:root{
  --bg:#e8f2ff; --bg2:#d6e9ff; --card:#ffffff;
  --blue:#a9d2ff; --blue-d:#7fb7f0; --edge:#b6d3f3;
  --ink:#24405f; --muted:#6f8aa8;
  --green:#43c07b; --green-d:#2f9a5d;
  --red:#ee7d7d; --red-bg:#ffe6e6;
  --shadow:0 10px 22px rgba(70,120,185,.22);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0}
body{font-family:'Nunito',system-ui,-apple-system,'Segoe UI',sans-serif;background:linear-gradient(180deg,var(--bg2),var(--bg) 220px);color:var(--ink);min-height:100vh;padding-bottom:calc(110px + env(safe-area-inset-bottom,0px))}
.hidden{display:none!important}
button{font-family:inherit;color:inherit;cursor:pointer}
input,select{font-family:inherit;font-size:16px;color:var(--ink);background:#fff;border:2px solid var(--edge);border-radius:14px;padding:11px 12px;width:100%;outline:none}
input:focus,select:focus{border-color:var(--blue-d);box-shadow:0 0 0 4px rgba(127,183,240,.25)}
small{color:var(--muted);font-weight:600}

/* Botones con sombra y efecto de click */
.btn{border:0;background:#fff;border-radius:16px;padding:13px 14px;font-weight:800;font-size:15px;
  box-shadow:0 5px 0 var(--edge),var(--shadow);transition:transform .08s,box-shadow .08s}
.btn:active{transform:translateY(4px);box-shadow:0 1px 0 var(--edge),0 3px 8px rgba(70,120,185,.2)}
.btn.primary{background:var(--blue)}
.btn.big{padding:16px 20px;font-size:17px;display:inline-flex;align-items:center;gap:10px;justify-content:center;width:100%;background:#fff}
.btn.small{padding:9px 12px;font-size:13px;border-radius:13px;box-shadow:0 4px 0 var(--edge),0 6px 12px rgba(70,120,185,.18)}
.btn.mini{padding:8px 12px;min-width:40px;border-radius:12px;font-size:16px;box-shadow:0 3px 0 var(--edge),0 4px 8px rgba(70,120,185,.15)}
.btn.danger{background:var(--red-bg);box-shadow:0 5px 0 #f3baba,var(--shadow)}
.btn.save{background:var(--green);color:#fff;box-shadow:0 5px 0 var(--green-d),var(--shadow)}
.btn:disabled{opacity:.4;pointer-events:none}

.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{background:#fff;border-radius:28px;padding:32px 24px;max-width:360px;width:100%;text-align:center;box-shadow:var(--shadow)}
.login-card .logo{font-size:56px}
.login-card h1{margin:6px 0 4px;font-size:30px}
.login-card p{margin:0 0 22px;color:var(--muted);font-weight:600}
.login-card small{display:block;margin-top:16px}
.spinner{width:42px;height:42px;border:5px solid var(--bg2);border-top-color:var(--blue-d);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.top{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:calc(14px + env(safe-area-inset-top,0px)) 16px 8px;max-width:760px;margin:0 auto}
.brand{font-size:21px;font-weight:800}
.topbtns{display:flex;gap:10px}
main{max-width:760px;margin:0 auto;padding:6px 16px}

.periods{display:flex;gap:8px;margin:8px 0 14px;overflow-x:auto}
.chip{border:0;background:rgba(255,255,255,.7);border-radius:999px;padding:8px 16px;font-weight:800;font-size:14px;color:var(--muted)}
.chip.on{background:var(--blue);color:var(--ink);box-shadow:0 3px 0 var(--blue-d)}

.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.card{background:var(--card);border-radius:20px;padding:14px 16px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px}
.card span{font-size:13px;font-weight:700;color:var(--muted)}
.card strong{font-size:24px;font-weight:800}
.card.wide{grid-column:1/-1;background:#dff5e8}
.card.wide strong{font-size:32px;color:#237a4b}
.card.wide.neg{background:var(--red-bg)}
.card.wide.neg strong{color:#c24c4c}

.actions{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0 8px}
.actions .btn{padding:14px 6px;font-size:14px}

.sec{font-size:19px;margin:20px 0 10px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.sec small{font-size:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(135px,1fr));gap:14px}
.tile{position:relative;background:#fff;border-radius:20px;padding:16px 10px 12px;text-align:center;user-select:none;cursor:pointer;
  box-shadow:0 5px 0 var(--edge),var(--shadow);transition:transform .08s,box-shadow .08s;display:flex;flex-direction:column;gap:2px;align-items:center}
.tile:active{transform:translateY(4px);box-shadow:0 1px 0 var(--edge),0 3px 8px rgba(70,120,185,.2)}
.tile .emo{font-size:38px;line-height:1.1}
.tile b{font-size:15px;line-height:1.2}
.tile small{font-size:14px}
.tile.sel{background:#f0f8ff;outline:3px solid var(--blue)}
.badge{position:absolute;top:-8px;right:-6px;background:var(--blue-d);color:#fff;font-weight:800;min-width:28px;height:28px;border-radius:14px;display:flex;align-items:center;justify-content:center;padding:0 7px;box-shadow:0 3px 8px rgba(70,120,185,.35)}
.minus{position:absolute;top:-8px;left:-6px;width:32px;height:32px;border:0;border-radius:50%;background:#fff;font-size:20px;font-weight:800;line-height:1;
  box-shadow:0 3px 0 var(--edge),0 4px 8px rgba(70,120,185,.25);transition:transform .08s,box-shadow .08s}
.minus:active{transform:translateY(3px);box-shadow:0 0 0 var(--edge)}
.empty{grid-column:1/-1;background:#fff;border-radius:20px;padding:22px;text-align:center;color:var(--muted);font-weight:700;box-shadow:var(--shadow)}

