/* ============================================================
   TOURIN DESIGN SYSTEM — components ported to plain CSS.
   Mirrors components/core/Button.jsx, Badge.jsx and
   components/forms/Input.jsx from the design-system bundle.
   ============================================================ */

/* ---------- Button ---------- */
.ds-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform var(--dur-fast) var(--ease-standard),
    filter var(--dur-base) var(--ease-standard),
    box-shadow var(--dur-base) var(--ease-standard);
}
.ds-button:active { transform: translateY(1px); }
.ds-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--focus-ring);
}
.ds-button[disabled] { cursor: not-allowed; opacity: 0.5; }
.ds-button--block { display: flex; width: 100%; }

/* sizes */
.ds-button--sm { height: var(--control-sm); padding: 0 16px; font-size: 13px; gap: 7px;  border-radius: var(--radius-sm); }
.ds-button--md { height: var(--control-md); padding: 0 22px; font-size: 15px; gap: 9px;  border-radius: var(--radius-md); }
.ds-button--lg { height: var(--control-lg); padding: 0 30px; font-size: 17px; gap: 11px; border-radius: var(--radius-md); }

/* variants */
.ds-button--primary {
  background: var(--brand);
  color: var(--text-on-brand);
  border: var(--border-w) solid var(--brand);
  box-shadow: var(--shadow-sm);
}
.ds-button--accent {
  background: var(--accent);
  color: var(--text-on-accent);
  border: var(--border-w) solid var(--accent-strong);
  box-shadow: var(--shadow-sm);
}
.ds-button--secondary {
  background: var(--secondary);
  color: #fff;
  border: var(--border-w) solid var(--secondary);
  box-shadow: var(--shadow-sm);
}
.ds-button--outline {
  background: transparent;
  color: var(--brand-strong);
  border: var(--border-w) solid var(--border-strong);
  box-shadow: none;
}
.ds-button--ghost {
  background: transparent;
  color: var(--brand-strong);
  border: var(--border-w) solid transparent;
  box-shadow: none;
}
.ds-button--primary:hover,
.ds-button--accent:hover,
.ds-button--secondary:hover { filter: brightness(1.06); }

/* ---------- Badge ---------- */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 3px 11px;
  border: var(--border-w) solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ds-badge--sm { height: 20px; padding: 2px 8px; font-size: 10.5px; }

.ds-badge--soft.ds-badge--success    { background: var(--pine-100); color: var(--pine-800); }
.ds-badge--solid.ds-badge--success   { background: var(--success);  color: #fff; }
.ds-badge--outline.ds-badge--success { background: transparent; color: var(--pine-800); border-color: var(--success); }

.ds-badge--soft.ds-badge--brand      { background: var(--lake-100); color: var(--lake-700); }
.ds-badge--outline.ds-badge--brand   { background: transparent; color: var(--lake-700); border-color: var(--lake-600); }

.ds-badge--soft.ds-badge--accent     { background: var(--trail-100); color: var(--trail-700); }
.ds-badge--outline.ds-badge--accent  { background: transparent; color: var(--trail-700); border-color: var(--trail-500); }

.ds-badge--soft.ds-badge--neutral    { background: var(--ink-100); color: var(--ink-700); }
.ds-badge--outline.ds-badge--neutral { background: transparent; color: var(--ink-700); border-color: var(--border-strong); }

/* ---------- Input ---------- */
.ds-field { display: flex; flex-direction: column; gap: 6px; }
.ds-field__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.ds-field__control {
  display: flex;
  align-items: center;
  gap: 10px;
  height: var(--control-md);
  padding: 0 14px;
  background: var(--surface-card);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}
.ds-field--sm .ds-field__control { height: var(--control-sm); }
.ds-field--lg .ds-field__control { height: var(--control-lg); }
.ds-field__control:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--focus-ring);
}
.ds-field--error .ds-field__control { border-color: var(--danger); }
.ds-field__control input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-strong);
}
.ds-field__hint { font-family: var(--font-body); font-size: 12.5px; color: var(--text-subtle); }
.ds-field--error .ds-field__hint { color: var(--danger); }