:root {
  --bg-page: #f3f4f6;
  --bg-app: #ffffff;
  --bg-sidebar: #f9fafb;
  --bg-hover: #eef2ff;
  --bg-selected: #e0f2fe;
  --border-subtle: #e5e7eb;
  --border-strong: #d1d5db;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --accent-strong: #1d4ed8;
  --text-main: #111827;
  --text-muted: #595959;
  --danger: #850000;
  --danger-soft: rgba(239, 68, 68, 0.1);
  --success: #083117;
  --success-soft: rgba(34, 197, 94, 0.1);
  --radius-lg: 14px;
  --radius-xl: 18px;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: linear-gradient(
      0deg,
      rgb(255 255 255) 20%,
      rgba(229, 229, 229, 1) 65%,
      rgb(255 255 255) 87%
    )
    fixed;
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 16px 16px;
}

.app-logo-bar {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto 0;
  text-align: left;
}

.app-logo-img {
  display: block;
  height: 185px;
  width: auto;
  max-width: 100%;
  margin: 0;
  margin-left: 36px;
}

.mail-app {
  width: 100%;
  max-width: 1200px;
  height: min(800px, calc(100vh - 32px));
  max-height: 800px;
  background: var(--bg-app);
  border-radius: 13px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  overflow: hidden;
  position: relative;
}

.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.sidebar-header {
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.app-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.app-title-main {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-title-emoji {
  font-size: 1.1rem;
  line-height: 1;
}

.unread-counter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--border-strong);
  font-size: 0.75rem;
  color: var(--text-main);
  white-space: nowrap;
}

.unread-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.9);
}

.unread-label {
  display: inline;
}

.unread-label-mobile {
  display: none;
}

.mail-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px 0 6px;
  user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

.mail-list::-webkit-scrollbar {
  width: 7px;
}

.mail-list::-webkit-scrollbar-track {
  background: transparent;
}

.mail-list::-webkit-scrollbar-thumb {
  background: #d4d4d8;
  border-radius: 999px;
}

.mail-item {
  padding: 7px 12px;
  display: block;
  cursor: pointer;
  font-size: 0.8rem;
  border-left: 2px solid transparent;
  background: #ffffff;
  transition: background 0.08s ease, border-left-color 0.08s ease;
}

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

.mail-item.selected {
  background: var(--bg-selected);
  border-left-color: var(--accent);
}

.mail-item.answered-correct {
  background: #dcfce7;
  border-left-color: #16a34a;
}

.mail-item.answered-wrong {
  background: #fee2e2;
  border-left-color: #dc2626;
}

.mail-item.selected.answered-correct {
  background: #bbf7d0;
}

.mail-item.selected.answered-wrong {
  background: #fecaca;
}

.mail-from {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex-shrink: 0;
}

.unread-indicator {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  flex-shrink: 0;
}

.mail-from-name {
  font-weight: 500;
}

.mail-from-name.unread {
  font-weight: 600;
}

.mail-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-end;
  justify-content: flex-start;
  flex-shrink: 0;
}

.mail-item-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.mail-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
}

.mail-from {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex-shrink: 1;
}

.mail-from-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mail-date {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.mail-second-row {
  margin-top: 2px;
}

.mail-subject {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mail-snippet-row {
  margin-top: 2px;
}

.mail-snippet {
  font-size: 0.75rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
}

.content {
  background: #ffffff;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.content-header {
  padding: 14px 18px 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.content-title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}

.content-from {
  font-size: 0.9rem;
  font-weight: 600;
}

.content-from .meta-label {
  margin-right: 4px;
  font-weight: 500;
  color: #303030;
}

.content-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.content-subject {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.content-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.content-meta-row .content-date {
  margin-left: auto;
  white-space: nowrap;
}

.meta-label {
  font-weight: 500;
  color: #303030;
}

.nw {
  white-space: nowrap;
}

.hover-address {
  position: relative;
  border-bottom: 1px dashed rgba(107, 114, 128, 0.9);
  cursor: help;
  padding-bottom: 1px;
}

