/* ============================================================
   ALMA FUERTE GYM · Design System
   Paleta extraída del logo oficial:
     negro profundo #000000 · azul eléctrico #0046EF / #1E63D8
     glow cian #03A7EE · rampa plata #E0E0E0 → #606060
   Dark por identidad de marca (default) · Light disponible
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --accent:        #1E63D8;
  --accent-hi:     #2E7BF0;
  --accent-deep:   #0046EF;
  --accent-glow:   #03A7EE;
  --accent-text:   #FFFFFF;

  --silver-1: #E8EAED;
  --silver-2: #C6CBD2;
  --silver-3: #9AA1AB;
  --silver-4: #6E757F;
  --silver-5: #454A53;

  --radius:    12px;
  --radius-sm: 8px;
  --ease:      cubic-bezier(.4, 0, .2, 1);

  /* Cromado metálico del logo */
  --chrome: linear-gradient(150deg, #F2F4F6 0%, #B9BFC7 18%, #7C838D 38%,
                            #E6E9ED 52%, #8F959E 68%, #C9CED5 85%, #6E757F 100%);
  --chrome-edge: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.06) 45%, rgba(0,0,0,.35));
}

[data-theme="dark"] {
  --bg-primary:   #050507;
  --bg-secondary: #0C0E13;
  --bg-tertiary:  #14171F;
  --surface:      #0C0E13;
  --surface-hi:   #171A22;
  --border:       #23272F;
  --border-hi:    #333945;
  --text-primary:  #F2F4F8;
  --text-secondary:#A8AEB8;
  --text-muted:    #6B7280;
  --danger:  #E05252;
  --success: #3DBE7A;
  --warning: #E8900A;
  --shadow:  rgba(0,0,0,.55);
  --glow:    rgba(30,99,216,.35);
  --grain:   rgba(255,255,255,.025);
}

[data-theme="light"] {
  --bg-primary:   #FFFFFF;
  --bg-secondary: #F2F4F7;
  --bg-tertiary:  #E5E9EF;
  --surface:      #FFFFFF;
  --surface-hi:   #F7F9FB;
  --border:       #CFD4DC;
  --border-hi:    #AEB6C2;
  --text-primary:  #0A0B0E;
  --text-secondary:#454B57;
  --text-muted:    #79818E;
  --danger:  #C0392B;
  --success: #1A7A4A;
  --warning: #B8650A;
  --shadow:  rgba(0,0,0,.10);
  --glow:    rgba(30,99,216,.20);
  --grain:   rgba(0,0,0,.02);
}

/* ---------- Reset ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
input, textarea, select, [contenteditable="true"] {
  -webkit-user-select: text;
  -moz-user-select: text;
  user-select: text;
}
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  background: var(--bg-primary);
  color: var(--text-primary);
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
a { color: var(--accent); text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.25; }
h1 { font-size: 28px; } h2 { font-size: 22px; } h3 { font-size: 18px; } h4 { font-size: 15px; }
p  { margin: 0; }

.label {
  font-size: 12px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-muted); font-weight: 600;
}
.mono-num { font-variant-numeric: tabular-nums; }

/* ---------- Layout ---------- */
.vista-container { max-width: 1180px; margin: 0 auto; padding: 2rem 1.5rem; }
.main-content    { min-height: 100vh; padding-bottom: 2rem; }
@media (max-width: 768px) {
  .vista-container { padding: 1.25rem 1rem; }
  .main-content    { padding-bottom: 84px; }
}

/* ---------- Efecto metálico ---------- */
.chrome-text {
  background: var(--chrome);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  letter-spacing: .02em;
}
[data-theme="light"] .chrome-text {
  background: linear-gradient(150deg, #6E757F 0%, #2A2E35 30%, #8F959E 50%, #1A1D22 72%, #5A6069 100%);
  -webkit-background-clip: text; background-clip: text;
}
.chrome-rule {
  height: 2px; border: 0; border-radius: 2px;
  background: var(--chrome);
  opacity: .75;
}
.chrome-bar {
  height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--accent) 25%, var(--accent-glow) 50%, var(--accent) 75%, transparent);
  box-shadow: 0 0 14px var(--glow);
}

