/* 闪码串口助手 · 独立页面样式
   复用 styles.css 中的 CSS 变量（--brand / --bg-* / --text-* 等），
   所有规则限定在 .serial-app 命名空间内，避免与主站样式冲突。 */

.serial-page {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
}

.serial-app {
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

/* ---------- 顶栏 ---------- */
.serial-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  padding: 12px clamp(16px, 2vw, 28px);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-weak);
  position: relative;
  z-index: 10;
}

.serial-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.serial-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  overflow: hidden;
}

.serial-brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.serial-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.serial-brand-text strong {
  font-size: 16px;
  font-weight: 800;
}

.serial-brand-text small {
  color: var(--text-tertiary);
  font-size: 12px;
}

.serial-topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.serial-status {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 650;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-weak);
}

.serial-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 6px;
  background: var(--text-tertiary);
}

.serial-status[data-tone="good"] {
  background: var(--teal-light);
  color: var(--teal-text);
  border-color: var(--teal-border);
}

.serial-status[data-tone="good"]::before {
  background: var(--teal);
}

.serial-status[data-tone="bad"] {
  background: var(--red-light);
  color: var(--red-text);
  border-color: var(--red-border);
}

.serial-status[data-tone="bad"]::before {
  background: var(--red);
}

.serial-back {
  font-size: 13px;
  color: var(--brand-text);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--brand-border);
  transition: background var(--tr), border-color var(--tr);
}

.serial-back:hover {
  background: var(--brand-light);
}

/* ---------- 不兼容提示 ---------- */
.serial-unsupported {
  width: min(1600px, calc(100% - 44px));
  margin: 16px auto 0;
  padding: 12px 16px;
  border-radius: var(--r-md);
  background: var(--red-light);
  border: 1px solid var(--red-border);
  color: var(--red-text);
  font-size: 13px;
  line-height: 1.7;
}

.serial-unsupported strong {
  display: block;
  margin-bottom: 2px;
}

/* ---------- 主体三栏 ---------- */
.serial-body {
  display: grid;
  grid-template-areas: "connect record send";
  grid-template-columns: minmax(230px, 0.72fr) minmax(520px, 2fr) minmax(290px, 0.9fr);
  grid-template-rows: minmax(0, 1fr);
  gap: 14px;
  width: min(1600px, 100%);
  min-height: 0;
  margin: 0 auto;
  padding: 14px clamp(14px, 1.7vw, 26px) 20px;
  align-items: stretch;
  overflow: hidden;
  overscroll-behavior: contain;
  overflow-anchor: none;
}

.serial-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  min-height: 0;
}

.serial-col-connect {
  grid-area: connect;
  overflow: auto;
}

.serial-col-record {
  grid-area: record;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.serial-col-send {
  grid-area: send;
  overflow: auto;
}

.serial-col-connect > .serial-card,
.serial-col-send > .serial-card {
  box-shadow: none;
}

.serial-col-connect > .serial-card,
.serial-col-send > .serial-card {
  flex: 1;
  min-height: 0;
}

/* ---------- 卡片 ---------- */
.serial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-weak);
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 8px 24px rgba(27, 35, 56, 0.05);
}

.serial-card-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

/* ---------- 表单字段（精简版，自包含不依赖主站 .field） ---------- */
.serial-card .field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.serial-card .field > span {
  font-weight: 600;
}

.serial-card .field.compact {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.serial-card input,
.serial-card select,
.serial-card textarea {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font);
  transition: border-color var(--tr);
  box-sizing: border-box;
}

.serial-card input:focus,
.serial-card select:focus,
.serial-card textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-light);
}

.serial-card textarea {
  resize: vertical;
  font-family: var(--mono);
  line-height: 1.5;
}

/* ---------- 连接设置网格 ---------- */
.serial-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.serial-controls .field:first-child {
  grid-column: 1 / -1;
}

/* ---------- 按钮 ---------- */
.serial-app .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background var(--tr), border-color var(--tr), color var(--tr), opacity var(--tr);
}

.serial-app .btn:hover:not(:disabled) {
  background: var(--bg-hover);
}

.serial-app .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.serial-app .btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.serial-app .btn-primary:hover:not(:disabled) {
  background: var(--brand-text);
  border-color: var(--brand-text);
}

.serial-app .btn-danger {
  background: var(--red, #e24b4a);
  border-color: var(--red, #e24b4a);
  color: #fff;
}

.serial-app .btn-danger:hover:not(:disabled) {
  background: var(--red-text);
  border-color: var(--red-text);
}

.serial-app .btn-ghost {
  background: transparent;
  border-color: var(--border-weak);
  color: var(--text-secondary);
  padding: 7px 11px;
}