.hover-address::after {
  content: attr(data-address);
  position: absolute;
  left: 0;
  bottom: 120%;
  white-space: nowrap;
  background: #111827;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.7rem;
  border: 1px solid #e5e7eb;
  color: #f9fafb;
  box-shadow: 0 0 8px rgba(15, 23, 42, 0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 0.08s ease, transform 0.08s ease;
  z-index: 10;
}

.hover-address:hover::after {
  opacity: 1;
  transform: translateY(0);
}

.mail-list .hover-address {
  border-bottom: none;
  cursor: default;
}

.mail-list .hover-address::after {
  display: none;
}

.content-body-wrapper {
  flex: 1;
  padding: 10px 18px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

.content-body {
  flex: 1;
  background: #f9fafb;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  padding: 0;
  overflow: auto;
  font-size: 0.82rem;
  line-height: 1.45;
  min-height: 0;
}

.content-body::-webkit-scrollbar {
  width: 7px;
}

.content-body::-webkit-scrollbar-thumb {
  background: #d4d4d8;
  border-radius: 999px;
}

.mail-html {
  width: 100%;
  background: #ffffff;
  min-height: 100%;
  color: #111827;
  font-family: system-ui, sans-serif;
  user-select: none;
}

.mail-html-header {
  padding: 12px 18px;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: #f9fafb;
}

.mail-html-logo {
  font-weight: 600;
  font-size: 0.9rem;
  color: #111827;
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-pill {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
}

.logo-pill-yellow {
  background: #facc15;
  color: #111827;
}

.mail-action-bar {
  display: flex;
  gap: 8px;
  align-items: center;
}

.mail-html-body {
  padding: 18px 22px 22px;
}

.mail-html-body h1 {
  font-size: 1rem;
  margin: 0 0 10px;
}

.mail-html-body p {
  margin: 0 0 10px;
}

.mail-html-body ul {
  margin: 0 0 10px 18px;
  padding: 0;
}

.mail-html-button {
  display: inline-block;
  text-align: center;
  padding: 8px 22px;
  border-radius: 999px;
  border: 1px solid #2563eb;
  background: #ffffff;
  color: #2563eb;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  margin: 8px 0;
  cursor: pointer;
  line-height: 1.2;
  vertical-align: middle;
}

.mail-html-button:hover {
  background: #eef2ff;
}

.mail-html-button.hover-link,
.mail-html-button .hover-link {
  color: #2563eb;
  border-bottom: 1px solid #2563eb;
}

.hover-link {
  position: relative;
  border-bottom: 1px dashed rgba(37, 99, 235, 0.9);
  color: var(--accent-strong);
  text-decoration: none;
  cursor: pointer;
}
.hover-link:has(img) {
  border-bottom: none;
  padding-bottom: 0;
}
.address-tooltip {
  position: fixed;
  z-index: 9999;
  background: #111827;
  color: #f9fafb;
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.6);
  max-width: 260px;
  word-break: break-all;
}

.countdown-timer {
  font-weight: 700;
  color: #b91c1c;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
}

.footer-bar {
  padding: 8px 32px 12px;
  border-top: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  flex-wrap: wrap;
}

.footer-left {
  display: flex;
  gap: 8px;
  flex: 1 1 220px;
  max-width: 340px;
}

.footer-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.8rem;
  background: #ffffff;
  color: var(--text-main);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-strong);
  transition: background 0.08s ease, border-color 0.08s ease,
    box-shadow 0.08s ease;
  user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

.btn span.icon {
  font-size: 1rem;
  margin-top: -1px;
}

.btn:hover {
  background: #e5e7eb;
  box-shadow: 0 2px 5px rgba(148, 163, 184, 0.5);
}

.btn-primary {
  background: linear-gradient(135deg, #21007c, #4338ca);
  color: #ffffff;
  border-color: transparent;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #4321ab, #291dd7);
}

.btn-primary-soft {
  background: #eff6ff;
  color: var(--accent-strong);
  border-color: rgba(37, 99, 235, 0.8);
}

.btn-primary-soft:hover {
  background: #dbeafe;
  box-shadow: 0 2px 5px rgba(37, 99, 235, 0.35);
}