/* ---------- Header ---------- */
.app-header {
  position: sticky; top: 0; z-index: 900;
  background: color-mix(in srgb, var(--bg-primary) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.app-header::after {
  content: ''; display: block; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
  opacity: .5;
}
.header-inner {
  max-width: 1180px; margin: 0 auto;
  padding: .7rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
}
@media (max-width: 768px) { .header-inner { padding: .6rem 1rem; } }
.header-brand { display: flex; align-items: center; gap: .65rem; min-width: 0; flex: 1; }
.header-brand img {
  height: 40px; width: 40px; object-fit: contain; border-radius: 8px;
  background: #000; padding: 2px;
  box-shadow: 0 0 0 1px var(--border), 0 0 16px var(--glow);
}
.header-brand .nombre {
  font-size: 15px; font-weight: 700; letter-spacing: .04em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.header-actions { display: flex; align-items: center; gap: .5rem; }

.icon-btn {
  width: 40px; height: 40px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 16px;
  transition: all .18s var(--ease);
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.icon-btn svg { width: 19px; height: 19px; display: block; flex-shrink: 0; }
.icon-btn .icon-light, .icon-btn .icon-dark { display: flex; }
[data-theme="dark"] .icon-light,  [data-theme="light"] .icon-dark { display: none; }

.nav-desktop { display: flex; gap: .25rem; }
.nav-desktop a {
  padding: .5rem .85rem; border-radius: 8px;
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  transition: all .18s var(--ease);
}
.nav-desktop a:hover  { background: var(--bg-tertiary); color: var(--text-primary); }
.nav-desktop a.active { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
@media (max-width: 768px) { .nav-desktop { display: none; } }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 44px; padding: .7rem 1.3rem;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; letter-spacing: .01em;
  transition: all .18s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(180deg, var(--accent-hi), var(--accent));
  color: #fff;
  border-color: var(--accent-hi);
  box-shadow: 0 2px 12px var(--glow), inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover { background: linear-gradient(180deg, #3E8BFF, var(--accent-hi)); box-shadow: 0 4px 20px var(--glow); }
.btn-secondary {
  background: var(--bg-tertiary); color: var(--text-primary); border-color: var(--border-hi);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-hi); }
.btn-danger  { background: var(--danger); color: #fff; }
.btn-block   { width: 100%; }
.btn-sm      { min-height: 36px; padding: .4rem .8rem; font-size: 13px; }
.btn:disabled { opacity: .55; pointer-events: none; }

/* Botón cromado — CTA principal de marca */
.btn-chrome {
  position: relative;
  background: var(--chrome);
  color: #0A0B0E;
  border: 1px solid rgba(255,255,255,.35);
  text-shadow: 0 1px 0 rgba(255,255,255,.45);
  box-shadow: 0 2px 14px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.6);
}
.btn-chrome:hover { filter: brightness(1.08); box-shadow: 0 4px 22px var(--glow), inset 0 1px 0 rgba(255,255,255,.7); }

/* ---------- Cards ---------- */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow: hidden;
}
.card-hi { border-color: var(--border-hi); background: var(--surface-hi); }
/* Filo cromado superior en cards destacadas */
.card-chrome::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: var(--chrome); opacity: .8;
}
.card-accent::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-glow));
  box-shadow: 0 0 12px var(--glow);
}
.card-link { cursor: pointer; transition: all .2s var(--ease); }
.card-link:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 26px var(--shadow); }

/* Métricas */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .9rem; }
.stat { padding: 1.1rem 1.2rem; }
.stat .stat-val {
  font-size: 30px; font-weight: 700; line-height: 1.1;
  font-variant-numeric: tabular-nums; letter-spacing: -.02em;
}
.stat .stat-lbl { margin-top: .25rem; font-size: 11px; text-transform: uppercase; letter-spacing: .09em; color: var(--text-muted); font-weight: 600; }

