/* ── Base ── */
:root {
  --bg: #0a0e1a;
  --bg-card: rgba(255,255,255,.04);
  --bg-card-hover: rgba(255,255,255,.07);
  --border: rgba(255,255,255,.08);
  --border-hover: rgba(99,179,237,.35);
  --accent: #63b3ed;
  --accent-dim: rgba(99,179,237,.15);
  --accent-glow: rgba(99,179,237,.25);
  --green: #68d391;
  --green-dim: rgba(104,211,145,.12);
  --red: #fc8181;
  --red-dim: rgba(252,129,129,.12);
  --text: #e2e8f0;
  --text-dim: #718096;
  --text-muted: #4a5568;
  --radius: 12px;
  --radius-lg: 20px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ── Inputs ── */
.input {
  width: 100%;
  padding: .625rem .875rem;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: .875rem;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.input::placeholder { color: var(--text-muted); }
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
textarea.input { resize: vertical; min-height: 80px; }
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(.7); }

.label {
  display: block;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-dim);
  margin-bottom: .375rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font-size: .8125rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover { filter: brightness(1.15); box-shadow: 0 4px 20px var(--accent-glow); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.btn-ghost:hover { border-color: var(--border-hover); color: var(--text); }
.btn-sm { padding: .4rem .875rem; font-size: .75rem; }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

/* ── Flash messages ── */
.flash {
  padding: .75rem 1rem;
  border-radius: var(--radius);
  font-size: .8125rem;
  font-weight: 500;
}
.flash-success { background: var(--green-dim); border: 1px solid rgba(104,211,145,.25); color: var(--green); }
.flash-error { background: var(--red-dim); border: 1px solid rgba(252,129,129,.25); color: var(--red); }

/* ── Client cards ── */
.client-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all .2s;
  cursor: pointer;
}
.client-card:hover { background: var(--bg-card-hover); border-color: var(--border-hover); }
.client-card.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent-glow);
}

/* ── Category pill ── */
.cat-pill {
  display: inline-block;
  padding: .125rem .55rem;
  border-radius: 9999px;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(99,179,237,.2);
}

/* ── Log table ── */
.log-table { width: 100%; border-collapse: collapse; font-size: .8125rem; }
.log-table th {
  text-align: left;
  padding: .625rem .75rem .625rem 0;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.log-table td {
  padding: .75rem .75rem .75rem 0;
  vertical-align: top;
  border-bottom: 1px solid rgba(255,255,255,.025);
}
.log-table tbody tr { transition: background .15s; }
.log-table tbody tr:hover { background: rgba(255,255,255,.025); }
.log-table tfoot td {
  padding-top: .875rem;
  border-top: 1px solid var(--border);
  border-bottom: none;
  font-weight: 700;
}

/* ── Icon buttons ── */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all .2s;
}
.icon-btn:hover { background: rgba(255,255,255,.08); color: var(--text); }
.icon-btn.danger:hover { background: var(--red-dim); color: var(--red); }

/* ── Stat box ── */
.stat { text-align: center; }
.stat-value { font-size: 1.5rem; font-weight: 700; line-height: 1.2; }
.stat-label { font-size: .65rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); margin-top: .25rem; }

/* ── Utilities ── */
.text-accent { color: var(--accent); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-dim { color: var(--text-dim); }
.text-muted { color: var(--text-muted); }
.font-mono { font-family: 'JetBrains Mono', 'SF Mono', monospace; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Month tabs ── */
.month-tabs {
  display: flex;
  gap: .375rem;
  flex-wrap: wrap;
  padding: .375rem;
  background: rgba(255,255,255,.025);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.month-tab {
  padding: .375rem .75rem;
  border-radius: 8px;
  font-size: .7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: all .15s;
  white-space: nowrap;
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}
.month-tab:hover { background: rgba(255,255,255,.06); color: var(--text-dim); }
.month-tab.active {
  background: var(--accent);
  color: var(--bg);
}