:root{
  --bg:#0f1115; --surface:#171a21; --surface-2:#1e222c; --surface-3:#262b37;
  --border:#2c313d; --text:#e7e9ee; --muted:#9aa2b1; --faint:#6b7280;
  --brand:#e0b15e; --brand-2:#caa04f; --accent:#4a9de0;
  --ok:#3fb56b; --warn:#e0a93f; --danger:#e05a5a; --info:#4a9de0; --purple:#9d7ce0;
  --radius:14px; --radius-sm:9px; --shadow:0 8px 30px rgba(0,0,0,.35);
  --pad:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--text); font-size:15px; line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 .3em;font-weight:650;letter-spacing:-.01em}
a{color:var(--accent);text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px}
.hidden{display:none!important}

/* Layout */
.app{display:flex;min-height:100vh}
.sidebar{
  width:230px;background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0;
}
.brand{padding:20px 20px 14px;display:flex;align-items:center;gap:10px}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#1a1408;font-size:18px}
.brand b{font-size:17px;letter-spacing:-.02em}
.brand small{display:block;color:var(--muted);font-size:11px;font-weight:500}
.nav{padding:8px;flex:1;overflow:auto}
.nav-group{color:var(--faint);font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;padding:14px 12px 6px;font-weight:700}
.nav a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:var(--radius-sm);
  color:var(--muted);font-weight:550;font-size:14px;margin-bottom:2px}
.nav a:hover{background:var(--surface-2);color:var(--text)}
.nav a.active{background:var(--surface-3);color:var(--text)}
.nav a .ico{width:18px;text-align:center;font-size:15px}
.sidebar-foot{padding:12px;border-top:1px solid var(--border);color:var(--faint);font-size:11px}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:14px;padding:14px 26px;border-bottom:1px solid var(--border);
  background:rgba(15,17,21,.7);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.topbar h2{font-size:19px}
.topbar .sub{color:var(--muted);font-size:13px}
.topbar .spacer{flex:1}
.content{padding:24px 26px;max-width:1200px;width:100%;margin:0 auto}

/* Buttons */
.btn{border:1px solid var(--border);background:var(--surface-2);color:var(--text);
  padding:9px 15px;border-radius:var(--radius-sm);font-weight:600;font-size:14px;
  display:inline-flex;align-items:center;gap:7px;transition:.12s}
.btn:hover{background:var(--surface-3);border-color:#39404e}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#1a1408;border:none}
.btn.primary:hover{filter:brightness(1.06)}
.btn.ghost{background:transparent}
.btn.danger{color:var(--danger);border-color:#4a2c2c}
.btn.danger:hover{background:#2a1a1a}
.btn.sm{padding:6px 11px;font-size:13px}
.btn.icon{padding:7px 9px}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:var(--pad)}
.grid{display:grid;gap:16px}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.stat .lbl{color:var(--muted);font-size:12.5px;font-weight:600;display:flex;align-items:center;gap:7px}
.stat .val{font-size:27px;font-weight:750;margin-top:6px;letter-spacing:-.02em}
.stat .val small{font-size:14px;color:var(--muted);font-weight:600}
.stat.accent{border-color:#3a3320;background:linear-gradient(160deg,#1f1a10,var(--surface))}

/* Tables */
table{width:100%;border-collapse:collapse}
th{text-align:left;color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;
  font-weight:700;padding:10px 12px;border-bottom:1px solid var(--border)}
td{padding:11px 12px;border-bottom:1px solid var(--border);font-size:14px}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--surface-2)}
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:650}
.badge.pendiente{background:#3a3320;color:#e0c07e}
.badge.confirmada{background:#16321f;color:#6fd499}
.badge.en_espera{background:#2a2436;color:#c0a5ec}
.badge.en_curso{background:#173142;color:#7cc4ef}
.badge.finalizada{background:#20262f;color:#9aa2b1}
.badge.cancelada{background:#3a1f1f;color:#ef8f8f}
.badge.no_show{background:#3a1f1f;color:#ef8f8f}
.badge.dot{width:8px;height:8px;padding:0;border-radius:50%}
.chip{display:inline-block;padding:3px 9px;border-radius:7px;background:var(--surface-3);font-size:12px;color:var(--muted);font-weight:600}

/* Forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;padding:9px 11px;background:var(--surface-2);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);outline:none;transition:.12s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);background:var(--surface-3)}
.field textarea{resize:vertical;min-height:70px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.hint{color:var(--faint);font-size:12px;margin-top:5px}

/* Modal */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(3px);
  display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:100;overflow:auto}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  width:100%;max-width:560px;box-shadow:var(--shadow);animation:pop .18s ease}
.modal.wide{max-width:760px}
@keyframes pop{from{transform:translateY(10px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal-head{display:flex;align-items:center;padding:18px 20px;border-bottom:1px solid var(--border)}
.modal-head h3{flex:1;font-size:17px}
.modal-body{padding:20px}
.modal-foot{padding:16px 20px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}
.x{background:none;border:none;color:var(--muted);font-size:22px;line-height:1;padding:0 4px}
.x:hover{color:var(--text)}

