/* ═══════════════════════════════════════════════════════════════════════════
   training-cards.css — NutriLift · Redesign editor esercizi (FASE ①)
   ───────────────────────────────────────────────────────────────────────────
   Drop-in SOLO CSS. Nessuna modifica a JS, handler, markup o schema DB.
   Il drag&drop e tutti gli onchange/onclick restano invariati.

   INSTALLA: includi questo file DOPO css/training-esercizi.css, es.
       <link rel="stylesheet" href="css/training-esercizi.css">
       <link rel="stylesheet" href="css/training-cards.css">   <!-- ← qui -->

   COSA FA:
   • Promuove il layout "card" (già esistente nel @media mobile) a ogni larghezza
   • Header di sezione con accento per tipo (🔥 Riscaldamento / 🏋️ Workout / 🧘 Defaticamento)
   • Card esercizio con spina colore-muscolo, tile valori e prescrizione compatta
   • Refinement tech-pill, note/cadenza/video, riga "Aggiungi", stato vuoto
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Accento per sezione (chiave dall'id: day-section-<dayId>-<sezione>) ─── */
.day-section { --sec: var(--gradient-app-start, #667eea); }
.day-section[id$="-riscaldamento"] { --sec: #f59e0b; }
.day-section[id$="-workout"]       { --sec: var(--gradient-app-start, #667eea); }
.day-section[id$="-defaticamento"] { --sec: #0ea5e9; }

.day-section {
  border: 1.5px solid var(--border-light);
  border-radius: 13px;
  overflow: hidden;
  margin-bottom: 12px;
  background: var(--bg-surface);
}

.day-section-header {
  gap: 10px;
  box-sizing: border-box;
  padding: 11px 14px;
  border-left: 4px solid var(--sec);
  background: color-mix(in srgb, var(--sec) 8%, var(--bg-surface-raised));
}
.day-section-title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-heading);
}
.day-section-count {
  font-weight: 800;
  color: var(--sec);
  background: color-mix(in srgb, var(--sec) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--sec) 32%, transparent);
}
.day-section-toggle { color: var(--text-muted); }

.day-section--empty { opacity: 0.9; }
.day-section--empty .day-section-header { background: var(--bg-surface-raised); }
.day-section-body {
  padding: 11px;
  background: color-mix(in srgb, var(--bg-surface-raised) 55%, var(--bg-surface));
}

/* ─── Tabella → blocco card (a ogni larghezza) ───────────────────────────── */
.exercise-table,
.exercise-table tbody,
.exercise-main-row,
.tech-row,
.exercise-sub-row,
.ex-sets-panel { display: block; width: 100%; }

.exercise-table { border-spacing: 0; margin: 0; }
.exercise-table thead { display: none; }

/* Card: riga compatta, una sola linea (nome + 6 valori + maniglia/chevron) */
.exercise-main-row,
.exercise-sub-row {
  position: relative;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: minmax(0,1.8fr) repeat(6, minmax(0,0.62fr)) 80px;
  align-items: center;
  gap: 6px 10px;
  margin: 0;
  padding: 11px 14px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-light);
  border-left: 4px solid var(--ex-color, var(--border-medium));
  border-radius: 13px;
  cursor: pointer;
}

/* Cardio: la riga non deve raccontare una prescrizione a serie/reps/carico.
   Tiene il nome, un riepilogo cardio e le azioni, con la stessa altezza compatta. */
.exercise-main-row--cardio {
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 6fr) 80px;
}
.exercise-main-row--cardio .exercise-cardio-cell {
  grid-column: 2;
  display: flex !important;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px 14px;
  min-width: 0;
  padding: 9px 14px !important;
  border: 1px solid color-mix(in srgb, var(--ex-color) 24%, var(--border-light)) !important;
  border-radius: 9px;
  background: color-mix(in srgb, var(--ex-color) 8%, var(--bg-surface-raised));
}
.exercise-cardio-cell__eyebrow {
  color: var(--text-muted);
  font-size: 9.5px;
  font-weight: 850;
  letter-spacing: .07em;
  text-transform: uppercase;
}

