:root {
  --bg: #f6f6f4;
  --panel: #ffffff;
  --text: #202124;
  --muted: #7b7f86;
  --line: #d7d9dc;
  --blue: #014bf9;
  --green: #188038;
  --red: #c5221f;
  --yellow: #fff4b8;
  --thumb-background: #fff0a6;
  --thumb-color: #d99a00;
  --thumb-hover-color: #d99a00;
  --panel-background: rgba(255, 255, 255, 0.92);
  --neutral-background: #e5e7e9;
  --neutral-text: #6b7076;
  --inactive-text: #858b92;
  --disabled-background: #eef0f1;
  --loading-background: #eceff1;
  --shadow: 0 16px 45px rgba(32, 33, 36, 0.08);
  font-family: "Aptos", "Segoe UI", sans-serif;
}

:root[data-theme="night"] {
  color-scheme: dark;
  --bg: #000000;
  --panel: #000000;
  --panel-background: #000000;
  --text: #f2f2f2;
  --muted: #b5b8bd;
  --line: #454545;
  --yellow: #ffc90e;
  --thumb-background: var(--yellow);
  --thumb-color: #644b00;
  --thumb-hover-color: var(--yellow);
  --neutral-background: #262626;
  --neutral-text: #d0d2d5;
  --inactive-text: #c0c4c9;
  --disabled-background: #1c1c1c;
  --loading-background: #303030;
}

:root[data-theme="night"] :is(.tab.active, .item.selected, .label-chip.active) {
  color: #202124;
}

:root[data-theme="night"] .item.selected :is(.date, .thread-size, .recent-threads, .attachment-chip) {
  color: #555960;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: radial-gradient(circle at top left, var(--panel) 0, var(--bg) 34rem);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  min-height: 38px;
  padding: 0 14px;
}

button:hover {
  border-color: #9aa0a6;
}

.app-header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(16px, 4vw, 42px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand h1 {
  margin: 0;
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.brand p {
  margin: 1px 0 0;
  color: #b1b5ba;
  font-size: 0.72rem;
  line-height: 1.1;
}

.logo {
  display: block;
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.tabs {
  display: flex;
  gap: 8px;
}

.app-tabs {
  margin: 0 0 12px;
}

.connection-toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.connection-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.connection-toggle[aria-checked="true"] .connection-dot {
  background: var(--red);
}

.tab.active,
.item.selected,
.page-button.current {
  background: var(--yellow);
  border-color: #ead77a;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 28px;
}

.login-panel,
.panel {
  background: var(--panel-background);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 20px;
}

.login-panel {
  max-width: 520px;
  margin: 50px auto;
}

.login-panel h2 {
  margin: 0 0 18px;
}

.login-form,
.toolbar {
  display: grid;
  gap: 12px;
}

.login-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.check-row {
  grid-template-columns: auto 1fr;
  align-items: center;
}

input,
select {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  color: var(--text);
  background: var(--panel);
}

input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.toolbar {
  grid-template-columns: minmax(180px, 2fr) minmax(150px, 1fr) minmax(180px, 1fr) auto auto auto auto;
  align-items: center;
}

#sendersPanel .toolbar {
  grid-template-columns: minmax(220px, 1fr) auto auto auto;
}

.icon-button {
  width: 38px;
  padding: 0;
  color: var(--red);
  font-size: 1.2rem;
}

.sender-filter-wrap {
  position: relative;
  display: flex;
}

.sender-filter-wrap input {
  width: 100%;
  padding-right: 26px;
}

.sender-clear-button {
  position: absolute;
  top: 50%;
  right: 4px;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  min-height: 0;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
}

.sender-filter-wrap:hover .sender-clear-button:not([hidden]) {
  display: flex;
}

.sender-clear-button:hover {
  background: var(--neutral-background);
  color: var(--red);
}

.thumb-toggle {
  width: 38px;
  min-height: 38px;
  padding: 0;
  font-family: "Segoe UI Symbol", sans-serif;
}