.serial-app .btn.active {
  background: var(--red-light);
  border-color: var(--red-border);
  color: var(--red-text);
}

.serial-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  margin-bottom: 0;
}

.serial-actions .btn {
  flex: 1;
  width: 100%;
}

/* ---------- 信号开关 ---------- */
.serial-signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 2px;
}

.serial-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.serial-check input {
  width: 15px;
  height: 15px;
  min-height: 0;
  padding: 0;
  flex: 0 0 15px;
  accent-color: var(--brand);
}

/* ---------- 收发记录区 ---------- */
.serial-record-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 0;
  padding: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.serial-record-toolbar {
  display: grid;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-weak);
  background: var(--bg-surface);
}

.serial-record-toolbar-main,
.serial-record-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex-wrap: wrap;
}

.serial-record-heading {
  margin-right: auto;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 800;
}

.serial-record-toolbar-actions {
  flex-wrap: nowrap;
}

.serial-toolbar-spacer {
  flex: 1;
}

.serial-search {
  flex: 1;
  min-width: 100px;
  padding: 7px 10px !important;
  font-size: 12px !important;
}

.serial-record-list {
  flex: 1;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: 0;
  max-height: none;
  overflow: auto;
  padding: 12px 14px;
  box-sizing: border-box;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  background: var(--bg-page);
}

.serial-send-dock {
  flex: 0 0 auto;
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--border-weak);
  background: var(--bg-surface);
}

.serial-send-input-field {
  grid-area: input;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0 6px 4px;
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  background: var(--bg-surface);
  overflow: hidden;
}

.serial-send-input-field legend {
  padding: 0 3px;
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 600;
}

.serial-send-input-field textarea {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
  margin: 0;
  padding: 3px 8px;
  resize: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.45;
}

.serial-send-dock-controls {
  display: grid;
  grid-template-columns: 116px minmax(90px, 120px) minmax(0, 1fr);
  grid-template-areas:
    "ending hex input"
    "ending timer buttons";
  grid-template-rows: 51px 51px;
  gap: 8px;
  align-items: stretch;
}

.serial-send-check {
  justify-content: center;
  min-height: 30px;
  padding: 0 5px;
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
}

.serial-send-format,
.serial-repeat-field {
  grid-area: hex;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  margin: 0;
  padding: 0 6px 4px;
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  background: var(--bg-surface);
}

.serial-repeat-field {
  grid-area: timer;
}

.serial-send-format:has(input:checked) {
  border-color: var(--brand-border);
  background: var(--brand-light);
  color: var(--brand-text);
}

.serial-line-ending {
  grid-area: ending;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  min-width: 0;
  min-height: 106px;
  margin: 0;
  padding: 5px 10px 7px;
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  background: var(--bg-surface);
}

.serial-send-format legend,
.serial-repeat-field legend,
.serial-line-ending legend {
  padding: 0 3px;
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 600;
}

.serial-line-ending .serial-check {
  gap: 5px;
  color: var(--text-primary);
  font-size: 12px;
  line-height: 1.3;
}

.serial-line-ending code {
  font-family: var(--mono);
}

.serial-send-dock .field {
  min-width: 0;
}

.serial-repeat-field input {
  width: 100%;
  min-height: 30px;
  padding: 4px 6px;
  border: 0;
  background: transparent;
}

.serial-send-dock .field > span {
  display: block;
  margin-bottom: 4px;
  color: var(--text-tertiary);
  font-size: 11px;
}

.serial-send-dock input,
.serial-send-dock select {
  min-height: 34px;
  padding: 6px 8px;
  font-size: 12px;
}

.serial-send-dock .serial-check input {
  width: 15px;
  height: 15px;
  min-height: 0;
  padding: 0;
}

.serial-send-dock .serial-send-buttons {
  grid-column: 2 / 4;
  grid-row: 2;
  align-self: end;
  min-width: 0;
  width: 40%;
  justify-self: end;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--r-sm);
  overflow: hidden;
}

.serial-send-dock .serial-send-buttons .btn {
  min-height: 34px;
  padding: 6px 10px;
  white-space: nowrap;
  border-radius: 0;
  border: 0;
}

.serial-send-dock .serial-send-buttons #serialSendBtn {
  background: var(--brand);
  color: #fff;
}

.serial-send-dock .serial-send-buttons #serialRepeatBtn {
  background: var(--brand-text);
  color: #fff;
}

.serial-send-dock .serial-send-buttons #serialSendBtn:hover:not(:disabled),
.serial-send-dock .serial-send-buttons #serialRepeatBtn:hover:not(:disabled) {
  filter: brightness(0.92);
}

.serial-send-dock .serial-send-buttons #serialRepeatBtn.active {
  background: var(--red, #e24b4a);
  color: #fff;
}