/* I target assegnati dal PT: una colonnina per parametro, etichetta sopra e
   valore sotto come nelle celle SERIE/REPS/PESO delle righe a carichi.
   Quattro colonne fisse e identiche in ogni riga — volume · intensità 1 ·
   intensità 2 · FC — assegnate per slot dal renderer: chi non ha la seconda
   intensità lascia la sua colonna vuota invece di far scorrere la FC a
   sinistra, così i parametri restano incolonnati tra esercizi diversi.
   Le colonne sono frazioni della cella (mai max-content), perché la larghezza
   deve dipendere solo dalla riga e non dal contenuto di quella riga. */
.exercise-cardio-cell__targets {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  flex: 1 1 auto;
  align-items: center;
  gap: 6px 18px;
  min-width: 0;
  padding-right: 4px;
}
.exercise-cardio-target {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.exercise-cardio-target--volume { grid-column: 1; }
.exercise-cardio-target--i1 { grid-column: 2; }
.exercise-cardio-target--i2 { grid-column: 3; }
.exercise-cardio-target--fc { grid-column: 4; }
.exercise-cardio-target__cap,
.exercise-cardio-target__val {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.exercise-cardio-target__cap {
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.exercise-cardio-target__val {
  color: var(--text-heading);
  font-size: 15px;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}
.exercise-cardio-target--todo .exercise-cardio-target__val {
  color: var(--warning, #f59e0b);
  font-weight: 800;
}

.exercise-main-row td,
.exercise-sub-row td {
  display: block;
  width: auto !important;
  min-width: 0;
  padding: 0 !important;
  border: none !important;
  background: transparent;
  text-align: left;
  vertical-align: middle;
}
.t-drag-handle { color: var(--text-hint, #b7b3c2); cursor: grab; font-size: 15px; }

/* nome + gruppo, prima colonna della riga */
.exercise-name-cell {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  overflow: hidden;
}
.ex-name-text {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-left: 5px;
}
.exercise-group-tag {
  margin-top: 0;
  background: color-mix(in srgb, var(--ex-color) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--ex-color) 30%, transparent);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.02em;
  opacity: 1;
  flex-shrink: 0;
}
/* Colore fisso (non --ex-color): è un dato di esecuzione, non di categoria
   muscolare, e non deve confondersi col tag gruppo che gli sta accanto. */
.exercise-unilateral-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 99px;
  background: color-mix(in srgb, #6366f1 12%, transparent);
  border: 1px solid color-mix(in srgb, #6366f1 30%, transparent);
  color: #6366f1;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}
.exercise-row-tech-pill {
  flex-shrink: 0;
  align-self: center;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 850;
  line-height: 1.2;
  gap: 0;
  white-space: nowrap;
}
.exercise-row-tech-pill .tech-pill-name {
  font-size: inherit;
  font-weight: inherit;
}
.exercise-alt-indicator {
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* valori statici (Serie/Reps/Peso/Rec/RPE/Buffer): etichetta sopra, valore sotto */
.exercise-value-cell {
  display: flex !important;
  flex-direction: column !important;
  gap: 2px;
  min-width: 0;
}
.exercise-value-cap {
  font-size: 8.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  white-space: nowrap;
}
.exercise-value-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-heading);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.exercise-value-cell--target .exercise-value-num {
  color: var(--gradient-app-start, #667eea);
}

/* maniglia drag + chevron, ultima colonna della riga */
.exercise-end-cell {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.exercise-chevron {
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
}

.exercise-input,
.exercise-input--wide,
.exercise-input--target {
  width: 60px !important;
  box-sizing: border-box;
  padding: 9px 8px;
  border: 1.5px solid var(--border-medium);
  border-radius: 9px;
  background: var(--bg-surface-raised);
  color: var(--text-heading);
  font-size: 14.5px;
  font-weight: 800;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.exercise-input:focus { border-color: var(--sec, var(--gradient-app-start)); }

/* RPE / Buffer in evidenza (accent brand) */
.exercise-input--target {
  color: var(--gradient-app-start, #667eea);
  border-color: color-mix(in srgb, var(--gradient-app-start, #667eea) 35%, var(--border-medium));
  background: color-mix(in srgb, var(--gradient-app-start, #667eea) 7%, var(--bg-surface-raised));
}

/* peso: select tipo + input */
.peso-wrap {
  display: flex;
  align-items: stretch;
  gap: 5px;
  width: 100%;
}
.peso-type-sel {
  flex: 0 0 44px;
  border: 1.5px solid var(--border-medium);
  border-radius: 9px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.peso-rm-label {
  font-size: 10px;
  color: var(--text-muted);
  align-self: center;
  white-space: nowrap;
}

/* EMOM: occupa 3 colonne valore (Serie/Reps/Rec); il Peso resta in una cella a sé.
   Deve combaciare col colspan="3" del markup: la riga usa quattro tracce valore
   (name + emom + Peso + end), senza aggiungere RPE e Buffer al canvas. */
.exercise-emom-cell {
  grid-column: span 3;
  display: flex !important;
  align-items: center;
  gap: 6px;
  overflow: hidden;
  padding: 0 !important;
}