.btn-neutral {
  background: #ffffff;
  color: var(--success);
  border-color: rgba(22, 163, 74, 0.5);
  box-shadow: none;
}

.btn-neutral:hover {
  background: #dcfce7;
}

.btn-danger {
  background: #ffffff;
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.6);
  box-shadow: none;
}

.btn-danger:hover {
  background: #fee2e2;
}

.btn-ghost {
  border-style: dashed;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding-inline: 10px;
  background: transparent;
  box-shadow: none;
}

.btn:focus {
  outline: none;
}

.feedback {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.feedback-box {
  font-size: 0.8rem;
  padding: 10px 12px 0px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: #ffffff;
  margin-bottom: 10px;

  display: flex;
  align-items: stretch;
  gap: 12px;
}
.feedback-box::after {
  content: "";
  display: block;
  clear: both;
}

.feedback-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.feedback-image {
  width: auto;
  height: auto;
  max-width: 140px;
  max-height: 160px;
  align-self: flex-end;
}

.mail-html .feedback-box {
  margin: 8px 18px 10px;
  user-select: none;
}

.feedback-box.correct {
  border-color: rgba(22, 163, 74, 0.4);
  background: var(--success-soft);
  color: var(--success);
}

.feedback-box.wrong {
  border-color: rgba(239, 68, 68, 0.5);
  background: var(--danger-soft);
  color: var(--danger);
}

.feedback-header {
  display: block;
  margin-bottom: 4px;
}

.feedback-icon {
  display: none;
}

.feedback-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.feedback-summary {
  font-size: 0.78rem;
}

.feedback-body {
  font-size: 0.78rem;
  margin-bottom: 4px;
}

.feedback-tags {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding-bottom: 10px;
}

.feedback-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  background: #ffffff;
  border: 1px solid var(--border-strong);
  color: #000;
}

.feedback-box.correct .feedback-tag {
  border-color: rgba(22, 163, 74, 0.5);
}

.feedback-box.wrong .feedback-tag {
  border-color: rgba(220, 38, 38, 0.5);
}

.result-image {
  float: right;
  width: 210px;
  margin-left: 18px;
  margin-bottom: 8px;
  -webkit-mask-image: linear-gradient(
      to right,
      transparent 0,
      #000 2px,
      #000 calc(100% - 2px),
      transparent 100%
    ),
    linear-gradient(
      to bottom,
      transparent 0,
      #000 2px,
      #000 calc(100% - 2px),
      transparent 100%
    );
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(
      to right,
      transparent 0,
      #000 2px,
      #000 calc(100% - 2px),
      transparent 100%
    ),
    linear-gradient(
      to bottom,
      transparent 0,
      #000 2px,
      #000 calc(100% - 2px),
      transparent 100%
    );
  mask-composite: intersect;
}

.shortcuts {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.score-box {
  font-size: 0.76rem;
  text-align: right;
  min-width: 160px;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(249, 250, 251, 0.78);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.overlay-card {
  background: #ffffff;
  padding: 20px 22px 16px;
  border-radius: 18px;
  max-width: 540px;
  width: 100%;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 380px;
  user-select: none;
}

#introOverlay .overlay-card {
  min-height: 720px;
  max-height: 720px;
  max-width: 720px;
}

#introOverlay #introBackBtn {
  display: none;
}
img.introimg,
img.introimgbig,
img.introimgsmall {
  margin-top: 22px;
  float: right;
  margin-left: 10px;
  margin-bottom: 5px;

  height: auto;

  -webkit-mask-image: linear-gradient(
      to right,
      transparent 0,
      #000 2px,
      #000 calc(100% - 2px),
      transparent 100%
    ),
    linear-gradient(
      to bottom,
      transparent 0,
      #000 2px,
      #000 calc(100% - 2px),
      transparent 100%
    );
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(
      to right,
      transparent 0,
      #000 2px,
      #000 calc(100% - 2px),
      transparent 100%
    ),
    linear-gradient(
      to bottom,
      transparent 0,
      #000 2px,
      #000 calc(100% - 2px),
      transparent 100%
    );
  mask-composite: intersect;
}

img.introimg {
  width: 200px;
  max-width: min(35%, 200px);
}

img.introimgbig {
  width: 300px;
  max-width: min(35%, 300px);
}

img.introimgsmall {
  width: 150px;
  max-width: min(35%, 150px);
}
span.highlighted {
  color: purple;
}
span.highlighted2 {
  color: rgb(128, 19, 0);
}
#resultOverlay, #urlTooltip{
  display: none;
}
#resultOverlay .overlay-card {
  display: block;
  max-width: 720px;
  padding: 24px 28px 22px;
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  margin: 0 16px;
  min-height: auto;
  text-align: left;
}