/* ---------- Formularios ---------- */
.field { margin-bottom: 1rem; }
.field label {
  display: block; margin-bottom: .4rem;
  font-size: 12px; text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-muted); font-weight: 600;
}
.field .req { color: var(--accent); }
input[type="text"], input[type="password"], input[type="email"], input[type="number"],
input[type="date"], input[type="tel"], select, textarea {
  width: 100%; min-height: 46px;
  padding: .65rem .85rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 15px; font-family: inherit;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
  outline: none;
}
textarea { min-height: 88px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
                    linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 21px, calc(100% - 13px) 21px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2.4rem;
}

/* ---------- Modales ---------- */
.modal-wrapper {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.72);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  animation: fadeIn .18s var(--ease);
}
.modal {
  display: flex; flex-direction: column;
  width: 100%; max-width: 560px; max-height: 90vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  box-shadow: 0 24px 64px rgba(0,0,0,.6);
  overflow: hidden;
  animation: modalIn .22s var(--ease);
}
.modal::before { content: ''; height: 2px; background: var(--chrome); opacity: .8; flex-shrink: 0; }
.modal-header {
  padding: 1.1rem 1.35rem .9rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
  flex-shrink: 0;
}
.modal-header h3 { font-size: 17px; }
.modal-header .sub { font-size: 13px; color: var(--text-muted); margin-top: .15rem; }
.modal-body   { flex: 1; overflow-y: auto; padding: 1.35rem; -webkit-overflow-scrolling: touch; }
.modal-footer {
  flex-shrink: 0;
  padding: 1rem 1.35rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  display: flex; gap: .7rem; justify-content: flex-end;
}
.modal-footer .btn { flex: 0 0 auto; }
@media (max-width: 768px) {
  .modal-wrapper { align-items: flex-end; padding: 0; }
  .modal { max-width: 100%; max-height: 92vh; border-radius: var(--radius) var(--radius) 0 0; border-bottom: 0; }
  .modal-footer .btn { flex: 1; }
}
@keyframes fadeIn  { from { opacity: 0 } to { opacity: 1 } }
@keyframes modalIn { from { opacity: 0; transform: translateY(18px) } to { opacity: 1; transform: none } }

/* ---------- Toasts ---------- */
#toast-stack {
  position: fixed; left: 50%; bottom: 92px; z-index: 9999;
  transform: translateX(-50%);
  display: flex; flex-direction: column; gap: .5rem; align-items: center;
  pointer-events: none; width: max-content; max-width: 92vw;
}
.toast {
  padding: .75rem 1.25rem; border-radius: 10px;
  font-size: 14px; font-weight: 500; color: #fff;
  box-shadow: 0 8px 28px rgba(0,0,0,.45);
  animation: toastIn .22s var(--ease);
  max-width: 92vw;
}
.toast-error   { background: var(--danger); }
.toast-success { background: var(--success); }
.toast-warning { background: var(--warning); color: #1A1206; }
.toast-info    { background: var(--accent); }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px) } to { opacity: 1; transform: none } }

/* ---------- Estados ---------- */
.empty-state, .error-state {
  text-align: center; padding: 3rem 1.5rem;
  border: 1px dashed var(--border-hi); border-radius: var(--radius);
  background: var(--bg-secondary);
}
.empty-state .empty-icon { font-size: 40px; opacity: .35; margin-bottom: .75rem; }
.empty-state h3, .error-state h3 { margin-bottom: .4rem; }
.empty-state p, .error-state p { color: var(--text-secondary); font-size: 14px; margin-bottom: 1.25rem; }

.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--surface-hi) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { from { background-position: 200% 0 } to { background-position: -200% 0 } }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .2rem .55rem; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  border: 1px solid;
}
.badge-accent  { color: var(--accent);  border-color: color-mix(in srgb, var(--accent) 45%, transparent);  background: color-mix(in srgb, var(--accent) 12%, transparent); }
.badge-success { color: var(--success); border-color: color-mix(in srgb, var(--success) 45%, transparent); background: color-mix(in srgb, var(--success) 12%, transparent); }
.badge-muted   { color: var(--text-muted); border-color: var(--border); background: var(--bg-tertiary); }

