:root {
  --bg-base:        #0a0a0a;
  --bg-surface:     #0a0a0a;
  --bg-elevated:    #1a1a1a;
  --bg-input:       #0a0a0a;
  --border:         rgba(255,255,255,.06);
  --border-hover:   rgba(200,240,74,.4);
  --accent:         #C8F04A; 
  --accent-muted:   rgba(200,240,74,.08);
  --text-primary:   #f5f5f0;
  --text-secondary: rgba(255,255,255,.6);
  --text-tertiary:  rgba(255,255,255,.4);
  --radius-sm:      6px;
  --radius-md:      8px;
  --radius-lg:      12px;
  --radius-xl:      16px;
  --sidebar-w:      320px;
  
  --font-display:   'Bebas Neue', sans-serif;
  --font-body:      'DM Sans', sans-serif;

  
  --muscle-rest:    #1a1a1a;
  --muscle-hover:   rgba(200,240,74,.2);
  --muscle-active:  #C8F04A;
  --muscle-stroke:  rgba(255,255,255,.1);
  --muscle-stroke-active: #0a0a0a;
}

body.exercices-page {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow: hidden;
}


nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 40px;
  background: linear-gradient(to bottom, rgba(10,10,10,.85) 0%, rgba(10,10,10,0) 100%);
  border-bottom: none;
}
.nav-logo {
  font-family: var(--font-display); font-size: 24px; letter-spacing: .08em; 
  color: var(--text-primary); text-decoration: none;
}
.nav-back {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; letter-spacing: .04em; text-transform: uppercase;
  color: var(--text-secondary); text-decoration: none; transition: color 0.3s;
}
.nav-back:hover { color: var(--text-primary); }
.nav-back svg { width: 16px; height: 16px; }


::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #555; }


.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  padding-top: 60px;
}


.sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  height: calc(100vh - 60px);
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 0;
}
.sidebar-header {
  padding: 24px 20px 16px;
  position: sticky; top: 0;
  background: var(--bg-surface);
  z-index: 1;
}
.sidebar-logo {
  font-family: var(--font-display); font-size: 32px; letter-spacing: .04em; color: var(--text-primary); line-height: 1;
}
.sidebar-logo span { color: var(--accent); }
.sidebar-body { padding: 0 20px 24px; display: flex; flex-direction: column; gap: 16px; }


.search-wrapper { position: relative; margin-bottom: 8px; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-tertiary); pointer-events: none; width: 16px; height: 16px; }
.search-box { width: 100%; padding: 12px 32px 12px 36px; background: var(--bg-input); border: 1px solid var(--border); border-radius: 100px; color: var(--text-primary); font-size: 14px; outline: none; transition: border-color 0.2s; }
.search-box::placeholder { color: var(--text-tertiary); }
.search-box:focus { border-color: var(--accent); }
.search-clear { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--text-tertiary); font-size: 18px; display: none; padding: 2px 6px; cursor: pointer; background: transparent; border: none; }
.search-clear:hover { color: var(--text-primary); }
.search-clear.visible { display: block; }


.anatomy-section { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.anatomy-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.anatomy-label { font-size: 11px; font-weight: 500; letter-spacing: .15em; text-transform: uppercase; color: var(--text-secondary); }
.view-toggle { display: flex; background: var(--bg-base); border-radius: 100px; padding: 2px; }
.view-btn { font-size: 11px; font-weight: 600; padding: 4px 12px; border-radius: 100px; color: var(--text-secondary); transition: all 0.2s; background: transparent; border: none; cursor: pointer; }
.view-btn.active { background: var(--accent); color: var(--bg-surface); }
.view-btn:not(.active):hover { color: var(--text-primary); }

.body-container { position: relative; padding: 16px; display: flex; justify-content: center; }
.body-view { width: 100%; max-width: 200px; background: #fff; border-radius: var(--radius-md); }
.body-view.hidden { display: none; }
.body-svg { width: 100%; height: auto; display: block; max-height: 400px; }


svg .body-deco[fill="#d1d5db"] { fill: #1c1c1c !important; }
svg .body-deco[fill="#bebebe"] { fill: #222 !important; }
svg .body-deco[fill="#3f3f3f"] { fill: #0f0f0f !important; }

