:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1f2328;
  --muted: #6b7280;
  --primary: #2563eb;
  --danger: #dc2626;
  --ok: #16a34a;
  --flash-ok-bg: #e7f6ec;
  --flash-ok-border: #b7e6c4;
  --flash-err-bg: #fdecec;
  --flash-err-border: #f5c2c2;
  --btn-danger-border: #f5c2c2;
  --btn-danger-hover-bg: #fdecec;
  --input-bg: #ffffff;
  --table-header-bg: #f5f6f8;
}

html[data-theme="dark"] {
  --bg: #1a1b1e;
  --surface: #25262b;
  --border: #373a40;
  --text: #c1c2c5;
  --muted: #909296;
  --primary: #339af0;
  --danger: #ff6b6b;
  --ok: #51cf66;
  --flash-ok-bg: #1a2e1a;
  --flash-ok-border: #2d5a2d;
  --flash-err-bg: #2e1a1a;
  --flash-err-border: #5a2d2d;
  --btn-danger-border: #5a2d2d;
  --btn-danger-hover-bg: #3d1f1f;
  --input-bg: #25262b;
  --table-header-bg: #1a1b1e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang TC", "Noto Sans TC", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.pwa-update-banner {
  width: 100%;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .12);
}

.pwa-update-banner[hidden] { display: none; }
.pwa-update-banner__content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  max-width: 960px;
  margin: 0 auto;
  padding: 12px max(16px, env(safe-area-inset-right)) 12px max(16px, env(safe-area-inset-left));
}
.pwa-update-banner__copy { flex: 1 1 280px; min-width: 0; }
.pwa-update-banner__title { display: block; margin-bottom: 3px; }
.pwa-update-banner__body { margin: 0; color: var(--muted); }
.pwa-update-banner__actions { display: flex; flex: 0 1 auto; flex-wrap: wrap; gap: 8px; }
.pwa-update-banner__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 44px;
  width: 44px;
  min-height: 44px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}
.pwa-update-banner__close:hover { background: var(--bg); }
.pwa-update-banner__close:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.network-status-banner {
  width: 100%;
  border-bottom: 1px solid var(--border);
}
.network-status-banner[hidden] { display: none; }
.network-status-banner__content {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px max(16px, env(safe-area-inset-right)) 12px max(16px, env(safe-area-inset-left));
}
.network-status-banner__title { display: block; margin-bottom: 3px; }
.network-status-banner__body { margin: 0; }
.network-status-banner--offline {
  border-color: var(--flash-err-border);
  background: var(--flash-err-bg);
  color: var(--danger);
}
.network-status-banner--restored {
  border-color: var(--flash-ok-border);
  background: var(--flash-ok-bg);
  color: var(--ok);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar .brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 6px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  border-radius: 6px;
  line-height: 0;
  text-decoration: none;
}

.brand-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.brand-logo {
  display: block;
  width: 112px;
  height: 36px;
  background-image: url("/static/branding/login-logo-light.webp");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

html[data-theme="dark"] .brand-logo {
  background-image: url("/static/branding/login-logo-dark.webp");
}

.env-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: 999px;
  padding: 1px 8px;
  margin-left: 0;
  vertical-align: middle;
  white-space: nowrap;
}

.environment-control {
  flex: 0 0 auto;
  color: var(--danger);
  border-radius: 6px;
  padding: 4px 7px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.environment-control:hover,
.environment-control.active {
  background: var(--flash-err-bg);
}

.environment-control:focus-visible,
.nav-menu-trigger:focus-visible,
.nav-menu-panel a:focus-visible,
.nav-menu-panel button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.desktop-nav,
.primary-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.primary-nav a,
.nav-menu-trigger {
  white-space: nowrap;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
  color: var(--text);
}

.mobile-nav {
  display: none;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.mobile-nav a {
  display: block;
  padding: 12px 24px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.mobile-nav a:hover {
  background: var(--bg);
}

.mobile-nav a.active {
  color: var(--primary);
  font-weight: 600;
}

.primary-nav a {
  color: var(--text);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 6px;
}

.primary-nav a:hover,
.primary-nav a.active,
.nav-menu-trigger:hover,
.nav-menu-trigger.active {
  background: var(--bg);
  color: var(--primary);
}

.topbar .account {
  margin-left: auto;
  flex: 0 0 auto;
}

.nav-disclosure {
  position: relative;
}

.nav-menu-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 34px;
  padding: 4px 8px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.user-menu-trigger-name {
  display: block;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

