:root {
    --primary-color: #4a90e2;
    --background-color: #f5f7fa;
    --text-color: #333;
    --border-color: #e1e4e8;
    --success-color: #28a745;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

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

header {
    text-align: center;
    padding: 20px 0;
    margin-bottom: 20px;
}

header h1 {
    color: var(--primary-color);
    font-size: 24px;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.scanner-wrapper {
    background: white;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.method-select-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.method-select-group label {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-color);
}

.scan-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hidden {
    display: none !important;
}

.camera-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.camera-select-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 200px;
}

.camera-select-group label {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-color);
}

.select-field {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background-color: #fff;
    color: var(--text-color);
    outline: none;
    transition: border-color 0.2s;
}

.select-field:focus {
    border-color: var(--primary-color);
}

.secondary-btn {
    background-color: #e9ecef;
    color: var(--text-color);
    padding: 10px 16px;
    font-size: 14px;
    width: auto;
}

.secondary-btn:hover:not(:disabled) {
    background-color: #dde0e3;
}

.scanner-container {
    width: 100%;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    min-height: 300px;
}

.file-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-input-label {
    font-weight: 600;
    font-size: 14px;
}

.file-input {
    padding: 8px 12px;
    cursor: pointer;
}

.file-preview-container {
    background-color: #f8f9fa;
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 20px;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.uploaded-qr-preview {
    max-width: 250px;
    max-height: 250px;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 10px;
}

.error-text {
    color: #d9534f;
    font-size: 14px;
    text-align: center;
    margin-top: 10px;
}

.result-container {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.result-container h2 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.result-box {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    min-height: 60px;
    word-break: break-all;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.result-box a {
    color: var(--primary-color);
    text-decoration: none;
}

.result-box a:hover {
    text-decoration: underline;
}

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

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

.btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

#copy-btn {
    background-color: var(--primary-color);
    color: white;
}

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

#clear-btn {
    background-color: #e9ecef;
    color: var(--text-color);
}

#clear-btn:hover:not(:disabled) {
    background-color: #dde0e3;
}

.generator-container {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.generator-container h2 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.generator-input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.input-field {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.input-field:focus {
    border-color: var(--primary-color);
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    white-space: nowrap;
}

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

.qrcode-display-box {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.qrcode-display-box img,
.qrcode-display-box canvas {
    max-width: 100%;
    height: auto;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

footer {
    text-align: center;
    padding: 20px 0;
    color: #666;
    font-size: 14px;
}

/* Custom styles for html5-qrcode elements */
#reader button {
    background-color: white;
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 4px;
    margin: 10px;
    cursor: pointer;
}

#reader select {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin: 10px;
}

.pos{
    position: relative;
    align-items: right;
    width: 100%;
}