@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #ffffff;
  --bg-soft: #f7f4ef;
  --panel: #ffffff;
  --panel-2: #fbf8f3;
  --ink: #2a1d14;
  --muted: #8a7562;
  --muted-soft: #a89478;
  --accent: #c1502e;
  --accent-2: #a03f22;
  --accent-soft: #f5ded1;
  --border: #e9e2d4;
  --border-strong: #dad0b8;
  --gold: #c1912f;
  --gold-soft: #f6e8c9;
  --warn: #b07a17;
  --warn-soft: #f8ecc9;
  --ok: #4a7a3f;
  --ok-soft: #e2ecd9;
  --shadow-sm: 0 1px 2px rgba(42, 29, 20, 0.06);
  --shadow-md: 0 6px 18px rgba(42, 29, 20, 0.10);
  --shadow-lg: 0 16px 40px rgba(42, 29, 20, 0.14);
  --radius: 8px;
  --radius-sm: 5px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d4d4d4; border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #b0b0b0; }

header.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: #e9e9e9;
  color: #1a1a1a;
  border-bottom: 2px solid var(--accent);
  position: sticky;
  top: 0;
  z-index: 30;
}
header.topbar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
header.topbar .brand-logo {
  height: 36px;
  width: auto;
  display: block;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 3px 6px;
}
header.topbar h1 {
  font-size: 18px;
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
header.topbar button {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.25);
  color: #1a1a1a;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s ease, border-color 0.15s ease;
}
header.topbar button:hover { background: rgba(0, 0, 0, 0.08); border-color: #1a1a1a; }
header.topbar button:active { background: rgba(0, 0, 0, 0.14); }

.app-shell {
  display: flex;
  align-items: flex-start;
}

nav.tabs {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 16px 12px;
  background: var(--panel);
  border-bottom: none;
  border-right: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  width: 190px;
  flex-shrink: 0;
  height: 100vh;
  box-sizing: border-box;
  overflow-y: auto;
}
nav.tabs button {
  background: none;
  border: none;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  border-radius: var(--radius-sm);
  border-bottom: none;
  text-align: left;
  width: 100%;
  transition: color 0.15s ease, background 0.15s ease;
  margin-bottom: 0;
}
nav.tabs button:hover { color: var(--ink); background: var(--bg); }
nav.tabs button.active {
  color: #fff;
  background: var(--accent);
  border-bottom: none;
}

main {
  padding: 28px 24px 60px;
  max-width: 1100px;
  margin: 0;
  flex: 1;
  min-width: 0;
  animation: fadeUp 0.2s ease;
}

@media (max-width: 768px) {
  header.topbar {
    padding: 12px 16px;
  }
  .app-shell {
    flex-direction: column;
  }
  nav.tabs {
    flex-direction: row;
    width: 100%;
    height: auto;
    max-height: none;
    position: sticky;
    top: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 8px 12px;
    gap: 4px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
  nav.tabs button {
    flex-shrink: 0;
    width: auto;
    white-space: nowrap;
  }
  main {
    padding: 16px 14px 40px;
    max-width: 100%;
  }
}

[data-granularity].primary, [data-granularity].ghost {
  padding: 7px 14px;
  font-size: 13px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease;
}
.card:hover { border-color: #cfcfcf; }
.card h2 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); }
th {
  color: var(--muted);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: #f5f5f5;
}
tbody tr { transition: background 0.12s ease; }
tbody tr:hover { background: #f7f7f7; }
tbody tr:last-child td { border-bottom: none; }

form.inline { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 16px; }
.field { display: flex; flex-direction: column; gap: 5px; font-size: 13px; min-width: 160px; }
.field label { color: var(--muted); font-weight: 600; font-size: 12px; }

input, select, textarea {
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:hover, select:hover, textarea:hover { border-color: #b7b7b7; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(216, 30, 44, 0.12);
}
textarea { min-height: 70px; width: 100%; resize: vertical; }

button { font-family: inherit; }

button.primary {
  background: #111111;
  color: #fff;
  border: 1px solid #111111;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.12s ease, transform 0.12s ease;
}
button.primary:hover { background: #2b2b2b; transform: translateY(-1px); }
button.primary:active { transform: translateY(0); background: #000; }
button.primary:disabled { opacity: .45; cursor: not-allowed; transform: none; }

button.ghost {
  background: #fff;
  border: 1px solid var(--border-strong);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  transition: background 0.15s ease;
}
button.ghost:hover { background: #f2f2f2; }

button.danger {
  color: var(--accent);
  border: 1px solid var(--accent);
  background: none;
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: background 0.15s ease, color 0.15s ease;
}
button.danger:hover { background: var(--accent); color: #fff; }
button.danger:disabled { opacity: .4; cursor: not-allowed; background: none; color: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--accent);
  transition: border-color 0.15s ease;
}
.stat:hover { border-color: #cfcfcf; }
.stat .label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}
.stat .value { font-size: 26px; font-weight: 800; margin-top: 6px; letter-spacing: -0.02em; }
.stat .value.negative { color: var(--accent); }
.stat .value.positive { color: var(--ink); }

.msg {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
  border-left: 3px solid transparent;
}
.msg.ok { background: #f2f2f2; color: var(--ink); border-left-color: #111111; }
.msg.err { background: var(--accent-soft); color: var(--accent-2); border-left-color: var(--accent); }

.checkbox-row { display: flex; align-items: center; gap: 6px; font-size: 13px; }

.pill {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pill.locked { background: #111111; color: #fff; }
.pill.open { background: #fff; color: var(--ink); border: 1px solid var(--border-strong); }
.pill.low { background: var(--accent); color: #fff; margin-left: 6px; }

#calcCard { background: #f7f7f7 !important; border: 1px solid var(--border); }
.calc-row {
  display: flex;
  justify-content: space-between;
  padding: 7px 0;
  font-size: 13.5px;
  border-bottom: 1px dashed #d8d8d8;
}
.calc-row:last-child { border-bottom: none; font-size: 15px; font-weight: 800; padding-top: 10px; }
.calc-row span:first-child { color: var(--muted); font-weight: 600; }
.calc-row:last-child span:first-child { color: var(--ink); }
.positive { color: var(--ink); }
.negative { color: var(--accent); }

@media (max-width: 640px) {
  header.topbar { padding: 12px 16px; }
  nav.tabs { padding: 0 10px; top: 58px; overflow-x: auto; }
  main { padding: 18px 14px 40px; }
  .field { min-width: 100%; }
}