:root{
  --bg:#f5f4f0;--surface:#fff;--ink:#202125;--muted:#6f737b;--line:#e5e2db;
  --brand:#6941c6;--brand-soft:#efe9ff;
  --green:#169b62;--green-soft:#e8f7f0;
  --red:#cf4242;--red-soft:#fdecec;
  --amber:#b86b09;--amber-soft:#fff4df;
  --blue:#3452a0;--blue-soft:#e9efff;
  --shadow:0 10px 35px rgba(31,25,18,.07);
  --sidebar-w:250px;
}
*{box-sizing:border-box}
body{font:15px/1.5 Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg);margin:0}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:var(--brand)}
.muted,small{color:var(--muted)}

/* sidebar */
.side{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);background:#17141d;color:#fff;padding:22px 18px;display:flex;flex-direction:column;overflow:auto;z-index:6}
.side .logo{display:flex;align-items:center;gap:11px;font-weight:850;font-size:1rem}
.side .logo > div{line-height:1.25}
.side .logo small{display:block;color:#a9a2b4;font-weight:500}
.mark{display:grid;place-items:center;width:54px;height:54px;border-radius:17px;background:linear-gradient(135deg,#9875ed,#5c32bd);color:#fff;font-weight:900;margin:auto;font-size:1.05rem}
.side .logo .mark{width:42px;height:42px;border-radius:13px;margin:0;font-size:.85rem}
.tenant{margin:24px 0 18px;padding:15px;border:1px solid #332d3d;border-radius:14px;background:#201b27}
.tenant small,.tenant span{display:block;color:#a9a2b4}
.tenant strong{display:block;margin:3px 0;color:#fff}
.side nav{display:grid;gap:6px}
.side button{border:0;background:transparent;color:#c8c2cf;text-align:left;padding:11px 12px;border-radius:10px;cursor:pointer;font-weight:650;width:100%}
.side button.active,.side button:hover{background:#30283b;color:#fff}
.side .ghost{border:1px solid #393241;background:transparent;color:#bdb7c4;border-radius:10px;padding:10px;cursor:pointer;margin-top:auto;width:100%}

/* main */
.main{margin-left:var(--sidebar-w);min-height:100vh}
.topbar{padding:16px 32px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;background:rgba(245,244,240,.9);backdrop-filter:blur(12px);position:sticky;top:0;z-index:5;border-bottom:1px solid var(--line)}
.topbar h1{font-size:1.5rem;margin:1px 0}
.topbar small{color:var(--muted)}
.who{color:var(--muted);display:flex;gap:10px;align-items:center;font-size:.85rem}
#content{padding:26px 32px 55px;max-width:1450px;margin:auto}

/* hero + metric cards */
.hero{background:linear-gradient(125deg,#20172c,#6c3ec8);color:#fff;border-radius:22px;padding:26px 28px;display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:22px;flex-wrap:wrap}
.hero h2{font-size:clamp(1.35rem,3vw,2.1rem);margin:0 0 6px}
.hero p{margin:0;color:#e3d9f9}
.hero a{color:#fff}
.hero .btn{background:#fff;color:#4e2b98}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:22px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:18px}
.metric small{color:var(--muted)}
.metric strong{font-size:1.65rem;display:block;margin-top:5px}

/* panels, generic layout leftovers */
.panel,.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;margin:14px 0;box-shadow:var(--shadow)}
.card{margin:0}
.card strong{display:block;font-size:1.4rem}
.top,.head,.actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}

/* buttons */
.btn{border:0;background:var(--brand);color:#fff;border-radius:10px;padding:10px 14px;font-weight:750;cursor:pointer;text-decoration:none;display:inline-block;font-size:.92rem}
.btn.light{background:var(--brand-soft);color:#4c278f}
.btn.red{background:var(--red-soft);color:#9f2525}
.btn.full{width:100%;text-align:center}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* forms */
.field{display:grid;gap:4px;margin:9px 0}
.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:9px;padding:10px;background:#fff;min-width:0}
.field textarea{min-height:90px;width:100%}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.login-shell{max-width:430px;margin:8vh auto;padding:0 15px}
.error{color:#a32c2c}

