:root {
    --primary-color: #00A99D; /* ZOCO Dark Green/Teal */
    --accent-color: #A4D65E;  /* ZOCO Vibrant Green */
    --background-color: #f4f4f4;
    --card-bg-color: #ffffff;
    --text-color: #333;
    --light-text-color: #666;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: var(--card-bg-color);
    border-bottom: 5px solid var(--primary-color);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: center;
}

.header-content {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 800px;
}

.header-logo {
    height: 50px;
    margin-right: 1.5rem;
}

.header-text h1 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--text-color);
}

.header-text p {
    margin: 0;
    color: var(--light-text-color);
}

main {
    padding: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.input-container {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

#video-input {
    flex-grow: 1;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

#analyze-btn {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: bold;
    color: white;
    background-color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s;
}

#analyze-btn:hover {
    background-color: #00877E;
}

#analyze-btn:disabled {
    background-color: #999;
    cursor: not-allowed;
}

.secondary-btn {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: bold;
    color: var(--primary-color);
    background-color: var(--card-bg-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
}

.secondary-btn:hover {
    background-color: #f0f0f0;
}

.secondary-btn:disabled {
    background-color: #ccc;
    border-color: #ccc;
    color: #888;
    cursor: not-allowed;
}

.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.report-card {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 1.5rem;
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.5rem;
    background-color: #f9f9f9;
    border-bottom: 1px solid #eee;
}

.card-header h2 {
    margin: 0;
    font-size: 1.3rem;
    display: flex;
    justify-content: space-between;
}

.card-body {
    padding: 1.5rem;
}

ul.checklist {
    list-style: none;
    padding: 0;
}

.checklist li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.checklist .icon {
    margin-right: 0.8rem;
    font-size: 1.2rem;
}

.checklist .success { color: var(--success-color); }
.checklist .warning { color: var(--warning-color); }

.feedback-text .suggestion {
    font-style: italic;
    color: var(--light-text-color);
    display: block;
    margin-top: 0.25rem;
}

.overall-score {
    text-align: center;
    padding: 1rem;
    background: var(--card-bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.overall-score h2 {
    margin: 0 0 0.5rem 0;
    color: var(--primary-color);
}

.overall-score .score-value {
    font-size: 3rem;
    font-weight: bold;
    color: var(--text-color);
}

.placeholder-content {
    text-align: center;
    margin-top: 4rem;
    color: #888;
}

.placeholder-icon {
    font-size: 4rem;
    line-height: 1;
    margin-bottom: 1rem;
}

.competitors-gallery {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #ddd;
}

.competitors-gallery h3 {
    text-align: center;
    color: var(--primary-color);
}

.competitors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.competitor-card {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.competitor-card.is-user {
    border: 3px solid var(--accent-color);
}

.competitor-card img {
    width: 100%;
    display: block;
}

.competitor-card .title {
    padding: 0.8rem;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
}

.transcript-section {
    max-width: 800px;
    margin: 3rem auto 0 auto;
    padding: 0 1.5rem;
}

.transcript-section h3 {
    text-align: center;
    color: var(--primary-color);
}

.transcript-section p {
    text-align: center;
    color: var(--light-text-color);
    margin-bottom: 1.5rem;
}

#transcript-input {
    width: 100%;
    height: 200px;
    padding: 1rem;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    box-sizing: border-box;
    resize: vertical;
}

#analyze-transcript-btn {
    display: block;
    margin: 1rem auto 0 auto;
}

.keywords-suggestions {
    background-color: #f9f9f9;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-top: 1.5rem;
    text-align: center;
}

.keywords-suggestions h3 {
    margin-top: 0;
    color: var(--primary-color);
}

.keywords-suggestions .pill {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-color);
    padding: 5px 12px;
    border-radius: 15px;
    margin: 5px 5px 5px 0;
    font-size: 0.9rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.action-words {
    margin-top: 1rem;
    text-align: center;
}

.action-words div {
    margin-top: 0.5rem;
}

.accordion-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.accordion {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 1.1rem;
    font-weight: bold;
    transition: background-color 0.2s;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion:hover, .accordion.active {
    background-color: #ddd;
}

.accordion:after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
}

.accordion.active:after {
    content: "−";
}

.panel {
    padding: 0 18px;
    background-color: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    border-top: none;
}

.panel h4 {
    color: var(--primary-color);
    margin-top: 1.5rem;
}

.panel ul {
    list-style: disc;
    padding-left: 20px;
}

footer {
    text-align: center;
    padding: 1.5rem;
    margin-top: 3rem;
    font-size: 0.9rem;
    color: var(--light-text-color);
    background-color: var(--card-bg-color);
    border-top: 5px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}
.keyword-display {
    text-align: center;
    color: var(--light-text-color);
    margin-top: -1rem;
    margin-bottom: 2rem;
    font-style: italic;
}
footer p {
    margin: 0;
}