.nav-menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 1000;
  display: grid;
  min-width: 220px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 10px 28px rgb(0 0 0 / 16%);
}

.nav-menu-panel[hidden] {
  display: none;
}

.user-menu-panel {
  right: 0;
  left: auto;
  min-width: 250px;
}

.nav-menu-panel a,
.nav-menu-panel button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.nav-menu-panel a:hover,
.nav-menu-panel button:hover,
.nav-menu-panel a.active {
  background: var(--bg);
  color: var(--primary);
}

.nav-menu-panel form,
.nav-menu-panel .locale-selector {
  display: block;
  width: 100%;
  margin: 0;
}

.user-menu-identity {
  display: grid;
  gap: 3px;
  padding: 8px 10px 10px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--border);
  overflow-wrap: anywhere;
}

.user-menu-identity span,
.mobile-account-identity span {
  color: var(--muted);
  font-size: 13px;
}

.theme-toggle {
  font-size: 16px;
  line-height: 1;
  padding: 4px 8px;
  min-width: 32px;
  text-align: center;
}

.theme-toggle-label {
  font-size: 14px;
  line-height: 1.2;
}

.container {
  max-width: 960px;
  margin: 24px auto;
  padding: 0 24px;
}

/* Opt-in viewport-centered width for dense desktop management pages only. */
.data-dense-container {
  box-sizing: border-box;
  width: min(90vw, 1560px);
  margin-left: 50%;
  transform: translateX(-50%);
}

h1 { font-size: 22px; }
h2 { font-size: 16px; margin-top: 28px; }
.subtitle { color: var(--muted); }

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

.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.flash-ok { background: var(--flash-ok-bg); color: var(--ok); border: 1px solid var(--flash-ok-border); }
.flash-err { background: var(--flash-err-bg); color: var(--danger); border: 1px solid var(--flash-err-border); }

.toolbar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.toolbar label {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toolbar input,
.toolbar select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--input-bg);
  color: var(--text);
}

.toolbar input:focus,
.toolbar select:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.toolbar input[type="date"],
.toolbar input[type="email"],
.toolbar input[type="number"],
.toolbar input[type="text"],
.toolbar input[type="password"] {
  background: var(--input-bg);
  color: var(--text);
}

input, select, textarea {
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--border);
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

input::placeholder, textarea::placeholder {
  color: var(--muted);
}

select option {
  background: var(--surface);
  color: var(--text);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}

.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.kpi-label {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 24px;
  font-weight: 700;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

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

.table th {
  background: var(--table-header-bg);
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

.table tbody tr:hover {
  background: var(--bg);
}

.empty {
  color: var(--muted);
  padding: 16px 0;
}

.status-on { color: var(--ok); font-weight: 600; }
.status-off { color: var(--danger); font-weight: 600; }
.muted { color: var(--muted); }

.btn {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
}

.btn:hover,
.btn:focus,
.btn:focus-visible,
.btn:active,
.btn:visited { text-decoration: none; }

.btn:hover { background: var(--bg); }

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  --btn-primary-text: #fff;
  -webkit-appearance: none;
  appearance: none;
  -webkit-text-fill-color: var(--btn-primary-text);
  background: var(--primary);
  border-color: var(--primary);
  color: var(--btn-primary-text);
  -webkit-tap-highlight-color: transparent;
}

html[data-theme="dark"] .btn-primary {
  --btn-primary-text: #071b2c;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:focus-visible,
.btn-primary:active,
.btn-primary.is-loading,
.btn-primary[aria-busy="true"] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--btn-primary-text);
  -webkit-text-fill-color: var(--btn-primary-text);
  opacity: 1;
}

.btn.btn-primary:disabled {
  opacity: 0.75;
  cursor: not-allowed;
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  -webkit-text-fill-color: currentColor;
  pointer-events: none;
}

html[data-theme="dark"] .btn.btn-primary:disabled {
  color: #1a1b1e;
  -webkit-text-fill-color: currentColor;
}

.btn-sm { padding: 4px 10px; font-size: 13px; }

.btn-danger {
  color: var(--danger);
  border-color: var(--btn-danger-border);
}

.btn-danger:hover { background: var(--btn-danger-hover-bg); }

.btn-ghost {
  background: transparent;
  border-color: transparent;
}

.btn-ghost:hover { background: var(--bg); }

.btn-block { width: 100%; }

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.inline-form { display: inline; margin-right: 6px; }

.auth-card {
  max-width: 360px;
  margin: 80px auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}

