/**
 * All of the CSS for your public-facing functionality should be
 * included in this file.
 */

:root {
    --celpip-navy: #0f2537;
    --celpip-blue-light: #f4f7f6;
    --celpip-blue-border: #d4dde5;
    --celpip-text: #2f3e46;
    --celpip-text-muted: #627264;
    --celpip-accent: #007bb6;
    --celpip-accent-hover: #005a87;
    --celpip-success: #2a9d8f;
    --celpip-error: #e76f51;
    --celpip-gray-light: #f8f9fa;
    --celpip-gray-border: #e9ecef;
}

/* Outer layout mapping */
.celpip-wrapper {
    display: grid;
    grid-template-columns: 160px 1fr 160px;
    gap: 20px;
    max-width: 1400px;
    margin: 30px auto;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--celpip-text);
}

@media (max-width: 1200px) {
    .celpip-wrapper {
        grid-template-columns: 1fr;
    }
    .celpip-ad-container {
        display: none !important;
    }
}

/* Sidebar Ads slots */
.celpip-ad-container {
    align-self: start;
    position: sticky;
    top: 20px;
    background-color: var(--celpip-gray-light);
    border: 1px dashed var(--celpip-blue-border);
    border-radius: 6px;
    padding: 10px;
    text-align: center;
}

.celpip-ad-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ad-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--celpip-text-muted);
    margin-bottom: 5px;
}

.ad-mock-slot-vertical {
    width: 120px;
    height: 600px;
    background: linear-gradient(135deg, #e9ecef 25%, #dee2e6 25%, #dee2e6 50%, #e9ecef 50%, #e9ecef 75%, #dee2e6 75%, #dee2e6 100%);
    background-size: 20px 20px;
    border-radius: 4px;
}

/* Main test container card */
.celpip-test-container {
    background-color: #ffffff;
    border: 1px solid var(--celpip-blue-border);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 700px;
}

/* Exam Header */
.celpip-exam-header {
    background-color: var(--celpip-navy);
    color: #ffffff;
    padding: 15px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid var(--celpip-accent);
}

.celpip-exam-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

#celpip-current-section-title {
    font-size: 15px;
    font-weight: 500;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 6px 15px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.celpip-header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.celpip-timer-box {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.timer-label {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--celpip-blue-border);
}

#celpip-timer {
    font-size: 20px;
    font-weight: 700;
    font-family: monospace;
    color: #ffffff;
}

/* Navigation button (Official Exam Style) */
.celpip-nav-btn {
    background-color: var(--celpip-accent);
    color: #ffffff;
    border: none;
    border-radius: 4px;
    padding: 8px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.celpip-nav-btn:hover {
    background-color: var(--celpip-accent-hover);
}

.celpip-nav-btn:active {
    transform: scale(0.97);
}

/* Split-Panel layout */
.celpip-split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: calc(100vh - 200px);
    min-height: 600px;
}

@media (max-width: 768px) {
    .celpip-split-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
}

.celpip-left-panel, .celpip-right-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.celpip-left-panel {
    border-right: 1px solid var(--celpip-blue-border);
}

.panel-header {
    background-color: var(--celpip-blue-light);
    border-bottom: 1px solid var(--celpip-blue-border);
    padding: 10px 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--celpip-text-muted);
}

.panel-content {
    padding: 25px;
    overflow-y: auto;
    flex-grow: 1;
}

.panel-content.flex-column-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Passages, prompts, and cards */
.part-instructions {
    background-color: #e2eafc;
    border-left: 4px solid var(--celpip-accent);
    padding: 12px 18px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.celpip-passage-card {
    line-height: 1.6;
    font-size: 15px;
}

/* Custom Audio Player Wrapper */
.celpip-audio-player-wrapper {
    background-color: var(--celpip-gray-light);
    border: 1px solid var(--celpip-blue-border);
    border-radius: 6px;
    padding: 20px;
    margin-top: 20px;
    text-align: center;
}

.audio-status {
    font-size: 13px;
    font-weight: 600;
    color: var(--celpip-accent);
    display: block;
    margin-bottom: 15px;
}

.celpip-native-audio {
    width: 100%;
}

/* Question Cards */
.celpip-question-card {
    background-color: #ffffff;
    border: 1px solid var(--celpip-gray-border);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.question-text {
    font-size: 15px;
    margin-bottom: 15px;
}

/* Option Selector (Official Look) */
.celpip-options-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.celpip-option-item {
    display: flex;
    align-items: center;
    border: 1px solid var(--celpip-blue-border);
    border-radius: 6px;
    padding: 12px 15px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.celpip-option-item:hover {
    background-color: var(--celpip-blue-light);
    border-color: var(--celpip-accent);
}