/* ---------- Footer nav mobile ---------- */
.app-footer-nav { display: none; }
@media (max-width: 768px) {
  .app-footer-nav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
    display: flex; height: 64px;
    background: color-mix(in srgb, var(--bg-secondary) 96%, transparent);
    backdrop-filter: blur(14px);
    border-top: 1px solid var(--border);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .app-footer-nav::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: .55;
  }
  .app-footer-nav a {
    flex: 1; min-width: 44px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    font-size: 10px; font-weight: 600; letter-spacing: .03em;
    color: var(--text-muted);
  }
  .app-footer-nav a .ico { display: flex; line-height: 1; }
  .app-footer-nav a .ico svg { width: 22px; height: 22px; display: block; }
  .app-footer-nav a.active { color: var(--accent); }
}

/* ---------- WhatsApp flotante ---------- */
#whatsapp-float {
  position: fixed; right: 16px; bottom: 84px; z-index: 998;
  width: 54px; height: 54px; border-radius: 50%;
  background: #25D366;
  display: none; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,.4);
  transition: transform .18s var(--ease);
}
#whatsapp-float:hover { transform: scale(1.07); }
@media (min-width: 769px) { #whatsapp-float { bottom: 24px; } }

/* ---------- Splash ---------- */
#splash {
  position: fixed; inset: 0; z-index: 10000;
  display: none; flex-direction: column; align-items: center; justify-content: center;
  background: #000;
  transition: opacity .5s var(--ease);
}
#splash .glow {
  position: absolute; width: 78vmin; height: 78vmin; border-radius: 50%;
  background: radial-gradient(circle, rgba(30,99,216,.30) 0%, rgba(3,167,238,.10) 42%, transparent 68%);
  animation: pulseGlow 3.2s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%,100% { opacity: .55; transform: scale(.94) }
  50%     { opacity: 1;   transform: scale(1.06) }
}
#splash .splash-inner { position: relative; text-align: center; padding: 0 1.5rem; }
#splash img {
  width: min(66vw, 320px); margin: 0 auto 1.5rem;
  filter: drop-shadow(0 0 34px rgba(30,99,216,.55));
  animation: splashIn .9s var(--ease) both;
}
@keyframes splashIn { from { opacity: 0; transform: scale(.9) } to { opacity: 1; transform: none } }
#splash .splash-lema {
  font-size: 12px; letter-spacing: .26em; text-transform: uppercase;
  color: var(--silver-2); margin-bottom: .5rem; font-weight: 600;
}
#splash .splash-lema2 {
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: #2E7BF0; margin-bottom: 2rem; font-weight: 600;
}
#splash .splash-track {
  width: min(220px, 60vw); height: 3px; margin: 0 auto;
  background: #16181F; border-radius: 3px; overflow: hidden;
}
#splash-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-glow));
  box-shadow: 0 0 12px var(--glow);
  transition: width .1s linear;
}

/* ---------- Hero HOME ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 3.5rem 1.5rem 3rem;
  background:
    radial-gradient(ellipse 90% 60% at 50% -10%, rgba(30,99,216,.22), transparent 60%),
    var(--bg-primary);
  text-align: center;
}
[data-theme="light"] .hero {
  background: radial-gradient(ellipse 90% 60% at 50% -10%, rgba(30,99,216,.13), transparent 60%), var(--bg-primary);
}
.hero-inner { max-width: 900px; margin: 0 auto; position: relative; }
.hero-logo {
  width: min(72vw, 330px); margin: 0 auto 1.5rem;
  filter: drop-shadow(0 0 40px rgba(30,99,216,.4));
}
.hero h1 { font-size: clamp(26px, 6vw, 44px); letter-spacing: .02em; margin-bottom: .6rem; }
.hero .lema {
  font-size: clamp(11px, 2.6vw, 14px); letter-spacing: .24em; text-transform: uppercase;
  color: var(--text-secondary); font-weight: 600; margin-bottom: .4rem;
}
.hero .lema2 {
  font-size: clamp(10px, 2.4vw, 12px); letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 2rem;
}
.hero-cta { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
@media (max-width: 768px) { .hero { padding: 2.5rem 1rem 2rem; } .hero-cta .btn { flex: 1 1 100%; } }