.auth-card h1 { text-align: center; margin-top: 0; }

.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 24px;
  width: 100%;
}

.auth-logo {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 96px;
  background-image: url("/static/branding/login-logo-light.webp");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

html[data-theme="dark"] .auth-logo {
  background-image: url("/static/branding/login-logo-dark.webp");
}

.auth-card form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-card label { font-size: 13px; color: var(--muted); }

.auth-card input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
  background: var(--input-bg);
  color: var(--text);
}

/* Keep text-capable controls at Safari's no-auto-zoom threshold on mobile. */
@media (max-width: 700px) {
  input:not([type]),
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="search"],
  input[type="tel"],
  input[type="url"],
  input[type="number"],
  input[type="date"],
  input[type="time"],
  textarea,
  select {
    font-size: 16px;
  }
}

/* Activation is public and must stay readable while held on mobile touch UI. */
.activation-message { color: var(--muted); line-height: 1.55; }
.btn.activation-submit {
  --activation-action-text: #fff;
  color: var(--activation-action-text);
  -webkit-text-fill-color: var(--activation-action-text);
  -webkit-tap-highlight-color: transparent;
}
.btn.activation-submit:hover,
.btn.activation-submit:focus,
.btn.activation-submit:focus-visible,
.btn.activation-submit:active,
.btn.activation-submit[aria-busy="true"] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--activation-action-text);
  -webkit-text-fill-color: var(--activation-action-text);
  opacity: 1;
}
.btn.activation-submit:active { transform: translateY(1px); }
.btn.activation-submit:disabled,
.btn.activation-submit[disabled] {
  background: #94a3b8;
  border-color: #94a3b8;
  color: #0f172a;
  -webkit-text-fill-color: #0f172a;
  opacity: 1;
}
html[data-theme="dark"] .btn.activation-submit { --activation-action-text: #071b2c; }
html[data-theme="dark"] .btn.activation-submit:disabled,
html[data-theme="dark"] .btn.activation-submit[disabled] {
  color: #0f172a;
  -webkit-text-fill-color: #0f172a;
}

.form-error {
  color: var(--danger);
  font-size: 13px;
  min-height: 18px;
}

.status-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.manual-email-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin: 24px 0;
}

.manual-email-section h2 {
  margin: 0 0 6px;
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.section-heading-row .subtitle {
  margin: 0;
  line-height: 1.55;
}

.plan-badge {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

.quota-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0;
}

.quota-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  min-width: 0;
}

.quota-card span,
.quota-card strong {
  display: block;
}

.quota-card span {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.quota-card strong {
  overflow-wrap: anywhere;
  font-size: 14px;
}

.manual-email-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.manual-email-form .form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.manual-email-form label {
  color: var(--muted);
  font-size: 13px;
}

.manual-email-form input,
.manual-email-form select {
  width: 100%;
  min-height: 40px;
  border-radius: 6px;
  padding: 8px 10px;
}

/* iOS Safari: keep date value left-aligned and match sibling control metrics */
.manual-email-form input[type="date"] {
  box-sizing: border-box;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
  text-align: left;
}

.manual-email-form input[type="date"]::-webkit-date-and-time-value {
  text-align: left;
  min-height: 1.2em;
}

.manual-send-btn,
.manual-date-error {
  grid-column: 1 / -1;
}

.manual-send-btn {
  justify-self: start;
}

.manual-send-btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.upgrade-note,
.permission-note {
  border-radius: 8px;
  padding: 10px 12px;
  margin: 14px 0 0;
  line-height: 1.5;
}

.upgrade-note {
  color: var(--danger);
  background: var(--flash-err-bg);
  border: 1px solid var(--flash-err-border);
}

.permission-note {
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
}

.upload-section {
  margin-top: 28px;
}

.upload-help {
  font-size: 14px;
  line-height: 1.6;
  margin: 8px 0 4px;
  color: var(--text);
}

.upload-optional-help {
  font-size: 13px;
  margin: 0 0 14px;
  color: var(--muted);
}

.upload-safari-helper {
  font-size: 13px;
  line-height: 1.5;
  margin: 8px 0 12px;
  color: var(--muted);
}

.upload-safari-helper[hidden] {
  display: none;
}

.upload-template {
  margin: 12px 0;
}

.upload-template .btn {
  width: 100%;
}

.upload-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.upload-label {
  font-size: 14px;
  color: var(--text);
}

.upload-file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.upload-file-row input[type="file"] {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--text);
}