/* Toast */
#toasts{position:fixed;bottom:22px;right:22px;z-index:200;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--surface-3);border:1px solid var(--border);border-left:3px solid var(--brand);
  padding:12px 16px;border-radius:var(--radius-sm);box-shadow:var(--shadow);max-width:340px;
  font-size:14px;animation:slidein .2s ease}
.toast.ok{border-left-color:var(--ok)} .toast.err{border-left-color:var(--danger)}
@keyframes slidein{from{transform:translateX(30px);opacity:0}to{transform:none;opacity:1}}

/* Section header */
.sec-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.sec-head h3{font-size:18px}
.sec-head .spacer{flex:1}
.empty{text-align:center;color:var(--muted);padding:40px 20px}
.empty .big{font-size:40px;margin-bottom:8px;opacity:.6}

/* Calendar */
.cal-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.seg button{background:none;border:none;color:var(--muted);padding:7px 14px;font-weight:600;font-size:13px}
.seg button.active{background:var(--surface-3);color:var(--text)}
.cal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.cal-grid{display:grid;position:relative;overflow-x:auto}
.cal-head{display:grid;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);z-index:5}
.cal-head .corner{border-right:1px solid var(--border)}
.cal-col-head{padding:9px 8px;text-align:center;border-right:1px solid var(--border);font-size:12.5px}
.cal-col-head b{display:block;font-size:14px}
.cal-col-head small{color:var(--muted)}
.cal-col-head.today b{color:var(--brand)}
.cal-body{position:relative}
.cal-row{display:grid;position:relative}
.cal-time{padding:2px 8px;text-align:right;color:var(--faint);font-size:11px;border-right:1px solid var(--border);position:relative;top:-7px}
.cal-cell{border-right:1px solid var(--border);border-top:1px solid var(--border-faint,#20242e);position:relative}
.cal-colwrap{position:absolute;top:0;bottom:0;border-right:1px solid var(--border)}
.appt{position:absolute;left:3px;right:3px;border-radius:7px;padding:5px 7px;overflow:hidden;
  font-size:11.5px;cursor:pointer;border-left:3px solid;color:#fff;transition:.1s}
.appt:hover{filter:brightness(1.1);z-index:8}
.appt b{display:block;font-size:12px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.appt .meta{opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Booking wizard */
.wizard{max-width:720px;margin:0 auto}
.steps{display:flex;gap:6px;margin-bottom:24px}
.steps .step{flex:1;height:5px;border-radius:3px;background:var(--surface-3)}
.steps .step.done{background:var(--brand)}
.steps .step.active{background:var(--brand-2)}
.opt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.opt{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:.12s}
.opt:hover{border-color:#3a4150;background:var(--surface-2)}
.opt.sel{border-color:var(--brand);background:linear-gradient(160deg,#1f1a10,var(--surface));box-shadow:0 0 0 1px var(--brand)}
.opt .t{font-weight:650;font-size:15px}
.opt .d{color:var(--muted);font-size:13px;margin-top:4px}
.opt .p{color:var(--brand);font-weight:700;margin-top:8px}
.slot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:9px}
.slot{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:10px;text-align:center;font-weight:650;cursor:pointer;transition:.12s}
.slot:hover{border-color:var(--brand);background:var(--surface-3)}
.slot.sel{background:var(--brand);color:#1a1408;border-color:var(--brand)}
.summary-box{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.summary-box .row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border)}
.summary-box .row:last-child{border-bottom:none}
.summary-box .row .k{color:var(--muted)}
.summary-box .row .v{font-weight:650;text-align:right}
.wizard-nav{display:flex;justify-content:space-between;margin-top:24px}

.avatar{width:34px;height:34px;border-radius:50%;background:var(--surface-3);display:inline-flex;
  align-items:center;justify-content:center;font-weight:700;font-size:13px;color:var(--brand);flex-shrink:0}
.avatar.lg{width:52px;height:52px;font-size:19px}
.flex{display:flex;align-items:center;gap:10px}
.muted{color:var(--muted)} .small{font-size:13px} .tiny{font-size:12px}
.right{text-align:right} .center{text-align:center}
.pill-row{display:flex;flex-wrap:wrap;gap:6px}
.kv{display:flex;gap:8px;margin:6px 0;font-size:14px}
.kv .k{color:var(--muted);min-width:130px}
.divider{height:1px;background:var(--border);margin:16px 0}
.dur-preview{background:var(--surface-2);border:1px dashed var(--brand);border-radius:var(--radius-sm);padding:14px;margin-top:8px}
.dur-preview .big{font-size:24px;font-weight:750;color:var(--brand)}
.calc-line{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);padding:2px 0}

@media(max-width:820px){
  .sidebar{position:fixed;left:-240px;z-index:50;transition:.2s;box-shadow:var(--shadow)}
  .sidebar.open{left:0}
  .menu-btn{display:inline-flex!important}
  .form-row,.form-row-3{grid-template-columns:1fr}
  .content{padding:16px}
  .topbar{padding:12px 16px}
}
.menu-btn{display:none}