/* Sección con título cromado */
.section-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
.section-head h2 { white-space: nowrap; }
.section-head .rule { flex: 1; height: 1px; background: linear-gradient(90deg, var(--border), transparent); }

/* Lista de datos (contacto/horarios) */
.info-list { display: grid; gap: .1rem; }
.info-row {
  display: flex; align-items: flex-start; gap: .85rem;
  padding: .85rem 0; border-bottom: 1px solid var(--border);
}
.info-row:last-child { border-bottom: 0; }
.info-row .ico {
  width: 36px; height: 36px; flex-shrink: 0; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-tertiary); border: 1px solid var(--border);
  font-size: 16px;
}
.info-row .txt { min-width: 0; }
.info-row .k { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); font-weight: 600; }
.info-row .v { font-size: 15px; color: var(--text-primary); word-break: break-word; }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(ellipse 80% 55% at 50% 0%, rgba(30,99,216,.20), transparent 62%),
    var(--bg-primary);
}
.login-card {
  width: 100%; max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border-hi);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  position: relative; overflow: hidden;
}
.login-card::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 2px; background: var(--chrome); }
.login-logo {
  width: 132px; margin: 0 auto 1.25rem;
  filter: drop-shadow(0 0 26px rgba(30,99,216,.45));
}
.login-card h2 { text-align: center; font-size: 19px; margin-bottom: .3rem; }
.login-card .sub { text-align: center; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1.75rem; font-weight: 600; }
@media (max-width: 768px) { .login-card { padding: 1.75rem 1.25rem; } }

/* ---------- Utilidades ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.stack   { display: grid; gap: 1rem; }
.stack-sm{ display: grid; gap: .55rem; }
.mt-2 { margin-top: 2rem; } .mt-1 { margin-top: 1rem; }
.text-muted { color: var(--text-muted); }
.text-sec   { color: var(--text-secondary); }
.fs-13 { font-size: 13px; } .fs-14 { font-size: 14px; }
.hidden { display: none !important; }
.spin { display: inline-block; width: 15px; height: 15px; border: 2px solid rgba(255,255,255,.28); border-top-color: #fff; border-radius: 50%; animation: rot .7s linear infinite; }
@keyframes rot { to { transform: rotate(360deg) } }

/* ============================================================
   FASE 3 · Listados de gestión y constructor de rutinas
   ============================================================ */

/* ---------- Barra de filtros ---------- */
.toolbar { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.toolbar input[type="text"] { flex: 1 1 260px; min-width: 0; }
.check {
  display: flex; align-items: center; gap: .5rem;
  min-height: 44px; padding: 0 .5rem;
  font-size: 13px; color: var(--text-secondary); cursor: pointer; white-space: nowrap;
}
.check input { width: 18px; height: 18px; min-height: 0; accent-color: var(--accent); cursor: pointer; }

/* ---------- Fila de listado ---------- */
.list-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.list-main { min-width: 0; flex: 1 1 260px; }
.list-acciones { display: flex; gap: .45rem; flex-wrap: wrap; flex-shrink: 0; }
.list-row.is-off { opacity: .6; }
@media (max-width: 768px) {
  .list-acciones { width: 100%; }
  .list-acciones .btn { flex: 1; }
}

/* ---------- Formulario en grilla (modales) ---------- */
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0 1rem; }

/* ---------- Editor de rutina ---------- */
.volver {
  display: inline-block; margin-bottom: .35rem;
  font-size: 13px; color: var(--text-muted); text-decoration: none;
}
.volver:hover { color: var(--accent); }

