/* Barbell Calc — tool-specific styles (relies on /styles.css variables) */

:root,
[data-theme="dark"] {
  --bc-red: #c0524f;
  --bc-blue: #5572c4;
  --bc-yellow: #c8a44f;
  --bc-green: #4fae7f;
  --bc-white: #cfd4dd;
  --bc-steel: #8b93a3;
}

[data-theme="light"] {
  --bc-red: #b04340;
  --bc-blue: #3d5cb0;
  --bc-yellow: #a8842e;
  --bc-green: #237a52;
  --bc-white: #9aa1ad;
  --bc-steel: #6d7688;
}

.page-label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-left: 0.25rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.auth-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.4rem;
}

.auth-area iframe {
  color-scheme: light;
}

.auth-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}

.sync-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--gain);
}

.sync-dot.is-paused {
  background: var(--loss);
}

.bc-main {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.bc-card {
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}

.bc-label,
.bc-bar-label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.input {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.15s;
}

.input:focus {
  outline: none;
  border-color: var(--accent);
}

.input::placeholder {
  color: var(--text-faint);
}

.chip {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all 0.15s;
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--accent);
  color: var(--text);
}

.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #14120c;
}

[data-theme="light"] .chip[aria-pressed="true"] {
  color: #fffaf0;
}

.chip:disabled {
  opacity: 0.35;
  cursor: default;
  border-color: var(--border);
}

/* Viz card */
.bc-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}

.bc-unit-toggle {
  display: flex;
  gap: 0.35rem;
}

.bc-bar-label {
  margin-left: 0.5rem;
}

.bc-bar-select {
  width: auto;
  padding: 0.4rem 0.6rem;
  font-size: 0.9rem;
}

.bc-total {
  margin-left: auto;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
}

#bar-viz {
  width: 100%;
  height: 280px;
  display: block;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-soft);
  touch-action: manipulation;
}

.bc-breakdown {
  margin: 0.55rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  min-height: 1.2em;
}

/* Tabs */
.bc-tabs {
  display: flex;
  gap: 0.35rem;
  border-bottom: 1px solid var(--border);
  padding: 0 0.25rem;
}

.bc-tabs [role="tab"] {
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}

.bc-tabs [role="tab"]:hover {
  color: var(--text);
}

.bc-tabs [role="tab"][aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Reverse tab */
.bc-field-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.bc-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bc-target {
  max-width: 9rem;
  font-size: 1.2rem;
}

.bc-unit-suffix {
  color: var(--text-faint);
  font-size: 0.9rem;
}

.bc-result-line {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0 0 0.6rem;
}

.bc-result-line strong {
  color: var(--text);
}

.bc-plates-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.bc-plate-tag {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.85rem;
  padding: 0.3rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text);
}

.bc-candidates {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.bc-candidate {
  text-align: left;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--bg-soft);
  transition: border-color 0.15s, background 0.15s;
}

.bc-candidate:hover {
  border-color: var(--accent);
}

.bc-candidate[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.bc-candidate .cw {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 1.2rem;
  color: var(--text);
  display: block;
}

.bc-candidate .cd {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  display: block;
  margin: 0.15rem 0 0.35rem;
}

.bc-candidate .cd.under {
  color: var(--loss);
}

.bc-candidate .cd.over {
  color: var(--gain);
}

.bc-candidate .cp {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.bc-note {
  margin: 0.6rem 0 0;
  font-size: 0.8rem;
  color: var(--text-faint);
}

.bc-error {
  margin: 0;
  font-size: 0.9rem;
  color: var(--loss);
}

/* Builder tab */
.bc-hint {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--text-faint);
}

.bc-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}

.bc-palette .chip .n {
  opacity: 0.65;
  font-size: 0.72rem;
  margin-left: 0.3rem;
}

.bc-loaded {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
  min-height: 1.5rem;
}

.bc-loaded .bc-plate-tag {
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.bc-loaded .bc-plate-tag:hover {
  border-color: var(--loss);
  color: var(--loss);
}

.bc-builder-foot {
  display: flex;
  gap: 0.5rem;
}

/* Saved tab */
.bc-saved-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.25rem;
  border-bottom: 1px solid var(--border);
}

.bc-saved-row:last-child {
  border-bottom: none;
}

.bc-saved-row .sname {
  font-weight: 500;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bc-saved-row .ssum {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--text-faint);
  white-space: nowrap;
}

.bc-saved-row .del {
  width: 2rem;
  height: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text-faint);
  display: grid;
  place-items: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.bc-saved-row .del:hover {
  color: var(--loss);
  border-color: color-mix(in srgb, var(--loss) 45%, var(--border));
}

.bc-empty {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-faint);
}

/* Save-name row */
.bc-save-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.bc-save-row[hidden] {
  display: none;
}

.bc-save-row .input {
  max-width: 18rem;
}

/* Inventory + about disclosures */
.bc-inventory,
.bc-about {
  margin-top: 0.25rem;
  max-width: 68ch;
}

.bc-inventory summary,
.bc-about summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  transition: color 0.15s;
  width: fit-content;
}

.bc-inventory summary::-webkit-details-marker,
.bc-about summary::-webkit-details-marker {
  display: none;
}

.bc-about summary::before {
  content: "▸ ";
}

.bc-about[open] summary::before {
  content: "▾ ";
}

.bc-inventory summary:hover,
.bc-about summary:hover {
  color: var(--text-muted);
}

.bc-inventory[open] summary,
.bc-about[open] summary {
  margin-bottom: 0.75rem;
}

.bc-inv-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0;
}

.bc-inv-row .w {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  width: 4.5rem;
  color: var(--text);
}

.bc-inv-row .stepper {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.bc-inv-row .stepper button {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text-muted);
  display: grid;
  place-items: center;
  transition: all 0.15s;
}

.bc-inv-row .stepper button:hover {
  border-color: var(--accent);
  color: var(--text);
}

.bc-inv-row .stepper .cnt {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  width: 2rem;
  text-align: center;
}

.bc-inv-row .pairs {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  color: var(--text-faint);
}

.bc-inv-row .del {
  margin-left: auto;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-faint);
  display: grid;
  place-items: center;
  transition: all 0.15s;
}

.bc-inv-row .del:hover {
  color: var(--loss);
  border-color: color-mix(in srgb, var(--loss) 45%, var(--border));
}

.bc-add-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.6rem;
  flex-wrap: wrap;
}

.bc-add-row .input {
  max-width: 6.5rem;
}

.bc-add-error {
  font-size: 0.75rem;
  color: var(--loss);
}

.bc-about h2 {
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  margin: 1.25rem 0 0.4rem;
}

.bc-about h2:first-of-type {
  margin-top: 0;
}

.bc-about p {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.bc-disclaimer {
  margin: 0.5rem 0 0;
  font-size: 0.7rem;
  color: var(--text-faint);
  text-align: center;
}

/* Mobile */
@media (max-width: 560px) {
  .bc-candidates {
    grid-template-columns: 1fr;
  }

  .bc-total {
    font-size: 1.2rem;
  }

  #bar-viz {
    height: 210px;
  }

  .page-label {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chip,
  .bc-candidate,
  .bc-tabs [role="tab"] {
    transition: none;
  }
}