/* ============================================================
   论文排版系统 - 全局样式
   ============================================================ */

/* ---------- CSS 变量：色彩方案 ---------- */
:root {
  --primary-color: #2B6CB0;
  --primary-hover: #2C5282;
  --success: #38A169;
  --warning: #D69E2E;
  --error: #E53E3E;

  --text-primary: #1A202C;
  --text-regular: #4A5568;
  --text-secondary: #718096;

  --border-color: #E2E8F0;
  --bg-page: #F7FAFC;
  --bg-card: #FFFFFF;

  --radius: 8px;
  --header-height: 64px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-header: 0 1px 4px rgba(0, 0, 0, 0.08);
  --shadow-modal: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ---------- 基础重置 ---------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

/* ---------- Header 吸顶 ---------- */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--bg-card);
  box-shadow: var(--shadow-header);
  z-index: 100;
  display: flex;
  align-items: center;
}

.app-header .header-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-header .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.app-header .logo .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
}

.app-header .header-user {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-regular);
  font-size: 14px;
}

.app-header .header-user .user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
}

/* ---------- 主内容区 ---------- */
.app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--header-height) + 24px) 24px 48px;
}

.page-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.page-desc {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ---------- 卡片 ---------- */
.card {
  background-color: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 24px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  background-color: transparent;
  white-space: nowrap;
  line-height: 1;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-default {
  background-color: var(--bg-card);
  color: var(--text-regular);
  border-color: var(--border-color);
}

.btn-default:hover:not(:disabled) {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.btn-danger:hover:not(:disabled) {
  opacity: 0.9;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-sm {
  height: 30px;
  padding: 0 14px;
  font-size: 13px;
}

.btn-lg {
  height: 44px;
  padding: 0 28px;
  font-size: 15px;
}

/* ---------- 表单 ---------- */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-regular);
  font-weight: 500;
}

.form-label .required {
  color: var(--error);
  margin-left: 2px;
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
textarea,
select {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-primary);
  background-color: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
}

textarea {
  height: auto;
  min-height: 96px;
  padding: 10px 12px;
  line-height: 1.6;
  resize: vertical;
}

select {
  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='%23718096' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group {
  flex: 1;
}

/* ---------- 弹窗 ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal {
  background-color: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 420px;
  overflow: hidden;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ---------- 进度条 ---------- */
.progress-bar {
  width: 100%;
  height: 12px;
  background-color: var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.progress-bar .progress-inner {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), #4299e1);
  border-radius: 6px;
  transition: width 0.3s ease;
  width: 0;
}

.progress-bar .progress-inner.success {
  background: linear-gradient(90deg, var(--success), #48bb78);
}

.progress-bar .progress-inner.error {
  background: linear-gradient(90deg, var(--error), #fc8181);
}

.progress-text {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---------- 步骤条 ---------- */
.steps {
  display: flex;
  align-items: center;
  margin-bottom: 32px;
}

.steps .step {
  display: flex;
  align-items: center;
  flex: 1;
  position: relative;
}

.steps .step .step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
  z-index: 1;
  transition: all 0.3s;
}

.steps .step .step-label {
  margin-left: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.steps .step .step-line {
  flex: 1;
  height: 2px;
  background-color: var(--border-color);
  margin: 0 12px;
  transition: background-color 0.3s;
}

.steps .step:last-child {
  flex: 0;
}

.steps .step:last-child .step-line {
  display: none;
}

.steps .step.active .step-circle {
  background-color: var(--primary-color);
  color: #fff;
}

.steps .step.active .step-label {
  color: var(--primary-color);
  font-weight: 500;
}

.steps .step.done .step-circle {
  background-color: var(--success);
  color: #fff;
}

.steps .step.done .step-label {
  color: var(--text-primary);
}

.steps .step.done .step-line {
  background-color: var(--success);
}

/* ---------- 文件拖拽上传区域 ---------- */
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background-color: var(--bg-card);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--primary-color);
  background-color: rgba(43, 108, 176, 0.04);
}

.upload-area .upload-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background-color: rgba(43, 108, 176, 0.1);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.upload-area .upload-title {
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-weight: 500;
}

.upload-area .upload-hint {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---------- 文件信息 ---------- */
.file-info {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background-color: var(--bg-page);
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.file-info .file-icon {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background-color: var(--primary-color);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.file-info .file-meta {
  flex: 1;
  min-width: 0;
}

.file-info .file-name {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-info .file-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ---------- 信息行 ---------- */
.info-row {
  display: flex;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}

.info-row:last-child {
  border-bottom: none;
}

.info-row .info-label {
  width: 100px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.info-row .info-value {
  color: var(--text-primary);
  flex: 1;
  word-break: break-all;
}

/* ---------- 日志面板 ---------- */
.log-panel {
  background-color: #1a202c;
  border-radius: 6px;
  padding: 16px;
  max-height: 360px;
  overflow-y: auto;
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: 13px;
  line-height: 1.7;
}

.log-panel .log-line {
  color: #cbd5e0;
  word-break: break-all;
}

.log-panel .log-line.log-info {
  color: #63b3ed;
}

.log-panel .log-line.log-success {
  color: #68d391;
}

.log-panel .log-line.log-warn {
  color: #f6ad55;
}

.log-panel .log-line.log-error {
  color: #fc8181;
}

.log-panel .log-time {
  color: #718096;
  margin-right: 8px;
}

/* ---------- 评分 ---------- */
.score-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background-color: var(--bg-page);
  border-radius: 6px;
}

.score-box .score-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--success);
  line-height: 1;
}

.score-box .score-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---------- 操作栏 ---------- */
.action-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-state .empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ---------- Toast 通知 ---------- */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 16px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  min-width: 240px;
  max-width: 480px;
  padding: 12px 18px;
  border-radius: 6px;
  background-color: var(--bg-card);
  box-shadow: var(--shadow-modal);
  font-size: 14px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.25s ease;
  pointer-events: auto;
  border-left: 4px solid var(--text-secondary);
}

.toast.toast-success {
  border-left-color: var(--success);
  color: var(--success);
}

.toast.toast-warning {
  border-left-color: var(--warning);
  color: var(--warning);
}

.toast.toast-error {
  border-left-color: var(--error);
  color: var(--error);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 布局：两栏 ---------- */
.layout-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ---------- 部分卡片 ---------- */
.part-card {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 14px;
  background-color: var(--bg-card);
}

.part-card .part-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.part-card .part-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.part-card .part-tag {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  background-color: var(--border-color);
  color: var(--text-secondary);
}

.part-card .part-tag.required {
  background-color: rgba(229, 62, 62, 0.1);
  color: var(--error);
}

/* ---------- 页边距输入组 ---------- */
.margin-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.margin-grid .form-group {
  margin-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .app-header .header-inner {
    padding: 0 16px;
  }

  .app-main {
    padding: calc(var(--header-height) + 16px) 16px 32px;
  }

  /* 隐藏侧边栏：两栏改为单栏 */
  .layout-cols {
    grid-template-columns: 1fr;
  }

  .margin-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    flex-direction: column;
  }

  /* 步骤条在小屏下隐藏文字，仅保留圆圈 */
  .steps .step .step-label {
    display: none;
  }

  .steps .step .step-line {
    margin: 0 8px;
  }

  .card {
    padding: 16px;
  }

  .action-bar {
    flex-direction: column;
  }

  .action-bar .btn {
    width: 100%;
  }
}