/* ClimaOne — lightweight mobile-first CSS */
:root{
  --brand:#0a7d8c; --brand-d:#066472; --brand-l:#e6f4f6;
  --ink:#1b2733; --muted:#6b7a8a; --line:#e2e8ee; --bg:#f4f7f9;
  --ok:#177245; --warn:#b8860b; --danger:#c0392b; --white:#fff;
  --radius:12px; --shadow:0 1px 3px rgba(20,40,60,.08),0 1px 2px rgba(20,40,60,.06);
  --maxw:1100px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink); background:var(--bg); font-size:15px; line-height:1.5;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;margin:.2em 0 .5em}
h1{font-size:1.5rem}h2{font-size:1.2rem}h3{font-size:1.02rem}
img{max-width:100%}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.text-c{text-align:center}
.mt{margin-top:1rem}.mb{margin-bottom:1rem}.mt2{margin-top:1.5rem}

/* layout */
.container{max-width:var(--maxw);margin:0 auto;padding:1rem}
.row{display:flex;flex-wrap:wrap;gap:1rem}
.col{flex:1 1 240px;min-width:0}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}

/* cards */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:1rem;margin-bottom:1rem}
.card h3{margin-top:0}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:1rem}
.stat .n{font-size:1.8rem;font-weight:700;color:var(--brand-d)}
.stat .l{color:var(--muted);font-size:.85rem}

/* buttons */
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;
  padding:.6rem 1rem;font-size:.95rem;cursor:pointer;font-weight:600;text-align:center}
.btn:hover{background:var(--brand-d);text-decoration:none;color:#fff}
.btn.block{display:block;width:100%}
.btn.sm{padding:.35rem .7rem;font-size:.83rem;border-radius:8px}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn.danger{background:var(--danger)}
.btn.muted{background:#8595a5}

/* forms */
label{display:block;font-weight:600;font-size:.85rem;margin:.6rem 0 .25rem}
input,select,textarea{
  width:100%;padding:.6rem;border:1px solid var(--line);border-radius:10px;
  font-size:1rem;background:#fff;color:var(--ink)
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-l);border-color:var(--brand)}
textarea{min-height:90px;resize:vertical}
.form-row{display:flex;gap:1rem;flex-wrap:wrap}
.form-row>div{flex:1 1 200px}

/* tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:#fff;font-size:.9rem}
th,td{text-align:left;padding:.6rem .7rem;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f0f5f7;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.03em}
tr:last-child td{border-bottom:0}

/* badges */
.badge{display:inline-block;padding:.18rem .5rem;border-radius:999px;font-size:.74rem;font-weight:700}
.b-open{background:#eef1f4;color:#445}
.b-assigned{background:#e7f0fb;color:#1c5fb0}
.b-in_progress{background:#fdf3dd;color:#8a6d1a}
.b-on_hold{background:#f3e8e8;color:#8a4a3a}
.b-resolved{background:#e3f4ea;color:var(--ok)}
.b-closed{background:#e9edf0;color:#556}
.b-cancelled{background:#f7e3e1;color:var(--danger)}
.b-active{background:#e3f4ea;color:var(--ok)}
.b-expired{background:#f7e3e1;color:var(--danger)}
.pri-high{color:var(--danger);font-weight:700}
.pri-normal{color:var(--muted)}
.pri-low{color:var(--muted)}

/* alerts */
.alert{padding:.7rem 1rem;border-radius:10px;margin-bottom:1rem;font-size:.9rem}
.alert-error{background:#fdecea;color:#8a1c12;border:1px solid #f5c6c0}
.alert-ok{background:#e8f6ee;color:#13633a;border:1px solid #bfe3cd}
.alert-info{background:var(--brand-l);color:var(--brand-d);border:1px solid #bfe0e6}

