:root {
  font-family: Arial, Helvetica, sans-serif;
  color: #253242;
  background: #eef2f6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 860px;
  overflow: visible;
}

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 18px 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  font-weight: 600;
}

h2 {
  margin-bottom: 14px;
  font-size: 16px;
  font-weight: 600;
}

p,
label {
  color: #667487;
  font-size: 13px;
}

.layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.panel {
  background: #fff;
  border: 1px solid #dfe6ee;
  border-radius: 8px;
  padding: 14px 16px;
}

.wide {
  grid-column: 1 / -1;
}

.grid,
.file-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.offer-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
}

.span-2 {
  grid-column: 1 / -1;
}

.project-folder {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  color: #667487;
  font-size: 13px;
}

.project-folder a,
.history a {
  color: #1f83c5;
}

.file-list {
  display: grid;
  gap: 12px;
}

.file-picker {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

label {
  display: grid;
  gap: 6px;
}

input,
select {
  width: 100%;
  min-height: 38px;
  border: 1px solid #cfd8e3;
  border-radius: 6px;
  padding: 8px 10px;
  color: #253242;
  font: inherit;
  background: #fff;
}

input:focus,
select:focus {
  border-color: #2fc6f6;
  box-shadow: 0 0 0 3px rgba(47, 198, 246, 0.16);
  outline: none;
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

button,
.button {
  min-height: 38px;
  border: 1px solid #b8c7d7;
  border-radius: 6px;
  padding: 8px 14px;
  color: #253242;
  font: inherit;
  text-decoration: none;
  background: #fff;
  cursor: pointer;
}

.primary {
  border-color: #2fc6f6;
  color: #fff;
  background: #2fc6f6;
}

.icon-link.disabled {
  pointer-events: none;
  opacity: 0.55;
}

.status {
  border-radius: 999px;
  padding: 6px 10px;
  color: #fff;
  font-size: 12px;
  background: #8a99aa;
}

.status.ok {
  background: #39a86a;
}

.status.error {
  background: #d84f4f;
}

.history {
  display: grid;
  gap: 8px;
}

@media (max-width: 760px) {
  .layout,
  .grid,
  .file-row,
  .offer-grid,
  .file-picker {
    grid-template-columns: 1fr;
  }

  .topbar,
  .actions,
  .project-folder {
    align-items: stretch;
    flex-direction: column;
  }
}