/* azioni a tutta larghezza, allineate a destra */
.exercise-actions-cell { grid-column: 1 / -1; }
.exercise-row-actions { justify-content: flex-end; gap: 8px; }

/* ─── Parte bassa card: tech-row (pills, sezione, note/cadenza/video) ─────── */
.tech-pills-wrap {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}
/* niente a-capo dentro le pill tecnica */
.tech-pill { white-space: nowrap; }
.tech-pill-name { white-space: nowrap; }
.ex-section-select {
  margin-left: auto;
  border-radius: 8px;
  padding: 5px 8px;
  font-weight: 700;
}

.note-video-wrap {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 9px;
}
.note-video-wrap input,
.exercise-note-input,
.exercise-cadenza-input,
.exercise-video-input {
  flex: 1 1 200px;
  min-width: 0;
  box-sizing: border-box;
  padding: 8px 11px;
  border: 1.5px solid var(--border-light);
  border-radius: 9px;
  background: var(--bg-surface-raised);
  color: var(--text-primary);
  font-size: 12.5px;
}
.exercise-note-input { flex: 2 1 240px; }

/* ─── Riga "Aggiungi esercizi / Da preset" per sezione ────────────────────── */
.add-exercise-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.add-exercise-row .btn-primary {
  flex: 1;
  justify-content: center;
  border: 1.5px dashed color-mix(in srgb, var(--sec) 45%, transparent);
  background: color-mix(in srgb, var(--sec) 8%, transparent);
  color: var(--sec);
  font-weight: 800;
}
.add-exercise-row .btn-primary:hover {
  background: color-mix(in srgb, var(--sec) 14%, transparent);
}

/* ─── Pannello gruppi serie: fuso visivamente con la riga esercizio sopra ─── */
.ex-sets-panel > td { padding: 0 !important; }
.exercise-main-row--has-sub-rows::after {
  content: "";
  position: absolute;
  left: 16px;
  bottom: -9px;
  width: 2px;
  height: 9px;
  background: color-mix(in srgb, var(--ex-color) 52%, var(--border-medium));
  border-radius: 999px;
}
/* Pre-affaticamento: i collegati stanno SOPRA. Serve solo lo stacco — la linea che
   attraversa lo spazio la disegna il collegato stesso (.exercise-sub-row--linked-ex),
   in un colore solo. Senza questo margine le due card si toccano e non c'e' spazio
   in cui vedere il collegamento. Convive con --has-sub-rows: il principale puo'
   avere il giro sopra e le proprie serie aggiuntive sotto. */
.exercise-main-row--sub-rows-above {
  margin-top: 6px;
}
.exercise-sub-row {
  margin-top: 6px;
  background: var(--bg-surface);
}
.exercise-sub-row--linked {
  border-left-color: color-mix(in srgb, var(--ex-color) 70%, var(--border-medium));
  background:
    linear-gradient(90deg,
      color-mix(in srgb, var(--ex-color) 9%, var(--bg-surface)) 0%,
      var(--bg-surface) 46%);
  box-shadow:
    inset 14px 0 0 color-mix(in srgb, var(--ex-color) 8%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--ex-color) 9%, transparent);
}
.exercise-sub-row--linked::before,
.exercise-sub-row--linked::after {
  content: "";
  position: absolute;
  background: color-mix(in srgb, var(--ex-color) 52%, var(--border-medium));
  pointer-events: none;
}
.exercise-sub-row--linked::before {
  left: 15px;
  top: -8px;
  bottom: 50%;
  width: 2px;
  border-radius: 999px 999px 0 0;
}
.exercise-sub-row--linked::after {
  left: 15px;
  top: 50%;
  width: 16px;
  height: 2px;
  border-radius: 0 999px 999px 0;
}
.exercise-sub-row--linked .ex-name-text {
  margin-left: 22px;
}
/* Il collegato rientra rispetto al principale: e' dentro al suo giro, non una riga
   pari grado. Con width:100% ereditato serve compensare, o sborda a destra. Il
   rientro e' 24px perche' il raccordo vive nel canale che libera, allineato a 16px
   col trattino del principale: le due linee ne formano una sola. */
.exercise-sub-row--linked-ex {
  /* Un colore solo per tutta la card del collegato: bordo, sfondo, gomito e tag.
     È lo stesso della pill della tecnica sulla riga principale (.tech-pill--*),
     così il giro si riconosce dal colore invece che leggendo l'etichetta. */
  --linked-accent: #06b6d4;
  margin-left: 24px;
  width: calc(100% - 24px);
  border-left-color: color-mix(in srgb, var(--linked-accent) 70%, var(--border-medium));
  background:
    linear-gradient(90deg,
      color-mix(in srgb, var(--linked-accent) 10%, var(--bg-surface)) 0%,
      var(--bg-surface) 46%);
  box-shadow:
    inset 14px 0 0 color-mix(in srgb, var(--linked-accent) 9%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--linked-accent) 10%, transparent);
}
/* Pre-affaticamento: rosso come .tech-pill--pre-exhaust. */
.exercise-sub-row--linked-ex--pre-exhaust {
  --linked-accent: #f43f5e;
}
.exercise-sub-row--linked-ex .exercise-group-tag {
  color: var(--linked-accent);
  font-weight: 800;
}