.thumb-toggle[aria-checked="false"] {
  border-color: #c9cdd1;
  color: var(--inactive-text);
  background-color: var(--neutral-background);
  opacity: 0.62;
}

.thumb-toggle[aria-checked="true"] {
  border-color: #e0b400;
  color: var(--thumb-color);
  background-color: var(--thumb-background);
  opacity: 1;
}

.thumb-toggle[aria-checked="false"]:is(:hover, :focus-visible):not(:disabled) {
  border-color: var(--thumb-hover-color);
  color: var(--thumb-hover-color);
  opacity: 1;
}

.thumb-toggle[aria-checked="true"]:is(:hover, :focus-visible):not(:disabled) {
  opacity: 0.85;
}

.thumb-toggle:disabled {
  cursor: wait;
}

.thread-trash-button,
.sender-trash-button {
  justify-self: center;
  border-color: #c9cdd1;
  color: var(--neutral-text);
  background-color: var(--neutral-background);
  opacity: 0.85;
}

.thread-trash-button:hover:not(:disabled),
.sender-trash-button:hover:not(:disabled) {
  color: var(--red);
  opacity: 1;
}

.thread-trash-button:disabled,
.sender-trash-button:disabled {
  color: #b9bcbf;
  background-color: var(--disabled-background);
  opacity: 0.5;
  cursor: not-allowed;
}

.page-trash-toggle {
  width: 30px;
  min-height: 30px;
  justify-self: center;
  font-size: 0.82rem;
  padding: 0;
  border-color: #c9cdd1;
  color: var(--inactive-text);
  background-color: var(--neutral-background);
  opacity: 0.62;
}

.page-trash-toggle:hover:not(:disabled) {
  color: var(--red);
  opacity: 1;
}

.page-trash-toggle.has-selection {
  color: #ffffff;
  background: var(--red);
  border-color: var(--red);
  opacity: 1;
}

.page-trash-toggle:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.danger {
  color: #ffffff;
  background: var(--red);
  border-color: var(--red);
}

.settings-group {
  margin: 12px 0 20px;
}

.settings-group h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
}

.setting-toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.setting-toggle {
  flex: 0 0 44px;
  width: 44px;
  height: 26px;
  min-height: 26px;
  padding: 3px;
  border-radius: 999px;
  background: var(--neutral-background);
}

.setting-toggle span {
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--neutral-text);
}

.setting-toggle[aria-checked="true"] {
  background: var(--blue);
  border-color: var(--blue);
}

.setting-toggle[aria-checked="true"] span {
  transform: translateX(18px);
  background: #ffffff;
}

.setting-toggle:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

.settings-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin-bottom: 10px;
}

.sync-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.cache-actions {
  display: grid;
  grid-template-columns: max-content 1fr;
  align-items: center;
  column-gap: 12px;
  row-gap: 14px;
  margin-bottom: 12px;
}

.cache-count {
  color: var(--muted);
  font-size: 0.9rem;
}

.sync-actions label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sync-status {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 16px 0 0;
}

.sync-status dt {
  color: var(--muted);
  font-size: 0.85rem;
}

.sync-status dd {
  margin: 4px 0 0;
  font-weight: 600;
}

.message {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid #c4d7c8;
  border-radius: 6px;
  color: var(--green);
  background: #f0f8f1;
}

.message-text {
  flex: 1;
}

.message-close {
  min-height: auto;
  padding: 0 6px;
  border: 0;
  color: inherit;
  background: transparent;
  font-size: 1rem;
  line-height: 1.3;
}

.message-close:hover {
  opacity: 0.7;
}

.message.error {
  border-color: #e3b3b8;
  color: var(--red);
  background: #fbeced;
}

.message.pending {
  border-color: #ead77a;
  color: #7a5a00;
  background: var(--yellow);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(32, 33, 36, 0.45);
  backdrop-filter: blur(4px);
}