.muscle { fill: var(--muscle-rest); stroke: var(--muscle-stroke); stroke-width: 2; cursor: pointer; transition: fill 0.2s, filter 0.2s; }
.muscle:hover { fill: var(--muscle-hover); }
.muscle.selected { fill: var(--muscle-active); stroke: var(--muscle-stroke-active); filter: drop-shadow(0 0 8px rgba(200,240,74,0.4)); }

.muscle-tooltip { position: absolute; background: var(--bg-surface); border: 1px solid var(--border); color: var(--text-primary); font-size: 11px; font-weight: 600; padding: 6px 12px; border-radius: 6px; pointer-events: none; opacity: 0; transform: translateY(-4px); transition: opacity 0.15s, transform 0.15s; white-space: nowrap; z-index: 50; box-shadow: 0 4px 12px rgba(0,0,0,0.5); letter-spacing: 0.02em; }
.muscle-tooltip.visible { opacity: 1; transform: translateY(0); }

.selection-info { padding: 12px 16px 16px; border-top: 1px solid var(--border); }
.selected-label-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.selected-label { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--text-tertiary); }
.sel-action-btn { font-size: 11px; color: var(--text-secondary); padding: 4px 10px; border-radius: 100px; border: 1px solid var(--border); transition: all 0.2s; background: transparent; cursor: pointer;}
.sel-action-btn:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-muted); }

.selected-tags { display: flex; flex-wrap: wrap; gap: 6px; min-height: 24px; }
.no-selection { font-size: 12px; color: var(--text-tertiary); font-style: italic; }
.sel-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; padding: 4px 10px; border-radius: 100px; background: var(--accent-muted); color: var(--accent); border: 1px solid rgba(200,240,74,0.2); }
.sel-tag-remove { font-size: 14px; color: var(--accent); opacity: 0.6; transition: opacity 0.2s; background: none; border: none; cursor: pointer;}
.sel-tag-remove:hover { opacity: 1; }


.filter-summary { font-size: 11px; font-weight: 500; letter-spacing: .15em; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 8px; }
.filter-options { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 6px 14px; border-radius: 100px; border: 1px solid var(--border); background: transparent; color: var(--text-secondary); font-family: var(--font-body); font-size: 13px; cursor: pointer; transition: all 0.2s; text-transform: capitalize; }
.chip:hover { border-color: rgba(255,255,255,.4); color: var(--text-primary); }
.chip.active { background: var(--accent); border-color: var(--accent); color: var(--bg-surface); font-weight: 500; }
.filter-show-more { background: transparent; border: 1px dashed var(--text-tertiary); }


.main-content { overflow-y: auto; height: calc(100vh - 60px); display: flex; flex-direction: column; }
.results-bar { padding: 20px 24px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; position: sticky; top: 0; background: rgba(10,10,10,.95); z-index: 2; border-bottom: 1px solid var(--border); backdrop-filter: blur(8px); }
.results-count { font-size: 13px; color: var(--text-secondary); margin-right: auto; }
.active-filters { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.active-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; background: var(--accent-muted); border: 1px solid var(--accent); color: var(--accent); border-radius: 100px; font-size: 12px; font-weight: 500; text-transform: capitalize; }
.active-badge-remove { font-size: 14px; color: inherit; opacity: 0.7; transition: opacity 0.2s; background: none; border: none; cursor: pointer;}
.active-badge-remove:hover { opacity: 1; }
.clear-all { font-size: 12px; color: var(--text-secondary); text-decoration: underline; background: none; border: none; cursor: pointer;}
.clear-all:hover { color: var(--text-primary); }


.grid-wrapper { padding: 24px 24px 48px; flex: 1; }
.exercise-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }

