/* ═══════════════════════════════════════════════════════════
   PRACTICE TEST CSS
   ═══════════════════════════════════════════════════════════ */

.pt-container {
    max-width: 1200px;
    margin: 0 auto;
    font-family: 'Inter', sans-serif;
}

/* Dashboard / Config */
.pt-config-panel {
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.pt-domain-list {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    padding: 10px;
    background: var(--sim-bg-secondary);
}

body.dark-mode .pt-config-panel {
    background: #2a2a2a;
    border-color: #444;
}

body.dark-mode .pt-domain-list {
    background: #1e1e1e;
    border-color: #444;
}

/* Exam Engine Layout */
.pt-exam-layout {
    display: flex;
    gap: 20px;
    height: calc(100vh - 200px);
    min-height: 600px;
}

.pt-sidebar {
    width: 250px;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pt-sidebar-header {
    padding: 15px;
    border-bottom: 1px solid var(--bs-border-color);
    text-align: center;
    font-weight: bold;
    background: var(--bs-light);
}
body.dark-mode .pt-sidebar-header { background: #2a2a2a; }

.pt-nav-grid {
    padding: 15px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    align-content: start;
    overflow-y: auto;
    flex: 1;
}

.pt-nav-btn {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 4px;
    border: 1px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.pt-nav-btn:hover { background: var(--sim-bg-hover); }
.pt-nav-btn.active { border-color: var(--bs-primary); box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.25); }
.pt-nav-btn.answered { background: rgba(13, 110, 253, 0.1); border-color: var(--bs-primary); }
.pt-nav-btn.flagged { background: rgba(255, 193, 7, 0.2); border-color: var(--bs-warning); }

.pt-main {
    flex: 1;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    position: relative;
}

body.dark-mode .pt-sidebar {
    background: #2a2a2a;
    border-color: #444;
}

body.dark-mode .pt-nav-btn {
    background: #333;
    border-color: #555;
    color: #f1f1f1;
}

body.dark-mode .pt-nav-btn:hover {
    background: #444;
}

body.dark-mode .pt-nav-btn.active {
    border-color: #0d6efd;
    background: #1c3b69;
}

body.dark-mode .pt-nav-btn.answered {
    background: #183052;
    border-color: #0d6efd;
}

body.dark-mode .pt-nav-btn.flagged {
    background: #47360a;
    border-color: #ffc107;
}

body.dark-mode .pt-main {
    background: #2a2a2a;
    border-color: #444;
}

.pt-header {
    padding: 20px;
    border-bottom: 1px solid var(--bs-border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pt-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    font-size: 1.1rem;
}

.pt-footer {
    padding: 20px;
    border-top: 1px solid var(--bs-border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bs-light);
    border-radius: 0 0 12px 12px;
}
body.dark-mode .pt-footer { background: #222; border-color: #444; }
body.dark-mode .pt-header { border-color: #444; }

/* Questions */
.pt-option {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    margin-bottom: 15px;
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}
.pt-option:hover { background: var(--sim-bg-hover); }
.pt-option.selected {
    border-color: var(--bs-primary);
    background: rgba(13, 110, 253, 0.05);
}

.pt-option input[type="radio"],
.pt-option input[type="checkbox"] {
    margin-right: 15px;
    transform: scale(1.2);
}

body.dark-mode .pt-option {
    border-color: #444;
}

body.dark-mode .pt-option:hover {
    background: #333;
}

body.dark-mode .pt-option.selected {
    background: #1c3b69;
    border-color: #0d6efd;
}

/* Results */
.pt-result-card {
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    margin-bottom: 30px;
}

body.dark-mode .pt-result-card {
    background: #2a2a2a;
    border-color: #444;
}

.pt-score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--bs-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}
.pt-score-circle h2 { margin: 0; font-size: 2.5rem; }
.pt-score-circle span { font-size: 0.9rem; color: var(--bs-secondary); }

/* PBQ Styles */
.pt-pbq-container {
    background: var(--sim-bg-secondary);
    border: 1px dashed var(--bs-border-color);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

.pt-pbq-slot {
    padding: 10px;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 4px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.pt-pbq-select {
    width: 60%;
}

body.dark-mode .pt-pbq-container {
    background: #1e1e1e;
    border-color: #555;
}

body.dark-mode .pt-pbq-slot {
    background: #333;
    border-color: #555;
}

/* Review Mode */
.pt-explanation {
    margin-top: 20px;
    padding: 20px;
    background: rgba(13, 202, 240, 0.1);
    border-left: 4px solid var(--bs-info);
    border-radius: 4px;
}
.pt-option.correct { border-color: var(--bs-success); background: rgba(25, 135, 84, 0.1); }
.pt-option.incorrect { border-color: var(--bs-danger); background: rgba(220, 53, 69, 0.1); }

body.dark-mode .pt-explanation {
    background: #123440;
    color: #e0e0e0;
    border-color: #0dcaf0;
}

body.dark-mode .pt-option.correct {
    background: #123d26;
    border-color: #198754;
}

body.dark-mode .pt-option.incorrect {
    background: #4a151b;
    border-color: #dc3545;
}