/* ============================================================
   KOTH — base.css   ·   primitives (Monarch)
   Soft radii, subtle borders, red accent, gentle focus rings.
   Class names preserved so the existing JS keeps targeting them.
   ============================================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--radius-sm);
  font-family: var(--sans); font-size: 13px; font-weight: 600;
  letter-spacing: -0.01em; text-transform: none;
  border: 1px solid var(--border2); background: var(--card); color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:hover { background: var(--card-hv); border-color: var(--border2); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }

.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-primary:focus-visible { box-shadow: var(--ring); }

.btn-ghost { background: transparent; border-color: var(--border2); color: var(--text); box-shadow: none; }
.btn-ghost:hover { background: var(--card-hv); border-color: var(--border2); }

.btn-green { background: var(--green); border-color: var(--green); color: #fff; }
.btn-green:hover { filter: brightness(1.08); background: var(--green); }
.btn-amber { background: var(--amber); border-color: var(--amber); color: #fff; }
.btn-amber:hover { filter: brightness(1.08); background: var(--amber); }
.btn-red { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-red:hover { background: var(--accent-hover); }

.btn-sm { padding: 6px 11px; font-size: 12px; border-radius: var(--radius-sm); }
.btn-lg { padding: 13px 24px; font-size: 14px; border-radius: var(--radius); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.btn svg { flex-shrink: 0; }

/* ── Form elements ── */
.field { display: flex; flex-direction: column; gap: 7px; }
.label {
  font-family: var(--sans); font-size: 12px; font-weight: 600;
  letter-spacing: 0; text-transform: none; color: var(--sub);
}
.input {
  padding: 10px 13px; background: var(--paper-2);
  border: 1px solid var(--border2); border-radius: var(--radius-sm);
  color: var(--text); font-size: 14px; font-family: var(--sans);
  transition: box-shadow var(--transition), border-color var(--transition);
  outline: none; width: 100%;
}
.input:focus { border-color: var(--accent); box-shadow: var(--ring); }
.input::placeholder { color: var(--muted); }
.input-mono { font-family: var(--mono); letter-spacing: -0.01em; }
select.input { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239a9ca6' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 11px center; padding-right: 34px;
}

.form-row { display: flex; flex-direction: column; gap: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media(max-width:600px){ .form-grid { grid-template-columns: 1fr; } }

/* ── Segmented toggle ── */
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  border: 1px solid var(--border2); border-radius: var(--radius-sm);
  background: var(--surface); padding: 3px; gap: 3px; }
.seg-opt { position: relative; display: block; cursor: pointer; margin: 0; }
.seg-opt input { position: absolute; opacity: 0; pointer-events: none; }
.seg-opt span {
  display: block; text-align: center; padding: 8px 10px; border-radius: 6px;
  font-family: var(--sans); font-size: 12.5px; font-weight: 600;
  text-transform: none; letter-spacing: 0; color: var(--sub);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.seg-opt:hover span { color: var(--text); }
.seg-opt input:checked + span { background: var(--card); color: var(--text); box-shadow: var(--shadow-sm); }
.seg-opt input:focus-visible + span { box-shadow: var(--ring); }

/* ── Alerts ── */
.alert {
  padding: 11px 14px; border-radius: var(--radius-sm);
  font-family: var(--sans); font-size: 13px; line-height: 1.5;
  display: none; border: 1px solid transparent;
}
.alert-err { background: var(--red-dim); border-color: color-mix(in srgb, var(--accent) 32%, transparent); color: var(--accent); }
.alert-ok  { background: color-mix(in srgb, var(--green) 12%, transparent); border-color: color-mix(in srgb, var(--green) 34%, transparent); color: var(--green-bright); }
.alert.show { display: block; }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 7px; border-radius: 4px;
  font-family: var(--sans); font-size: 11px; font-weight: 600; letter-spacing: 0.01em;
  text-transform: none; border: 1px solid transparent; line-height: 1.4;
}
.badge-red    { background: var(--red-dim); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 26%, transparent); }
.badge-green  { background: color-mix(in srgb, var(--green) 12%, transparent); color: var(--green-bright); border-color: color-mix(in srgb, var(--green) 28%, transparent); }
.badge-amber  { background: color-mix(in srgb, var(--amber) 14%, transparent); color: var(--amber-bright); border-color: color-mix(in srgb, var(--amber) 30%, transparent); }
.badge-purple { background: color-mix(in srgb, var(--purple) 14%, transparent); color: var(--purple); border-color: color-mix(in srgb, var(--purple) 30%, transparent); }
.badge-muted  { background: var(--surface); color: var(--sub); border-color: var(--border2); }

/* ── Section headers ── */
.sec-hdr {
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.02em; text-transform: uppercase;
  color: var(--sub); margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 10px; border-bottom: 1px solid var(--border);
}
.sec-hdr::before { content: ''; width: 3px; height: 14px; border-radius: 2px; background: var(--accent); }

.section-head {
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.02em; text-transform: uppercase;
  color: var(--sub); margin-bottom: 16px;
  padding-bottom: 10px; border-bottom: 1px solid var(--border);
}

/* ── Utilities ── */
.divider { height: 1px; background: var(--border); margin: 24px 0; }
.text-muted { color: var(--muted); }
.text-sub   { color: var(--sub); }
.mono       { font-family: var(--mono); }
.text-red   { color: var(--accent); }
.text-green { color: var(--green-bright); }
.text-amber { color: var(--amber-bright); }
.text-cyan  { color: var(--cyan); }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.shrink-0 { flex-shrink: 0; }

.ic { display: inline-flex; align-items: center; justify-content: center; }
.ic svg { display: block; }