.initial-state-prompt {
  grid-column: 1 / -1; text-align: center; padding: 60px 24px;
  color: var(--text-secondary); max-width: 440px; margin: 40px auto 0;
}
.initial-state-prompt p:first-child { font-size: 44px; margin-bottom: 12px; }
.initial-state-prompt h3 {
  font-family: var(--font-display); font-size: 26px; letter-spacing: 0.04em;
  color: var(--accent); text-transform: uppercase; margin-bottom: 8px;
}
.initial-state-prompt p:last-child { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }

.exercise-card { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; cursor: pointer; transition: transform 0.3s ease, border-color 0.3s ease; }
.exercise-card:hover { transform: translateY(-4px); border-color: rgba(200,240,74,.4); }
.card-media { aspect-ratio: 16/10; background: var(--bg-surface); position: relative; overflow: hidden; }
.card-thumb, .card-gif { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity 0.3s; }
.card-gif { opacity: 0; }
.exercise-card:hover .card-gif { opacity: 1; }
.exercise-card:hover .card-thumb { opacity: 0; }
.card-body { padding: 16px; }
.card-name { font-family: var(--font-display); font-size: 22px; letter-spacing: .02em; color: var(--text-primary); text-transform: uppercase; margin-bottom: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 11px; font-weight: 500; padding: 4px 8px; border-radius: 4px; text-transform: capitalize; }
.tag-cat { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); color: var(--text-secondary); }
.tag-equip { background: transparent; border: 1px solid var(--border); color: var(--text-tertiary); }


.load-sentinel { display: flex; justify-content: center; padding: 32px 0; }
.load-spinner { width: 28px; height: 28px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; opacity: 0; transition: opacity 0.2s; }
.load-spinner.visible { opacity: 1; }
@keyframes spin { to { transform: rotate(360deg); } }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.8); backdrop-filter: blur(4px); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-panel { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-lg); width: 100%; max-width: 600px; max-height: 90vh; overflow-y: auto; transform: translateY(20px); transition: transform 0.3s; display: flex; flex-direction: column; }
.modal-overlay.open .modal-panel { transform: translateY(0); }
.modal-header { display: flex; align-items: flex-start; justify-content: space-between; padding: 24px 24px 0; }
.modal-title { font-family: var(--font-display); font-size: 36px; letter-spacing: .02em; text-transform: uppercase; line-height: 1; color: var(--accent); }
.modal-close { width: 32px; height: 32px; border-radius: 50%; background: var(--bg-surface); border: 1px solid var(--border); color: var(--text-secondary); font-size: 16px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; cursor: pointer; }
.modal-close:hover { background: var(--accent); color: var(--bg-surface); border-color: var(--accent); }
.modal-media { padding: 20px 24px 0; }
.modal-gif { width: 100%; border-radius: var(--radius-md); background: var(--bg-surface); object-fit: cover; }
.modal-meta { display: flex; flex-wrap: wrap; gap: 12px; padding: 20px 24px 0; }
.meta-chip { padding: 8px 16px; background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: var(--radius-md); display: flex; flex-direction: column; gap: 4px; }
.meta-chip-label { font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: .1em; color: var(--text-tertiary); }
.meta-chip-value { font-size: 14px; font-weight: 500; color: var(--text-primary); text-transform: capitalize; }
.modal-muscles { padding: 20px 24px; border-bottom: 1px solid var(--border); }
.modal-muscles-label { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .15em; color: var(--text-secondary); margin-bottom: 12px; display: block; }
.muscles-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.muscles-group { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 12px 16px; }
.muscles-group-label { font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: .1em; color: var(--text-tertiary); margin-bottom: 8px; }
.muscle-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.muscle-tag { font-size: 12px; padding: 4px 10px; border-radius: 4px; text-transform: capitalize; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); color: var(--text-secondary); }
.muscle-tag.primary { background: var(--accent-muted); color: var(--accent); border-color: rgba(200,240,74,.2); }
.modal-instructions { padding: 0 24px 32px; }
.modal-instructions-label { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .15em; color: var(--text-secondary); padding: 24px 0 0; display: block; }
.instructions-list { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.instruction-step { display: flex; gap: 16px; align-items: flex-start; }
.step-num { flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--accent-muted); border: 1px solid rgba(200,240,74,.2); font-size: 11px; font-weight: 600; color: var(--accent); display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.step-text { font-size: 14px; line-height: 1.6; color: var(--text-secondary); }