.upload-file-row .btn {
  flex: 0 0 auto;
}

.scope-indicator {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 16px;
}

[role="alert"] {
  color: var(--danger);
}

.locale-selector {
  display: flex;
  align-items: center;
}

.auth-locale {
  margin-top: 16px;
  justify-content: center;
}

/* Authenticated shell: use the existing drawer on small desktop and tablet. */
@media (max-width: 1200px) {
  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    grid-template-areas: "menu logo badge";
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
  }

  .mobile-menu-toggle {
    display: block;
    grid-area: menu;
    justify-self: start;
  }

  .topbar .brand {
    display: contents;
  }

  .topbar .brand-link {
    grid-area: logo;
    justify-self: center;
  }

  .topbar .env-badge {
    grid-area: badge;
    justify-self: end;
    align-self: center;
  }

  .topbar .environment-control,
  .topbar nav.desktop-nav,
  .topbar .account {
    display: none;
  }

  .mobile-nav.open {
    display: block;
    max-height: calc(100vh - 56px);
    max-height: calc(100dvh - 56px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .mobile-accordion {
    border-top: 1px solid var(--border);
  }

  .mobile-accordion-trigger {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 24px;
    border: 0;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-weight: 650;
    text-align: left;
    cursor: pointer;
  }

  .mobile-accordion-trigger:hover,
  .mobile-accordion-trigger[aria-expanded="true"] {
    background: var(--bg);
  }

  .mobile-menu-toggle:focus-visible,
  .mobile-nav a:focus-visible,
  .mobile-accordion-trigger:focus-visible,
  .mobile-accordion-panel button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
  }

  .mobile-accordion-chevron {
    flex: 0 0 auto;
    color: var(--muted);
    font-size: 18px;
    line-height: 1;
  }

  .mobile-accordion-chevron::before {
    content: "⌄";
  }

  .mobile-accordion-trigger[aria-expanded="true"] .mobile-accordion-chevron::before {
    content: "⌃";
  }

  .mobile-accordion-panel[hidden] {
    display: none;
  }

  .mobile-accordion-panel {
    padding: 4px 0 8px;
    background: var(--bg);
  }

  .mobile-accordion-panel > a {
    padding-left: 40px;
    border-bottom: 0;
  }

  .mobile-accordion-panel > a:hover,
  .mobile-accordion-panel > a.active {
    background: var(--surface);
  }

  .mobile-account-trigger-name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-account-role {
    padding: 8px 40px;
    color: var(--muted);
    font-size: 13px;
    overflow-wrap: anywhere;
  }

  .mobile-accordion-panel .locale-selector,
  .mobile-accordion-panel .theme-toggle,
  .mobile-accordion-panel form {
    display: block;
    width: 100%;
  }

  .mobile-accordion-panel .locale-selector a,
  .mobile-accordion-panel .theme-toggle,
  .mobile-accordion-panel form button {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 8px;
    text-align: left;
    background: transparent;
    border: none;
    padding: 12px 40px;
    color: var(--text);
    font-size: 16px;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    border-radius: 0;
  }

  .mobile-accordion-panel .locale-selector a:hover,
  .mobile-accordion-panel .theme-toggle:hover,
  .mobile-accordion-panel form button:hover {
    background: var(--surface);
  }
}

/* --- Responsive: Page layouts at the existing mobile breakpoint --- */

@media (max-width: 768px) {
  .section-heading-row {
    flex-direction: column;
  }

  .quota-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .manual-email-form {
    grid-template-columns: 1fr;
  }

  .manual-send-btn,
  .manual-date-error {
    grid-column: 1;
  }

  .manual-send-btn {
    width: 100%;
    justify-content: center;
  }

  .container {
    padding: 0 16px;
  }
}

@media (max-width: 480px) {
  .quota-grid {
    grid-template-columns: 1fr;
  }

  .manual-email-section {
    padding: 16px;
  }

  .topbar {
    gap: 4px;
    padding: 8px 12px;
  }

  .topbar .account {
    gap: 4px;
  }
}


/* ---------------------------------------------------------------------------
 * AI Analysis UX (Phase 8.2-4)
 * Uses existing CSS variables for light/dark, responsive, no hardcoded colors.
 * ------------------------------------------------------------------------- */
.ai-analysis {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.ai-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.ai-header h2 {
  margin: 0;
  font-size: 18px;
}

.ai-analysis-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 142px;
  min-height: 35px;
}

