/* Enhanced styling for Snowboarding Posture & Trick Analyzer */
:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --background-color: #f0f4f8;
    --card-color: #ffffff;
    --text-color: #333333;
    --text-light: #666666;
    --border-radius: 8px;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

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

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

header {
    text-align: center;
    padding: 30px 0;
}

h1 {
    font-size: 32px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

h2 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-color);
}

p {
    margin-bottom: 15px;
}

/* Controls and settings */
.controls {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

#uploadForm {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    margin-bottom: 15px;
}

input[type="file"] {
    flex: 1;
    min-width: 250px;
    padding: 12px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #2980b9;
}

/* Settings panel */
.settings-panel {
    margin-top: 15px;
}

.settings-panel summary {
    cursor: pointer;
    color: var(--primary-color);
    font-weight: bold;
    padding: 5px 0;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 10px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 4px;
}

.settings-grid label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.settings-grid select,
.settings-grid input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* Main analysis grid */
.analysis-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (min-width: 900px) {
    .analysis-grid {
        grid-template-columns: 3fr 2fr;
    }
}

#videoContainer {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    text-align: center;
}

video, canvas {
    max-width: 100%;
    border-radius: 4px;
    margin-top: 15px;
}

/* Analysis panel */
.analysis-panel {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.placeholder-text {
    color: var(--text-light);
    font-style: italic;
    text-align: center;
    padding: 40px 0;
}

/* Feedback styling */
#feedbackContainer {
    text-align: left;
    margin-top: 15px;
}

.metrics {
    background-color: #f8f9fa;
    border-left: 4px solid var(--primary-color);
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
    font-family: monospace;
    font-size: 14px;
}

#feedbackContainer ul {
    padding-left: 20px;
}

#feedbackContainer li {
    margin-bottom: 8px;
    line-height: 1.4;
}

/* Loading indicator */
#loadingIndicator {
    padding: 20px;
    background-color: #f0f0f0;
    border-radius: 4px;
    margin-top: 20px;
    text-align: center;
    font-weight: bold;
}

/* Instructions section */
.instructions {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    text-align: center;
}

.instruction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.instruction-item {
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.instruction-item:hover {
    transform: translateY(-5px);
}

.instruction-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

/* Trick references */
.trick-references {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.trick-references details {
    margin-bottom: 15px;
    padding: 10px;
    background-color: #f9f9f9;
    border-radius: 4px;
}

.trick-references summary {
    cursor: pointer;
    font-weight: bold;
    padding: 5px;
}

.trick-references p {
    padding: 10px;
    margin-top: 5px;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: var(--text-light);
    font-size: 14px;
    margin-top: 20px;
}

/* Frame info */
#frameInfo {
    text-align: left;
    padding: 5px 10px;
    background-color: rgba(0,0,0,0.7);
    color: white;
    border-radius: 4px;
    font-size: 12px;
    margin-top: 10px;
    display: inline-block;
}

/* Debug info */
#debugInfo {
    z-index: 1000;
}

/* Animation for loading indicator */
@keyframes pulse {
    0% {opacity: 0.6;}
    50% {opacity: 1;}
    100% {opacity: 0.6;}
}

#loadingIndicator {
    animation: pulse 1.5s infinite;
}