.serial-record {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 8px;
  width: 100%;
  align-items: baseline;
  padding: 3px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.035);
}

.serial-record-ts {
  color: var(--text-tertiary);
  font-size: 11px;
  white-space: nowrap;
}

.serial-record-dir {
  font-size: 10.5px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: var(--r-sm);
}

.serial-record-rx .serial-record-dir {
  background: var(--teal-light);
  color: var(--teal-text);
}

.serial-record-tx .serial-record-dir {
  background: var(--brand-light);
  color: var(--brand-text);
}

.serial-record-sys .serial-record-dir {
  background: var(--bg-subtle);
  color: var(--text-tertiary);
}

.serial-record-sys {
  color: var(--text-tertiary);
}

.serial-record-body {
  min-width: 0;
  white-space: pre-wrap;
  word-break: break-all;
}

.serial-record-body .rec-text {
  color: var(--text-primary);
}

.serial-record-tx .rec-text {
  color: var(--brand-text);
}

.serial-record-body .rec-hex {
  display: block;
  color: var(--text-tertiary);
  font-size: 11.5px;
  white-space: pre-wrap;
  word-break: break-all;
}

.serial-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  border-top: 1px solid var(--border-weak);
  background: var(--bg-surface);
  font-size: 12px;
  color: var(--text-tertiary);
}

.serial-stats > span {
  padding: 10px 12px;
  text-align: center;
}

.serial-stats > span + span {
  border-left: 1px solid var(--border-weak);
}

.serial-stats strong {
  color: var(--text-primary);
  font-family: var(--mono);
  font-weight: 700;
  margin-left: 4px;
}

.serial-send-buttons {
  display: flex;
  gap: 0;
}

.serial-send-buttons .btn {
  flex: 1;
}

/* ---------- 快捷指令 ---------- */
.serial-quick-card {
  box-sizing: border-box;
}

.serial-quick-card[open] {
  display: flex;
  flex-direction: column;
}

.serial-quick-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.serial-quick-summary::-webkit-details-marker {
  display: none;
}

.serial-quick-summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 4px;
  border-radius: 2px;
}

.serial-quick-chevron {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--tr);
}

.serial-quick-card[open] .serial-quick-chevron {
  transform: rotate(225deg);
}

.serial-quick-content {
  min-height: 0;
  margin-top: 12px;
  overflow: auto;
}

.serial-quick-form {
  display: grid;
  grid-template-columns: minmax(72px, 0.7fr) minmax(120px, 1.3fr) auto;
  gap: 8px;
  margin-bottom: 12px;
}

.serial-quick-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
}

.serial-quick-empty {
  margin: 4px 0;
  color: var(--text-tertiary);
  font-size: 12px;
  text-align: center;
}

.serial-quick-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--border-weak);
  border-radius: var(--r-sm);
  background: var(--bg-page);
}

.serial-quick-main {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  padding: 0;
  color: var(--text-primary);
  font-family: var(--font);
}

.serial-quick-main:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.serial-quick-main strong {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.serial-quick-main code {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.serial-quick-del {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-tertiary);
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
}

.serial-quick-del:hover {
  background: var(--red-light);
  color: var(--red-text);
}

.serial-quick-hint {
  margin: 10px 0 0;
  font-size: 11.5px;
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* ---------- Toast ---------- */
.serial-toast-stack {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  pointer-events: none;
}

.serial-toast {
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: var(--text-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.serial-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.serial-toast-ok {
  background: var(--teal);
}

.serial-toast-warn {
  background: #e8a13a;
}

.serial-toast-error {
  background: var(--red);
}

/* ---------- 响应式 ---------- */
@media (min-width: 1181px) {
  .serial-body {
    transition: grid-template-columns var(--tr);
  }

  .serial-body:has(.serial-quick-card:not([open])) {
    grid-template-columns: minmax(230px, 0.72fr) minmax(520px, 2fr) 48px;
  }

  .serial-col-send:has(.serial-quick-card:not([open])) {
    overflow: hidden;
  }

  .serial-quick-card:not([open]) {
    height: 100%;
    padding: 15px 10px;
  }

  .serial-quick-card:not([open]) .serial-quick-summary {
    height: 100%;
    flex-direction: column;
    justify-content: flex-start;
  }

  .serial-quick-card:not([open]) .serial-quick-summary > span:first-child {
    writing-mode: vertical-rl;
    letter-spacing: 0.12em;
  }
}

@media (max-width: 1180px) {
  .serial-body {
    grid-template-areas:
      "connect record"
      "send record";
    grid-template-columns: 290px minmax(0, 1fr);
    grid-template-rows: minmax(250px, 0.82fr) minmax(0, 1.18fr);
    overflow: hidden;
  }

