/* SPSSzero 我的数据页面 - 独立样式 */
:root {
  --md-primary: #2461ff;
  --md-primary-dark: #1a4ed8;
  --md-primary-light: #eef3ff;
  --md-text: #1a2332;
  --md-text-muted: #6b7280;
  --md-bg: #f7f9fc;
  --md-card: #ffffff;
  --md-border: #e5e9f0;
  --md-success: #10b981;
  --md-warn: #f59e0b;
  --md-danger: #ef4444;
  --md-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
[hidden] { display: none !important; }

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

/* ========== 顶部条 ========== */
.md-header {
  background: var(--md-card);
  border-bottom: 1px solid var(--md-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.md-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.md-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--md-text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all .15s;
}
.md-back:hover { color: var(--md-primary); background: var(--md-primary-light); }
.md-logo {
  text-decoration: none;
  color: var(--md-text);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.md-logo strong {
  font-size: 18px;
  font-weight: 700;
  color: var(--md-primary);
}
.md-logo span { font-size: 12px; color: var(--md-text-muted); }
.md-enter {
  background: var(--md-primary);
  color: #fff;
  text-decoration: none;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: all .15s;
}
.md-enter:hover { background: var(--md-primary-dark); transform: translateY(-1px); }

/* ========== 主体 ========== */
.md-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 32px 64px;
}

/* ========== 顶部信息条 ========== */
.md-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--md-card);
  border: 1px solid var(--md-border);
  border-radius: 14px;
  padding: 20px 28px;
  margin-bottom: 16px;
  box-shadow: var(--md-shadow);
  flex-wrap: wrap;
  gap: 16px;
}
.md-topbar-left {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.md-topbar-left h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--md-text);
}
.md-topbar-tip {
  font-size: 12.5px;
  color: var(--md-warn);
  background: #fffbeb;
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid #fde68a;
}
.md-topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.md-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--md-text-muted);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all .15s;
}
.md-link:hover { color: var(--md-primary); background: var(--md-primary-light); }
.md-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--md-primary);
  color: #fff !important;
  text-decoration: none;
  border: none;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.md-btn-primary:hover {
  background: var(--md-primary-dark);
  box-shadow: 0 4px 12px rgba(36, 97, 255, .25);
  transform: translateY(-1px);
}

/* ========== 数据看板 ========== */
.md-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.md-stat-card {
  background: var(--md-card);
  border: 1px solid var(--md-border);
  border-radius: 12px;
  padding: 18px 22px;
  box-shadow: var(--md-shadow);
  transition: all .15s;
}
.md-stat-card:hover {
  border-color: var(--md-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(36, 97, 255, .08);
}
.md-stat-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--md-primary);
  line-height: 1.2;
  margin-bottom: 4px;
}
.md-stat-label {
  font-size: 12.5px;
  color: var(--md-text-muted);
}

/* ========== 表格区 ========== */
.md-table-wrap {
  background: var(--md-card);
  border: 1px solid var(--md-border);
  border-radius: 14px;
  box-shadow: var(--md-shadow);
  overflow: hidden;
}
.md-table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--md-border);
  flex-wrap: wrap;
  gap: 12px;
}
.md-table-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--md-text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.md-count {
  background: var(--md-primary-light);
  color: var(--md-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 10px;
}
.md-tools {
  display: flex;
  gap: 10px;
  align-items: center;
}
.md-search {
  position: relative;
  display: flex;
  align-items: center;
}
.md-search svg {
  position: absolute;
  left: 12px;
  color: var(--md-text-muted);
  pointer-events: none;
}
.md-search input {
  background: #f8fafc;
  border: 1px solid var(--md-border);
  border-radius: 8px;
  padding: 8px 32px 8px 34px;
  font-size: 13px;
  width: 220px;
  transition: all .15s;
  outline: none;
}
.md-search input:focus {
  border-color: var(--md-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(36, 97, 255, .08);
}
.md-search-clear {
  position: absolute;
  right: 6px;
  background: none;
  border: none;
  color: var(--md-text-muted);
  font-size: 18px;
  cursor: pointer;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.md-search-clear:hover { background: #e5e9f0; color: var(--md-text); }

#sortSelect {
  background: #f8fafc;
  border: 1px solid var(--md-border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  outline: none;
  color: var(--md-text);
}
#sortSelect:hover { border-color: var(--md-primary); }

/* ========== 表格 ========== */
.md-table-content { min-height: 300px; position: relative; }
.md-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.md-table thead {
  background: #fafbfd;
}
.md-table th {
  text-align: left;
  padding: 12px 24px;
  font-weight: 600;
  color: var(--md-text-muted);
  font-size: 12.5px;
  border-bottom: 1px solid var(--md-border);
  white-space: nowrap;
}
.md-table td {
  padding: 14px 24px;
  border-bottom: 1px solid #f0f2f5;
  color: #374151;
  vertical-align: middle;
}
.md-table tbody tr {
  transition: background .15s;
}
.md-table tbody tr:hover {
  background: #fafbfd;
}
.col-name { min-width: 240px; }
.col-meta { width: 120px; }
.col-size { width: 100px; }
.col-time { width: 160px; }
.col-actions { width: 280px; text-align: right; }