.modal {
  width: min(440px, 100%);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.modal-title {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.modal-message {
  margin: 0 0 20px;
  color: var(--text);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.loading {
  height: 3px;
  margin: 6px 0;
  overflow: hidden;
  border-radius: 999px;
  background: transparent;
}

.loading::after {
  display: block;
  width: 36%;
  height: 100%;
  content: "";
  background: transparent;
}

.loading.active {
  background: var(--loading-background);
}

.loading.active::after {
  background: var(--blue);
  animation: slide 1s infinite ease-in-out;
}

@keyframes slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(280%); }
}

.result-summary,
.selection-row {
  margin: 14px 0;
  color: var(--muted);
}

.result-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.thread-result-summary {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr) max-content;
  align-items: start;
  gap: 12px;
}

.thread-result-count {
  padding-top: 5px;
  white-space: nowrap;
}

.selection-row,
.select-all {
  display: flex;
  align-items: center;
  gap: 8px;
}

.select-all {
  margin: 0;
}

.select-all input,
.header-checkbox,
.thread-checkbox,
.sender-checkbox {
  margin: 0;
}

input[type="checkbox"] {
  min-height: auto;
  padding: 0;
  cursor: pointer;
}

.list-header {
  display: grid;
  gap: 10px;
  align-items: center;
  padding: 5px 8px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
  margin-top: 10px;
  line-height: 1.25;
}

.list-header > * {
  min-width: 0;
}

.thread-header {
  grid-template-columns: auto minmax(170px, 1fr) minmax(120px, 0.6fr) minmax(260px, 2fr) minmax(58px, auto) 30px 30px 28px;
}

.sender-header {
  grid-template-columns: auto minmax(180px, 1fr) minmax(260px, 1.6fr) minmax(120px, 0.8fr) 30px 30px 28px;
}

.col-header {
  color: var(--muted);
}

.col-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.col-header-spacer {
  display: block;
}

.page-keep-toggle {
  width: 30px;
  min-height: 30px;
  font-size: 0.82rem;
}

.selection-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px 5px 10px;
  border-color: #c8d8f0;
  border-radius: 999px;
  color: #24558f;
  background: #e8f0fe;
  font-size: 0.8rem;
  font-weight: 700;
}

.selection-tag:hover {
  border-color: #9ebce4;
  background: #dce8fa;
}

.selection-tag-close {
  line-height: 1;
}

.selected-labels {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}

.thread-result-summary .selected-label-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 4px 9px;
  border: 1px solid #d88f96;
  border-radius: 999px;
  color: #8f1715;
  background: #f8d7da;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.2;
}

.thread-result-summary .selected-label-tag:hover:not(:disabled) {
  border-color: #c96f78;
  background: #f3c4c8;
}

.thread-result-summary .selected-label-tag span {
  color: inherit;
}

.thread-result-summary .selection-tag {
  justify-self: end;
}

.metric {
  display: inline-grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  color: #2f7d45;
  background: #e4f4e8;
  font-weight: 700;
  font-size: 0.82rem;
}

.result-summary span {
  color: var(--green);
  font-weight: 700;
}

.list {
  display: grid;
  gap: 0;
}

.item {
  display: grid;
  grid-template-columns: auto minmax(170px, 1fr) minmax(120px, 0.6fr) minmax(260px, 2fr) minmax(58px, auto) 30px 30px 28px;
  gap: 10px;
  align-items: center;
  padding: 5px 8px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  line-height: 1.25;
  background: var(--panel);
}

.item > * {
  min-width: 0;
}

.thread-checkbox.kept-placeholder {
  visibility: hidden;
}

.sender-item {
  grid-template-columns: auto minmax(180px, 1fr) minmax(260px, 1.6fr) minmax(120px, 0.8fr) 30px 30px 28px;
}

.thread-keep-toggle,
.sender-whitelist-toggle,
.thread-trash-button,
.sender-trash-button {
  width: 30px;
  min-height: 30px;
  justify-self: center;
  font-size: 0.82rem;
}

