:root {
  --bg: #e8e2d6;
  --bg-deep: #d9d0c0;
  --ink: #1a2330;
  --muted: #5c6674;
  --panel: rgba(250, 247, 240, 0.92);
  --line: rgba(26, 35, 48, 0.12);
  --accent: #0f6e56;
  --accent-2: #c45c26;
  --warn: #a67c00;
  --danger: #9b2c2c;
  --ok: #0f6e56;
  --shadow: 0 18px 50px rgba(26, 35, 48, 0.12);
  --radius: 18px;
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(15, 110, 86, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(196, 92, 38, 0.16), transparent 50%),
    linear-gradient(160deg, var(--bg), var(--bg-deep));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(26, 35, 48, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 35, 48, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0;
}

.eyebrow {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
}

.sub {
  margin: 0.35rem 0 0;
  color: var(--muted);
  max-width: 42rem;
}

.panel, .card, .stat, .row-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.panel { padding: 1.4rem 1.5rem; }

.grid-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.stat {
  padding: 1rem 1.1rem;
  animation: rise 0.45s ease both;
}
.stat:nth-child(2) { animation-delay: 0.05s; }
.stat:nth-child(3) { animation-delay: 0.1s; }
.stat:nth-child(4) { animation-delay: 0.15s; }

.stat .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.stat .value {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 0.25rem 0;
  letter-spacing: -0.03em;
}
.stat .meta { color: var(--muted); font-size: 0.9rem; }

.progress {
  height: 8px;
  background: rgba(26, 35, 48, 0.08);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.65rem;
}
.progress > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #1f9b78);
  border-radius: inherit;
  transition: width 0.35s ease;
}
.progress.warn > span { background: linear-gradient(90deg, var(--accent-2), #e0844a); }
.progress.over > span { background: linear-gradient(90deg, var(--danger), #d64545); }

.tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1.25rem 0 1rem;
}
.tab {
  border: 1px solid var(--line);
  background: rgba(250, 247, 240, 0.7);
  color: var(--ink);
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}
.tab:hover { transform: translateY(-1px); }
.tab.active {
  background: var(--ink);
  color: #f7f3ea;
  border-color: var(--ink);
}

.section { display: none; }
.section.active { display: block; animation: rise 0.3s ease; }

.project-list { display: grid; gap: 1rem; }
.project-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.2rem 1.35rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.project-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 55px rgba(26, 35, 48, 0.16);
}
.project-card h2 {
  margin: 0.15rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.meta-line code, .mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.badge.planned { background: #ece7dc; color: #4d5561; }
.badge.in_progress { background: #dcefe8; color: #0f6e56; }
.badge.on_hold { background: #f5e8c8; color: #7a5b00; }
.badge.completed { background: #d7efe4; color: #0b5a45; }
.badge.pending { background: #ece7dc; color: #4d5561; }
.badge.done { background: #d7efe4; color: #0b5a45; }

.btn, .btn-ghost, .btn-mini {
  appearance: none;
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  font-weight: 700;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn {
  background: var(--ink);
  color: #f7f3ea;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.btn:hover, .btn-ghost:hover, .btn-mini:hover { transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-mini {
  padding: 0.35rem 0.7rem;
  background: rgba(26, 35, 48, 0.06);
  color: var(--ink);
  font-size: 0.85rem;
}
.btn-mini.ok { background: #d7efe4; color: #0b5a45; }
.btn-mini.warn { background: #f5e8c8; color: #7a5b00; }

.hero-project {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.hero-project h1 {
  margin: 0.2rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.overview {
  white-space: pre-wrap;
  color: var(--muted);
  line-height: 1.55;
  margin: 0.85rem 0 0;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: end;
}

.row-card {
  padding: 1rem 1.1rem;
  margin-bottom: 0.75rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.9rem;
  align-items: start;
}
.row-card.done-row { opacity: 0.82; }
.check {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 0.4rem;
  border: 2px solid rgba(26, 35, 48, 0.35);
  background: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  margin-top: 0.15rem;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.check[aria-checked="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.check svg { width: 0.85rem; height: 0.85rem; opacity: 0; }
.check[aria-checked="true"] svg { opacity: 1; }

.floor {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  font-weight: 700;
  margin: 0 0 0.2rem;
}
.row-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}
.desc {
  margin: 0.35rem 0 0.7rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.qty-box {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 170px;
  align-items: stretch;
}
.qty-box label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.qty-row {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}
.qty-row input {
  width: 5.5rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  padding: 0.45rem 0.55rem;
  background: #fff;
}
.qty-row .of {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: nowrap;
}

.category-title {
  margin: 1.4rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  background: var(--ink);
  color: #f7f3ea;
  padding: 0.8rem 1rem;
  border-radius: 0.9rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 20;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.log-list { list-style: none; margin: 0; padding: 0; }
.log-list li {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.log-list time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.empty {
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .grid-stats { grid-template-columns: 1fr 1fr; }
  .project-card, .hero-project, .row-card { grid-template-columns: 1fr; }
  .qty-box { min-width: 0; }
  .log-list li { grid-template-columns: 1fr; gap: 0.2rem; }
}