:root {
  --bg: #0b0f14;
  --panel: #121820;
  --border: #1f2a36;
  --fg: #d9e1ec;
  --muted: #6a7a90;
  --accent: #4fd1c5;
  --accent-dim: #2c7a72;
  --win: #6ee7b7;
  --loss: #f87171;
  --warn: #fbbf24;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text",
        "Inter", "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-weight: 600; margin: 0 0 1rem; }
h2 { font-size: 0.9rem; color: var(--muted); text-transform: uppercase;
     letter-spacing: 0.08em; margin: 1.5rem 0 0.5rem; font-weight: 500; }

nav {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  gap: 1.5rem;
}
nav .brand {
  font-weight: 600;
  font-family: "SF Mono", Menlo, monospace;
  font-size: 0.9rem;
  color: var(--accent);
}
nav ul.nav-links {
  display: flex; gap: 1.25rem; list-style: none; padding: 0; margin: 0;
  flex: 1;
}
nav ul.nav-links a {
  color: var(--fg);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
nav ul.nav-links a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
nav .logout { display: flex; align-items: center; gap: 0.5rem; }
nav .logout .user { color: var(--muted); font-family: "SF Mono", monospace; font-size: 0.85rem; }
nav .logout button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 0.3rem 0.75rem;
  border-radius: 3px;
  cursor: pointer;
  font: inherit;
}
nav .logout button:hover { border-color: var(--accent); color: var(--accent); }

main { max-width: 1200px; margin: 2rem auto; padding: 0 1.5rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.75rem 1rem;
}
.card.warn { border-color: var(--warn); }
.card-label { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.card-value { font-size: 1.5rem; font-weight: 600; margin-top: 0.25rem; font-variant-numeric: tabular-nums; }

table.log-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}
table.log-table thead {
  background: #182030;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}
table.log-table th, table.log-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
table.log-table tbody tr:last-child td { border-bottom: none; }
table.log-table tbody tr:hover { background: rgba(79, 209, 197, 0.04); }
td.win, .win { color: var(--win); }
td.loss, .loss { color: var(--loss); }
td.warn, .warn { color: var(--warn); }
td.long { color: var(--accent); }
td.short { color: #f9a8d4; }
td.empty { color: var(--muted); font-style: italic; text-align: center; padding: 1.5rem; }

.date-form {
  margin-bottom: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}
.date-form label { color: var(--muted); font-size: 0.85rem; display: flex; gap: 0.5rem; align-items: center; }
.date-form select {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  font: inherit;
}

.login-wrap {
  max-width: 340px;
  margin: 8rem auto;
  padding: 2rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.login-wrap h1 {
  font-family: "SF Mono", Menlo, monospace;
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  text-align: center;
}
.login-form { display: flex; flex-direction: column; gap: 0.85rem; }
.login-form label {
  display: flex; flex-direction: column; gap: 0.25rem;
  color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.login-form input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 0.55rem 0.75rem;
  border-radius: 3px;
  font: inherit;
}
.login-form input:focus { outline: none; border-color: var(--accent); }
.login-form button {
  background: var(--accent-dim);
  color: #061014;
  border: none;
  padding: 0.65rem;
  border-radius: 3px;
  cursor: pointer;
  font-weight: 600;
  margin-top: 0.5rem;
}
.login-form button:hover { background: var(--accent); }
.login-form .error {
  color: var(--loss);
  font-size: 0.85rem;
  margin: 0;
  text-align: center;
}

canvas { background: var(--panel); border: 1px solid var(--border); border-radius: 4px; padding: 0.75rem; }
code { background: var(--panel); padding: 0.1rem 0.4rem; border-radius: 3px; font-size: 0.85em; }
.empty { color: var(--muted); font-style: italic; }