.con-barra { padding-bottom: 6rem; }

.barra-guardar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 900;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .85rem 1.5rem;
  background: color-mix(in srgb, var(--bg-primary) 92%, transparent);
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 30px var(--shadow);
  padding-bottom: calc(.85rem + env(safe-area-inset-bottom));
}
.barra-guardar .btn { flex-shrink: 0; }
@media (max-width: 768px) {
  .barra-guardar { bottom: 64px; padding: .7rem 1rem calc(.7rem + env(safe-area-inset-bottom)); }
  .con-barra { padding-bottom: 9rem; }
}

/* ---------- Sesión ---------- */
.sesion {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); overflow: hidden; margin-bottom: 1rem;
}
.sesion-head {
  display: flex; align-items: center; gap: .6rem;
  padding: .7rem .85rem;
  background: var(--bg-tertiary); border-bottom: 1px solid var(--border);
}
.sesion-head .pill {
  flex-shrink: 0; font-size: 11px; font-weight: 700; letter-spacing: .08em;
  padding: .3rem .55rem; border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
}
.sesion-body { padding: .85rem; }

.inp-titulo {
  flex: 1; min-width: 0; min-height: 40px !important;
  background: transparent !important; border-color: transparent !important;
  font-size: 16px !important; font-weight: 600; padding-left: .5rem !important;
}
.inp-titulo:hover { border-color: var(--border) !important; }
.inp-titulo:focus { background: var(--bg-primary) !important; border-color: var(--accent) !important; }

/* ---------- Bloque: cabecera oscura, como en la ficha impresa ---------- */
.bloque { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; margin-bottom: .8rem; }
.bloque-head {
  display: flex; align-items: center; gap: .5rem;
  padding: .45rem .6rem;
  background: #14161C; border-bottom: 1px solid var(--border);
}
[data-theme="light"] .bloque-head { background: #1E2028; }
.inp-bloque {
  flex: 1; min-width: 0; min-height: 38px !important;
  background: transparent !important; border-color: transparent !important;
  color: #F2F4F8 !important;
  font-size: 12px !important; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
}
.inp-bloque::placeholder { color: rgba(242,244,248,.45) !important; }
.inp-bloque:focus { background: rgba(255,255,255,.06) !important; border-color: var(--accent) !important; }
.bloque-head .mini { color: rgba(242,244,248,.65); border-color: rgba(255,255,255,.14); background: transparent; }
.bloque-head .mini:hover { color: #fff; border-color: var(--accent); }
.bloque-body { padding: .6rem; background: var(--bg-secondary); }

/* ---------- Filas de ejercicio ---------- */
.ej-cabecera, .ej-row {
  display: grid; align-items: center; gap: .4rem;
  grid-template-columns: minmax(0,3fr) 70px 90px minmax(0,2fr) auto;
}
.ej-cabecera {
  font-size: 10px; text-transform: uppercase; letter-spacing: .09em;
  color: var(--text-muted); font-weight: 700; padding: 0 .15rem .35rem;
}
.ej-row { margin-bottom: .4rem; }
.ej-row input { min-height: 42px; font-size: 14px; padding: .45rem .6rem; }
@media (max-width: 768px) {
  .ej-cabecera { display: none; }
  .ej-row {
    grid-template-columns: 1fr 1fr;
    padding: .6rem; margin-bottom: .6rem;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-primary);
  }
  .ej-row input:nth-child(1), .ej-row input:nth-child(4) { grid-column: 1 / -1; }
  .ej-row .ord { grid-column: 1 / -1; justify-content: flex-end; }
}

/* ---------- Botones chicos de orden / borrado ---------- */
.ord { display: flex; gap: .25rem; flex-shrink: 0; }
.mini {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-primary); color: var(--text-secondary);
  font-size: 14px; line-height: 1; cursor: pointer;
  transition: all .15s var(--ease);
}
.mini:hover { border-color: var(--accent); color: var(--accent); }
.mini.danger:hover { border-color: var(--danger); color: var(--danger); }
@media (max-width: 768px) { .mini { width: 44px; height: 44px; } }

/* ============================================================
   FASE 4 · Ficha del alumno y carga de progreso
   ============================================================ */

