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

:root {
  --bg:      #0f1117;
  --surface: #1a1d27;
  --border:  #2a2d3a;
  --text:    #e2e8f0;
  --muted:   #718096;
  --accent:  #7c3aed;
  --green:   #10b981;
  --red:     #ef4444;
  --claude:  #d97706;
  --ollama:  #3b82f6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.nav-links { display: flex; gap: 1.5rem; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .875rem; }
.nav-links a:hover { color: var(--text); }

.btn-add {
  background: var(--accent);
  color: #fff;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 1.5rem; }
h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; color: var(--muted); }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
}

.stat-card.total { border-color: var(--accent); }

.stat-label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .4rem; }
.stat-value { font-size: 2rem; font-weight: 700; line-height: 1; }
.stat-sub   { font-size: 0.75rem; color: var(--muted); margin-top: .3rem; }
.stat-cost  { font-size: 0.9rem; color: var(--green); margin-top: .4rem; font-weight: 600; }

/* Table */
.table-section { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.table-section h2 { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); margin: 0; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: .65rem 1rem; font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--border); }
td { padding: .7rem 1rem; font-size: .875rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }

.mono { font-family: 'Fira Code', 'Courier New', monospace; font-size: .8rem; }
.num  { text-align: right; font-variant-numeric: tabular-nums; }
.note { color: var(--muted); font-size: .8rem; max-width: 200px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.empty { padding: 2rem 1.5rem; color: var(--muted); }
.empty a { color: var(--accent); }

/* Badges */
.badge {
  display: inline-block;
  padding: .2rem .55rem;
  border-radius: 4px;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-claude--anthropic { background: rgba(217,119,6,.15); color: var(--claude); }
.badge-ollama             { background: rgba(59,130,246,.15); color: var(--ollama); }

/* Delete button */
.btn-delete {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: .9rem;
  padding: .2rem .4rem;
  border-radius: 4px;
}
.btn-delete:hover { color: var(--red); background: rgba(239,68,68,.1); }

/* Form */
.usage-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  font-size: .85rem;
  color: var(--muted);
  font-weight: 500;
}

.hint { font-weight: 400; font-size: .78rem; }

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: .9rem;
  padding: .55rem .75rem;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-actions { display: flex; gap: .75rem; justify-content: flex-end; margin-top: .5rem; }

.btn-cancel {
  padding: .5rem 1.2rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  font-size: .875rem;
}
.btn-cancel:hover { border-color: var(--text); color: var(--text); }

.btn-submit {
  padding: .5rem 1.4rem;
  border-radius: 6px;
  background: var(--accent);
  border: none;
  color: #fff;
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-submit:hover { opacity: .9; }

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}
.chart-wide { grid-column: 1 / -1; }
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
}
.chart-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.chart-title  { font-weight: 600; font-size: .9rem; }
.chart-sub    { font-size: .75rem; color: var(--muted); }

/* Usage limit bars */
.usage-bar-wrap  { margin-bottom: .9rem; }
.usage-bar-label   { display: flex; justify-content: space-between; align-items: baseline; font-size: .78rem; color: var(--muted); margin-bottom: .3rem; }
.usage-pct-right   { display: flex; align-items: baseline; gap: .25rem; font-size: .75rem; }
.usage-bar-track { height: 10px; background: rgba(255,255,255,.07); border-radius: 99px; overflow: hidden; }
.usage-bar-fill  { height: 100%; background: var(--accent); border-radius: 99px; transition: width .4s ease; }
.usage-bar-fill.warn   { background: #f59e0b; }
.usage-bar-fill.danger { background: var(--red); }
.setup-link { color: var(--accent); font-size: .85rem; text-decoration: none; }
.setup-link:hover { text-decoration: underline; }

@media (max-width: 640px) {
  .charts-grid { grid-template-columns: 1fr; }
  .chart-wide  { grid-column: 1; }
}

/* Sync page */
.sync-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}
.sync-header  { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.sync-title   { font-weight: 600; font-size: 1rem; margin-bottom: .25rem; }
.sync-sub     { font-size: .85rem; color: var(--muted); }
.sync-controls{ display: flex; gap: .75rem; align-items: center; }
.sync-controls select {
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text); border-radius: 6px; padding: .45rem .7rem;
  font-size: .875rem; outline: none;
}
.sync-status  { margin-top: 1rem; font-size: .875rem; padding: .6rem .9rem; border-radius: 6px; display: none; }
.sync-status:not(:empty) { display: block; }
.sync-status.ok  { background: rgba(16,185,129,.1); color: var(--green); }
.sync-status.err { background: rgba(239,68,68,.1);  color: var(--red);   }

/* Info box (settings) */
.info-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  max-width: 560px;
}
.info-box h2  { margin-bottom: .75rem; color: var(--text); }
.info-box p   { font-size: .875rem; color: var(--muted); margin-bottom: .4rem; }
.code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .6rem .9rem;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: .8rem;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
}