/* v2 buttons — understated editorial controls: text + circular arrow,
   hairline outlines, square corners. Depends on tokens.css */

/* Circular arrow element (the signature interaction detail) */
.circle-btn {
  display: inline-grid;
  place-items: center;
  width: var(--control-circle);
  height: var(--control-circle);
  border-radius: var(--radius-full);
  border: 1px solid rgb(25 27 26 / 0.18);
  color: var(--ink-900);
  background: transparent;
  flex: none;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}
.circle-btn--ondark {
  border-color: var(--ondark-line);
  color: var(--ondark-100);
}
.circle-btn--filled {
  background: var(--green-200);
  border-color: var(--green-200);
  color: var(--green-900);
}

/* Arrow glyph drawn with borders (no icon dependency) */
.arrow {
  width: 0.7em;
  height: 0.7em;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  flex: none;
  transition: transform var(--duration-fast) var(--ease-out);
}

/* Text-label button with a trailing circle (primary interaction pattern) */
.btn-circle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  min-height: var(--control-circle);
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}
.btn-circle--ondark { color: var(--ondark-100); }

.btn-circle:hover .circle-btn {
  background: var(--green-700);
  border-color: var(--green-700);
  color: #fff;
}
.btn-circle:hover .circle-btn--filled {
  background: var(--green-100);
  border-color: var(--green-100);
  color: var(--green-900);
}
.btn-circle:hover .arrow { transform: rotate(45deg) translate(2px, -2px); }

/* Outlined rectangular button (secondary) */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: var(--control-height);
  padding: 0 var(--control-pad-x);
  border: 1px solid rgb(25 27 26 / 0.22);
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--ink-900);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}
.btn-outline:hover {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: #fff;
}
.btn-outline--ondark {
  border-color: var(--ondark-line);
  color: var(--ondark-100);
}
.btn-outline--ondark:hover {
  background: #fff;
  border-color: #fff;
  color: var(--green-900);
}

/* Quiet inline arrow-link */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  color: var(--color-accent-strong);
}
.link-arrow:hover .arrow { transform: rotate(45deg) translate(3px, -3px); }