.celpip-option-item input[type="radio"] {
    display: none;
}

.option-letter {
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 22px;
    text-align: center;
    border: 1px solid var(--celpip-blue-border);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    margin-right: 15px;
    background-color: #ffffff;
    transition: all 0.2s ease;
}

.celpip-option-item input[type="radio"]:checked + .option-letter {
    background-color: var(--celpip-accent);
    border-color: var(--celpip-accent);
    color: #ffffff;
}

.celpip-option-item input[type="radio"]:checked {
    background-color: var(--celpip-accent);
}

.option-text {
    font-size: 14px;
}

/* Writing Area Wrapper */
.writing-input-wrapper {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.celpip-textarea {
    width: 100%;
    flex-grow: 1;
    min-height: 300px;
    border: 1px solid var(--celpip-blue-border);
    border-radius: 6px;
    padding: 15px;
    font-size: 15px;
    font-family: inherit;
    line-height: 1.5;
    resize: none;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.celpip-textarea:focus {
    outline: none;
    border-color: var(--celpip-accent);
    box-shadow: 0 0 0 3px rgba(0, 123, 182, 0.15);
}

.textarea-footer {
    display: flex;
    justify-content: flex-end;
    padding: 8px 5px;
    border-top: 1px solid var(--celpip-gray-border);
    background-color: var(--celpip-gray-light);
}

.word-counter-label {
    font-size: 13px;
    color: var(--celpip-text-muted);
}

/* Speaking Panel visual elements */
.speaking-prompt-image-wrapper {
    text-align: center;
    margin-top: 20px;
    border: 1px solid var(--celpip-blue-border);
    border-radius: 6px;
    overflow: hidden;
}

.speaking-diagram {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.centered-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.speaking-recorder-card {
    background-color: var(--celpip-gray-light);
    border: 1px solid var(--celpip-blue-border);
    border-radius: 8px;
    padding: 40px 30px;
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.recorder-visualizer {
    margin-bottom: 30px;
}

.pulsing-mic-icon {
    font-size: 48px;
    margin-bottom: 15px;
    animation: none;
}

.recording .pulsing-mic-icon {
    animation: mic-pulse 1.5s infinite;
}

@keyframes mic-pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.recorder-status {
    font-size: 15px;
    font-weight: 600;
    color: var(--celpip-text-muted);
}

.recording .recorder-status {
    color: var(--celpip-error);
}

.recorder-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.recorder-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.start-recording {
    background-color: var(--celpip-accent);
    color: #ffffff;
}

.start-recording:hover {
    background-color: var(--celpip-accent-hover);
}

.stop-recording {
    background-color: var(--celpip-error);
    color: #ffffff;
}

.stop-recording:disabled {
    background-color: var(--celpip-blue-border);
    color: var(--celpip-text-muted);
    cursor: not-allowed;
}

/* Intermediate Ad Transition View */
.celpip-transition-view {
    padding: 60px 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 600px;
    background-color: var(--celpip-blue-light);
}

.transition-card {
    background-color: #ffffff;
    border: 1px solid var(--celpip-blue-border);
    border-radius: 8px;
    padding: 40px;
    max-width: 600px;
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.transition-timer-msg {
    font-size: 16px;
    margin: 15px 0 30px;
    color: var(--celpip-text);
}

#celpip-transition-countdown {
    font-weight: 700;
    color: var(--celpip-accent);
    font-size: 20px;
}

.celpip-transition-ad-box {
    background-color: var(--celpip-gray-light);
    border: 1px dashed var(--celpip-blue-border);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 30px;
}

.ad-mock-slot-horizontal {
    width: 100%;
    height: 90px;
    background: linear-gradient(135deg, #e9ecef 25%, #dee2e6 25%, #dee2e6 50%, #e9ecef 50%, #e9ecef 75%, #dee2e6 75%, #dee2e6 100%);
    background-size: 20px 20px;
    border-radius: 4px;
}

.celpip-action-btn {
    background-color: var(--celpip-success);
    color: #ffffff;
    border: none;
    border-radius: 4px;
    padding: 12px 30px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.celpip-action-btn:hover {
    background-color: #218376;
}

/* Results layout */
.results-container-card {
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.results-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--celpip-navy);
}

.loading-results {
    text-align: center;
    padding: 50px 0;
}

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--celpip-blue-border);
    border-top-color: var(--celpip-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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