/* ═══ 江苏省淮安中学表白墙样式 ═══ */
:root {
  --primary: #1a7a4c;
  --primary-light: #2da86b;
  --primary-dark: #145c3a;
  --accent: #c8a23c;
  --bg-top: #f0f7f3;
  --bg-bottom: #e3efe8;
  --card-bg: #ffffff;
  --text: #333;
  --text-light: #888;
  --border: #eee;
  --success: #27ae60;
  --error: #e74c3c;
  --warning: #f39c12;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
}

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

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
  background: linear-gradient(135deg, var(--bg-top), var(--bg-bottom));
  min-height: 100vh;
  color: var(--text);
}

/* ═══ 投稿页 ═══ */
.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.submit-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  width: 100%;
  max-width: 560px;
}

.card-header {
  margin-bottom: 30px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.school-logo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  box-shadow: 0 2px 8px rgba(26,122,76,0.2);
  flex-shrink: 0;
}

.brand-text {
  flex: 1;
}

.brand-text h1 {
  font-size: 22px;
  color: var(--primary-dark);
  margin-bottom: 2px;
  font-weight: 700;
}

.brand-text .subtitle {
  font-size: 13px;
  color: var(--text-light);
}

.header-divider {
  margin-top: 18px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  border-radius: 2px;
  opacity: 0.7;
}

.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.form-group textarea,
.form-group input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  resize: vertical;
  transition: border-color 0.2s;
}
.form-group textarea:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--primary-light);
}
.char-count {
  text-align: right;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.upload-area {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.upload-area:hover,
.upload-area.drag-over {
  border-color: var(--primary-light);
  background: var(--bg-top);
}
.upload-placeholder span {
  color: var(--text-light);
  font-size: 14px;
}

.preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}
.preview-item {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
}
.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.preview-item .remove {
  position: absolute;
  top: 2px;
  right: 2px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  font-family: inherit;
}
.btn-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,122,76,0.3);
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.result-msg {
  display: none;
  margin-top: 20px;
  padding: 14px;
  border-radius: 8px;
  font-size: 14px;
  white-space: pre-line;
}
.result-msg.success { background: #e8f8f0; color: var(--success); border: 1px solid #d4edda; }
.result-msg.error { background: #fde8e8; color: var(--error); border: 1px solid #f5c6cb; }
.result-msg.ad { background: #fff4e6; color: var(--warning); border: 1px solid #ffeaa7; }

.footer-links {
  margin-top: 20px;
}
.footer-links a {
  color: var(--text-light);
  font-size: 13px;
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--primary);
}

/* ═══ 管理后台 ═══ */
.admin-wrap {
  min-height: 100vh;
  padding: 20px;
}

.admin-header {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 30px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-brand .school-logo {
  width: 44px;
  height: 44px;
}

.admin-brand-text h1 {
  font-size: 18px;
  color: var(--primary-dark);
  font-weight: 700;
}

.admin-subtitle {
  font-size: 12px;
  color: var(--text-light);
}

.admin-header .btn-logout {
  padding: 6px 16px;
  background: var(--border);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}

.admin-container {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

/* 登录卡片 */
.login-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  max-width: 400px;
  margin: 80px auto;
  text-align: center;
}
.login-brand {
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}
.login-brand .school-logo {
  width: 64px;
  height: 64px;
}
.login-card h2 {
  margin-bottom: 20px;
  color: var(--primary-dark);
}
.login-card input {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  margin-bottom: 16px;
  font-family: inherit;
}
.login-card input:focus {
  outline: none;
  border-color: var(--primary-light);
}
.login-card button {
  width: 100%;
  padding: 12px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
  font-family: inherit;
}

/* 状态栏 */
.status-bar {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 30px;
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}
.status-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.status-item .label {
  font-size: 12px;
  color: var(--text-light);
}
.status-item .value {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
}
.status-item .value.green { color: var(--success); }
.status-item .value.red { color: var(--error); }