.ai-button-busy,
.button-busy {
  display: none;
  align-items: center;
  gap: 8px;
}

.ai-analysis-btn.is-loading .ai-button-idle,
.loading-button.is-loading .button-idle {
  display: none;
}

.ai-analysis-btn.is-loading .ai-button-busy,
.loading-button.is-loading .button-busy {
  display: inline-flex;
}

.ai-analysis-btn .spinner,
.loading-button .spinner {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ai-spin 0.8s linear infinite;
  flex-shrink: 0;
}

.ai-analysis-btn:disabled {
  opacity: 0.75;
}

.ai-analysis-btn:hover,
.ai-analysis-btn:disabled {
  background: var(--primary);
  border-color: var(--primary);
}

@keyframes ai-spin {
  to { transform: rotate(360deg); }
}

.ai-result {
  display: grid;
  gap: 16px;
}

.ai-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  min-width: 0;
}

.ai-card h3 {
  margin: 0 0 10px 0;
  font-size: 15px;
  font-weight: 600;
}

.ai-card p {
  margin: 0;
  line-height: 1.6;
}

.ai-list {
  margin: 0;
  padding-left: 20px;
  line-height: 1.7;
}

.ai-summary {
  border-left: 4px solid var(--primary);
}

.ai-anomaly {
  border-left: 4px solid var(--danger);
}

.ai-table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-radius: 8px;
  -webkit-overflow-scrolling: touch;
}

.ai-store-table {
  min-width: 680px;
}

.ai-store-table th,
.ai-store-table td {
  white-space: nowrap;
}

.ai-store-table th:first-child,
.ai-store-table td:first-child {
  min-width: 96px;
}

@media (max-width: 768px) {
  .ai-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .ai-result {
    gap: 12px;
  }
}

/* --- Responsive: Recipient Management (desktop table / mobile cards) --- */

.recipient-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.recipient-table {
  min-width: 760px;
}

.recipient-table th {
  white-space: nowrap;
}

.recipient-table th:nth-child(1),
.recipient-table td:nth-child(1) {
  min-width: 140px;
}

.recipient-table th:nth-child(2),
.recipient-table td:nth-child(2) {
  min-width: 260px;
}

.recipient-table td:nth-child(2) {
  overflow-wrap: anywhere;
}

.recipient-table th:nth-child(3),
.recipient-table td:nth-child(3) {
  min-width: 100px;
  white-space: nowrap;
}

.recipient-table th:nth-child(4),
.recipient-table td:nth-child(4) {
  min-width: 130px;
  white-space: nowrap;
}

.recipient-table th:nth-child(5),
.recipient-table td:nth-child(5) {
  min-width: 190px;
  white-space: nowrap;
}

.recipient-cards {
  display: none;
}

/* Auth-2D Security Log: table on desktop, readable audit cards on mobile. */
.security-log-page {
  display: grid;
  gap: 1rem;
}

.security-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: end;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.security-filters label {
  display: grid;
  gap: .35rem;
  min-width: 10rem;
  color: var(--muted);
  font-size: .875rem;
}

.security-filters select {
  min-height: 2.4rem;
}

.security-filters .btn-primary {
  --security-filter-action-text: #fff;
  width: auto;
  min-height: 2.4rem;
  white-space: nowrap;
  color: var(--security-filter-action-text);
  -webkit-text-fill-color: var(--security-filter-action-text);
  /* Do not let iOS paint a low-contrast tap overlay over this action. */
  -webkit-tap-highlight-color: transparent;
}

/*
 * iOS applies :hover while a touch is held.  The shared .btn-primary:hover
 * opacity rule therefore dimmed both the primary blue and its label.  Keep
 * this security-log action fully opaque in every interactive state, while a
 * small movement still provides pressed feedback.
 */
.security-filters .btn-primary:hover,
.security-filters .btn-primary:focus,
.security-filters .btn-primary:focus-visible,
.security-filters .btn-primary:active,
.security-filters .btn-primary.is-loading,
.security-filters .btn-primary[aria-busy="true"] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--security-filter-action-text);
  -webkit-text-fill-color: var(--security-filter-action-text);
  opacity: 1;
}

.security-filters .btn-primary:active {
  transform: translateY(1px);
}

.security-filters .btn-primary:disabled,
.security-filters .btn-primary[disabled] {
  background: #94a3b8;
  border-color: #94a3b8;
  color: #0f172a;
  -webkit-text-fill-color: #0f172a;
  opacity: 1;
}

