:root {
  color-scheme: light;
  --bg: #f4f7f0;
  --panel: #ffffff;
  --border: #d7e3d1;
  --border-strong: #bdd2b3;
  --text: #202820;
  --muted: #5f6f5f;
  --accent: #0d4913;
  --accent-dark: #08330d;
  --header-accent: #176f22;
  --accent-hover: #147e1f;
  --accent-soft: #edf6e7;
  --accent-mid: #417505;
  --button-bg: #176f22;
  --button-hover: #0f5a19;
  --button-disabled-bg: #dce6d7;
  --button-disabled-border: #cad8c4;
  --button-disabled-text: #6f7d6d;
  --danger: #a13a30;
  --warn: #836000;
  --shadow: 0 14px 36px rgba(13, 73, 19, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

body::before {
  background: var(--accent);
  content: "";
  display: block;
  height: 6px;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--button-bg);
  border-radius: 6px;
  background: var(--button-bg);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  min-height: 36px;
  padding: 0 14px;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

button:disabled {
  border-color: var(--button-disabled-border);
  background: var(--button-disabled-bg);
  color: var(--button-disabled-text);
  cursor: not-allowed;
}

button:not(:disabled):hover {
  border-color: var(--button-hover);
  background: var(--button-hover);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(65, 117, 5, 0.22);
  outline-offset: 2px;
}

.shell {
  width: min(1280px, calc(100vw - 32px));
  margin: 24px auto 48px;
}

.topbar,
.section-head,
.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}

.topbar {
  background: var(--header-accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  padding: 18px 20px;
}

.brand-block {
  align-items: center;
  display: flex;
  gap: 20px;
  min-width: 0;
}

.company-logo {
  flex: 0 0 auto;
  height: auto;
  width: min(300px, 34vw);
}

.topbar-copy {
  border-left: 1px solid rgba(255, 255, 255, 0.32);
  min-width: 0;
  padding-left: 20px;
}

.tool-label {
  color: #cfe5a4;
  display: block;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 5px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: var(--accent-dark);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
}

h2 {
  color: var(--accent-dark);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
}

.topbar h1 {
  color: #fff;
}

.topbar p,
.status {
  color: var(--muted);
  margin-top: 4px;
}

.topbar p {
  color: rgba(255, 255, 255, 0.86);
}

.topbar > button {
  background: #f7fbf3;
  border-color: rgba(255, 255, 255, 0.72);
  color: var(--header-accent);
}

.topbar > button:not(:disabled):hover {
  background: #fff;
  border-color: #fff;
  color: var(--accent-dark);
}

.view-menu {
  align-items: center;
  display: flex;
  flex: 0 0 auto;
  justify-content: flex-end;
  position: relative;
}

.menu-button {
  align-items: center;
  background: #fff;
  border-color: rgba(255, 255, 255, 0.76);
  color: var(--header-accent);
  display: inline-flex;
  justify-content: center;
  min-height: 42px;
  padding: 0;
  width: 46px;
}

.menu-button:not(:disabled):hover {
  background: var(--accent-soft);
  border-color: #fff;
  color: var(--accent-dark);
}

.menu-icon {
  display: inline-grid;
  gap: 5px;
  width: 20px;
}

.menu-icon span {
  background: currentColor;
  border-radius: 999px;
  display: block;
  height: 2px;
}

.view-menu-list {
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(8, 51, 13, 0.18);
  min-width: 190px;
  padding: 6px;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 10;
}

.menu-item {
  background: #fff;
  border-color: transparent;
  color: var(--accent-dark);
  display: block;
  min-height: 40px;
  text-align: left;
  width: 100%;
}

.menu-item.is-active,
.menu-item[aria-current="page"] {
  background: var(--accent-soft);
  border-color: var(--border);
  color: var(--header-accent);
}

.menu-item:not(:disabled):hover {
  background: var(--accent-soft);
  border-color: var(--border);
  color: var(--accent-dark);
}

[hidden] {
  display: none !important;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(32, 40, 32, 0.04);
  margin-bottom: 16px;
  padding: 16px;
}

.upload-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(260px, 1fr) 160px;
}

label span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-bottom: 6px;
}

input[type="file"],
select {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  min-height: 38px;
  padding: 7px 9px;
  width: 100%;
}

.actions {
  justify-content: flex-start;
  margin-top: 14px;
}

.split {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(360px, 0.9fr) minmax(420px, 1.1fr);
}

.table-wrap {
  margin-top: 12px;
  max-height: 420px;
  overflow: auto;
}

table {
  border-collapse: collapse;
  min-width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

th {
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 12px;
  position: sticky;
  top: 0;
  z-index: 1;
}

td:last-child {
  white-space: normal;
}

.numeric {
  text-align: right;
}

.issue-warning {
  color: var(--warn);
}

.issue-blocking {
  color: var(--danger);
  font-weight: 700;
}

.result-summary {
  color: var(--muted);
  margin-top: 8px;
}

.result-table-wrap {
  max-height: 360px;
}

.history-status {
  min-height: 22px;
}

.history-table-wrap {
  max-height: 560px;
}

.filename-cell {
  color: var(--muted);
  max-width: 360px;
  min-width: 240px;
  white-space: normal;
  word-break: break-all;
}

.secondary-button {
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--header-accent);
  font-weight: 700;
  min-height: 38px;
  padding: 8px 10px;
}

.secondary-button:not(:disabled):hover {
  background: var(--accent-soft);
  border-color: var(--border-strong);
  color: var(--accent-dark);
}

@media (max-width: 860px) {
  .shell {
    width: min(100vw - 20px, 1280px);
    margin-top: 12px;
  }

  .topbar,
  .section-head,
  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .brand-block {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .company-logo {
    width: min(280px, 100%);
  }

  .topbar-copy {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.32);
    padding-left: 0;
    padding-top: 12px;
    width: 100%;
  }

  .view-menu {
    align-self: flex-end;
  }

  .menu-button {
    width: 46px;
  }

  .view-menu-list {
    width: min(260px, calc(100vw - 52px));
    min-width: 0;
  }

  .upload-grid,
  .split {
    grid-template-columns: 1fr;
  }
}