/* 2FA 验证码生成器 - 样式表 */

:root {
    --primary-color: #52c41a;
    --primary-hover: #73d13d;
    --primary-light: #f6ffed;
    --danger-color: #ff4d4f;
    --danger-hover: #ff7875;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #e8e8e8;
    --bg-color: #f5f5f5;
    --card-bg: #fff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 14px;
}

/* 卡片 */
.card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.info-card {
    background: var(--primary-light);
    border-color: var(--primary-color);
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
}

.info-card p {
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.info-card strong {
    color: var(--text-color);
}

/* 输入框 */
.secret-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    outline: none;
    transition: border-color 0.3s;
    margin-bottom: 16px;
}

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

.secret-input::placeholder {
    color: #bbb;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

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

.btn-success {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-success:hover {
    background-color: var(--primary-hover);
}

.btn-danger {
    background-color: var(--danger-color);
    color: #fff;
}

.btn-danger:hover {
    background-color: var(--danger-hover);
}

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

.btn-outline:hover {
    background-color: var(--primary-light);
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.button-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.impl-tag {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 结果区域 */
.result-section {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

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

.value {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    word-break: break-all;
}

.code {
    font-family: 'Courier New', monospace;
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    padding: 4px 12px;
    background: var(--primary-light);
    border-radius: 4px;
    transition: background 0.3s;
}

.code:hover {
    background: #d9f7be;
}

.copy-tip {
    font-size: 12px;
    color: var(--primary-color);
    opacity: 0;
    transition: opacity 0.3s;
}

.copy-tip.show {
    opacity: 1;
}

.time-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.time {
    font-weight: bold;
    font-size: 16px;
    min-width: 24px;
}

.time.warning {
    color: var(--danger-color);
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 12px;
    max-width: 200px;
}

.progress {
    height: 100%;
    background: var(--primary-color);
    transition: width 1s linear;
    border-radius: 3px;
}

.progress.warning {
    background: var(--danger-color);
}

/* 存储区域 */
.storage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.storage-header h3 {
    font-size: 16px;
    font-weight: 500;
}

.saved-secrets {
    margin-bottom: 12px;
}

.empty-tip {
    color: var(--text-secondary);
    font-size: 14px;
    text-align: center;
    padding: 20px;
}

.saved-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--bg-color);
    border-radius: 6px;
    margin-bottom: 8px;
}

.saved-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.saved-name {
    font-weight: 500;
    font-size: 14px;
}

.saved-secret {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

.saved-actions {
    display: flex;
    gap: 8px;
}

.storage-note {
    font-size: 12px;
    color: var(--text-secondary);
    background: #fffbe6;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #ffe58f;
    margin-bottom: 12px;
}

.storage-actions {
    text-align: right;
}

/* 演示密钥 */
.demo-secret {
    font-family: 'Courier New', monospace;
    background: var(--primary-light);
    padding: 2px 8px;
    border-radius: 4px;
    cursor: pointer;
    color: var(--primary-color);
}

.demo-secret:hover {
    background: #d9f7be;
}

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-close:hover {
    color: var(--text-color);
}

.modal-content h3 {
    margin-bottom: 20px;
}

.qrcode-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.qrcode-wrapper img {
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.qrcode-tip {
    color: var(--text-secondary);
    font-size: 12px;
    margin-top: 12px;
}

.uri-text {
    font-size: 11px;
    color: var(--text-secondary);
    word-break: break-all;
}

/* Toast 提示 */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    opacity: 0;
    transition: all 0.3s;
    z-index: 1001;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 响应式 */
@media (max-width: 600px) {
    .container {
        padding: 16px;
    }

    h1 {
        font-size: 24px;
    }

    .time-row {
        flex-wrap: wrap;
    }

    .progress-bar {
        order: 1;
        width: 100%;
        max-width: none;
        margin: 8px 0;
    }

    .time-row .btn {
        order: 2;
        margin-left: auto;
    }

    .saved-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .saved-actions {
        width: 100%;
        justify-content: flex-end;
    }
}