.security-table-wrap { overflow-x: auto; }
.security-table { min-width: 1040px; }
.security-device { max-width: 16rem; overflow-wrap: anywhere; }

.security-badge {
  display: inline-block;
  border-radius: 999px;
  padding: .2rem .5rem;
  font-size: .8rem;
  font-weight: 650;
  white-space: nowrap;
  background: var(--table-header-bg);
  color: var(--text);
}
.security-badge-success, .security-badge-info { background: #d7f4e2; color: #14532d; }
.security-badge-failure, .security-badge-critical { background: #fee2e2; color: #991b1b; }
.security-badge-warning, .security-badge-denied { background: #fef3c7; color: #854d0e; }

.security-details summary { cursor: pointer; color: var(--link); }
.security-details dl, .security-card dl { margin: .65rem 0 0; }
.security-details dl > div, .security-card dl > div {
  display: grid;
  grid-template-columns: minmax(6rem, auto) 1fr;
  gap: .5rem;
  padding: .25rem 0;
}
.security-details dt, .security-card dt { color: var(--muted); }
.security-details dd, .security-card dd { margin: 0; overflow-wrap: anywhere; }

.security-cards { display: none; gap: .75rem; }
.security-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  background: var(--surface);
}
.security-card-heading { display: grid; gap: .25rem; }
.security-card-heading span { color: var(--muted); font-size: .875rem; }
.security-badges { display: flex; flex-wrap: wrap; gap: .4rem; margin: .7rem 0; }
.security-pagination { margin: .25rem 0 0; }

html[data-theme="dark"] .security-badge-success,
html[data-theme="dark"] .security-badge-info { background: #14532d; color: #dcfce7; }
html[data-theme="dark"] .security-badge-failure,
html[data-theme="dark"] .security-badge-critical { background: #7f1d1d; color: #fee2e2; }
html[data-theme="dark"] .security-badge-warning,
html[data-theme="dark"] .security-badge-denied { background: #78350f; color: #fef3c7; }

/* The dark-theme primary blue needs dark text for an accessible action label. */
html[data-theme="dark"] .security-filters .btn-primary {
  --security-filter-action-text: #071b2c;
}

/* Organization user provisioning must remain readable while held on touch UI. */
.organization-management .org-user-provision-submit {
  --org-user-action-text: #fff;
  color: var(--org-user-action-text);
  -webkit-text-fill-color: var(--org-user-action-text);
  -webkit-tap-highlight-color: transparent;
}

.organization-management .org-user-language {
  min-width: 0;
}

.organization-management .org-user-locale-help {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.organization-management .org-user-provision-submit:hover,
.organization-management .org-user-provision-submit:focus,
.organization-management .org-user-provision-submit:focus-visible,
.organization-management .org-user-provision-submit:active,
.organization-management .org-user-provision-submit.is-loading,
.organization-management .org-user-provision-submit[aria-busy="true"] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--org-user-action-text);
  -webkit-text-fill-color: var(--org-user-action-text);
  opacity: 1;
}

.organization-management .org-user-provision-submit:active {
  transform: translateY(1px);
}

.organization-management .org-user-provision-submit:disabled,
.organization-management .org-user-provision-submit[disabled] {
  background: #94a3b8;
  border-color: #94a3b8;
  color: #0f172a;
  -webkit-text-fill-color: #0f172a;
  opacity: 1;
}

html[data-theme="dark"] .organization-management .org-user-provision-submit {
  --org-user-action-text: #071b2c;
}

/* Invitation resend is intentionally scoped to Organization users only. */
.organization-management .btn.org-user-resend {
  --org-resend-action-text: #fff;
  color: var(--org-resend-action-text);
  -webkit-text-fill-color: var(--org-resend-action-text);
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}
.organization-management .btn.org-user-resend:hover,
.organization-management .btn.org-user-resend:focus,
.organization-management .btn.org-user-resend:focus-visible,
.organization-management .btn.org-user-resend:active,
.organization-management .btn.org-user-resend.is-loading,
.organization-management .btn.org-user-resend[aria-busy="true"] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--org-resend-action-text);
  -webkit-text-fill-color: var(--org-resend-action-text);
  opacity: 1;
}
.organization-management .btn.org-user-resend:active { transform: translateY(1px); }
.organization-management .btn.org-user-resend:disabled,
.organization-management .btn.org-user-resend[disabled] {
  background: #94a3b8;
  border-color: #94a3b8;
  color: #0f172a;
  -webkit-text-fill-color: #0f172a;
  opacity: 1;
}
html[data-theme="dark"] .organization-management .btn.org-user-resend {
  --org-resend-action-text: #071b2c;
}
html[data-theme="dark"] .organization-management .btn.org-user-resend:disabled,
html[data-theme="dark"] .organization-management .btn.org-user-resend[disabled] {
  color: #0f172a;
  -webkit-text-fill-color: #0f172a;
}

