/* Academia Naranja · sistema base. Negro / blanco / naranja (~5 %), sin azul, estados neutros. */
:root{
  --bg:#f6f6f5;--card:#fff;--ink:#0a0a0a;--muted:#6b6b68;--line:#e3e3e0;--soft:#efefed;
  --accent:#f26a1b;--btn:#0a0a0a;--btntext:#fff;--ok:#2f6b45;--err:#a33a2f;--warn:#7a5a1e;
  --r:10px;--max:1240px;--font:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light
}
[data-theme=dark]{--bg:#0c0c0c;--card:#151515;--ink:#f2f2ef;--muted:#a2a29d;--line:#2a2a28;--soft:#1e1e1e;--btn:#f2f2ef;--btntext:#0a0a0a;--ok:#8fc7a1;--err:#e39a8f;--warn:#d9bd83;color-scheme:dark}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0c0c0c;--card:#151515;--ink:#f2f2ef;--muted:#a2a29d;--line:#2a2a28;--soft:#1e1e1e;--btn:#f2f2ef;--btntext:#0a0a0a;--ok:#8fc7a1;--err:#e39a8f;--warn:#d9bd83;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.6;font-size:16px}
a{color:inherit}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.muted{color:var(--muted)}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:800;color:var(--muted)}
h1,h2,h3{line-height:1.05;letter-spacing:-.035em;margin:0}
h1{font-size:clamp(34px,5.4vw,64px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px;letter-spacing:-.02em}

/* Marca */
.brand{font-weight:800;letter-spacing:.01em;font-size:18px;text-decoration:none;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.brand::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* Barra superior */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:14px;height:62px}
.top nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.top nav a,.top nav button{border:0;background:none;padding:8px 12px;border-radius:8px;text-decoration:none;cursor:pointer;font-size:14px;color:var(--muted)}
.top nav a:hover,.top nav button:hover{color:var(--ink);background:var(--soft)}
.top nav a[aria-current=page]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--accent);border-radius:0}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--btn);background:var(--btn);color:var(--btntext);padding:11px 18px;border-radius:999px;font-weight:700;font-size:14px;text-decoration:none;cursor:pointer;transition:transform .15s ease,opacity .15s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.sm{padding:7px 12px;font-size:13px}
.btn.danger{background:transparent;color:var(--err);border-color:currentColor}
.icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:transparent;cursor:pointer;display:inline-grid;place-items:center}

/* Tarjetas, pills, tablas */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;border:1px solid var(--line);border-radius:999px;padding:3px 10px;color:var(--muted);white-space:nowrap}
.pill.on{color:var(--ink);border-color:var(--ink)}
.pill.accent{border-color:var(--accent);color:var(--ink)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;border:1.5px solid var(--muted);flex:none}
.dot.completada,.dot.completado{background:var(--ink);border-color:var(--ink)}
.dot.en_progreso{background:linear-gradient(90deg,var(--ink) 50%,transparent 50%);border-color:var(--ink)}
.bar{height:4px;background:var(--soft);border-radius:4px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--ink);width:0;transition:width .8s cubic-bezier(.2,.7,.2,1)}
.bar.accent i{background:var(--accent)}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--card)}

/* Formularios */
label{display:block;font-size:13px;font-weight:600;margin:0 0 6px}
.field{margin-bottom:14px}
input[type=text],input[type=password],input[type=date],input[type=number],input[type=search],textarea,select{width:100%;border:1px solid var(--line);background:var(--card);border-radius:10px;padding:11px 13px;outline:none}
input:focus,textarea:focus,select:focus{border-color:var(--ink)}
textarea{min-height:110px;resize:vertical;line-height:1.5}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row>*{flex:1 1 auto}
.check{display:inline-flex;align-items:center;gap:8px;font-weight:500;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--ink)}

/* Avisos */
.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);opacity:0;background:var(--ink);color:var(--bg);padding:11px 18px;border-radius:999px;font-size:14px;z-index:99;transition:.25s;pointer-events:none;max-width:calc(100% - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.note{border-left:3px solid var(--accent);background:var(--card);padding:12px 16px;border-radius:0 10px 10px 0;font-size:14px}
.empty{padding:40px 20px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:14px}
.err{color:var(--err);font-size:14px;min-height:20px}

/* Pie */
.foot{border-top:1px solid var(--line);margin-top:80px;padding:26px 0 40px;font-size:13px;color:var(--muted)}
.foot .wrap{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.foot a{color:var(--muted);text-decoration:none}.foot a:hover{color:var(--ink)}

/* Movimiento de entrada (sobrio) */
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.rise{animation:rise .6s cubic-bezier(.2,.7,.2,1) both}
.rise.d1{animation-delay:.08s}.rise.d2{animation-delay:.16s}.rise.d3{animation-delay:.24s}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}
@media (max-width:520px){
  .top .wrap{gap:6px}
  .brand{font-size:16px}
  .top nav{gap:0}
  .top nav a,.top nav button:not(.icon-btn){padding:8px 7px;font-size:13px}
  .top nav .icon-btn{width:32px;height:32px}
  .top nav .hide-sm{display:none}
}