/* 通用卡片 */
.section-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.section-card h3 {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* QQ空间登录 */
.qr-area {
  text-align: center;
  padding: 20px;
}
.qr-area img {
  max-width: 220px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.qr-area .qr-tip {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-light);
}
.qr-area .qr-tip.scanned { color: var(--warning); }
.qr-area .qr-tip.success { color: var(--success); }

.btn-qzone-login {
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}
.btn-qzone-login:hover { background: var(--primary-dark); }

/* 投稿列表 */
.submission-list {
  display: grid;
  gap: 16px;
}
.submission-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  gap: 16px;
}
.submission-card .sub-content {
  flex: 1;
}
.submission-card .sub-meta {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 8px;
}
.submission-card .sub-text {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 10px;
  white-space: pre-wrap;
  word-break: break-word;
}
.submission-card .sub-images {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.submission-card .sub-images img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
}
.submission-card .sub-actions {
  display: flex;
  gap: 10px;
}
.btn-approve {
  padding: 6px 18px;
  background: var(--success);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
.btn-approve:hover { opacity: 0.85; }
.btn-reject {
  padding: 6px 18px;
  background: var(--border);
  color: var(--text);
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
.btn-reject:hover { background: #ddd; }

.btn-publish {
  padding: 12px 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-publish:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(26,122,76,0.3);
}
.btn-publish:disabled { opacity: 0.5; cursor: not-allowed; }

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
  font-size: 14px;
}

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 14px 20px;
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  z-index: 9999;
  animation: slideIn 0.3s ease;
  max-width: 400px;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--error); }
.toast.warning { background: var(--warning); }
@keyframes slideIn {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 700px) {
  .submit-card { padding: 24px; }
  .header-brand { gap: 12px; }
  .school-logo { width: 48px; height: 48px; }
  .brand-text h1 { font-size: 19px; }
  .admin-header { flex-direction: column; gap: 10px; }
  .admin-brand { flex-direction: column; gap: 8px; text-align: center; }
  .status-bar { gap: 20px; }
  .submission-card { flex-direction: column; }
}

/* ═══ 移动端深度优化 ═══ */
@media (max-width: 480px) {
  .page-wrap { padding: 10px; }
  .submit-card { padding: 16px; border-radius: 10px; }
  .card-header { margin-bottom: 20px; }
  .header-brand { gap: 10px; }
  .school-logo { width: 42px; height: 42px; }
  .brand-text h1 { font-size: 17px; }
  .brand-text .subtitle { font-size: 12px; }
  .form-group { margin-bottom: 16px; }
  .form-group label { font-size: 13px; }
  .form-group textarea,
  .form-group input[type="text"] {
    font-size: 16px;
    padding: 10px 12px;
  }
  .upload-area {
    padding: 20px 10px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .upload-area:active {
    border-color: var(--primary);
    background: var(--bg-top);
  }
  .upload-placeholder span { font-size: 13px; }
  .preview-item { width: 70px; height: 70px; }
  .btn-submit { font-size: 15px; padding: 12px; }
  .notice-box { margin-bottom: 16px; }
  .notice-box-body img { max-height: 180px; }
  .footer-links { text-align: center; }
  .footer-links a { font-size: 12px; }
  #superadminContactFooter { font-size: 12px !important; padding: 8px !important; }
}

/* ═══ 资讯轮播区 ═══ */
.notice-box {
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: visible;
  background: #fafafa;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.notice-box-header {
  background: linear-gradient(90deg, #fff4e6, #ffeaa7);
  padding: 8px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #8b6914;
  font-weight: 600;
}

.notice-box-body {
  padding: 12px 16px;
  overflow-y: visible;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
  -webkit-overflow-scrolling: touch;
}

.notice-box-body img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 220px;
  object-fit: contain;
  border-radius: 8px;
}

.notice-box-body.no-scroll {
  overflow-y: hidden;
}

.notice-box-body::-webkit-scrollbar {
  width: 4px;
}

.notice-box-body::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 2px;
}

.ad-item {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.ad-item:last-child {
  border-bottom: none;
}

.ad-item-image {
  width: 70px;
  height: 70px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: #eee;
}