.md-file-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--md-text);
}
.md-file-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.md-file-icon.xlsx, .md-file-icon.xls { background: #10b981; }
.md-file-icon.csv  { background: #3b82f6; }
.md-file-icon.sav  { background: #8b5cf6; }
.md-file-icon.dta  { background: #f59e0b; }
.md-file-icon.other { background: #6b7280; }
.md-file-name-text {
  word-break: break-all;
  line-height: 1.4;
}

.md-file-meta {
  font-size: 12.5px;
  color: var(--md-text-muted);
}

/* 操作按钮 */
.md-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  flex-wrap: nowrap;
}
.md-action-btn {
  background: #f3f4f6;
  border: 1px solid transparent;
  color: #374151;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all .15s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.md-action-btn:hover {
  background: #e5e9f0;
  color: var(--md-text);
}
.md-action-btn.primary {
  background: var(--md-primary);
  color: #fff;
}
.md-action-btn.primary:hover {
  background: var(--md-primary-dark);
}
.md-action-btn.danger:hover {
  background: #fee2e2;
  color: var(--md-danger);
}

/* 空状态 */
.md-empty {
  text-align: center;
  padding: 64px 32px;
}
.md-empty svg {
  margin-bottom: 16px;
  opacity: 0.3;
}
.md-empty h3 {
  margin: 8px 0;
  font-size: 16px;
  color: var(--md-text);
  font-weight: 600;
}
.md-empty p {
  margin: 0 0 20px 0;
  color: var(--md-text-muted);
  font-size: 13px;
}
.md-icon-muted { color: var(--md-text-muted); }

/* Loading */
.md-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 80px 32px;
  color: var(--md-text-muted);
  font-size: 13px;
}
.md-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid #e5e9f0;
  border-top-color: var(--md-primary);
  border-radius: 50%;
  animation: md-spin 0.8s linear infinite;
}
@keyframes md-spin { to { transform: rotate(360deg); } }

/* ========== 未登录提示 ========== */
.md-not-login {
  display: flex;
  justify-content: center;
  padding: 60px 0;
}
.md-not-login-card {
  background: var(--md-card);
  border: 1px solid var(--md-border);
  border-radius: 14px;
  padding: 48px 64px;
  text-align: center;
  box-shadow: var(--md-shadow);
}
.md-not-login-card h3 {
  margin: 16px 0 8px;
  font-size: 18px;
}
.md-not-login-card p {
  margin: 0 0 24px;
  color: var(--md-text-muted);
}

/* ========== 弹窗 ========== */
.md-modal {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.md-modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  backdrop-filter: blur(2px);
}
.md-modal-card {
  position: relative;
  background: var(--md-card);
  border-radius: 14px;
  width: 90%;
  max-width: 720px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .2);
}
.md-modal-sm { max-width: 460px; }
.md-modal-head {
  padding: 18px 24px;
  border-bottom: 1px solid var(--md-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.md-modal-head h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}
.md-modal-close {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--md-text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
}
.md-modal-close:hover { background: #f3f4f6; color: var(--md-text); }
.md-modal-body {
  padding: 24px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.7;
  color: #374151;
}
.md-modal-foot {
  padding: 14px 24px;
  border-top: 1px solid var(--md-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.md-modal-body h4 {
  margin: 18px 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--md-primary);
}
.md-modal-body h4:first-child { margin-top: 0; }
.md-modal-body ul { padding-left: 20px; margin: 8px 0; }
.md-modal-body li { padding: 3px 0; }

.md-label {
  display: block;
  font-size: 12.5px;
  color: var(--md-text-muted);
  margin-bottom: 8px;
}
.md-input {
  width: 100%;
  background: #f8fafc;
  border: 1px solid var(--md-border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--md-text);
  outline: none;
  transition: all .15s;
}
.md-input:focus {
  border-color: var(--md-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(36, 97, 255, .08);
}
.md-warn-text {
  margin: 0 0 8px;
  font-size: 14.5px;
  color: var(--md-text);
}
.md-muted-text {
  margin: 0;
  font-size: 13px;
  color: var(--md-text-muted);
}
.md-btn-secondary {
  background: #f3f4f6;
  border: none;
  color: #374151;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.md-btn-secondary:hover { background: #e5e9f0; }
.md-btn-danger {
  background: var(--md-danger);
  border: none;
  color: #fff;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.md-btn-danger:hover { background: #dc2626; box-shadow: 0 4px 12px rgba(239, 68, 68, .25); }

/* ========== Toast ========== */
.md-toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: rgba(26, 35, 50, 0.95);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transition: all .3s;
  pointer-events: none;
  z-index: 1000;
  max-width: 90%;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
}
.md-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.md-toast.success { background: var(--md-success); }
.md-toast.error { background: var(--md-danger); }
.md-toast.warn { background: var(--md-warn); }

/* ========== 响应式 ========== */
@media (max-width: 900px) {
  .md-main { padding: 16px; }
  .md-topbar { padding: 16px; }
  .md-stats { grid-template-columns: repeat(2, 1fr); }
  .md-table th, .md-table td { padding: 10px 12px; }
  .col-time, .col-meta { display: none; }
  .col-name { min-width: auto; }
  .col-actions { width: auto; }
  .md-action-btn { padding: 4px 8px; }
  .md-table-head { padding: 14px 16px; flex-direction: column; align-items: stretch; }
  .md-tools { width: 100%; }
  .md-search input { width: 100%; }
  .md-header-inner { padding: 12px 16px; gap: 12px; }
  .md-logo span { display: none; }
}