/* ========================================
   小红书笔记生成器 - 主样式表
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #ff4757;
    --primary-hover: #ff3344;
    --secondary-color: #2ed573;
    --warning-color: #ffa502;
    --danger-color: #ff6b6b;
    --dark-color: #2f3542;
    --gray-color: #747d8c;
    --light-gray: #a4b0be;
    --border-color: #dfe4ea;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--bg-color);
    min-height: 100vh;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-color);
}

.brand-icon {
    font-size: 24px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: var(--gray-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(255, 71, 87, 0.05);
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(255, 71, 87, 0.1);
    font-weight: 500;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid var(--border-color);
}

.user-name {
    color: var(--dark-color);
    font-weight: 500;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark-color);
    transition: var(--transition);
}

/* ========================================
   按钮
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 71, 87, 0.3);
}

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

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

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

.btn-danger:hover {
    background: #ff5252;
}

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

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

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

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

/* ========================================
   卡片
   ======================================== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-color);
}

.card-body {
    padding: 20px;
}

/* ========================================
   表单
   ======================================== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.1);
}

.form-control::placeholder {
    color: var(--light-gray);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23747d8c' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.form-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--gray-color);
}

.form-hint a {
    color: var(--primary-color);
}

/* ========================================
   认证页面
   ======================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff4757 0%, #ff6b81 100%);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo {
    font-size: 48px;
    margin-bottom: 16px;
}

.auth-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.auth-subtitle {
    color: var(--gray-color);
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form .btn {
    margin-top: 8px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    color: var(--gray-color);
}

.captcha-group .captcha-row {
    display: flex;
    gap: 12px;
}

.captcha-group .form-control {
    flex: 1;
}

.captcha-img {
    height: 42px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

/* ========================================
   主内容区
   ======================================== */
.main-content {
    padding: 24px 0;
    min-height: calc(100vh - 60px - 60px);
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-title {
    font-size: 24px;
    font-weight: 600;
}

/* ========================================
   生成器布局
   ======================================== */
.generator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.input-section,
.result-section {
    min-width: 0;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-color);
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-text {
    font-size: 16px;
    margin-bottom: 8px;
}

.empty-hint {
    font-size: 14px;
    color: var(--light-gray);
}

/* 结果内容 */
.result-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.result-item {
    padding: 16px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
}

.result-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--gray-color);
}

.result-value {
    color: var(--dark-color);
    line-height: 1.8;
}

.result-content-text {
    white-space: pre-wrap;
}

.result-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.btn-copy {
    padding: 4px 10px;
    font-size: 12px;
    color: var(--primary-color);
    background: rgba(255, 71, 87, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.btn-copy:hover {
    background: rgba(255, 71, 87, 0.2);
}

/* ========================================
   标签
   ======================================== */
.tag {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    color: var(--primary-color);
    background: rgba(255, 71, 87, 0.1);
    border-radius: 20px;
}

.tag-more {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    color: var(--gray-color);
    background: var(--bg-color);
    border-radius: 20px;
}

/* ========================================
   标签页切换
   ======================================== */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.tab {
    padding: 8px 16px;
    font-size: 14px;
    color: var(--gray-color);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.tab:hover {
    color: var(--primary-color);
    background: rgba(255, 71, 87, 0.05);
}

.tab.active {
    color: var(--primary-color);
    background: rgba(255, 71, 87, 0.1);
    font-weight: 500;
}

/* ========================================
   模板列表
   ======================================== */
.template-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.template-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.template-card:hover {
    box-shadow: var(--shadow-md);
}

.template-card.system {
    border-left: 3px solid var(--primary-color);
}

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

.template-name {
    font-size: 16px;
    font-weight: 600;
}

.template-badges {
    display: flex;
    gap: 6px;
}

.badge {
    padding: 2px 8px;
    font-size: 11px;
    border-radius: 10px;
}

.badge-system {
    background: rgba(255, 71, 87, 0.1);
    color: var(--primary-color);
}

.badge-default {
    background: rgba(46, 213, 115, 0.1);
    color: var(--secondary-color);
}

.template-desc {
    color: var(--gray-color);
    font-size: 13px;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* ========================================
   历史列表
   ======================================== */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.history-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

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

.history-title {
    font-size: 16px;
    font-weight: 600;
}

.history-date {
    font-size: 12px;
    color: var(--light-gray);
}

.history-content {
    color: var(--gray-color);
    font-size: 14px;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.history-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.history-meta {
    margin-bottom: 12px;
}

.history-template {
    font-size: 12px;
    color: var(--gray-color);
    background: var(--bg-color);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

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

/* ========================================
   分页
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.page-btn {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    font-size: 14px;
    color: var(--gray-color);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

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

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

.page-ellipsis {
    display: flex;
    align-items: center;
    color: var(--gray-color);
}

/* ========================================
   配置中心
   ======================================== */
.settings-container {
    max-width: 600px;
}

.settings-container .card {
    margin-bottom: 24px;
}

.settings-actions {
    margin-top: 24px;
}

/* ========================================
   弹窗
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition);
}

.modal.show {
    visibility: visible;
    opacity: 1;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(20px);
    transition: var(--transition);
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-lg {
    max-width: 700px;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--gray-color);
    background: none;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-color);
    color: var(--dark-color);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 详情内容 */
.detail-section {
    margin-bottom: 20px;
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-label {
    font-size: 12px;
    color: var(--gray-color);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    color: var(--dark-color);
    line-height: 1.8;
}

.detail-content {
    white-space: pre-wrap;
    background: var(--bg-color);
    padding: 16px;
    border-radius: var(--radius-sm);
}

.detail-input {
    background: var(--bg-color);
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--gray-color);
}

.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.prompt-preview {
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 13px;
    line-height: 1.8;
    background: var(--bg-color);
    padding: 16px;
    border-radius: var(--radius-sm);
    max-height: 400px;
    overflow-y: auto;
}

/* ========================================
   Toast提示
   ======================================== */
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    padding: 12px 24px;
    background: var(--dark-color);
    color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.toast.success {
    background: var(--secondary-color);
}

.toast.error {
    background: var(--danger-color);
}

/* ========================================
   加载状态
   ======================================== */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--gray-color);
}

.error-state {
    text-align: center;
    padding: 40px;
    color: var(--danger-color);
}

/* ========================================
   底部
   ======================================== */
.footer {
    padding: 20px 0;
    text-align: center;
    color: var(--gray-color);
    font-size: 13px;
    border-top: 1px solid var(--border-color);
    background: var(--white);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 16px;
        gap: 8px;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .navbar-menu.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        width: 100%;
        text-align: center;
    }

    .nav-user {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding-top: 16px;
        border-top: 1px solid var(--border-color);
        width: 100%;
        justify-content: center;
    }

    .generator-layout {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .tabs {
        flex-wrap: wrap;
    }

    .template-list {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .auth-card {
        padding: 24px;
    }

    .modal-content {
        width: 95%;
        max-height: 85vh;
    }

    .history-header {
        flex-direction: column;
        gap: 8px;
    }

    .history-actions {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .page-title {
        font-size: 20px;
    }

    .card-body {
        padding: 16px;
    }

    .btn-lg {
        padding: 12px 20px;
        font-size: 15px;
    }

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

    .template-actions .btn {
        width: 100%;
    }
}