:root {
  --tint: #C60C30;
  --tint-hover: #E01040;
  --tint-bg: rgba(198,12,48,0.15);
  --tint-border: rgba(198,12,48,0.35);
  --tint-glow: rgba(198,12,48,0.6);
  --carp-red: #C60C30;
  --carp-red-dim: rgba(198,12,48,0.15);

  --dark-bg: #0a0a0f;
  --dark-surface: #12121a;
  --dark-card: rgba(18,18,30,0.7);
  --glass: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --fillSecondary: rgba(255,255,255,0.06);

  --labelPrimary: #e8e8ef;
  --labelSecondary: #8888a0;
  --labelTertiary: #555568;
  --separator: rgba(255,255,255,0.08);

  --font-display: 'Orbitron', sans-serif;
  --font-system: 'Noto Sans JP', -apple-system, "Helvetica Neue", sans-serif;
  --font-mono: 'JetBrains Mono', "SF Mono", "Menlo", monospace;

  --text-title2: 22px;
  --text-headline: 17px;
  --text-body: 16px;
  --text-subhead: 14px;
  --text-footnote: 13px;
  --text-caption1: 12px;

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-system);
  background: var(--dark-bg);
  color: var(--labelPrimary);
  min-height: 100vh;
  font-size: var(--text-body);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  padding: 1rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(198,12,48,0.03) 1px, transparent 1px),
    linear-gradient(rgba(198,12,48,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

header, main { position: relative; z-index: 1; max-width: 1300px; margin-left: auto; margin-right: auto; }
header { margin-bottom: 1rem; }

h1 {
  font-family: var(--font-display);
  font-size: var(--text-title2);
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--labelPrimary);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  position: relative;
  text-transform: uppercase;
}
h1::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--carp-red), transparent);
}

.controls { display: flex; flex-direction: column; gap: 0.6rem; }

#dropzone {
  border: 1px dashed var(--glass-border);
  border-radius: 8px;
  padding: 1.2rem;
  text-align: center;
  background: var(--dark-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all 0.2s var(--ease);
}
#dropzone.drag {
  border-color: var(--tint);
  background: var(--tint-bg);
  box-shadow: 0 0 24px var(--carp-red-dim);
}
#dropzone p { margin: 0.25rem 0; color: var(--labelPrimary); }
#dropzone p:first-child {
  font-family: var(--font-display);
  letter-spacing: 1px;
  font-weight: 500;
}
.hint {
  font-size: var(--text-caption1);
  color: var(--labelSecondary);
  font-family: var(--font-system);
}

.row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
label {
  font-size: var(--text-footnote);
  color: var(--labelSecondary);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

select, input[type="password"], input[type="file"] {
  padding: 0.45rem 0.7rem;
  font-size: var(--text-footnote);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  color: var(--labelPrimary);
  font-family: var(--font-system);
  transition: all 0.15s var(--ease);
}
select {
  min-width: 220px;
  color: var(--carp-red);
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23C60C30'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 26px;
}
select:hover { background-color: var(--fillSecondary); border-color: var(--tint-border); }
select option { background: var(--dark-surface); color: var(--labelPrimary); }
input[type="password"] {
  min-width: 280px;
  font-family: var(--font-mono);
}
input[type="password"]::placeholder { color: var(--labelTertiary); }
input:focus, select:focus {
  outline: none;
  border-color: var(--tint);
  background: rgba(198,12,48,0.06);
}

button {
  padding: 0.45rem 0.9rem;
  font-size: var(--text-footnote);
  background: var(--tint);
  color: #fff;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all 0.15s var(--ease);
}
button:hover {
  background: var(--tint-hover);
  box-shadow: 0 0 16px var(--carp-red-dim);
}
#patClearBtn { background: var(--glass); color: var(--carp-red); border: 1px solid var(--glass-border); }
#patClearBtn:hover { background: var(--tint-bg); border-color: var(--tint-border); }
#reloadBtn { padding: 0.45rem 0.7rem; }

details {
  background: var(--dark-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--glass-border);
}
details[open] { padding-bottom: 0.8rem; }
summary {
  cursor: pointer;
  font-size: var(--text-footnote);
  font-family: var(--font-mono);
  color: var(--labelSecondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
summary:hover { color: var(--carp-red); }
.pat-box { padding-top: 0.6rem; }

#status {
  font-size: var(--text-footnote);
  padding: 0.55rem 0.85rem;
  border-radius: 6px;
  background: var(--dark-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--labelSecondary);
  font-family: var(--font-mono);
  min-height: 1.5rem;
  letter-spacing: 0.3px;
}
#status.error {
  background: rgba(255,68,68,0.08);
  color: #FF6666;
  border-color: rgba(255,68,68,0.3);
}
#status.success {
  background: rgba(136,204,68,0.08);
  color: #88CC44;
  border-color: rgba(136,204,68,0.3);
}

main {
  background: var(--dark-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  overflow: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-footnote);
}
th, td {
  padding: 0.6rem 0.8rem;
  text-align: right;
  border-bottom: 1px solid var(--separator);
  white-space: nowrap;
  color: var(--labelPrimary);
}
th {
  background: rgba(10,10,15,0.95);
  cursor: pointer;
  user-select: none;
  position: sticky;
  top: 0;
  z-index: 2;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-caption1);
  color: var(--labelSecondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--tint-border);
  transition: all 0.15s var(--ease);
}
th:hover { color: var(--carp-red); background: rgba(198,12,48,0.05); }
th.sorted {
  color: var(--carp-red);
  background: rgba(198,12,48,0.1);
}
td {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-weight: 500;
}
td:nth-child(1), th:nth-child(1) { text-align: left; color: var(--labelTertiary); }
td:nth-child(2), th:nth-child(2) {
  text-align: left;
  font-family: var(--font-system);
  font-weight: 500;
  color: var(--labelPrimary);
  position: sticky;
  left: 0;
}
td:nth-child(2) { background: #12121a; z-index: 1; }
th:nth-child(2) { z-index: 3; }
tbody tr { transition: background 0.1s; }
tbody tr:hover td { background: rgba(198,12,48,0.05); }
tbody tr:nth-child(even) td { background: rgba(255,255,255,0.015); }
tbody tr:nth-child(even):hover td { background: rgba(198,12,48,0.05); }
tbody tr:nth-child(even) td:nth-child(2) { background: #16161f; }
tbody tr:hover td:nth-child(2),
tbody tr:nth-child(even):hover td:nth-child(2) { background: #1c1018; }

#emptyHint {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--labelSecondary);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}