/* ===== APP SHARED ===== */
.nav__links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__link {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.15s;
}

.nav__link:hover { color: var(--fg); }

.app-main {
  padding: 3rem;
  max-width: 860px;
  margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 3px;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.15s, color 0.15s;
  font-family: 'Jost', sans-serif;
}

.btn-primary {
  background: var(--accent);
  color: var(--fg-inverse);
}

.btn-primary:hover { background: var(--accent-light); color: var(--fg); }

.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--card-border);
}

.btn-ghost:hover {
  background: var(--card-bg);
  color: var(--fg);
}

/* ===== PIECE LIST ===== */
.pieces-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.pieces-header h1 {
  font-size: 2rem;
  color: var(--fg);
}

.piece-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.piece-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  text-decoration: none;
  color: var(--fg);
  transition: background 0.15s, border-color 0.15s;
}

.piece-card:hover {
  background: var(--bg);
  border-color: var(--accent);
}

.piece-card__diff {
  width: 6px;
  height: 40px;
  border-radius: 3px;
  flex-shrink: 0;
}

.diff-beginner { background: var(--done); }
.diff-intermediate { background: var(--active); }
.diff-advanced { background: var(--fg-muted); }

.piece-card__info {
  flex: 1;
}

.piece-card__name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.25rem;
}

.piece-card__meta {
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-weight: 300;
}

.piece-card__target {
  font-size: 0.82rem;
  color: var(--fg-muted);
  text-align: right;
  font-weight: 300;
}

.piece-card__stats {
  display: flex;
  gap: 1.5rem;
  text-align: center;
}

.piece-card__stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1;
}

.piece-card__stat-label {
  font-size: 0.7rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  margin-top: 0.2rem;
}

.piece-card__arrow {
  color: var(--fg-muted);
  font-size: 1.2rem;
}

/* ===== EMPTY STATE ===== */
.empty {
  text-align: center;
  padding: 5rem 2rem;
}

.empty h2 {
  font-size: 1.8rem;
  color: var(--fg);
  margin-bottom: 0.75rem;
}

.empty p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  font-weight: 300;
  margin-bottom: 2rem;
}

/* ===== FORM ===== */
.form-card {
  max-width: 540px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 3px;
  font-size: 0.95rem;
  color: var(--fg);
  font-family: 'Jost', sans-serif;
  font-weight: 300;
  outline: none;
  transition: border-color 0.15s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 0.4rem;
  font-weight: 300;
}

.form-section-add {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

.sections-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.section-chip {
  background: var(--done-bg);
  border: 1px solid var(--done);
  color: var(--done);
  font-size: 0.78rem;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-weight: 400;
}

.section-chip button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--done);
  margin-left: 0.4rem;
  font-size: 0.85rem;
  line-height: 1;
  padding: 0;
}

/* ===== PIECE DETAIL ===== */
.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.detail-header h1 {
  font-size: 2.2rem;
  color: var(--fg);
  margin-bottom: 0.3rem;
}

.detail-header .meta {
  font-size: 0.82rem;
  color: var(--fg-muted);
  font-weight: 300;
}

.detail-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.section-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 1.25rem;
  text-align: center;
}

.section-card__label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.5rem;
}

.section-card__sub {
  font-size: 0.75rem;
  color: var(--fg-muted);
  font-weight: 300;
}

.logs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.logs-header h2 {
  font-size: 1.4rem;
  color: var(--fg);
}

.log-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.75rem;
}

.log-card__date {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.75rem;
}

.log-card__times {
  display: flex;
  gap: 2rem;
  margin-bottom: 0.75rem;
}

.log-card__time {
  display: flex;
  flex-direction: column;
}

.log-card__time-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1;
}

.log-card__time-label {
  font-size: 0.72rem;
  color: var(--fg-muted);
  margin-top: 0.2rem;
}

.log-card__goal {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-weight: 400;
}

.log-card__goal--met {
  background: var(--done-bg);
  color: var(--done);
}

.log-card__goal--missed {
  background: var(--pending-bg);
  color: var(--pending);
}

.log-card__notes {
  font-size: 0.88rem;
  color: var(--fg-muted);
  font-weight: 300;
  margin-top: 0.5rem;
  font-style: italic;
}

.no-logs {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--fg-muted);
  font-size: 0.9rem;
  font-weight: 300;
}

@media (max-width: 640px) {
  .app-main { padding: 2rem 1.5rem; }
  .pieces-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .piece-card__stats { display: none; }
  .detail-header { flex-direction: column; gap: 1rem; }
  .section-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
}