.organization-management .org-user-resend-control {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.organization-management .org-user-resend-meta {
  display: grid;
  gap: 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.organization-management .org-user-resend-meta span {
  overflow-wrap: anywhere;
}

/* User Directory controls are scoped so Region and Store UI remain unchanged. */
.organization-management .org-user-directory {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.organization-management .org-user-provision-header,
.organization-management .org-user-provision-panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.organization-management .org-user-provision-panel-header {
  justify-content: space-between;
  margin-bottom: 12px;
}

.organization-management .org-user-provision-panel-header h3 {
  margin: 0;
}

.organization-management .org-user-directory-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
}

.organization-management .org-user-directory-controls label,
.organization-management .org-user-directory-page-size {
  display: grid;
  min-width: 138px;
  gap: 4px;
  color: var(--muted);
  font-size: 13px;
}

.organization-management .org-user-directory-search {
  flex: 1 1 260px;
}

.organization-management .org-user-directory-controls input,
.organization-management .org-user-directory-controls select,
.organization-management .org-user-directory-page-size select {
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--input-bg);
  color: var(--text);
}

.organization-management .org-user-directory-controls input:focus,
.organization-management .org-user-directory-controls select:focus,
.organization-management .org-user-directory-page-size select:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.organization-management .org-user-directory-scope-value[hidden] {
  display: none;
}

.organization-management .org-user-directory-summary,
.organization-management .org-user-directory-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.organization-management .org-user-directory-status {
  color: var(--muted);
  font-size: 13px;
}

.organization-management .org-user-directory-clear {
  padding: 5px 9px;
  font-size: 13px;
}

.organization-management .org-user-directory-pagination {
  justify-content: space-between;
}

.organization-management .org-user-directory-page {
  color: var(--muted);
  font-size: 13px;
}

.organization-management .org-user-directory .btn:disabled {
  opacity: 1;
}

.organization-management .org-user-directory-sort {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.organization-management .org-user-directory-sort:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.organization-management .org-user-directory-mobile-sort {
  display: none;
}

@media (max-width: 700px) {
  .organization-management .org-user-directory {
    min-width: 0;
    gap: 8px;
    padding: 12px;
  }

  .organization-management .org-user-directory-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: end;
    gap: 8px;
  }

  .organization-management .org-user-directory-controls label,
  .organization-management .org-user-directory-page-size {
    width: 100%;
    min-width: 0;
  }

  .organization-management .org-user-directory-search,
  .organization-management .org-user-directory-scope-type,
  .organization-management .org-user-directory-scope-value,
  .organization-management .org-user-directory-controls > .btn,
  .organization-management .org-user-directory-mobile-sort {
    grid-column: 1 / -1;
  }

  .organization-management .org-user-directory-controls input,
  .organization-management .org-user-directory-controls select,
  .organization-management .org-user-directory-page-size select {
    width: 100%;
    box-sizing: border-box;
    min-height: 44px;
  }

  .organization-management .org-user-directory-pagination .btn {
    width: 100%;
    min-height: 44px;
  }

  .organization-management .org-user-directory-controls > .btn {
    grid-column: 1 / -1;
    min-height: 44px;
  }

  .organization-management .org-user-directory .btn-primary {
    --org-directory-action-text: #fff;
    color: var(--org-directory-action-text);
    -webkit-text-fill-color: var(--org-directory-action-text);
    -webkit-tap-highlight-color: transparent;
  }

  .organization-management .org-user-directory .btn-primary:hover,
  .organization-management .org-user-directory .btn-primary:focus,
  .organization-management .org-user-directory .btn-primary:focus-visible,
  .organization-management .org-user-directory .btn-primary:active,
  .organization-management .org-user-directory .btn-primary[aria-busy="true"] {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--org-directory-action-text);
    -webkit-text-fill-color: var(--org-directory-action-text);
    opacity: 1;
  }

  html[data-theme="dark"] .organization-management .org-user-directory .btn-primary {
    --org-directory-action-text: #071b2c;
  }

  .organization-management .org-user-directory-mobile-sort {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .organization-management .org-user-directory-mobile-sort label {
    min-width: 0;
  }

