {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
}

.action-card-btn:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
    background: rgba(30, 41, 59, 0.95);
}

.btn-icon {
    font-size: 24px;
}

.btn-text strong {
    display: block;
    font-size: 14px;
    color: var(--text-main);
    margin-bottom: 2px;
}

.btn-text span {
    font-size: 12px;
    color: var(--text-dim);
}

/* Review Modal */
.review-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(4, 6, 12, 0.85);
    backdrop-filter: blur(8px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.review-modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 900px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
}

.review-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.review-modal-header h2 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
}

.close-modal-btn {
    background: transparent;
    border: none;
    font-size: 28px;
    color: var(--text-dim);
    cursor: pointer;
    line-height: 1;
}

.close-modal-btn:hover {
    color: var(--text-main);
}

.review-items-container {
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.review-q-card {
    background: var(--bg-main);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 20px;
}

.review-q-card.correct { border-left: 4px solid var(--emerald-green); }
.review-q-card.incorrect { border-left: 4px solid var(--rose-danger); }

.review-q-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 12px;
}

.review-q-title {
    font-size: 14.5px;
    font-weight: 600;
    margin-bottom: 12px;
}

.review-explanation {
    margin-top: 14px;
    background: rgba(15, 23, 42, 0.8);
    border-left: 2px solid var(--cyan-primary);
    padding: 10px 14px;
    font-size: 12.5px;
    color: var(--text-muted);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Modals Overlay (Proctor & Confirm) */
.proctor-alert-overlay, .confirm-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(3, 7, 18, 0.85);
    backdrop-filter: blur(8px);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.proctor-alert-box, .confirm-modal-box {
    background: var(--bg-surface);
    border: 1px solid var(--rose-danger);
    box-shadow: 0 0 30px var(--rose-glow);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 480px;
    text-align: center;
}

.confirm-modal-box {
    border-color: var(--border-default);
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
}

.alert-icon-ring {
    font-size: 36px;
    margin-bottom: 12px;
}

.proctor-alert-box h3, .confirm-modal-box h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 10px;
}

.proctor-alert-box p, .confirm-modal-box p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 22px;
    line-height: 1.5;
}

.proctor-ack-btn {
    padding: 10px 24px;
    background: var(--rose-danger);
    color: #FFF;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
}

.confirm-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
}

.cancel-btn {
    padding: 10px 20px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-default);
    color: var(--text-main);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.confirm-submit-btn {
    padding: 10px 20px;
    background: var(--emerald-green);
    color: #FFF;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
}

/* Spinner */
.spinner {
    width: 28px;
    height: 28px;
    border: 3px solid rgba(56, 189, 248, 0.2);
    border-top-color: var(--cyan-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 960px) {
    .exam-screen {
        grid-template-columns: 1fr;
    }
    .palette-pane {
        position: static;
    }
    .form-row, .results-columns {
        grid-template-columns: 1fr;
    }
    .score-display-wrapper {
        flex-direction: column;
        gap: 20px;
    }
}

/* ==============================================================================
   CANDIDATE AUTHENTICATION & PERFORMANCE DASHBOARD STYLES
   ============================================================================== */

/* Header Candidate Auth Pill */
.candidate-auth-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    padding: 6px 14px;
    border-radius: 20px;
}

.sign-out-btn {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #F87171;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sign-out-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #FFF;
}

/* Auth Screen */
.auth-screen {
    max-width: 620px;
    margin: 32px auto;
}

.auth-hero {
    text-align: center;
    margin-bottom: 28px;
}

.auth-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
}

.auth-tabs {
    display: flex;
    background: var(--bg-main);
    padding: 4px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    gap: 4px;
}

.auth-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 13.5px;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-tab-btn.active {
    background: var(--bg-surface-elevated);
    color: var(--cyan-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.auth-alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 20px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #FCA5A5;
}

.auth-alert.success {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.3);
    color: #6EE7B7;
}

.auth-form .form-group {
    margin-bottom: 18px;
}

.auth-form label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="tel"],
.auth-form input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-main);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 14.5px;
    font-family: var(--font-sans);
    transition: border-color var(--transition-fast);
}

.auth-form input[type="password"] {
    letter-spacing: 6px;
    font-family: var(--font-mono);
    font-weight: 700;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--cyan-primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.pin-hint {
    display: block;
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
}

.auth-submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, #0284C7, #4F46E5);
    color: #FFF;
    border: none;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    margin-top: 8px;
}

.auth-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35);
}

/* Candidate Performance Dashboard */
.dashboard-screen {
    max-width: 1120px;
    margin: 16px auto;
}

.candidate-profile-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.profile-info-block {
    display: flex;
    align-items: center;
    gap: 16px;
}

.profile-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0EA5E9, #6366F1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.profile-name-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.profile-name {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
}

.roll-badge {
    background: rgba(56, 189, 248, 0.12);
    color: var(--cyan-primary);
    border: 1px solid rgba(56, 189, 248, 0.3);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 14px;
}

.profile-meta-row {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 3px;
}

.profile-meta-row .bullet {
    margin: 0 6px;
    color: var(--text-dim);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    color: #F87171;
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.1);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.metric-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.metric-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.metric-icon.blue { background: rgba(56, 189, 248, 0.15); }
.metric-icon.green { background: rgba(16, 185, 129, 0.15); }
.metric-icon.purple { background: rgba(147, 51, 234, 0.15); }
.metric-icon.amber { background: rgba(245, 158, 11, 0.15); }

.metric-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
}

.metric-value.standing {
    font-size: 16px;
    color: var(--cyan-primary);
}

.history-section, .track-launch-section {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 28px;
}

.table-btn {
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: var(--cyan-primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.table-btn:hover {
    background: var(--cyan-primary);
    color: #000;
}