@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap');

:root {
    --primary-color: #4a90e2;
    --secondary-color: #50e3c2;
    --background-color: #282c34;
    --card-background: #3a3f4b;
    --text-color: #e6e6e6;
    --text-muted-color: #a0a0a0;
    --border-color: #4a4f5a;
    --success-color: #7ed321;
    --error-color: #d0021b;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 300;
}

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

.main-content {
    display: flex;
    gap: 20px;
}

.sidebar {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.viewer-section {
    flex: 3;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card h2 {
    margin-bottom: 15px;
    font-weight: 400;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    color: var(--secondary-color);
}

.card h2 i {
    margin-right: 8px;
}

/* Video List */
.video-list-container ul {
    list-style: none;
    max-height: 250px;
    overflow-y: auto;
}

.video-list-container li {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.video-list-container li:hover, .video-list-container li.active {
    background-color: rgba(74, 144, 226, 0.2);
}

/* Upload Form */
#upload-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#upload-form input[type="file"] {
    border: 1px dashed var(--border-color);
    padding: 10px;
    border-radius: 4px;
}

.btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-size: 1rem;
}

.btn:hover:not(:disabled) {
    background-color: #357abd;
}

.btn:disabled {
    background-color: #555;
    cursor: not-allowed;
}

/* Viewer */
.viewer-container {
    display: flex;
    flex-direction: column;
}

#image-display-container {
    flex-grow: 1;
    background-color: #20232a;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 480px;
    position: relative;
}

#annotated-frame {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.controls-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
}

#frame-slider {
    flex-grow: 1;
}

.frame-input-container {
    display: flex;
    align-items: center;
    gap: 5px;
}

#frame-input {
    width: 70px;
    padding: 5px;
    background-color: var(--background-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
}

/* Detections Log */
#detections-log {
    background-color: #20232a;
    padding: 15px;
    border-radius: 4px;
    height: 150px;
    overflow-y: auto;
    font-family: 'Courier New', Courier, monospace;
}

/* Spinner */
.spinner {
    border: 8px solid #f3f3f3;
    border-top: 8px solid var(--primary-color);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    position: absolute;
}

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

#upload-status.success { color: var(--success-color); }
#upload-status.error { color: var(--error-color); }

/* Analysis Section */
.analysis-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

#analysis-spinner {
    width: 30px;
    height: 30px;
    border-width: 4px;
}

#analysis-results table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

#analysis-results th,
#analysis-results td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

#analysis-results th {
    background-color: rgba(74, 144, 226, 0.2);
    color: var(--secondary-color);
    font-weight: 700;
}

#analysis-results tr:last-child td {
    border-bottom: none;
}

#analysis-results tr:hover {
    background-color: #404552;
}