:root {
    --primary-color: #2c6fbb;
    --primary-dark: #1a4d8c;
    --secondary-color: #1e4a7c;
    --danger-color: #d32f2f;
    --light-bg: #f5f7fa;
    --card-bg: #ffffff;
    --border-color: #eaeef5;
    --text-primary: #333;
    --text-secondary: #597a96;
    --text-light: #7d97ad;
    --success-color: #4caf50;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    background-color: var(--light-bg);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-container {
    width: 100%;
    max-width: 1200px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

header {
    background: rgba(240, 246, 255, 0.3);
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.logo-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.2);
}

.logo-icon i {
    color: white;
}

.header-content {
    flex: 1;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.app-description {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 4px;
}

main {
    display: flex;
    min-height: 600px;
    flex-wrap: wrap;
}

.config-panel {
    flex: 1;
    min-width: 300px;
    padding: 10px 20px 0;
    border-right: 1px solid var(--border-color);
}

.code-panel {
    flex: 1;
    min-width: 300px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.panel-title {
    color: var(--secondary-color);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.panel-title i {
    color: var(--primary-color);
    font-size: 20px;
}

.control-group {
    margin-bottom: 20px;
    background: rgba(240, 246, 255, 0.5);
    padding: 15px;
    border-radius: 8px;
    transition: var(--transition);
}

.control-group:hover {
    background: rgba(240, 246, 255, 0.8);
}

.control-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
}

.control-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.description {
    color: var(--text-light);
    font-size: 13px;
    line-height: 1.6;
    text-align: left;
    max-width: 100%;
}

.value-display {
    font-size: 22px;
    color: var(--secondary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.slider-container {
    margin-top: 15px;
}

.small-label {
    font-size: 12px;
    background-color: #eaf0f7;
    color: #4a7299;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 500;
}

.secret-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.account-issuer {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.account-issuer .control-group {
    flex: 1;
    margin-bottom: 0;
    padding: 0 !important;
    background: none;
}

.countdown-container {
    position: relative;
    margin: 20px 0;
}

.token-display-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.token-display {
    font-size: 48px;
    color: var(--secondary-color);
    background: #f0f6ff;
    padding: 15px 30px;
    border-radius: 12px;
    margin: 25px 10px 25px;
    font-family: 'Courier New', monospace;
    letter-spacing: 5px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(44, 111, 187, 0.15);
    min-width: 250px;
}

.qrcode-container {
    background: white;
    padding: 15px;
    border-radius: 12px;
    margin: 20px 0 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #e1e8f0;
}

.qrcode {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-bottom: 15px;
    background: white;
    overflow: hidden;
}

.qrcode-title {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.uri-container {
    width: 100%;
    max-width: 500px;
}

.uri-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}

footer {
    text-align: center;
    padding: 12px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 12px;
    background: rgba(240, 246, 255, 0.3);
}

.btn {
    padding: 8px 15px;
    border-radius: 6px;
    border: none;
    background: var(--primary-color);
    color: white;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: rgba(44, 111, 187, 0.1);
}

.btn i {
    font-size: 14px;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.03);
    }

    100% {
        transform: scale(1);
    }
}

.token-update {
    animation: pulse 0.5s;
}

.el-progress--circle .el-progress__text {
    font-size: 32px !important;
    font-weight: 700;
    color: var(--secondary-color);
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(44, 111, 187, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

.loading-text {
    font-size: 14px;
    color: var(--text-light);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.app-status {
    padding: 10px;
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
}

.error-message {
    color: var(--danger-color);
    font-size: 14px;
    margin-top: 5px;
    text-align: center;
}

@media (max-width: 900px) {
    main {
        flex-direction: column;
    }

    .config-panel {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .token-display {
        font-size: 36px;
        min-width: 220px;
        padding: 12px 25px;
    }

    .account-issuer {
        flex-direction: column;
        gap: 10px;
    }

    .qrcode-container {
        padding: 10px;
    }

    .qrcode {
        width: 140px;
        height: 140px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    .app-container {
        border-radius: 8px;
    }

    header {
        padding: 15px;
        flex-direction: column;
        text-align: center;
    }

    .logo-icon {
        margin: 0 auto 10px;
    }

    .token-display {
        font-size: 32px;
        min-width: 200px;
        padding: 10px 20px;
    }

    .countdown-container {
        transform: scale(0.9);
    }

    .uri-container {
        width: 95%;
    }

    .control-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .description {
        text-align: left;
        max-width: 100%;
    }

    .config-panel {
        padding: 15px;
    }

    .code-panel {
        padding: 10px 20px 0;
    }

    .account-issuer > .control-group {
        margin-bottom: 10px;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 10px;
    }

    .secret-actions {
        flex-direction: column;
    }

    .uri-actions {
        flex-direction: column;
    }
}