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

:root {
  --bg: #060606;
  --surface: #0d0d0d;
  --surface-2: #161616;
  --surface-3: #1f1f1f;
  --border: #222222;
  --border-hover: #333333;
  --text: #f0f0f0;
  --text-secondary: #a0a0a0;
  --muted: #666666;
  --accent: #39ff14;
  --accent-soft: rgba(57,255,20,.08);
  --accent-medium: rgba(57,255,20,.18);
  --accent-glow: rgba(57,255,20,.25);
  --good: #39ff14;
  --warn: #ffe234;
  --bad: #ff3b3b;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 2px 20px rgba(0,0,0,.4);
  --transition: .2s cubic-bezier(.4,0,.2,1);
  font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f5f5;
    --surface: #ffffff;
    --surface-2: #f0f0f0;
    --surface-3: #e6e6e6;
    --border: #e0e0e0;
    --border-hover: #ccc;
    --text: #111111;
    --text-secondary: #555555;
    --muted: #888888;
    --accent: #18b800;
    --accent-soft: rgba(24,184,0,.06);
    --accent-medium: rgba(24,184,0,.14);
    --accent-glow: rgba(24,184,0,.2);
    --good: #18b800;
    --warn: #c09400;
    --bad: #d00;
    --shadow: 0 2px 20px rgba(0,0,0,.08);
  }
}
:root[data-theme="light"] {
  --bg: #f5f5f5; --surface: #ffffff; --surface-2: #f0f0f0; --surface-3: #e6e6e6;
  --border: #e0e0e0; --border-hover: #ccc; --text: #111111; --text-secondary: #555555;
  --muted: #888888; --accent: #18b800; --accent-soft: rgba(24,184,0,.06);
  --accent-medium: rgba(24,184,0,.14); --accent-glow: rgba(24,184,0,.2);
  --good: #18b800; --warn: #c09400; --bad: #d00; --shadow: 0 2px 20px rgba(0,0,0,.08);
}
:root[data-theme="dark"] {
  --bg: #060606; --surface: #0d0d0d; --surface-2: #161616; --surface-3: #1f1f1f;
  --border: #222222; --border-hover: #333333; --text: #f0f0f0; --text-secondary: #a0a0a0;
  --muted: #666666; --accent: #39ff14; --accent-soft: rgba(57,255,20,.08);
  --accent-medium: rgba(57,255,20,.18); --accent-glow: rgba(57,255,20,.25);
  --good: #39ff14; --warn: #ffe234; --bad: #ff3b3b; --shadow: 0 2px 20px rgba(0,0,0,.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Layout ─── */
.app { display: flex; min-height: 100vh; }

/* ─── Sidebar ─── */
nav.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 28px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
nav.sidebar h1 {
  font-size: 13px;
  margin: 0 10px 24px;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
nav.sidebar a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  border: 1px solid transparent;
}
nav.sidebar a:hover {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}
nav.sidebar a.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  border-color: var(--accent-medium);
}

/* ─── Main ─── */
main {
  flex: 1;
  padding: 36px 44px;
  max-width: 1200px;
  min-width: 0;
  overflow-x: hidden;
}

h2 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
}
h2 + p { color: var(--text-secondary); font-size: 13px; line-height: 1.5; margin-bottom: 24px; }

h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin: 0 0 16px;
}
h4 { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin: 20px 0 12px; }

/* ─── Cards ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

/* ─── Stats grid ─── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}
.stat {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition);
}
.stat::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}
.stat:hover { border-color: var(--border-hover); }
.stat .label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
}
.stat .value {
  font-size: 28px;
  font-weight: 800;
  margin-top: 6px;
  color: var(--text);
  letter-spacing: -.03em;
  line-height: 1.1;
}
.stat .sub {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
  font-weight: 500;
}

/* ─── Buttons ─── */
button, .btn {
  background: var(--accent);
  color: #060606;
  border: none;
  border-radius: var(--radius-xs);
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: .02em;
}
button:hover {
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}
button:active { transform: translateY(0); }
button.secondary {
  background: var(--surface-2);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  box-shadow: none;
}
button.secondary:hover {
  border-color: var(--border-hover);
  color: var(--text);
  box-shadow: none;
  transform: none;
}
button:disabled {
  opacity: .35;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ─── Inputs ─── */
input[type="date"], input[type="number"], select {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-xs);
  padding: 9px 12px;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  max-width: 100%;
  transition: border-color var(--transition);
  outline: none;
}
input[type="date"]:focus, input[type="number"]:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

label {
  font-size: 11px;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ─── Tables ─── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 14px; white-space: nowrap; }
th {
  background: var(--surface-2);
  color: var(--accent);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}
td { border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tbody tr { transition: background var(--transition); }
tbody tr:hover { background: var(--accent-soft); }

/* ─── Pills ─── */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
}
.pill.good { background: rgba(57,255,20,.12); color: var(--good); }
.pill.warn { background: rgba(255,226,52,.12); color: var(--warn); }
.pill.bad  { background: rgba(255,59,59,.12); color: var(--bad); }

/* ─── Filters ─── */
.filters {
  display: flex;
  gap: 12px;
  align-items: end;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

/* ─── Dropzone ─── */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
  font-weight: 500;
  font-size: 14px;
}
.dropzone:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.dropzone.drag {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 40px var(--accent-soft);
}

/* ─── Messages ─── */
.msg {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.msg.error {
  background: rgba(255,59,59,.08);
  color: var(--bad);
  border-color: rgba(255,59,59,.15);
}
.msg.success {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-medium);
}

/* ─── Editable inputs ─── */
.editable {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  width: 70px;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  outline: none;
}
.editable:hover { border-color: var(--border); }
.editable:focus {
  border-color: var(--accent);
  background: var(--surface-2);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ─── Charts ─── */
canvas { max-width: 100%; }

/* ─── Responsive: notebook ─── */
@media (max-width: 1024px) {
  main { padding: 24px 28px; }
  .grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
  .stat .value { font-size: 24px; }
  nav.sidebar { width: 210px; padding: 20px 12px; }
}

/* ─── Responsive: tablet & mobile ─── */
@media (max-width: 768px) {
  .app { flex-direction: column; }

  nav.sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 2px;
    padding: 10px 14px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  nav.sidebar h1 {
    margin: 0 12px 0 4px;
    white-space: nowrap;
    font-size: 11px;
  }
  nav.sidebar a {
    white-space: nowrap;
    padding: 8px 12px;
    font-size: 13px;
  }

  main { padding: 20px 16px; }
  h2 { font-size: 18px; }
  .card { padding: 16px; }
  .grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; }
  .stat { padding: 14px 16px; }
  .stat .value { font-size: 20px; }
  .filters { flex-direction: column; align-items: stretch; }
  .dropzone { padding: 32px 16px; font-size: 13px; }
}