.tc-training-container {
    max-width: 800px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.tc-player-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    background: #000;
}

.tc-player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tc-progress-section {
    margin: 20px 0;
}

.tc-progress-bar {
    width: 100%;
    height: 20px;
    background: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
}

.tc-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #28a745, #20c997);
    transition: width 0.5s ease;
    width: 0%;
}

.tc-progress-text {
    text-align: center;
    font-size: 14px;
    color: #555;
    margin-top: 8px;
}

.tc-completion-form {
    background: #f8f9fa;
    padding: 24px;
    border-radius: 8px;
    margin-top: 24px;
}

.tc-completion-form h3 {
    margin-top: 0;
}

.tc-form-field {
    margin-bottom: 16px;
}

.tc-form-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

.tc-form-field input,
.tc-form-field select,
.tc-form-field textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 15px;
}

.tc-form-field textarea {
    min-height: 80px;
    resize: vertical;
}

.tc-required {
    color: #dc3545;
}

.tc-button,
a.tc-button,
.tc-button:visited,
a.tc-button:visited {
    background: #1a3c6e;
    color: #fff !important;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
}

.tc-button:hover,
a.tc-button:hover {
    background: #142d54;
    color: #fff !important;
    text-decoration: none;
}

.tc-button:disabled {
    background: #6c757d;
    cursor: not-allowed;
}

.tc-notice {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.tc-notice-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.tc-notice-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.tc-certificate-link {
    margin-top: 16px;
    word-break: break-all;
}