.ad-item-body {
  flex: 1;
  min-width: 0;
}

.ad-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.ad-item-content {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ad-item-link {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  font-size: 12px;
  text-decoration: none;
}

.ad-item-link:hover {
  background: #b88d2a;
}

.ad-empty {
  text-align: center;
  padding: 20px;
  color: var(--text-light);
  font-size: 13px;
}

/* ═══ 广告联系表单 ═══ */
.ad-contact-form {
  display: none;
  margin-top: 16px;
  padding: 16px;
  background: #fff9f0;
  border: 1px solid #ffd89b;
  border-radius: 10px;
}

.ad-contact-form.active {
  display: block;
}

.ad-contact-form h4 {
  font-size: 14px;
  color: #c0651a;
  margin-bottom: 10px;
}

.ad-contact-form .form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.ad-contact-form .form-group {
  margin-bottom: 0;
}

.ad-contact-form .form-group.full-width {
  grid-column: 1 / -1;
}

.ad-contact-form textarea {
  width: 100%;
  min-height: 80px;
  padding: 10px;
  border: 2px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
}

.ad-contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.ad-contact-form .btn-submit-ad {
  margin-top: 10px;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}

.ad-contact-form .btn-submit-ad:hover {
  background: #b88d2a;
}

.superadmin-contact-info {
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(200, 162, 60, 0.1);
  border-radius: 6px;
  font-size: 13px;
  color: #8b6914;
}

/* ═══ QQ 号提示 ═══ */
.qq-hint {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
  font-style: italic;
}

/* ═══ 管理后台 - 广告管理 ═══ */
.adm-ad-list {
  display: grid;
  gap: 12px;
}

.adm-ad-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.adm-ad-item .ad-info {
  flex: 1;
}

.adm-ad-item .ad-info h4 {
  font-size: 14px;
  margin-bottom: 4px;
  color: var(--text);
}

.adm-ad-item .ad-info p {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.adm-ad-item .ad-info .ad-meta {
  font-size: 11px;
  color: #aaa;
}

.adm-ad-item .ad-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
}

.btn-sm.primary { background: var(--primary); color: #fff; }
.btn-sm.danger { background: var(--error); color: #fff; }
.btn-sm.secondary { background: var(--border); color: var(--text); }
.btn-sm.warning { background: var(--warning); color: #fff; }

.toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
  background: #ccc;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-switch.active {
  background: var(--success);
}

.toggle-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: left 0.2s;
}

.toggle-switch.active::after {
  left: 18px;
}

/* ═══ 超级管理员 - 资料和联系记录 ═══ */
.sa-profile-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-items: end;
}

.sa-profile-form .form-group.full-width {
  grid-column: 1 / -1;
}

.sa-avatar-upload {
  display: flex;
  align-items: center;
  gap: 14px;
  grid-column: 1 / -1;
}

.sa-avatar-upload .avatar-preview {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.sa-avatar-upload .upload-btn {
  padding: 6px 14px;
  background: var(--primary-light);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.contact-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.contact-table th,
.contact-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.contact-table th {
  background: #f8f8f8;
  font-weight: 600;
  color: var(--text-light);
  font-size: 12px;
  text-transform: uppercase;
}

.contact-table tr:hover {
  background: #fafafa;
}

.contact-total {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 10px;
}

/* ═══ 墙主 - QQ账号管理 ═══ */
.qq-account-section {
  display: flex;
  gap: 12px;
  align-items: center;
}

.qq-account-section input {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}

.qq-account-section input:focus {
  outline: none;
  border-color: var(--primary-light);
}

.current-qq {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.current-qq strong {
  color: var(--primary-dark);
}

/* ═══ 墙主注册 - QQ字段提示 ═══ */
.qq-field-hint {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

/* ═══ 响应式优化 ═══ */
@media (max-width: 600px) {
  .ad-contact-form .form-grid {
    grid-template-columns: 1fr;
  }
  .sa-profile-form {
    grid-template-columns: 1fr;
  }
  .qq-account-section {
    flex-direction: column;
    align-items: stretch;
  }
}