.ficha-head h1 { line-height: 1.15; }
.ayuda-lapiz {
  display: flex; align-items: center; gap: .35rem; flex-wrap: wrap;
  font-size: 13px; color: var(--text-muted); margin-bottom: 1rem;
}
.ayuda-lapiz svg { vertical-align: -3px; color: var(--accent); }

/* ---------- Sesión colapsable ---------- */
.sesion-ficha {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); overflow: hidden; margin-bottom: .9rem;
}
.sesion-toggle {
  width: 100%; min-height: 56px;
  display: flex; align-items: center; gap: .7rem;
  padding: .9rem 1rem; text-align: left;
  background: var(--bg-tertiary); border: 0; border-bottom: 1px solid var(--border);
  color: var(--text-primary); font-family: inherit; font-size: 16px; font-weight: 600;
}
.sesion-toggle .chev {
  flex-shrink: 0; font-size: 13px; color: var(--accent);
  transition: transform .22s var(--ease);
}
.sesion-toggle .titulo { flex: 1; min-width: 0; }
.sesion-toggle .cuenta {
  flex-shrink: 0; font-size: 11px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted);
}
.sesion-ficha.cerrada .sesion-toggle { border-bottom-color: transparent; }
.sesion-ficha.cerrada .sesion-toggle .chev { transform: rotate(-90deg); }
.sesion-ficha.cerrada .sesion-cont { display: none; }
.sesion-cont { padding: .85rem; }

/* ---------- Bloque: cabecera oscura ---------- */
.bloque-ficha { border-radius: var(--radius-sm); overflow: hidden; margin-bottom: .9rem; }
.bloque-ficha:last-child { margin-bottom: 0; }
.bloque-ficha-head {
  padding: .6rem .85rem;
  background: #14161C; color: #F2F4F8;
  font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  border-left: 3px solid var(--accent);
}
[data-theme="light"] .bloque-ficha-head { background: #1E2028; }
.bloque-ficha-body {
  display: grid; gap: .55rem;
  padding: .7rem; background: var(--bg-secondary);
  border: 1px solid var(--border); border-top: 0;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

/* ---------- Ejercicio ---------- */
.ej-ficha {
  position: relative;
  padding: .8rem .9rem;
  background: var(--bg-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.ej-top { display: flex; align-items: flex-start; justify-content: space-between; gap: .75rem; }
.ej-top h4 { font-size: 15px; line-height: 1.35; min-width: 0; }

/* Lápiz arriba a la derecha de cada ejercicio */
.btn-lapiz {
  flex-shrink: 0;
  width: 44px; height: 44px; margin: -.35rem -.3rem 0 0;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 10px; color: var(--accent); cursor: pointer;
  transition: all .16s var(--ease);
}
.btn-lapiz:hover  { background: var(--accent); color: var(--accent-text); }
.btn-lapiz:active { transform: scale(.94); }

.ej-datos { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .55rem; }
.chip {
  padding: .28rem .6rem; border-radius: 999px;
  background: var(--bg-tertiary); border: 1px solid var(--border);
  font-size: 13px; color: var(--text-secondary);
}
.chip b { color: var(--text-primary); font-variant-numeric: tabular-nums; }

.ej-obs {
  margin-top: .5rem; padding-left: .6rem;
  border-left: 2px solid var(--border);
  font-size: 13px; color: var(--text-secondary); line-height: 1.5;
}

.ej-ultima {
  margin-top: .6rem; padding-top: .55rem;
  border-top: 1px dashed var(--border);
  font-size: 13px;
}
.pill-ok {
  display: inline-block; padding: .12rem .45rem; border-radius: 6px;
  background: color-mix(in srgb, var(--success) 15%, transparent);
  color: var(--success); font-size: 12px; font-weight: 600;
}

/* ---------- Modal de carga ---------- */
.pedido-prof {
  padding: .6rem .8rem; margin-bottom: 1rem;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: var(--radius-sm);
  font-size: 13px; color: var(--text-secondary);
}
.hist-head {
  margin: 1.25rem 0 .6rem; padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 11px; text-transform: uppercase; letter-spacing: .09em;
  color: var(--text-muted); font-weight: 700;
}
.hist-row {
  display: flex; align-items: flex-start; justify-content: space-between; gap: .75rem;
  padding: .6rem .7rem; margin-bottom: .4rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.hist-fecha {
  font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-muted); font-weight: 700; margin-bottom: .15rem;
}

