:root {
    --primary-color: #4a6fa5;
    --secondary-color: #6b8cbc;
    --accent-color: #ff6b6b;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --success-color: #28a745;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    color: var(--dark-color);
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 25px;
    text-align: center;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    box-shadow: var(--box-shadow);
}

header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

header p {
    opacity: 0.9;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* 搜索框样式 */
.search-container {
    background-color: white;
    padding: 20px;
    border-bottom: 1px solid #e1e5eb;
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-box {
    flex: 1;
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
}

.search-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.clear-btn {
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 10px 15px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.clear-btn:hover {
    background-color: #5a6268;
}

/* 搜索统计信息 */
.search-info {
    margin-top: 10px;
    font-size: 0.9rem;
    color: #6c757d;
}

/* 高亮样式 */
.highlight {
    background-color: #ffeb3b;
    color: #d32f2f;
    font-weight: bold;
    padding: 2px 4px;
    border-radius: 3px;
}

.notebook-container {
    background-color: white;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
}

.item-card {
    border: 1px solid #e1e5eb;
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.item-card:nth-child(even) {
    background-color: #f8f9fa;
}

.item-card:nth-child(odd) {
    background-color: #ffffff;
}

.item-card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

.item-name {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e1e5eb;
}

.item-field {
    display: flex;
    margin-bottom: 12px;
}

.field-label {
    font-weight: 600;
    min-width: 100px;
    color: var(--dark-color);
}

.field-encrypt {
    flex: 1;
    word-break: break-all;
}

.field-value {
    flex: 1;
    word-break: break-all;
}

.field-value a {
    color: var(--primary-color);
    text-decoration: none;
}

.field-value a:hover {
    text-decoration: underline;
}

.decrypt-section {
    margin-top: 15px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
}

.decrypt-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 8px 15px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

.decrypt-result {
    margin-top: 15px;
    display: none;
}

.decrypt-result.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

.password-plaintext {
    font-weight: 600;
    color: var(--success-color);
    margin-bottom: 10px;
    word-break: break-all;
}

.copy-btn {
    background-color: var(--success-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 6px 12px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.copy-btn:hover {
    background-color: #218838;
}

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

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 90%;
    max-width: 500px;
}

.modal-header {
    margin-bottom: 20px;
}

.modal-title {
    font-size: 1.3rem;
    color: var(--primary-color);
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.input-group input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    background-color: var(--success-color);
    color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transform: translateX(150%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.notification.show {
    transform: translateX(0);
}

/* 分页导航样式 */
.pagination {
    display: flex;
    justify-content: center;
    margin: 30px 0;
    gap: 8px;
}

.pagination a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--dark-color);
    background-color: white;
    border: 1px solid #e1e5eb;
    transition: var(--transition);
    font-weight: 500;
}

.pagination a:hover {
    background-color: var(--light-color);
    border-color: var(--primary-color);
}

.pagination a.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination a.disabled {
    color: #adb5bd;
    pointer-events: none;
    background-color: #f8f9fa;
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    box-shadow: var(--box-shadow);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

footer {
    text-align: center;
    padding: 20px;
    color: #6c757d;
    font-size: 0.9rem;
    margin-top: 30px;
}

/* a链接消除下划线 */
.no-underline {
    color: #6c757d;
    text-decoration: none;
}
/* 只在鼠标悬停时显示下划线 */
.no-underline:hover {
    color: var(--dark-color);
    text-decoration: underline;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .item-field {
        flex-direction: column;
    }

    .field-label {
        margin-bottom: 5px;
    }

    .modal-content {
        width: 95%;
        padding: 20px;
    }

    .pagination {
        gap: 5px;
    }

    .pagination a {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }

    .search-container {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        flex-direction: column;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
}