#resultOverlay .overlay-card::after {
  content: "";
  display: block;
  clear: both;
}

#resultOverlay .overlay-title {
  color: #21007c;
  font-size: 1.2em;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 20px;
}

#resultOverlay .overlay-subtitle {
  font-size: 0.9rem;
  color: #000000;
  margin-bottom: 18px;
  line-height: 1.4;
}

#resultDetails {
  margin-top: 4px;
  font-size: 0.9rem;
  color: #000000;
  line-height: 1.4;
  font-weight: 400;
}

#resultOverlay .overlay-footer {
  margin-top: 22px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
}

#resultOverlay .overlay-footer-buttons {
  display: flex;
  gap: 8px;
}

#resultAdviceList {
  margin-top: 6px;
  margin-bottom: 10px;
  font-size: 0.85rem;
  line-height: 1.4;
  color: #374151;
  padding-left: 18px;
}

#resultOverlay .overlay-footer-buttons .btn {
  font-size: 0.8rem;
  padding: 8px 14px;
}

.intro-logo {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 0 12px 0;
}

#introOverlay .overlay-title,
#introOverlay .overlay-subtitle {
  display: none;
}

#introOverlay #introSteps {
  flex: 1;
  overflow-y: visible;
  line-height: 1.4;
}

#introOverlay .intro-step h1 {
  color: #3710a3;
  font-size: 1.5em;
  margin-top: 0px;
  margin-bottom: 0px;
}

#introSteps {
  flex: 1;
}

.overlay-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.overlay-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.intro-step {
  display: none;
  font-size: 0.82rem;
  color: #374151;
}

.intro-step.active {
  display: block;
}

.intro-list {
  padding-left: 18px;
  margin: 8px 0;
}

.intro-list li {
  margin-bottom: 4px;
}

.form-table {
  display: grid;
  grid-template-columns: minmax(120px, 220px) 1fr;
  column-gap: 16px;
  row-gap: 8px;
  margin-top: 8px;
  font-size: 0.8rem;
}

.form-row {
  display: contents;
}

.form-label {
  text-align: right;
  align-self: center;
  font-weight: 500;
  color: #303030;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field-inline {
  flex-direction: row;
  gap: 8px;
}

.form-field input,
.form-field select {
  width: 100%;
  box-sizing: border-box;
  border-radius: 8px;
  border: 1px solid var(--border-strong, #d1d5db);
  padding: 6px 10px;
  font-size: 0.8rem;
  background-color: #f9fafb;
  min-height: 34px;
  outline: none;
}

.form-field input:focus,
.form-field select:focus {
  border-color: var(--accent-strong, #2563eb);
  box-shadow: 0 0 0 1px var(--accent-soft, rgba(37, 99, 235, 0.15));
}

.input-error {
  border-color: #dc2626 !important;
  box-shadow: 0 0 0 1px rgba(220, 38, 38, 0.3);
}

.form-field-3col {
  display: flex;
  flex-direction: row;
  gap: 8px;
}

.form-field-3col .field-group {
  flex: 1 1 0;
  display: flex;
  flex-direction: row;
  gap: 8px;
}

.form-field-3col .field-group-two select {
  flex: 0 0 90px;
  max-width: 110px;
}

.form-field-3col .field-group-two input {
  flex: 1 1 auto;
}

.form-field-3col .field-group-single input {
  flex: 1 1 auto;
}

.form-group input:focus {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.overlay-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.overlay-progress {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hint-small {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.result-list li {
  margin-bottom: 3px;
}

footer a {
  color: #575757;
  text-decoration: none;
  margin-right: 10px;
}
footer a:hover,
footer a:active {
  color: #000000;
}

