@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Oswald:wght@500;600;700&display=swap');

:root{
  --bg:#14161a;
  --bg-2:#191c22;
  --surface:#1f232b;
  --surface-2:#262b34;
  --line:#2e333d;
  --line-2:#3a414d;
  --text:#eceef1;
  --muted:#99a0ac;
  --amber:#ff8a1e;
  --amber-soft:rgba(255,138,30,.14);
  --green:#37d39a;
  --green-soft:rgba(55,211,154,.12);
  --red:#ff5a4d;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(1100px 480px at 78% -8%, rgba(255,138,30,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.45;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
.muted{color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4em;
  font-family:'Inter',sans-serif;font-weight:600;font-size:.92rem;
  padding:.62rem 1rem;border-radius:10px;border:1px solid transparent;
  cursor:pointer;transition:.15s ease;white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.btn-primary{background:var(--amber);color:#1a1206;border-color:var(--amber)}
.btn-primary:hover{filter:brightness(1.07)}
.btn-block{width:100%;padding:.8rem}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-danger-ghost{background:transparent;border-color:transparent;color:var(--muted);padding:.45rem .7rem}
.btn-danger-ghost:hover{color:var(--red);background:rgba(255,90,77,.10)}

/* ---------- Auth ---------- */
.auth-body{display:grid;place-items:center;padding:24px}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;
}
.login-card{width:100%;max-width:380px;text-align:center}
.logo-mark{
  display:inline-grid;place-items:center;width:54px;height:54px;margin:0 auto 6px;
  font-size:1.7rem;color:var(--amber);background:var(--amber-soft);
  border:1px solid rgba(255,138,30,.35);border-radius:14px;
}
.brand{font-family:'Oswald',sans-serif;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;font-size:1.45rem;margin:.2rem 0 0}
.login-card .muted{margin:.2rem 0 1.2rem}

.field{display:block;text-align:left;margin-bottom:.9rem}
.field>span{display:block;font-size:.8rem;color:var(--muted);margin-bottom:.35rem;
  font-weight:500;letter-spacing:.02em}
.field input,.field textarea{
  width:100%;padding:.7rem .8rem;background:var(--bg-2);color:var(--text);
  border:1px solid var(--line-2);border-radius:10px;font:inherit;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--amber);
  box-shadow:0 0 0 3px var(--amber-soft)}

/* ---------- Top bar ---------- */
.topbar{position:sticky;top:0;z-index:20;background:rgba(20,22,26,.86);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:760px;margin:0 auto;padding:12px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand-row{display:flex;align-items:center;gap:.6rem}
.brand-row .logo-mark{width:38px;height:38px;font-size:1.2rem;margin:0;border-radius:10px}
.brand-row .brand{font-size:1.05rem}
.topbar-right{display:flex;align-items:center;gap:.7rem}
.who{color:var(--muted);font-size:.9rem}

/* ---------- Layout ---------- */
.wrap{max-width:760px;margin:0 auto;padding:18px 18px 64px}

.alert{padding:.8rem 1rem;border-radius:10px;margin-bottom:14px;font-size:.92rem;border:1px solid}
.alert-ok{background:var(--green-soft);border-color:rgba(55,211,154,.4);color:#bff3df}
.alert-error{background:rgba(255,90,77,.12);border-color:rgba(255,90,77,.4);color:#ffd2cd}

/* ---------- Day nav ---------- */
.daynav{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.daynav .btn{font-size:1.4rem;line-height:1;padding:.4rem .9rem}
.daynav-mid{flex:1;text-align:center}
.daynav-date{font-family:'Oswald',sans-serif;font-weight:600;font-size:1.25rem;
  letter-spacing:.03em}
.daynav-meta{color:var(--muted);font-size:.85rem;margin-top:.1rem}
.daynav-meta a{color:var(--amber)}

.datepick{text-align:center;margin-bottom:18px}
.datepick label{color:var(--muted);font-size:.85rem;display:inline-flex;gap:.5rem;align-items:center}
.datepick input{background:var(--bg-2);color:var(--text);border:1px solid var(--line-2);
  border-radius:8px;padding:.4rem .6rem;font:inherit;color-scheme:dark}

/* ---------- Add form ---------- */
.form-card{margin-bottom:18px;padding:20px}
.card-title{font-family:'Oswald',sans-serif;font-weight:600;letter-spacing:.04em;
  margin:0 0 1rem;font-size:1.1rem}
.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.field-wide{grid-column:1 / -1}
.form-actions{display:flex;justify-content:flex-end;gap:.6rem;margin-top:.2rem}
@media(max-width:520px){.grid-form{grid-template-columns:1fr}}

/* ---------- Slots ---------- */
.slots{display:flex;flex-direction:column;gap:10px}
.slot{display:flex;align-items:stretch;gap:14px;background:var(--surface);
  border:1px solid var(--line);border-radius:12px;padding:14px 16px;
  position:relative;overflow:hidden}
.slot::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--line-2)}
.slot-booked::before{background:var(--amber)}
.slot-free::before{background:var(--line-2)}

.slot-time{flex:0 0 64px;display:flex;flex-direction:column;justify-content:center;
  font-family:'Oswald',sans-serif;line-height:1.1}
.t-start{font-size:1.4rem;font-weight:600;letter-spacing:.02em}
.t-end{font-size:.85rem;color:var(--muted);font-weight:500}

.slot-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:.4rem}
.cust{font-weight:600;font-size:1.02rem}
.chips{display:flex;flex-wrap:wrap;gap:.4rem}
.chip{font-size:.8rem;color:var(--text);background:var(--surface-2);
  border:1px solid var(--line-2);border-radius:999px;padding:.18rem .6rem}
.chip-plate{font-family:'Oswald',sans-serif;letter-spacing:.08em;font-weight:600;
  background:#fff;color:#14161a;border-color:#fff}
.note{color:var(--muted);font-size:.88rem;border-left:2px solid var(--line-2);padding-left:.6rem}

.slot-action{display:flex;align-items:center}
.slot-free .slot-add{flex:1;display:flex;align-items:center;color:var(--muted);
  font-weight:500;border:1px dashed var(--line-2);border-radius:10px;
  padding:.7rem 1rem;transition:.15s ease}
.slot-free .slot-add:hover{color:var(--amber);border-color:var(--amber);background:var(--amber-soft)}

/* ---------- Install / misc ---------- */
.install-list{list-style:none;padding:0;margin:0 0 1.2rem;text-align:left}
.install-list li{padding:.5rem .7rem;border-radius:8px;margin-bottom:.4rem;font-size:.92rem;
  border:1px solid var(--line)}
.i-ok{background:var(--green-soft);border-color:rgba(55,211,154,.35)}
.i-warn{background:rgba(255,138,30,.1);border-color:rgba(255,138,30,.35)}
.danger-box{background:rgba(255,90,77,.1);border:1px solid rgba(255,90,77,.4);
  border-radius:10px;padding:.9rem 1rem;font-size:.9rem;margin-bottom:1.2rem;text-align:left}
.danger-box code{background:#000;padding:.1rem .35rem;border-radius:5px}
@media (prefers-reduced-motion: reduce){*{transition:none!important}}