/* 跨浏览器 + 移动端适配补丁 */

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  -webkit-tap-highlight-color: transparent;
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
  overflow-x: hidden;
}

/* color-mix 不支持时的渐变回退 */
:root {
  --brand-gradient-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.10), rgba(79, 70, 229, 0.06), rgba(34, 211, 238, 0.05));
}

@supports (background: color-mix(in srgb, red 50%, blue)) {
  :root {
    --brand-gradient-soft: linear-gradient(135deg, color-mix(in srgb, var(--brand-indigo) 12%, transparent), color-mix(in srgb, var(--brand-violet) 8%, transparent), color-mix(in srgb, var(--brand-cyan) 6%, transparent));
  }
}

/* backdrop-filter 不支持时提高不透明度 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .main-nav,
  .glass-card,
  .nav-links.nav-links-v2,
  .nav-controls-v3 .lang-dropdown,
  .code-display,
  .toast {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .main-nav { background: var(--nav-bg-2); }
  .glass-card { background: var(--card-bg-2); }
}

/* 触控目标 ≥ 44px（WCAG 建议） */
.nav-controls-v3 .nav-ctrl-btn {
  min-width: 40px;
  min-height: 40px;
}

@media (max-width: 720px) {
  .nav-controls-v3 .nav-ctrl-btn {
    min-width: 44px;
    min-height: 44px;
  }
}

.nav-controls-v3 .lang-dropdown-item {
  min-height: 44px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.otp-section-v2 .code-display-live,
.otp-section-v3 .code-display-live,
.otp-simple .code-display-live,
.hero-flow .code-display-live {
  min-height: 44px;
}

.primary-btn,
.secondary-btn {
  min-height: 44px;
}

.index-hero-help .quick-help-demo-btn,
.index-hero-help .quick-help-toggle {
  min-height: 0;
}

.tool-icon-btn {
  min-width: 44px;
  min-height: 44px;
}

/* ========== 移动端全局 ========== */
@media (max-width: 768px) {
  .main-nav {
    padding-top: env(safe-area-inset-top, 0);
  }

  .nav-container {
    min-width: 0;
  }

  .nav-controls.nav-controls-v3 {
    gap: 2px;
    flex-shrink: 0;
  }

  /* iOS 输入框 ≥16px 防止聚焦自动放大 */
  input,
  select,
  textarea,
  .input-wrapper input,
  .index-hero-card .input-wrapper input {
    font-size: 16px !important;
  }

  /* —— 全站卡片：统一内边距、轻阴影、禁 hover 位移 —— */
  .container,
  .container.index-page,
  .container.tool-hub-wrap,
  .container.tools-index-wrap,
  .container.tool-page-wrap,
  .container.ip-hub-wrap {
    padding:
      10px
      max(12px, env(safe-area-inset-left, 12px))
      max(20px, env(safe-area-inset-bottom, 20px))
      max(12px, env(safe-area-inset-right, 12px)) !important;
    min-height: 0 !important;
    gap: 12px;
  }

  .glass-card,
  .page-main-card,
  .index-hero-card,
  .ip-hub-card,
  .tool-hub-card,
  .tool-page-card,
  .tools-index-section,
  .tools-index-card {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 16px 14px !important;
    border-radius: 16px !important;
    margin-bottom: 0;
    backdrop-filter: blur(14px) saturate(1.15) !important;
    -webkit-backdrop-filter: blur(14px) saturate(1.15) !important;
    box-shadow:
      0 1px 0 var(--glass-highlight) inset,
      0 10px 28px var(--shadow-2) !important;
  }

  .glass-card:hover,
  .page-main-card:hover,
  .index-hero-card:hover,
  .ip-hub-card:hover,
  .tool-hub-card:hover,
  .tools-index-card:hover {
    transform: none !important;
  }

  .app-header h1,
  .ip-hub-header h1,
  .tool-hub-hero h1,
  .tools-index-hero h1 {
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 2px;
  }

  .page-main-card .app-header h1,
  .page-main-card .ip-hub-header h1,
  .page-main-card .tool-hub-hero h1 {
    font-size: clamp(17px, 4.6vw, 21px);
    line-height: 1.35;
    word-break: break-word;
  }

  .page-main-card .tagline,
  .page-main-card .ip-hub-header p,
  .page-main-card .tool-hub-hero p {
    font-size: 12px;
    line-height: 1.45;
  }

  .app-header,
  .ip-hub-header,
  .tool-hub-hero {
    margin-bottom: 14px !important;
  }

  .app-main,
  .index-hero-main {
    gap: 14px;
  }

  .primary-btn,
  .index-hero-card .primary-btn {
    width: 100%;
    min-height: 46px;
  }

  .telegram-bot-float {
    right: max(10px, env(safe-area-inset-right, 10px));
    bottom: max(12px, env(safe-area-inset-bottom, 12px));
  }

