/* mail-helper/web/style.css */
/* FubiIP 3.0 Brand Styling - mail.fubiip.com */

:root {
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  
  --bg: #f8fafc;
  --bg-subtle: #f1f5f9;
  --card: #ffffff;
  --card-hover: #ffffff;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --text: #0f172a;
  --text-2: #334155;
  --muted: #64748b;
  --faint: #94a3b8;
  
  --accent: #f97316;
  --accent-hover: #ea580c;
  --accent-soft: rgba(249, 115, 22, 0.08);
  --accent-border: rgba(249, 115, 22, 0.25);
  --grad: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  
  --ok: #10b981;
  --ok-soft: rgba(16, 185, 129, 0.1);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.1);
  --info: #3b82f6;
  --info-soft: rgba(59, 130, 246, 0.1);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 28px rgba(0,0,0,0.08);
}

[data-theme="dark"] {
  --bg: #0b0f19;
  --bg-subtle: #131b2e;
  --card: #182238;
  --card-hover: #1e2b47;
  --line: #263554;
  --line-strong: #3b4e77;
  --text: #f8fafc;
  --text-2: #cbd5e1;
  --muted: #94a3b8;
  --faint: #64748b;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 30px rgba(0,0,0,0.6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color .2s, color .2s;
}

/* ================= 顶栏 Header ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: background-color .2s, border-color .2s;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-box {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}
.brand-logo-svg {
  width: 32px;
  height: 32px;
}
.brand-title {
  display: flex;
  align-items: center;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand-title .fubi {
  color: var(--text);
}
.brand-title .accent {
  color: var(--accent);
}
.brand-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  padding: 2px 7px;
  border-radius: 6px;
  margin-left: 8px;
}

/* 四站生态导航 */
.portal-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-subtle);
  padding: 4px 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}
.portal-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-2);
  transition: all .15s;
}
.portal-link:hover {
  color: var(--accent);
  background: rgba(255,255,255,0.6);
}
[data-theme="dark"] .portal-link:hover {
  background: rgba(255,255,255,0.06);
}
.portal-link.is-active {
  background: var(--card);
  color: var(--accent);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.portal-link .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.theme-btn, .lang-cur-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.theme-btn:hover, .lang-cur-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 语言下拉菜单 */
.lang-dropdown {
  position: relative;
}
.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  min-width: 140px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 100;
}
.lang-menu.show {
  display: flex;
}
.lang-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background .15s;
}
.lang-item:hover {
  background: var(--bg-subtle);
  color: var(--accent);
}
.flag-svg {
  width: 20px;
  height: 14px;
  border-radius: 2px;
  object-fit: cover;
  flex-shrink: 0;
}

/* ================= 主体 Main ================= */
.main-content {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 28px 20px 60px;
}

/* Hero Section */
.hero-banner {
  text-align: center;
  padding: 24px 10px 32px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 14px;
}
.hero-tag i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}
.hero-banner h1 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: var(--text);
}
.hero-banner h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-banner p {
  color: var(--muted);
  font-size: 15px;
  max-width: 660px;
  margin: 0 auto;
}

/* 核心布局网格 */
.helper-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

/* 输入与控制面板 */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: background-color .2s, border-color .2s;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-title {
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title .icon {
  font-size: 19px;
}

.privacy-notice {
  font-size: 12px;
  color: var(--ok);
  background: var(--ok-soft);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* 平台与配置条 */
.controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}
.control-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.control-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
}
.select-input {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  outline: none;
  font-family: inherit;
}
.select-input:focus {
  border-color: var(--accent);
}

/* 输入框 */
.mail-textarea {
  width: 100%;
  height: 120px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color .15s;
}
.mail-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.textarea-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  gap: 10px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: all .15s;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 2px 8px rgba(249, 115, 22, 0.25);
}
.btn-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  color: var(--text-2);
}
.btn-secondary:hover {
  background: var(--line);
  color: var(--text);
}
.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.btn-danger:hover {
  background: rgba(239, 68, 68, 0.18);
}
.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

/* 账号列表面板 */
.account-list-container {
  margin-top: 24px;
}
.account-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
}
.account-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  gap: 14px;
  transition: border-color .15s, box-shadow .15s;
}
.account-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.account-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}
.account-email {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.account-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--muted);
}
.tag-badge {
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  font-weight: 500;
}
.tag-badge.oauth {
  background: rgba(59, 130, 246, 0.1);
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.2);
}
.tag-badge.imap {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
  border-color: rgba(16, 185, 129, 0.2);
}

.account-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* OTP 验证码展示卡片 */
.otp-display-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.otp-modal-body {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 540px;
  width: 100%;
  padding: 28px;
  position: relative;
  text-align: center;
}
.otp-code-highlight {
  font-family: var(--mono);
  font-size: 38px;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 2px dashed var(--accent-border);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  margin: 20px 0;
  cursor: pointer;
  position: relative;
  display: inline-block;
  min-width: 240px;
  user-select: all;
  transition: transform .1s, background-color .15s;
}
.otp-code-highlight:hover {
  transform: scale(1.02);
  background: rgba(249, 115, 22, 0.14);
}
.otp-meta-msg {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 20px;
  text-align: left;
  background: var(--bg-subtle);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
}

/* 收件箱弹窗 */
.inbox-modal-body {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 800px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  position: relative;
}
.inbox-modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.inbox-modal-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}
.mail-list-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.mail-list-table th, .mail-list-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.mail-list-table th {
  background: var(--bg-subtle);
  color: var(--muted);
  font-weight: 600;
}
.mail-list-table tr:hover td {
  background: var(--bg-subtle);
}

/* 提示与 Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 13.5px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastIn .2s ease-out;
}
.toast.ok { border-color: var(--ok); color: var(--ok); }
.toast.error { border-color: var(--danger); color: var(--danger); }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 页脚 */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  background: var(--card);
  padding: 24px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--text-2);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
  }
  .portal-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
  }
  .account-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .account-actions {
    width: 100%;
    justify-content: flex-end;
  }
}