/* Sport Science Coach Styles */

:root {
    --primary-color: #4a6fa5;
    --primary-dark: #3a5a8c;
    --secondary-color: #6fb98f;
    --accent-color: #ff7e67;
    --light-bg: #f7f9fc;
    --dark-text: #2c3e50;
    --light-text: #ecf0f1;
    --border-color: #dce1e8;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --card-bg: #ffffff;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
}

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

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

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

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
}

header h1 i {
    margin-right: 10px;
    color: var(--accent-color);
}

main {
    display: grid;
    gap: 30px;
}

section {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 25px;
    box-shadow: var(--shadow);
}

h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.8rem;
}

h3 {
    color: var(--dark-text);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

p {
    margin-bottom: 15px;
}

/* File Upload Styles */
.file-upload-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.file-upload {
    flex: 1;
    min-width: 250px;
}

.file-upload label {
    display: block;
    padding: 15px;
    background-color: var(--primary-color);
    color: var(--light-text);
    text-align: center;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.file-upload label:hover {
    background-color: var(--primary-dark);
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload span {
    display: block;
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--dark-text);
    text-align: center;
}

.use-sample-data {
    display: flex;
    align-items: center;
    position: relative;
}

.use-sample-data button {
    background-color: var(--secondary-color);
    color: var(--light-text);
    border: none;
    padding: 10px 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.use-sample-data button:hover {
    background-color: #5da97c;
}

.tooltip {
    visibility: hidden;
    background-color: var(--dark-text);
    color: var(--light-text);
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;
    position: absolute;
    z-index: 1;
    left: 100%;
    margin-left: 10px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8rem;
    width: 200px;
}

.use-sample-data:hover .tooltip {
    visibility: visible;
    opacity: 1;
}

/* Analysis Options Styles */
.options-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

/* New: Option rows for analysis options */
.options-row {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
}
.advanced-row {
    margin-top: 16px;
}

.option-group {
    width: 100%;
    min-width: 200px;
}

select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--light-bg);
    color: var(--dark-text);
    font-size: 1rem;
}

.custom-prompt {
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--light-bg);
    color: var(--dark-text);
    font-size: 1rem;
    resize: vertical;
}

.primary-button {
    background-color: var(--primary-color);
    color: var(--light-text);
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s;
    display: block;
    width: 100%;
}

.primary-button:hover {
    background-color: var(--primary-dark);
}

/* Checkbox Option Styles */
.checkbox-option {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.checkbox-option input[type="checkbox"] {
    margin-right: 10px;
}

.checkbox-option label {
    cursor: pointer;
}

/* Raw Data Display Styles */
.raw-data-section {
    margin-top: 30px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.raw-data-container {
    margin-top: 10px;
    padding: 15px;
    background-color: var(--light-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    overflow: auto;
    max-height: 300px;
}

.raw-data-container pre {
    font-family: monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    margin: 0;
}

.raw-data-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

.raw-data-toggle h3 {
    margin-bottom: 0;
}

.toggle-icon {
    font-size: 1.2rem;
}

/* Report Section Styles */
.report-section {
    min-height: 400px;
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.report-actions {
    display: flex;
    gap: 10px;
}

.report-actions button {
    background-color: var(--light-bg);
    color: var(--dark-text);
    border: 1px solid var(--border-color);
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
    min-width: 140px;
}

.report-actions button:hover {
    background-color: var(--border-color);
}

.report-actions button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.report-actions button .fa-spinner {
    animation: spin 1s linear infinite;
}

.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border-left-color: var(--primary-color);
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

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

#report-container {
    line-height: 1.8;
}

#report-container h3 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

#report-container ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

#report-container p {
    margin-bottom: 15px;
}

/* Chart Styles */
.chart-section {
    margin-top: 30px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.charts-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.chart-container {
    position: relative;
    height: 300px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    background-color: var(--light-bg);
}

.chart-container canvas {
    width: 100%;
    height: 100%;
}

.no-data-message {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    background-color: var(--light-bg);
    border-radius: 6px;
    color: var(--dark-text);
    font-style: italic;
}

.hidden {
    display: none;
}

/* Add extra space after the last goal label in each chart */
.goal-label:last-child {
    margin-bottom: 24px;
}

/* PDF Export Styles */
.pdf-export .chart-container {
    max-width: 500px; /* Optimal width for A4 page with margins */
    margin-left: auto;
    margin-right: auto;
}

.pdf-export .charts-wrapper {
    width: 100%;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.pdf-export canvas {
    max-width: 100%;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .file-upload-container,
    .options-container {
        flex-direction: column;
    }
    .options-row {
        flex-direction: column;
        gap: 16px;
    }
.advanced-row {
    margin-top: 16px;
    flex-direction: row;
    display: flex;
    gap: 24px;
}
    .report-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px 0;
    color: var(--dark-text);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}