.thread-size {
  color: #9aa0a6;
  font-size: 0.66rem;
  text-align: center;
  white-space: nowrap;
}

.sender-link,
.item:not(.sender-item) .sender-link {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-self: stretch;
  min-width: 0;
  color: var(--blue);
}

.sender-link:visited {
  color: var(--blue);
}

.subject,
.sender-name {
  font-weight: 700;
}

.subject {
  color: inherit;
  text-decoration: none;
}

.subject:hover {
  text-decoration: underline;
}

.sender-name {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sender-email {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.thread-details {
  min-width: 0;
}

.subject-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.labels {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 3px;
}

.label-chip {
  display: inline-block;
  min-height: auto;
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.2;
}

.attachment-chip {
  color: var(--muted);
  background: transparent;
  font-family: "Segoe UI Symbol", sans-serif;
  font-size: 0.82rem;
}

.label-chip.active {
  border-color: #ead77a;
  color: var(--text);
  background: var(--yellow);
}

.date {
  color: var(--muted);
  font-size: 0.9rem;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.page-button {
  color: var(--red);
}

.page-button.load-more-button {
  font-weight: 500;
}

.pagination-ellipsis {
  color: var(--muted);
  user-select: none;
  padding: 0 4px;
}

.link-button {
  padding: 0;
  min-height: auto;
  border: 0;
  color: var(--blue);
  background: transparent;
}

footer {
  color: var(--muted);
  font-size: 0.9rem;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1024px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .tabs {
    width: 100%;
    flex-wrap: wrap;
  }

  .tabs .tab {
    flex: 1 1 auto;
  }

  .connection-toggle {
    margin-left: 0;
  }

  /* Search / reset / keep / page-size stay on one row, search fills the rest. */
  .toolbar {
    grid-template-columns: minmax(0, 1fr) 38px 38px 76px;
  }

  #searchInput,
  #labelSelect,
  .sender-filter-wrap {
    grid-column: 1 / -1;
  }

  #sendersPanel .toolbar {
    grid-template-columns: minmax(0, 1fr) 38px 38px;
  }

  #senderSearchInput {
    grid-column: 1 / -1;
  }

  #pageSizeSelect {
    width: 76px;
    padding-right: 4px;
  }

  .list-header {
    display: none;
  }

  .list {
    gap: 10px;
  }

  .item,
  .sender-item {
    grid-template-columns: minmax(0, max-content) minmax(0, 1fr) minmax(30px, max-content) 30px 28px;
    grid-template-areas:
      "name    name    date    date    date"
      "email   size    size    size    size"
      "details details details details details"
      ".       .       keep    trash   metric";
    gap: 4px 6px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(32, 33, 36, 0.06);
  }

  .thread-checkbox,
  .sender-checkbox {
    display: none;
  }

  /* Let sender name and email become grid items so each sits on its own row. */
  .item > .sender-link,
  .item:not(.sender-item) .sender-link {
    display: contents;
  }

  .item .sender-name {
    grid-area: name;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .item .sender-email {
    grid-area: email;
  }

  .item > .date {
    grid-area: date;
    justify-self: end;
    white-space: nowrap;
  }

  .thread-size {
    grid-area: size;
    justify-self: start;
    align-self: center;
    text-align: left;
  }

  .thread-size::before {
    content: "- ";
  }

  .thread-details,
  .recent-threads {
    grid-area: details;
    margin-top: 2px;
  }

  .thread-keep-toggle,
  .sender-whitelist-toggle {
    grid-area: keep;
    justify-self: end;
  }

  .thread-trash-button,
  .sender-trash-button {
    grid-area: trash;
    justify-self: end;
  }

  .metric {
    grid-area: metric;
    justify-self: end;
  }
}

.sender-identity {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-self: stretch;
  min-width: 0;
}

.recent-threads {
  display: grid;
  min-width: 0;
  gap: 2px;
  color: var(--muted);
  font-size: 0.84rem;
}

.recent-thread {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}