/* tables + badges + avatars */
.table{overflow:auto}
table{width:100%;border-collapse:collapse}
td,th{text-align:left;border-bottom:1px solid var(--line);padding:11px 10px;vertical-align:top}
th{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.badge{display:inline-block;border-radius:99px;padding:3px 8px;font-size:.68rem;font-weight:750;white-space:nowrap}
.badge.confirmed{background:var(--green-soft);color:#117348}
.badge.pending{background:var(--amber-soft);color:#91570a}
.badge.cancelled{background:var(--red-soft);color:#aa3030}
.badge.completed{background:var(--blue-soft);color:#3452a0}
.avatar{width:38px;height:38px;border-radius:50%;display:inline-grid;place-items:center;color:#fff;font-weight:800;font-size:.75rem;vertical-align:middle;margin-right:8px;object-fit:cover}

/* calendar */
.week-grid{display:grid;grid-template-columns:repeat(7,minmax(140px,1fr));gap:10px;min-width:980px}
.day-card{border:1px solid var(--line);background:#fff;border-radius:13px;padding:12px;min-height:90px}
.day-card strong{display:block}
.day-card small{display:block;color:var(--muted);margin-bottom:6px}
.month-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;min-width:850px}
.month-day{min-height:105px;border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}
.event{background:var(--brand-soft);color:#4e2a99;border-left:3px solid var(--brand);border-radius:7px;padding:7px;font-size:.77rem;margin:6px 0}
.event span{display:block;margin-top:2px}
.event small{display:block;color:#4e2a99b3}

/* modal (native dialog) + toast */
dialog{border:0;border-radius:18px;padding:0;box-shadow:0 25px 90px rgba(0,0,0,.28);width:min(560px,92%)}
dialog::backdrop{background:rgba(22,17,29,.6)}
.modal-body{padding:22px}
.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:18px}
.toast{position:fixed;right:24px;bottom:24px;background:#1b1720;color:#fff;padding:13px 17px;border-radius:11px;opacity:0;transform:translateY(15px);pointer-events:none;transition:.2s;z-index:50}
.toast.show{opacity:1;transform:none}

/* public booking page */
.booking-shell{max-width:900px;margin:40px auto;padding:0 15px}
.booking-brand{text-align:center;margin:10px 0 24px}
.booking-brand h2{margin:12px 0 2px}
.booking-brand p{margin:0;color:var(--muted)}
.stepper{display:flex;justify-content:center;gap:8px;margin-bottom:20px}
.step-dot{width:30px;height:5px;border-radius:99px;background:#d9d5df}
.step-dot.on{background:var(--brand)}
.booking{background:linear-gradient(160deg,#fff,#fbf9ff);border:1px solid #ded7ec;border-radius:24px;padding:28px;box-shadow:0 24px 70px rgba(73,45,116,.12)}
.options{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.option{border:1px solid var(--line);background:#fff;border-radius:14px;padding:15px;text-align:left;cursor:pointer}
.option:hover{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.option strong,.option span{display:block}
.option span{color:var(--muted);margin-top:4px}
.slots{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.slot{border:1px solid var(--line);background:#fff;padding:10px;border-radius:9px;cursor:pointer;text-align:center}
.slot:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);font-weight:800}
.summary{background:#f7f4ff;border:1px solid #dfd4fb;border-radius:14px;padding:16px;margin:16px 0}
.summary div{display:flex;justify-content:space-between;padding:5px 0}
.summary span{color:var(--muted)}
.success{text-align:center;padding:25px}
.success .check{width:65px;height:65px;border-radius:50%;display:grid;place-items:center;background:var(--green-soft);color:var(--green);font-size:2rem;margin:auto}
.booking-actions{display:flex;justify-content:space-between;margin-top:20px}

@media(max-width:1000px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .side{width:210px}
  .main{margin-left:210px}
}
@media(max-width:750px){
  .side{position:static;width:auto;flex-direction:row;flex-wrap:wrap;align-items:center;padding:14px}
  .side .logo{flex:1}
  .tenant{display:none}
  .side nav{display:flex;overflow:auto;flex:1 1 100%}
  .side button{width:auto;white-space:nowrap}
  .side .ghost{width:auto;margin-top:0}
  .main{margin-left:0}
  .topbar{padding:13px 16px}
  .topbar h1{font-size:1.2rem}
  #content{padding:16px 14px 40px}
  .cards{grid-template-columns:1fr 1fr}
  .hero{flex-direction:column;align-items:flex-start}
  .options{grid-template-columns:1fr}
  .slots{grid-template-columns:repeat(3,1fr)}
  .booking{padding:18px}
}