  .organization-management .org-user-directory-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
  }

  .organization-management .org-user-directory-clear {
    width: auto;
    min-height: 36px;
    padding: 5px 9px;
    flex: 0 0 auto;
  }

  .organization-management .org-user-directory-pagination {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 8px;
  }

  .organization-management .org-user-directory-page-size {
    grid-column: 1 / -1;
  }

  .organization-management .org-user-directory-page {
    min-width: 0;
    text-align: center;
    overflow-wrap: anywhere;
  }

  .organization-management .org-user-card,
  .organization-management .org-user-card dl,
  .organization-management .org-user-card dl div,
  .organization-management .org-user-card dd,
  .organization-management .org-user-card-action {
    min-width: 0;
    max-width: 100%;
  }

  .organization-management .org-user-card h3,
  .organization-management .org-user-card p,
  .organization-management .org-user-card dt,
  .organization-management .org-user-card dd {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .organization-management .org-user-card dl div {
    grid-template-columns: minmax(78px, .7fr) minmax(0, 1.3fr);
  }
}

@media (max-width: 680px) {
  .organization-management .org-user-resend-control,
  .organization-management .btn.org-user-resend {
    width: 100%;
  }
}

.recipient-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
  min-width: 0;
}

.recipient-card-row {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 6px;
  min-width: 0;
}

.recipient-card-label {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 13px;
  min-width: 3.5em;
}

.recipient-card-email {
  word-break: break-all;
  overflow-wrap: anywhere;
  min-width: 0;
}

.recipient-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.recipient-card-actions .btn,
.recipient-card-actions .btn.btn-sm {
  white-space: nowrap;
  touch-action: manipulation;
}

.recipient-edit-row .recipient-inline-edit {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 0;
}

.recipient-edit-row .form-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.recipient-edit-row label {
  font-size: 13px;
  color: var(--muted);
}

.recipient-edit-row input {
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
}

.recipient-inline-edit-actions {
  display: flex;
  gap: 8px;
}

.recipient-inline-edit .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  min-height: 35px;
}

.recipient-inline-edit-panel {
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

@media (max-width: 768px) {
  .data-dense-container {
    width: auto;
    margin-left: 0;
    transform: none;
  }

  /* Desktop table hidden on mobile; cards shown instead */
  .recipient-table-wrap {
    display: none;
  }

  .recipient-cards {
    display: block;
    width: 100%;
    max-width: 100%;
  }

  /* Add-recipient form becomes single column */
  .recipient-add-form {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .recipient-add-form .form-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .recipient-add-form input {
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
  }

  .recipient-add-btn {
    width: 100%;
    justify-content: center;
    white-space: nowrap;
  }

  .security-filters { display: grid; grid-template-columns: 1fr; }
  .security-filters label { min-width: 0; }
  .security-filters .btn { width: 100%; }
  .security-table-wrap { display: none; }
  .security-cards { display: grid; }
}

/* Sales upload: stack file picker and Upload Data on narrow viewports */
@media (max-width: 480px) {
  .upload-file-row {
    flex-direction: column;
    align-items: stretch;
  }

  .upload-file-row input[type="file"],
  .upload-file-row .btn {
    width: 100%;
  }
}

/* ---------------------------------------------------------------------------
 * Trend display theme (Task 7B-5 Task 5)
 * Semantic classes are decoupled from colors so a future International
 * theme can flip positive/negative colors without touching templates.
 * Default `trend_display_mode = taiwan`: positive=red, negative=green.
 * ------------------------------------------------------------------------- */
.comparison-positive { color: var(--danger); }  /* Taiwan: 紅漲 */
.comparison-negative { color: var(--ok); }      /* Taiwan: 綠跌 */
.comparison-neutral  { color: var(--muted); }

.kpi-trend .kpi-sub {
  font-size: 14px;
  font-weight: normal;
  margin-top: 4px;
}

.pull-to-refresh {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 10px);
  left: 50%;
  z-index: 1200;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: calc(100vw - 32px);
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 4px 14px rgb(0 0 0 / 14%);
  font-size: 14px;
  line-height: 1.2;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -14px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.pull-to-refresh.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.pull-to-refresh__icon {
  color: var(--muted);
}

.pull-to-refresh.is-ready .pull-to-refresh__icon {
  color: var(--primary);
}

.pull-to-refresh.is-refreshing .pull-to-refresh__icon {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ai-spin 0.8s linear infinite;
  font-size: 0;
}