@media (min-width: 769px) {
  .swipe-handle { display: none; }
  .fab-show-list { display: none; }
}


@media (max-width: 768px) {
  .app-shell { display: block; height: 100vh; height: 100dvh; overflow: hidden; }
  
  
  .sidebar { 
    height: calc(100vh - 60px); 
    height: calc(100dvh - 60px); 
    max-height: none; 
    border-bottom: none; 
    padding-bottom: 76px; 
    display: flex;
    flex-direction: column;
  }
  .sidebar-body {
    flex: 1;
    min-height: 0;
    display: block;
    gap: 10px;
    padding: 0 12px 16px;
    overflow-y: auto;
  }
  
  
  .anatomy-section { height: calc(100vh - 198px); height: calc(100dvh - 198px); min-height: 520px; display: flex; flex-direction: column; background: transparent; border: none; overflow: hidden; margin-bottom: 10px; }
  .anatomy-header { padding: 8px 8px 6px; }
  .body-container { flex: 1 1 auto; min-height: 0; display: flex; align-items: center; justify-content: center; padding: 0; overflow: hidden; }
  
  
  .body-view { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
  .body-svg { width: auto; height: 100%; max-width: 98vw; max-height: 100%; }
  
  .selection-info { padding: 8px 8px 10px; }
  .filter-section { padding-top: 8px; border-top: 1px solid var(--border); }
  
  .sidebar-header { padding: 10px 12px 8px; display: flex; align-items: center; justify-content: space-between; }
  .sidebar-logo { font-size: 24px; }
  
  
  .main-content {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: 85vh; 
    background: var(--bg-surface);
    z-index: 200;
    border-radius: 24px 24px 0 0;
    border: 1px solid var(--border);
    border-bottom: none;
    box-shadow: 0 -10px 40px rgba(0,0,0,0.8);
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.3, 1, 0.3, 1);
    display: flex; flex-direction: column;
  }
  
  
  body.show-list .main-content {
    transform: translateY(0);
  }
  
  
  .swipe-handle {
    display: block; width: 40px; height: 5px;
    background: rgba(255,255,255,0.2); border-radius: 5px;
    margin: 12px auto 0;
  }
  
  .results-bar {
    padding: 12px 20px 16px;
    touch-action: pan-y; 
  }
  .grid-wrapper { padding: 0 20px 20px; overflow-y: auto; }
  .exercise-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  
  
  .fab-show-list {
    position: fixed;
    bottom: 24px; left: 50%; transform: translate(-50%, 150px);
    background: var(--accent); color: var(--bg-base);
    padding: 14px 28px; border-radius: 100px;
    font-family: var(--font-body); font-weight: 600; font-size: 14px;
    box-shadow: 0 4px 20px rgba(200,240,74,0.3);
    z-index: 150; border: none; display: flex; align-items: center; gap: 8px; white-space: nowrap;
    transition: transform 0.4s cubic-bezier(0.3, 1, 0.3, 1);
  }
  
  
  body.has-selection:not(.show-list) .fab-show-list {
    transform: translate(-50%, 0);
  }

  .modal-panel { max-height: 95vh; border-radius: var(--radius-lg) var(--radius-lg) 0 0; border-bottom: none; transform: translateY(100%); }
  .modal-overlay.open .modal-panel { transform: translateY(0); margin-top: auto; }
  .muscles-grid { grid-template-columns: 1fr; }
}

@media (max-width: 500px) {
  nav { padding: 16px 20px; }
  .exercise-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .card-name { font-size: 18px; }
}