/* Il gomito che lega il collegato al principale: verticale nel canale del rientro,
   trattino orizzontale che entra nella card. */
.exercise-sub-row--linked-ex::before,
.exercise-sub-row--linked-ex::after {
  content: "";
  position: absolute;
  background: color-mix(in srgb, var(--linked-accent) 58%, var(--border-medium));
  pointer-events: none;
}
.exercise-sub-row--linked-ex::before {
  left: -8px;
  top: -9px;
  bottom: 50%;
  width: 2px;
  border-radius: 999px 999px 0 0;
}
.exercise-sub-row--linked-ex::after {
  left: -8px;
  top: calc(50% - 1px);
  width: 8px;
  height: 2px;
  border-radius: 0 999px 999px 0;
}

/* Pre-affaticamento: il principale sta SOTTO, quindi la verticale scende verso di
   lui invece di risalire. */
.exercise-sub-row--linked-ex-above::before {
  top: 50%;
  bottom: -9px;
  border-radius: 0 0 999px 999px;
}

/* Sotto i 1100px le card si incollano in verticale (css/training-esercizi.css):
   li' il rientro spezzerebbe la colonna, e il colore basta a dire che e' un
   collegato. */
@media (max-width: 1100px) {
  .exercise-sub-row--linked-ex {
    margin-left: 0;
    width: 100%;
  }
  /* Senza canale non c'e' dove disegnare il gomito. */
  .exercise-sub-row--linked-ex::before,
  .exercise-sub-row--linked-ex::after {
    content: none;
  }
}
.exercise-sub-row__label {
  min-width: 0;
}
.exercise-sub-row .exercise-group-tag {
  margin-top: 0;
}
.exercise-sub-row .exercise-end-cell {
  justify-content: flex-end;
}

/* spazio tra l'unità di un esercizio (riga + eventuali sotto-serie) e la successiva */
.exercise-table tbody > tr.ex-sets-panel { margin-bottom: 10px; }

/* ─── Responsive: la card .exercise-sub-row passa a 2 colonne; la riga compatta
   .exercise-main-row resta su una linea e lascia che le sue colonne minmax(0,…)
   si restringano, con i testi che troncano via ellipsis (vedi Step 3) ───────── */
@media (max-width: 720px) {
  .ex-section-select { margin-left: 0; }
}

/* ─── Badge numero (ordine esercizio nella sezione) — CSS counter, nessun markup/JS toccato ─── */
.day-section-body { counter-reset: ex-num; }
.exercise-main-row { counter-increment: ex-num; }
.exercise-main-row::before {
  content: counter(ex-num);
  position: absolute;
  top: -9px;
  left: -9px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ex-color, var(--border-medium));
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  line-height: 20px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
  z-index: 1;
}

/* ─── Task 6: value-tile read-state for the canvas exercise card (additive, CSS-only) ───
   Real markup (js/training/training-exercise.js, valueCell()): each value is
   <td class="exercise-value-cell [--reps|--target]"><span class="exercise-value-cap">LABEL</span>
   <span class="exercise-value-num">…</span></td>. Labels already render inline (no data-label
   in the DOM). .exercise-main-row already has a 4px left spine; this section adds the
   subtle tile grouping and hover lift used by the day-canvas card. */
.exercise-value-cell {
  padding: 3px 7px;
  border-radius: 8px;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-light);
}
.exercise-value-cell--target {
  background: color-mix(in srgb, var(--rl-warm, var(--warning)) 11%, var(--bg-surface-raised));
  border-color: color-mix(in srgb, var(--rl-warm, var(--warning)) 30%, var(--border-light));
}
.exercise-value-cell--target .exercise-value-num {
  color: var(--rl-warm, var(--warning));
}
.exercise-main-row:hover {
  box-shadow: 0 2px 8px var(--shadow-sm, rgba(0,0,0,.08));
}