/* ===== Admin shell (desktop) ===== */
.admin{display:flex;min-height:100vh}
.sidebar{width:225px;background:#0d2230;color:#cdd9e2;flex-shrink:0;padding:1rem 0}
.sidebar .brand{font-size:1.2rem;font-weight:800;color:#fff;padding:.4rem 1.2rem 1rem}
.sidebar .brand span{color:var(--brand)}
.sidebar a{display:block;color:#aebcc8;padding:.6rem 1.2rem;font-size:.92rem;border-left:3px solid transparent}
.sidebar a:hover{background:#12303f;text-decoration:none;color:#fff}
.sidebar a.active{background:#12303f;color:#fff;border-left-color:var(--brand)}
.admin-main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:.7rem 1.2rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem}
.topbar .who{font-size:.85rem;color:var(--muted)}
.admin-content{padding:1.2rem;flex:1}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.menu-toggle{display:none;background:none;border:0;font-size:1.4rem;width:auto;cursor:pointer;color:var(--ink)}

/* ===== Mobile app shell (staff/customer WebView) ===== */
.app-shell{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);
  display:flex;flex-direction:column;position:relative;box-shadow:0 0 30px rgba(0,0,0,.04)}
.app-head{background:var(--brand-d);color:#fff;padding:.9rem 1rem;display:flex;
  align-items:center;justify-content:space-between;position:sticky;top:0;z-index:5}
.app-head .t{font-weight:700;font-size:1.05rem}
.app-head a{color:#cdeef2}
.app-body{flex:1;padding:1rem;padding-bottom:5rem}
.app-nav{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;
  background:#fff;border-top:1px solid var(--line);display:flex;z-index:5}
.app-nav a{flex:1;text-align:center;padding:.55rem 0;font-size:.7rem;color:var(--muted)}
.app-nav a .ic{display:block;font-size:1.2rem;line-height:1.3}
.app-nav a.active{color:var(--brand-d);font-weight:700}

/* list items */
.list-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:.8rem;margin-bottom:.7rem;box-shadow:var(--shadow);display:block}
.list-item:hover{text-decoration:none}
.list-item .li-top{display:flex;justify-content:space-between;gap:.5rem;align-items:flex-start}
.list-item .li-title{font-weight:700;color:var(--ink)}

/* timeline */
.timeline{list-style:none;padding:0;margin:0}
.timeline li{position:relative;padding:0 0 1rem 1.4rem;border-left:2px solid var(--line)}
.timeline li:last-child{border-left-color:transparent}
.timeline li::before{content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;
  border-radius:50%;background:var(--brand);border:2px solid #fff}
.timeline .tl-time{font-size:.76rem;color:var(--muted)}

/* auth / splash */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;
  background:linear-gradient(160deg,#0d2230,#0a7d8c)}
.auth-card{background:#fff;border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.2);
  padding:1.6rem;width:100%;max-width:380px}
.auth-card .logo{font-size:1.6rem;font-weight:800;text-align:center;color:#0d2230;margin-bottom:.2rem}
.auth-card .logo span{color:var(--brand)}
.auth-card .sub{text-align:center;color:var(--muted);font-size:.85rem;margin-bottom:1rem}
.role-links{display:flex;gap:.5rem;margin-top:1rem;justify-content:center;font-size:.82rem}

.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:.5rem}
.photo-grid img{border-radius:8px;border:1px solid var(--line);aspect-ratio:1;object-fit:cover}

.otp-box{font-size:1.3rem;letter-spacing:.4em;text-align:center;font-weight:700}
.dev-otp{background:#fff8e1;border:1px dashed #d4a017;border-radius:10px;padding:.6rem;
  text-align:center;margin:.8rem 0;font-size:.85rem;color:#7a5c00}
.dev-otp b{font-size:1.2rem;letter-spacing:.2em}

@media(max-width:760px){
  .sidebar{position:fixed;left:-240px;top:0;bottom:0;z-index:20;transition:left .2s;height:100%}
  .sidebar.open{left:0}
  .menu-toggle{display:block}
  .backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:15}
  .backdrop.show{display:block}
}