/* Reset a základní styly */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* Camera Section */
.camera-section {
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.camera-container {
    position: relative;
    width: 100%;
    height: 300px;
    border-radius: 15px;
    overflow: hidden;
    background: #f5f5f5;
    margin-bottom: 20px;
}

#video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#preview-img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.camera-controls {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Note Section */
.note-section {
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.note-info h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 1.3rem;
}

.note-textarea {
    width: 100%;
    min-height: 120px;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
    transition: border-color 0.3s ease;
    background: #f8f9fa;
}

.note-textarea:focus {
    outline: none;
    border-color: #4CAF50;
    background: white;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.note-textarea::placeholder {
    color: #999;
    font-style: italic;
}

/* Buttons */
.btn {
    padding: 15px 25px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 140px;
    justify-content: center;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #ff9800, #f57c00);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);
}

.btn-secondary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    color: white;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
    width: 100%;
    font-size: 1.1rem;
    padding: 18px;
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}

/* Location Section */
.location-section {
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.location-info h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 1.3rem;
}

.location-status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.status-text {
    font-weight: 500;
}

.location-details {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid #4CAF50;
}

.location-details p {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.location-details p:last-child {
    margin-bottom: 0;
}

/* Submit Section */
.submit-section {
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.submit-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
    font-weight: 500;
    color: #666;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #4CAF50;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Status Messages */
.status-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 15px 25px;
    border-radius: 10px;
    font-weight: 600;
    z-index: 1000;
    animation: slideDown 0.3s ease;
}

.status-message.success {
    background: #4CAF50;
    color: white;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.status-message.error {
    background: #f44336;
    color: white;
    box-shadow: 0 4px 15px rgba(244, 67, 54, 0.3);
}

.status-message.info {
    background: #2196F3;
    color: white;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
}

@keyframes slideDown {
    from {
        transform: translateX(-50%) translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .camera-container {
        height: 250px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    .camera-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .camera-container {
        height: 200px;
    }
    
    .camera-section,
    .location-section,
    .submit-section {
        padding: 20px;
    }
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Focus States for Accessibility */
.btn:focus {
    outline: 2px solid #4CAF50;
    outline-offset: 2px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    }
    
    .camera-section,
    .location-section,
    .submit-section {
        background: #2c3e50;
        color: white;
    }
    
    .location-details {
        background: #34495e;
        color: white;
    }
}