/* ============================================================
   FASE 5 · administración, subida de imágenes y modo offline
   ============================================================ */

/* ---------- Banner de sin conexión ---------- */
#offline-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1200;
  padding: .5rem 1rem calc(.5rem + env(safe-area-inset-top));
  background: var(--warning); color: #fff;
  font-size: 12.5px; font-weight: 600; text-align: center;
  letter-spacing: .01em;
}
body.esta-offline .app-header { top: 34px; }

/* ---------- Ayudas de formulario ---------- */
.hint {
  margin-top: .4rem;
  font-size: 12.5px; line-height: 1.5; color: var(--text-muted);
}
.hint strong { color: var(--text-secondary); }

.barra-info {
  font-size: 12.5px; color: var(--text-muted);
  min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.barra-info.hay-cambios { color: var(--accent); font-weight: 600; }

/* ---------- Estado del sistema ---------- */
.sis-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .9rem;
}
.sis-item {
  padding: .75rem .85rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.sis-lbl {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-muted); font-weight: 700; margin-bottom: .3rem;
}
.sis-val { font-size: 13.5px; color: var(--text-primary); display: flex; align-items: center; gap: .45rem; }
.punto { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.punto-ok  { background: var(--success); box-shadow: 0 0 6px var(--success); }
.punto-mal { background: var(--danger);  box-shadow: 0 0 6px var(--danger); }

/* ---------- Secciones de configuración ---------- */
.cfg-sec { margin-bottom: 2rem; }

/* ---------- Subida de imágenes ---------- */
.img-field { margin-bottom: 1.25rem; }
.img-upload { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.img-preview {
  width: 128px; height: 96px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-tertiary);
  border: 1px dashed var(--border); border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 11.5px; color: var(--text-muted);
}
.img-preview img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; }
.img-acciones { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ---------- Vista previa del link compartido ---------- */
.og-card {
  max-width: 340px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-secondary); overflow: hidden;
}
.og-img {
  height: 150px;
  background-color: var(--bg-tertiary);
  background-size: cover; background-position: center;
  border-bottom: 1px solid var(--border);
}
.og-txt { padding: .7rem .8rem; }
.og-dom {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-muted); margin-bottom: .25rem;
}
.og-tit {
  font-size: 14px; font-weight: 600; color: var(--text-primary);
  line-height: 1.35; margin-bottom: .2rem;
}
.og-des {
  font-size: 12.5px; color: var(--text-secondary); line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ---------- Modal de instalación ---------- */
.ios-share {
  display: inline-block; padding: 0 .3rem;
  border: 1px solid var(--border); border-radius: 5px;
  color: var(--accent); font-weight: 700;
}

@media (max-width: 768px) {
  .img-preview { width: 100%; height: 130px; }
  .img-acciones { width: 100%; }
  .img-acciones .btn { flex: 1; }
  .og-card { max-width: 100%; }
}

/* El botón flotante de WhatsApp no puede taparle los botones a la barra
   de guardado fija: se le reserva el lugar y se lo sube un poco. */
.barra-guardar { padding-right: 86px; }
@media (min-width: 769px) {
  #whatsapp-float { bottom: 88px; }
}
@media (max-width: 768px) {
  .barra-guardar { padding-right: 78px; }
}

/* ---------- Campo de contraseña con ojito ---------- */
.campo-pass { position: relative; }
.campo-pass input { padding-right: 50px; }
.ojito {
  position: absolute; top: 50%; right: 1px;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; border-radius: var(--radius-sm);
  color: var(--text-muted); cursor: pointer;
  transition: color .18s var(--ease);
}
.ojito:hover { color: var(--text-secondary); }
.ojito[aria-pressed="true"] { color: var(--accent); }
.ojito:focus-visible {
  outline: none; color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 40%, transparent);
}