.resize-handle {
  display: none;
}

.mail-item:nth-child(even):not(.answered-correct):not(.answered-wrong):not(
    .selected
  ) {
  background: #f5f5f5;
}

.mail-item.answered-correct {
  background: #dcfce7;
  border-left-color: #16a34a;
}

.mail-item.answered-wrong {
  background: #fee2e2;
  border-left-color: #dc2626;
}

.mail-item.answered-correct:nth-child(even):not(.selected) {
  background: #c8f5d4;
}

.mail-item.answered-wrong:nth-child(even):not(.selected) {
  background: #fed7d7;
}

@media (max-width: 900px) {
  html,
  body {
    height: 100%;
  }

  body {
    padding: 0;
    align-items: stretch;
    justify-content: flex-start;
    min-height: 100vh;
  }

  .app-logo-bar {
    max-width: 100%;
    padding: 4px 12px 0;
  }

  .app-logo-img {
    margin-left: 0;
    height: auto;
    max-width: 100%;
  }

  .mail-app {
    grid-template-columns: 1fr;
    border-radius: 0;
    height: auto;
    max-height: none;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
  }

  .sidebar {
    height: 320px;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
  }

  .content {
    flex: 1 1 auto;
    min-height: 150px;
  }

  .resize-handle {
    height: 10px;
    flex-shrink: 0;
    cursor: row-resize;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: none;
  }

  .resize-handle::before {
    content: "";
    width: 40px;
    height: 3px;
    border-radius: 999px;
    background: #9ca3af;
  }

  .overlay-card {
    border-radius: 0;
    max-width: none;
  }
  #resultOverlay .result-image {
    width: auto;
    max-width: 35%;
    height: auto;
  }
  .score-box {
    display: none;
  }

  .unread-label-desktop {
    display: none;
  }

  .unread-label-mobile {
    display: inline;
  }

  .intro-logo {
    width: 100%;
  }

  #introOverlay {
    align-items: center;
    justify-content: center;
  }

  #introOverlay .overlay-card {
    min-height: auto;
    max-height: calc(100vh - 24px);
    height: auto;
    margin: 12px 8px;
  }

  #introOverlay #introSteps {
    max-height: calc(100vh - 220px);
    overflow-y: auto;
  }
  #introOverlay .intro-step h1 {
    font-size: 1.2em;
  }
  #resultOverlay .overlay-title {
    font-size: 1.1em;
  }
}

@media (max-width: 700px) {
  .form-field-3col {
    flex-direction: column;
  }

  .form-field-3col .field-group {
    flex-direction: column;
  }

  .form-field-3col .field-group-two select {
    flex: 0 0 auto;
    max-width: none;
  }
  .form-label {
    text-align: left;
  }
  .form-table {
    grid-template-columns: 1fr;
  }

  .form-label {
    padding-top: 0;
    margin-bottom: 2px;
  }

  .form-field-inline {
    flex-direction: column;
  }

  .feedback-box {
    display: block;
    align-items: initial;
  }

  .feedback-content {
    display: block;
  }

  .feedback-image {
    float: right;
    display: block;
    max-width: min(140px, 30%);
    max-height: 160px;
    width: auto;
    height: auto;
    margin: 0 0 0 10px;
    -webkit-mask-image: linear-gradient(
      to bottom,
      #000 0%,
      #000 calc(100% - 4px),
      transparent 100%
    );
    mask-image: linear-gradient(
      to bottom,
      #000 0%,
      #000 calc(100% - 4px),
      transparent 100%
    );
  }

  .mail-html-header {
    flex-direction: column;
    align-items: stretch;
  }

  .mail-html-logo {
    width: 100%;
  }

  .mail-action-bar {
    width: 100%;
    margin-top: 6px;
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    gap: 6px;
    flex-wrap: nowrap;
  }

  .mail-action-bar .btn {
    font-size: 0.7rem;
    padding: 5px 10px;
    flex: 1 1 0;
    justify-content: center;
  }

  .mail-item-top {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
}

@media (max-width: 500px) {
  .feedback-image {
    display: none;
  }
}