/* PRUMO — Estilos da Biblioteca de Exercícios e 5 Layouts de Ficha Técnica */

/* Grelha Dinâmica da Biblioteca de Exercícios */
.exercise-filter-bar {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 24px;
  margin-bottom: 40px;
}

.filter-group-row {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.filter-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  min-width: 90px;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border-light);
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover {
  background-color: var(--bg-card);
  border-color: var(--text-main);
}

.filter-btn.active {
  background-color: var(--text-main);
  color: var(--text-light);
  border-color: var(--text-main);
}

.filter-results-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  margin-top: 16px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Grelha Assimétrica de Exercícios */
.exercise-library-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.exercise-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
  overflow: hidden;
}

.exercise-card:hover {
  border-color: var(--text-main);
  box-shadow: 0 12px 28px rgba(0,0,0,0.06);
}

.exercise-card .card-img-wrap {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-card);
}

.exercise-card .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.exercise-card:hover .card-img-wrap img {
  transform: scale(1.03);
}

.exercise-card .card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.exercise-card .card-meta-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}

.exercise-card .card-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--text-main);
  margin-bottom: 4px;
}

.exercise-card .card-sanskrit {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.exercise-card .card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.exercise-card .card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

/* Rhythm Modifiers */
.card-span-12 {
  grid-column: span 12;
}

@media (min-width: 900px) {
  .card-span-12.card-wide-split {
    display: grid;
    grid-template-columns: 7fr 5fr;
  }
  .card-span-12.card-wide-split .card-img-wrap {
    height: 100%;
    min-height: 380px;
  }
}

.card-span-8 {
  grid-column: span 12;
}
@media (min-width: 900px) {
  .card-span-8 { grid-column: span 8; }
  .card-span-8 .card-img-wrap { height: 360px; }
}

.card-span-6 {
  grid-column: span 12;
}
@media (min-width: 768px) {
  .card-span-6 { grid-column: span 6; }
  .card-span-6 .card-img-wrap { height: 280px; }
}

.card-span-4 {
  grid-column: span 12;
}
@media (min-width: 768px) {
  .card-span-4 { grid-column: span 6; }
}
@media (min-width: 1024px) {
  .card-span-4 { grid-column: span 4; }
  .card-span-4 .card-img-wrap { height: 240px; }
}

/* ===================================================
   OS 5 LAYOUTS ESPECÍFICOS DE EXERCÍCIOS
   =================================================== */

/* Caixa de Cadência Respiratória */
.cadence-box {
  background-color: var(--bg-card);
  border-left: 3px solid var(--accent-clay);
  padding: 20px 24px;
  margin: 24px 0;
}

.cadence-box h4 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-clay);
  margin-bottom: 8px;
}

/* Painel Técnico de Execução */
.tech-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 20px 0;
  margin: 24px 0;
  font-family: var(--font-mono);
}

.tech-spec-item .spec-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.tech-spec-item .spec-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 4px;
}

/* Lista Numerada de Passos */
.exercise-steps-list {
  list-style: none;
  counter-reset: step-counter;
  margin: 30px 0;
}

.exercise-steps-list li {
  position: relative;
  padding-left: 54px;
  margin-bottom: 24px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.exercise-steps-list li::before {
  counter-increment: step-counter;
  content: counter(step-counter, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--accent-clay);
  font-weight: 500;
}

/* Comparativo de Progressões */
.progression-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 30px 0;
}

@media (min-width: 768px) {
  .progression-split {
    grid-template-columns: 1fr 1fr;
  }
}

.progression-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 24px;
}

.progression-card.variation {
  border-top: 3px solid #8C998B;
}

.progression-card.advance {
  border-top: 3px solid var(--accent-clay);
}

.progression-card h4 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

/* LAYOUT 1: SPLIT SCREEN TÉCNICO */
.ex-layout-split .exercise-detail-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 40px;
  margin-bottom: 60px;
}

@media (min-width: 1024px) {
  .ex-layout-split .exercise-detail-hero {
    grid-template-columns: 5.5fr 6.5fr;
    gap: 60px;
  }
  .ex-layout-split .sticky-exercise-visual {
    position: sticky;
    top: 100px;
    height: fit-content;
  }
}

/* LAYOUT 2: MAGAZINE SPREAD */
.ex-layout-magazine .mag-header-full {
  text-align: center;
  padding: 60px 0 40px 0;
  max-width: 860px;
  margin: 0 auto;
}

.ex-layout-magazine .mag-image-feature {
  margin: 0 auto 50px auto;
  max-width: 1100px;
  border: 1px solid var(--border-light);
}

.ex-layout-magazine .mag-image-feature img {
  width: 100%;
  max-height: 600px;
  object-fit: cover;
}

/* LAYOUT 3: VISUAL MOVEMENT GUIDE */
.ex-layout-visual .visual-flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.ex-layout-visual .visual-flow-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 20px;
}

.ex-layout-visual .visual-flow-card .flow-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-clay);
  font-weight: 700;
  margin-bottom: 8px;
}

/* LAYOUT 4: FOCO ARQUITETÓNICO */
.ex-layout-architectural .arch-hero-box {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 60px 40px;
  margin-bottom: 50px;
  border: 1px solid var(--border-dark);
}

.ex-layout-architectural .arch-hero-box h1 {
  color: var(--text-light);
}

.ex-layout-architectural .arch-hero-box p {
  color: var(--text-light-muted);
}

/* LAYOUT 5: ANATOMIA & PROGRESSÃO */
.ex-layout-progression .progression-timeline {
  border-left: 2px solid var(--border-light);
  padding-left: 30px;
  margin: 40px 0;
}

.ex-layout-progression .timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.ex-layout-progression .timeline-item::before {
  content: "";
  position: absolute;
  left: -37px;
  top: 6px;
  width: 12px;
  height: 12px;
  background-color: var(--accent-clay);
  border-radius: 50%;
}

/* ===================================================
   MOBILE-FIRST REFINEMENTS & CRITICAL OVERRIDES
   =================================================== */
@media (max-width: 768px) {
  .exercise-filter-bar {
    padding: 16px;
    margin-bottom: 28px;
  }
  .filter-group-row {
    gap: 12px;
  }
  .filter-row {
    gap: 6px;
  }
  .filter-label {
    width: 100%;
    margin-bottom: 4px;
    font-size: 0.72rem;
    font-weight: 700;
  }
  .filter-btn {
    padding: 8px 12px;
    font-size: 0.72rem;
    min-height: 38px;
  }
  .filter-results-info {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .exercise-card .card-body {
    padding: 18px;
  }
  .exercise-card .card-title {
    font-size: 1.25rem;
  }
  .card-span-12.card-wide-split {
    display: flex;
    flex-direction: column;
  }
  .card-span-12.card-wide-split .card-img-wrap {
    min-height: 240px;
    height: 240px;
  }
  .exercise-steps-list li {
    padding-left: 42px;
    font-size: 0.98rem;
    margin-bottom: 18px;
  }
  .exercise-steps-list li::before {
    font-size: 1.4rem;
  }
  .tech-spec-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 16px 0;
  }
  .progression-split {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  .ex-layout-split .exercise-detail-hero {
    padding-top: 20px;
    margin-bottom: 36px;
    gap: 24px;
  }
  .ex-layout-architectural .arch-hero-box {
    padding: 36px 20px;
    margin-bottom: 30px;
  }
  .exercise-library-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
  }
  .exercise-library-grid > * {
    grid-column: span 12 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
}