:root {
  --bg0: #1a221c;
  --bg1: #243028;
  --panel: #2c3830;
  --panel-edge: #3d4f42;
  --text: #e8efe9;
  --muted: #9aaca0;
  --accent: #c4a35a;
  --accent-dim: #8f763f;
  --ok: #6bbf8a;
  --warn: #e0a05a;
  --err: #d96b6b;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --sans: "DM Sans", system-ui, sans-serif;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg0);
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 10% -10%, #3a4a38 0%, transparent 55%),
    radial-gradient(700px 400px at 100% 0%, #2a3530 0%, transparent 50%),
    linear-gradient(165deg, #1a221c, #121814 60%, #1c2620);
}

.top {
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem) 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
}

.auth-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.auth-guest, .auth-user {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.auth-email {
  font-size: 0.85rem;
  color: var(--muted);
}

.btn.ghost {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--panel-edge);
}

.auth-dialog {
  border: 1px solid var(--panel-edge);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  padding: 0;
  max-width: 400px;
  width: calc(100% - 2rem);
}

.auth-dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
}

.auth-form h2 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
}

.auth-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.brand {
  display: flex;
  gap: 0.9rem;
  align-items: center;
}

.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 6px;
  background:
    linear-gradient(90deg, var(--accent) 0 28%, transparent 28% 36%, var(--accent) 36% 64%, transparent 64% 72%, var(--accent) 72%);
  box-shadow: inset 0 0 0 2px var(--accent-dim);
}

.brand h1 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand p {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.layout {
  display: grid;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 2.5rem) 2.5rem;
  max-width: 1200px;
}

.panel {
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border: 1px solid var(--panel-edge);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem 1.25rem;
  backdrop-filter: blur(6px);
}

.panel h2 {
  margin: 0 0 0.9rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.panel h3 {
  margin: 0 0 0.6rem;
  font-size: 0.92rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
}

input, textarea {
  font: 500 0.95rem var(--mono);
  color: var(--text);
  background: var(--bg1);
  border: 1px solid var(--panel-edge);
  border-radius: 7px;
  padding: 0.55rem 0.65rem;
}

textarea {
  resize: vertical;
  min-height: 10rem;
}

input:focus, textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-color: var(--accent-dim);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1rem;
}

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

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tab {
  font: 600 0.85rem var(--sans);
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  cursor: pointer;
}

.tab.active {
  color: var(--text);
  border-color: var(--panel-edge);
  background: var(--bg1);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.field-hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

.hint {
  color: var(--muted);
  font-size: 0.82rem;
  margin: 0.75rem 0 1rem;
}

.hint code {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
}

.btn {
  font: 600 0.92rem var(--sans);
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.1rem;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn.primary {
  color: #1a1810;
  background: linear-gradient(180deg, #d4b56a, var(--accent));
}

.btn.primary:hover:not(:disabled) {
  filter: brightness(1.06);
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 9rem;
  padding: 1.25rem;
  border: 1.5px dashed var(--panel-edge);
  border-radius: var(--radius);
  background: var(--bg1);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--bg1) 70%, var(--accent-dim));
}

.dropzone strong { font-size: 1rem; }
.dropzone span { color: var(--muted); font-size: 0.85rem; }

.file-name {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  min-height: 1.2rem;
}

.results-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.results-head h2 { margin: 0; }

.badge {
  font: 600 0.75rem var(--sans);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge.ok { background: color-mix(in srgb, var(--ok) 25%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 25%, transparent); color: var(--warn); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.stat {
  background: var(--bg1);
  border: 1px solid var(--panel-edge);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
}

.stat .label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat .value {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 0.2rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr;
  gap: 1.25rem;
}

.table-wrap {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
}

.table-wrap th,
.table-wrap td {
  text-align: left;
  padding: 0.35rem 0.4rem;
  border-bottom: 1px solid var(--panel-edge);
}

.table-wrap th { color: var(--muted); font-weight: 500; }

.bars {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  max-height: 420px;
  overflow: auto;
  padding-right: 0.25rem;
}

.bar-row {
  background: var(--bg1);
  border: 1px solid var(--panel-edge);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
}

.bar-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.bar-track {
  display: flex;
  height: 1.35rem;
  border-radius: 4px;
  overflow: hidden;
  background: #1a201c;
}

.seg {
  display: flex;
  align-items: center;
  justify-content: center;
  font: 500 0.65rem var(--mono);
  color: #1a1810;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
}

.seg:nth-child(odd) { background: #c4a35a; }
.seg:nth-child(even) { background: #8f9e72; }
.seg.waste { background: #3a4540; color: var(--muted); }
.seg.remnant {
  background: #4a6a7a;
  color: #d6e8f0;
  border-left: 2px solid #7eb6c9;
}
.bar-row-remnant {
  border-color: #5a7a8a;
}

.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  background: #3a2a2a;
  color: #ffd0d0;
  border: 1px solid var(--err);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  max-width: min(90vw, 480px);
  z-index: 20;
  font-size: 0.9rem;
}

@media (max-width: 800px) {
  .grid-2 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .split { grid-template-columns: 1fr; }
}