:root {
  color-scheme: dark;
  --bg: #101419;
  --panel: #171d24;
  --panel-2: #202832;
  --line: #34404d;
  --text: #f3f0e8;
  --muted: #aeb7c2;
  --red: #ff4655;
  --cyan: #5ee4d6;
  --amber: #f0c36a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 42px;
  border: 1px solid var(--red);
  border-radius: 6px;
  background: var(--red);
  color: #fff;
  padding: 10px 14px;
  font-weight: 800;
  cursor: pointer;
}

button.secondary {
  border-color: var(--line);
  background: var(--panel-2);
}

button.danger {
  border-color: #7b2b34;
  color: #ffb8bf;
  background: #24161b;
}

button:disabled {
  cursor: wait;
  opacity: 0.62;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  background: #0d1116;
  padding: 11px 12px;
}

textarea {
  resize: vertical;
}

label,
.picker-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.hidden {
  display: none !important;
}

.proposal-app {
  width: min(1420px, 100%);
  margin: 0 auto;
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
}

.topbar h1 {
  margin-bottom: 8px;
  font-size: clamp(30px, 4vw, 44px);
}

.lead,
.status {
  color: var(--muted);
}

.summary {
  min-width: 132px;
  display: grid;
  gap: 2px;
  justify-items: end;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.summary strong {
  color: var(--cyan);
  font-size: 28px;
}

.summary span {
  color: var(--muted);
  font-size: 12px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(580px, 1fr) 420px;
  gap: 20px;
}

.panel {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.url-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: end;
}

.status {
  min-height: 22px;
  margin: 0;
}

.status.error {
  color: #ff8c96;
}

.block-list {
  display: grid;
  gap: 14px;
}

.edit-block {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111820;
}

.block-head,
.panel-head,
.picker-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.block-head h3,
.panel-head h2 {
  margin: 0;
}

.block-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.icon-picker {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-color: var(--line);
  background: #0d1116;
  color: var(--text);
  text-align: left;
}

.icon-picker img,
.small-empty {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--panel-2);
}

.small-empty {
  display: grid;
  place-items: center;
}

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

.check-row input {
  width: auto;
}

.thumbnail-preview {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d1116;
}

.thumbnail-preview img,
.no-thumb {
  width: 150px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  background: #05080c;
}

.no-thumb {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 12px;
}

.thumb-meta {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 13px;
}

.thumb-meta strong {
  color: var(--text);
}

.export-panel {
  position: sticky;
  top: 20px;
  align-self: start;
}

.picker-dialog {
  width: min(760px, calc(100% - 28px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  color: var(--text);
  background: rgba(23, 29, 36, 0.98);
}

.picker-dialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
}

.picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(102px, 1fr));
  gap: 10px;
}

.picker-option {
  min-height: 104px;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 6px;
  border-color: var(--line);
  background: #0d1116;
  color: var(--text);
  padding: 8px;
}

.picker-option.active {
  border-color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.picker-option img,
.picker-option .no-icon {
  width: 54px;
  height: 54px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--panel-2);
}

.picker-option .no-icon {
  display: grid;
  place-items: center;
  color: var(--cyan);
}

.picker-option span {
  width: 100%;
  text-align: center;
  overflow-wrap: anywhere;
  line-height: 1.18;
  font-size: clamp(10px, 1.2vw, 12px);
}

@media (max-width: 980px) {
  .proposal-app {
    padding: 18px;
  }

  .topbar,
  .layout,
  .url-row,
  .grid-2,
  .thumbnail-preview {
    display: block;
  }

  .summary,
  .export-panel,
  .url-row button,
  .grid-2 label + label,
  .grid-2 .picker-field + .picker-field {
    margin-top: 14px;
  }

  .export-panel {
    position: static;
  }
}