:root {
    --primary: #2A2F4F;
    --secondary: #917FB3;
    --background: #FDE2F3;
    --text: #2A2F4F;
    --success: #4CAF50;
    --danger: #dc3545;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--background);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    padding: 0;
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    margin: 1rem auto;
    width: 100%;
    max-width: 800px;
}

h1, h2, h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.option-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin: 2rem 0;
}

.option-card {
    padding: 2rem;
    border: 2px solid var(--primary);
    border-radius: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.option-card:hover {
    transform: translateY(-5px);
}

.btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
}

.secondary {
    background: var(--secondary);
}

.upload-area {
    border: 2px dashed var(--primary);
    border-radius: 1rem;
    padding: 3rem 2rem;
    margin: 2rem 0;
    cursor: pointer;
}

.preview-container {
    width: 100%;
    max-width: 600px;
    margin: 1rem auto;
}

#videoPreview {
    width: 100%;
    max-width: 100%;
    border-radius: 0.5rem;
    display: block;
    margin: 1rem 0;
}

.progress-container {
    width: 100%;
    margin: 2rem 0;
}

.progress-bar {
    height: 20px;
    background: var(--primary);
    border-radius: 10px;
    transition: width 0.3s ease;
    width: 0%;
}

.hidden {
    display: none !important;
}

.result-badge {
    font-size: 4rem;
    color: var(--primary);
    margin: 2rem 0;
}

.form-group {
    margin: 1rem 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 0.5rem;
    font-size: 1rem;
}

.sp-file-item {
    padding: 1rem;
    margin: 0.5rem 0;
    border: 1px solid #ddd;
    border-radius: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
}

.sp-file-item:hover {
    background: #f8f9fa;
}

#analyzeBtn {
    margin-top: 1rem;
}

#frameCounter {
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.9em;
    color: #666;
}

#cancelBtn {
    margin-top: 1rem;
    background: #dc3545;
}

#cancelBtn:hover {
    background: #c82333;
    transform: translateY(-2px);
}

.btn.danger {
    background: #dc3545;
    color: white;
}

.btn.danger:hover {
    background: #c82333;
    transform: translateY(-2px);
}

.button-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

/* Add to your existing CSS */
#progressBar {
    height: 20px;
    background: var(--primary);
    border-radius: 10px;
    transition: width 0.3s ease;
    width: 0%;
}

#frameCounter {
    display: block;
    text-align: center;
    margin-top: 0.5rem;
    color: var(--text);
    font-size: 0.9em;
}

#newAnalysisBtn {
    margin-top: 1rem;
}

/* Add to style.css */
.timestamp-group {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.timestamp-group .form-group {
    margin: 0;
}

input[type="text"] {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

input:invalid {
    border-color: #ff4444;
    box-shadow: 0 0 3px #ff4444;
}