  .global-footer {
    padding-bottom: max(12px, env(safe-area-inset-bottom, 12px));
  }

  .footer-legal {
    font-size: 10px;
    line-height: 1.4;
  }

  .nav-controls-v3 .lang-dropdown {
    right: -8px;
    left: auto;
    max-width: min(200px, calc(100vw - 24px));
  }

  .index-hero-card .otp-section-v2,
  .index-hero-card .otp-section-v3 {
    max-width: 100%;
    width: 100%;
  }

  .index-hero-card .otp-section-v2 .code-value {
    font-size: clamp(20px, 6.2vw, 24px) !important;
    letter-spacing: 0.18em !important;
    font-weight: 800 !important;
  }

  .index-hero-card .otp-section-v3 .otp-v3-cell {
    font-size: clamp(18px, 5.5vw, 24px) !important;
  }

  .index-hero-card .input-group {
    max-width: 100% !important;
  }

  .code-copy-badge {
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
  }

  .toast,
  .otp-toast {
    max-width: calc(100vw - 32px);
  }

  .otp-section-v2 .otp-toast,
  .otp-section-v3 .otp-toast {
    max-width: calc(100% - 16px);
  }
}

@media (max-width: 640px) {
  .container {
    padding-left: max(10px, env(safe-area-inset-left, 10px));
    padding-right: max(10px, env(safe-area-inset-right, 10px));
  }

  .glass-card,
  .page-main-card,
  .index-hero-card,
  .ip-hub-card,
  .tool-hub-card,
  .tools-index-section,
  .tools-index-card {
    padding: 14px 12px !important;
    border-radius: 14px !important;
  }

  .button-group {
    flex-direction: column;
    width: 100%;
  }

  .button-group .primary-btn,
  .button-group .secondary-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .glass-card,
  .page-main-card,
  .index-hero-card,
  .ip-hub-card,
  .tool-hub-card,
  .tools-index-section {
    padding: 12px 10px !important;
    border-radius: 12px !important;
  }

  .app-header {
    margin-bottom: 12px !important;
  }

  .app-header h1 {
    font-size: 16px !important;
  }

  .index-hero-card .otp-section-v2 .code-display-inner,
  .index-hero-card .otp-section-v3 .otp-v3-body {
    padding: 10px 12px 8px;
  }

  .quick-help-hint {
    text-align: center;
    flex: 1 1 100%;
  }

  .global-footer {
    padding: 12px 10px max(14px, env(safe-area-inset-bottom, 14px));
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* 工具箱页 */
@media (max-width: 768px) {
  .tool-hub-grid,
  .tools-index-view-cards .tools-index-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .tool-hub-card,
  .tools-index-card {
    min-height: 0 !important;
    padding: 14px 12px !important;
  }

  .tool-hub-card-title-text,
  .tools-index-card-title {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    line-height: 1.35;
  }

  .tools-index-view-list .tools-index-grid {
    gap: 8px !important;
  }

  .tools-request-grid {
    grid-template-columns: 1fr !important;
  }

  .tool-workspace {
    grid-template-columns: 1fr !important;
  }

  .tools-index-hero {
    padding: 14px 12px !important;
  }

  .tools-index-view-list .tools-index-card {
    padding: 12px 12px !important;
  }

  .tools-index-section {
    padding: 8px !important;
  }

  .tools-index-section-head {
    padding: 12px 12px 10px !important;
  }
}

@media (max-width: 900px) {
  .tools-index-view-cards .tools-index-grid {
    gap: 6px !important;
  }
}

/* 密码生成器 */
@media (max-width: 768px) {
  .generate-btn,
  .password-form .primary-btn {
    width: 100%;
    min-width: 0;
  }

  .password-list,
  .password-grid {
    grid-template-columns: 1fr !important;
  }
}

/* IP 工具页 */
@media (max-width: 768px) {
  .ip-hub-top,
  .ip-panel {
    padding: 0;
  }

  .ip-toggles {
    flex-wrap: wrap;
    gap: 8px;
  }

  .ip-toggle-row {
    font-size: 12px;
  }
}

/* 汇率页计算器 */
@media (max-width: 768px) {
  .calculator-row,
  .rate-row,
  .usdt-calc-row {
    flex-direction: column;
    align-items: stretch !important;
  }

  .calculator-row input,
  .calculator-row select,
  .usdt-calc-row input,
  .usdt-calc-row select {
    width: 100% !important;
    min-width: 0 !important;
  }
}

/* 长文本防溢出 */
.code-value,
.hash-value,
.info-value,
.mono,
.ip-hero-ip,
.ip-export-ip,
pre,
.result-item .uid {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* 表格/宽内容横向滚动 */
.table-wrap,
.result-table-wrap,
.admin-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}