  .serial-body:has(.serial-quick-card:not([open])) {
    grid-template-rows: minmax(250px, 1fr) auto;
  }

  .serial-col-connect,
  .serial-col-send {
    min-height: 0;
    overflow: auto;
  }

  .serial-col-connect > .serial-card {
    display: block;
  }

  .serial-col-connect .serial-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .serial-col-connect .serial-controls .field:first-child {
    grid-column: 1 / -1;
  }

  .serial-col-connect .serial-actions {
    margin-top: 14px;
    margin-bottom: 0;
  }

  .serial-col-connect .serial-signal-row {
    justify-content: flex-start;
  }

  .serial-col-record {
    grid-row: 1 / span 2;
  }

  .serial-quick-list {
    max-height: 150px;
  }
}

@media (max-width: 820px) {
  .serial-page {
    height: auto;
    min-height: 100dvh;
    overflow-x: hidden;
    overflow-y: auto;
  }

  .serial-app {
    height: auto;
    min-height: 100dvh;
    overflow: visible;
    display: block;
  }

  .serial-body {
    display: flex;
    flex-direction: column;
    min-height: auto;
    overflow: visible;
  }

  .serial-col-record {
    grid-row: auto;
  }

  .serial-col,
  .serial-col-connect,
  .serial-col-send {
    flex: none;
    min-height: auto;
    overflow: visible;
  }

  .serial-col-connect > .serial-card,
  .serial-col-send > .serial-card {
    flex: none;
    min-height: auto;
  }

  .serial-col-connect > .serial-card {
    display: block;
  }

  .serial-col-connect .serial-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .serial-col-connect .serial-controls .field:first-child {
    grid-column: 1 / -1;
  }

  .serial-col-connect .serial-actions {
    margin-top: 14px;
    margin-bottom: 0;
  }

  .serial-col-connect .serial-signal-row {
    justify-content: flex-start;
  }

  .serial-record-card {
    height: auto;
  }

  .serial-record-list {
    min-height: 420px;
    max-height: 58vh;
  }

  .serial-send-dock-controls {
    grid-template-columns: 110px minmax(86px, 110px) minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .serial-topbar {
    flex-wrap: wrap;
    padding: 12px 14px;
  }

  .serial-body {
    padding: 10px;
    gap: 10px;
  }

  .serial-controls {
    grid-template-columns: 1fr;
  }

  .serial-quick-form {
    grid-template-columns: 1fr;
  }

  .serial-record-toolbar {
    padding: 10px 12px;
  }

  .serial-record-toolbar-main {
    align-items: flex-start;
  }

  .serial-record-heading {
    width: 100%;
  }

  .serial-record-toolbar-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
  }

  .serial-search {
    grid-column: 1 / -1;
    width: 100%;
  }

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

  .serial-stats > span:nth-child(3) {
    border-left: 0;
  }

  .serial-stats > span:nth-child(n + 3) {
    border-top: 1px solid var(--border-weak);
  }

  .serial-send-dock-controls {
    grid-template-columns: 104px minmax(0, 1fr);
    grid-template-areas:
      "ending hex"
      "ending timer"
      "input input"
      "buttons buttons";
    grid-template-rows: 50px 50px 68px 42px;
  }

  .serial-send-dock .serial-send-buttons {
    grid-column: 1 / -1;
    grid-row: 4;
    width: 100%;
  }

  .serial-page,
  .serial-app {
    min-height: 100dvh;
  }

  .serial-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    min-height: 78px;
    padding: 10px 12px;
  }

  .serial-brand {
    min-width: 0;
    gap: 8px;
  }

  .serial-brand-mark {
    width: 36px;
    height: 36px;
  }

  .serial-brand-text {
    min-width: 0;
  }

  .serial-brand-text strong,
  .serial-brand-text small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .serial-brand-text strong {
    font-size: 15px;
  }

  .serial-brand-text small {
    font-size: 10px;
  }

  .serial-topbar-right {
    gap: 6px;
  }

  .serial-status,
  .serial-back {
    min-height: 40px;
    padding: 8px 10px;
  }

  .serial-card {
    border-radius: 14px;
  }

  .serial-controls input,
  .serial-controls select,
  .serial-record-toolbar select,
  .serial-search,
  .serial-quick-form input,
  .serial-send-dock input,
  .serial-send-dock textarea,
  .serial-actions .btn,
  .serial-record-toolbar-actions button {
    min-height: 44px;
  }

  .serial-record-list {
    min-height: 300px;
    max-height: 52vh;
  }

  .serial-send-dock-controls {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

@media (max-width: 350px) {
  .serial-brand-text small {
    display: none;
  }

  .serial-status {
    display: none;
  }

  .serial-back {
    font-size: 12px;
  }
}