.paybar{position:fixed;left:0;right:0;bottom:0;display:flex;gap:10px;padding:12px 16px calc(14px + env(safe-area-inset-bottom,0px));background:linear-gradient(180deg,transparent,rgba(232,242,255,.95) 40%);z-index:20;max-width:760px;margin:0 auto}
.pay{flex:1;border:0;background:var(--green);color:#fff;font-weight:800;font-size:19px;padding:16px;border-radius:18px;box-shadow:0 6px 0 var(--green-d),0 12px 24px rgba(47,154,93,.35);transition:transform .08s,box-shadow .08s}
.pay:active{transform:translateY(5px);box-shadow:0 1px 0 var(--green-d),0 3px 8px rgba(47,154,93,.3)}
.pay:disabled{opacity:.6}
.clear{width:56px;border:0;background:#fff;border-radius:18px;font-size:20px;font-weight:800;box-shadow:0 6px 0 var(--edge),var(--shadow)}
.clear:active{transform:translateY(5px);box-shadow:0 1px 0 var(--edge)}

/* Modales */
.overlay{position:fixed;inset:0;background:rgba(36,64,95,.4);display:flex;align-items:flex-end;justify-content:center;z-index:50;animation:fade .15s}
.modal{background:var(--bg);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;border-radius:26px 26px 0 0;padding:16px 16px calc(20px + env(safe-area-inset-bottom,0px));animation:up .2s ease-out}
@media(min-width:640px){.overlay{align-items:center}.modal{border-radius:26px}}
@keyframes up{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
@keyframes fade{from{opacity:0}to{opacity:1}}
.mhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;position:sticky;top:-16px;background:var(--bg);padding:4px 0}
.mhead h2{margin:0;font-size:21px}
.x{border:0;background:#fff;width:38px;height:38px;border-radius:50%;font-size:16px;box-shadow:0 3px 0 var(--edge)}
.x:active{transform:translateY(3px);box-shadow:none}
.form{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.form input{flex:1;min-width:120px}
.form .btn{flex:0 0 auto}
.row{display:flex;align-items:center;gap:10px;background:#fff;border-radius:16px;padding:10px 12px;margin-bottom:10px;box-shadow:0 4px 10px rgba(70,120,185,.12)}
.row .emo{font-size:28px}
.row .grow{flex:1;display:flex;flex-direction:column;min-width:0}
.row .grow b{overflow-wrap:anywhere}
.qtybig{font-size:28px;font-weight:800;min-width:40px;text-align:center}
.sumline{background:#fff;border-radius:16px;padding:12px 14px;margin-bottom:12px;font-weight:700}
.stepper{display:flex;align-items:center;gap:6px}
.stepper input{width:76px;text-align:center;padding:8px 4px;font-weight:800}
.stepper.low input{border-color:var(--red);background:var(--red-bg)}
.lbl{display:block;font-weight:800;font-size:14px;margin:14px 0 6px}
.emoji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px}
.emo-opt{border:2px solid transparent;background:#fff;border-radius:12px;font-size:22px;padding:6px 0}
.emo-opt.sel{border-color:var(--blue-d);background:#e3f1ff}
.linkrow{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.linkrow select{flex:1.4}
.linkrow .qty{flex:1;display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--muted)}
.linkrow .qty input{padding:10px 6px}
.editor-actions{display:flex;gap:10px;margin-top:18px}
.editor-actions .btn{flex:1}
.hint{font-size:13px;color:var(--muted);font-weight:600;margin:6px 0 0}

.toast{position:fixed;left:50%;bottom:calc(100px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:11px 18px;border-radius:14px;font-weight:700;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:100;max-width:90vw;text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Almanaque */
.daybanner{display:flex;justify-content:space-between;align-items:center;gap:10px;background:#fff7d6;border-radius:16px;padding:10px 12px;margin-bottom:12px;font-weight:700;font-size:14px;box-shadow:0 4px 10px rgba(70,120,185,.12)}
.daybanner span{text-transform:capitalize;line-height:1.25}
.cal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.cal-head b{font-size:18px;text-transform:capitalize}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center}
.cal-grid small{font-weight:800;padding:4px 0}
.cal-day{border:0;background:#fff;border-radius:12px;padding:11px 0;font-weight:800;font-size:15px;box-shadow:0 3px 0 var(--edge);transition:transform .08s,box-shadow .08s}
.cal-day:active{transform:translateY(3px);box-shadow:none}
.cal-day.today{outline:2px dashed var(--blue-d)}
.cal-day.sel{background:var(--blue);outline:none}
.cal-day:disabled{opacity:.35;pointer-events:none}

/* Modal de ventas: textos y botones discretos */
.sumline.big{font-size:19px;padding:14px 16px}
.linkbtn{border:0;background:transparent;color:#a98b8b;font-size:12px;font-weight:700;padding:6px 8px;border-radius:10px;transition:transform .08s,background .08s}
.linkbtn:active{transform:translateY(2px);background:rgba(238,125,125,.18)}
.center{text-align:center;margin-top:10px}