/* Industrial Safety Portal — mobile-first. Base rules = phones; min-width queries enlarge for tablet/desktop. */
:root{
    --blue:#1f4fbf; --blue-dark:#173b8f; --blue-soft:#e8eefc;
    --bg:#f2f4f8; --card:#fff; --line:#d9dee8; --text:#1c2433; --muted:#5b667a;
    --danger:#b42318; --ok:#157347; --warn:#b45309;
    --radius:6px; --tap:44px;
    font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.5;overflow-wrap:anywhere}
h1,h2,h3{margin:0 0 .4em;line-height:1.25}
h2{font-size:1.25rem}h3{font-size:1.05rem}
img{max-width:100%}
button,input,select,textarea{font:inherit}
:focus-visible{outline:3px solid #8fb0ff;outline-offset:2px}

/* ---------- shared form controls (same size everywhere = aligned) ---------- */
.field{min-width:0}
.field label{display:block;font-weight:600;margin-bottom:6px}
.field small{color:var(--muted);display:block;margin-top:4px}
.field input,.field select,.field textarea,.filters input,.filters select{
    display:block;width:100%;min-width:0;max-width:100%;min-height:var(--tap);
    padding:10px 12px;font-size:16px;border:1px solid #b9c2d3;border-radius:var(--radius);background:#fff;color:var(--text)}
.field textarea{min-height:110px;resize:vertical}
.field input[type=date]{-webkit-appearance:none;appearance:none}   /* iOS draws dates narrower otherwise */
.field input[type=file]{padding:8px}
.field input[disabled]{background:#eef1f6;color:var(--muted)}
.req{color:var(--danger)}
.ferr{color:var(--danger);font-size:.88rem;margin-top:4px}
.ferr:empty{display:none}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:var(--tap);border:1px solid var(--line);background:#fff;color:var(--text);padding:8px 16px;border-radius:var(--radius);cursor:pointer}
.btn:hover{background:#f4f6fb}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.primary:hover{background:var(--blue-dark)}
.btn.danger{color:var(--danger);border-color:#e6b4ae}
.btn.sm{padding:6px 14px;font-size:.92rem}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;min-width:var(--tap);min-height:var(--tap);border:0;background:none;font-size:1.2rem;cursor:pointer}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.page-head{margin-bottom:14px}
.page-head p{margin:0;color:var(--muted)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.end{justify-content:flex-end}
.row input[type=file]{flex:1 1 220px}
.muted{color:var(--muted)}
.err{color:var(--danger)}
.empty{padding:28px 16px;text-align:center;color:var(--muted)}
.loading{padding:30px;text-align:center;color:var(--muted)}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
.login-side{background:var(--blue-dark);color:#fff;padding:22px 20px}
.login-side h1{font-size:1.5rem;margin-bottom:6px}
.login-side p{margin:0;color:#cfdbf7}
.login-form-wrap{flex:1;display:flex;justify-content:center;align-items:flex-start;padding:16px}
.login-card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:grid;gap:14px}
.login-card h2,.login-card p{margin:0}
.pw-row{display:flex;gap:8px}
.pw-row input{flex:1}
@media(min-width:801px){
    .login-wrap{display:grid;grid-template-columns:1fr 1fr}
    .login-side{padding:48px;display:flex;flex-direction:column;justify-content:center;gap:12px}
    .login-side h1{font-size:2rem;max-width:16ch}
    .login-side p{max-width:38ch}
    .login-form-wrap{align-items:center;padding:24px}
    .login-card{padding:28px}
}

/* ---------- app shell: sidebar is a drawer on phones ---------- */
.sidebar{position:fixed;inset:0 auto 0 0;width:260px;max-width:85vw;z-index:30;background:var(--blue-dark);color:#fff;padding:14px 0;overflow-y:auto;
    transform:translateX(-100%);visibility:hidden;transition:transform .2s,visibility .2s}
.nav-open .sidebar{transform:none;visibility:visible}
.nav-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:25}
.nav-open .nav-backdrop{display:block}
.brand{padding:0 20px 14px;font-weight:700;font-size:1.05rem;border-bottom:1px solid rgba(255,255,255,.18);margin-bottom:8px}
.brand small{display:block;font-weight:400;color:#b9c9f2}
.nav a,.nav button{display:flex;align-items:center;width:100%;min-height:var(--tap);padding:8px 20px;color:#dbe5ff;text-decoration:none;
    background:none;border:0;border-left:4px solid transparent;text-align:left;cursor:pointer}
.nav a:hover,.nav button:hover{background:rgba(255,255,255,.08)}
.nav a.active{background:rgba(255,255,255,.14);border-left-color:#ffc83d;color:#fff;font-weight:600}

.main{min-width:0}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:6px;padding:4px 10px 4px 4px;background:var(--card);border-bottom:1px solid var(--line)}
.topbar h1{flex:1;min-width:0;margin:0;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who{display:flex;align-items:center;gap:8px}
.who .name{display:none;font-weight:600}
#view{width:100%;max-width:1280px;padding:14px 14px calc(20px + env(safe-area-inset-bottom))}
@media(min-width:901px){
    #appView{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
    .sidebar{position:sticky;top:0;height:100vh;width:auto;max-width:none;transform:none;visibility:visible;padding:18px 0}
    .nav-backdrop,.nav-open .nav-backdrop{display:none}
    #menuBtn{display:none}
    .topbar{padding:10px 24px;gap:14px}
    .who .name{display:inline}
    #view{padding:24px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---------- dashboard ---------- */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:var(--radius);padding:12px}
.stat .n{font-size:1.7rem;font-weight:700;line-height:1.1}
.stat .l{color:var(--muted);font-size:.88rem}
.stat.hi{border-top-color:#d9480f}.stat.ok{border-top-color:var(--ok)}
@media(min-width:701px){.stats{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}.stat{padding:14px 16px}}

.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.78rem;font-weight:600;white-space:nowrap}
.st-OPEN{background:#dbe7ff;color:#173b8f}.st-CLOSED{background:#d3f0dd;color:#14532d}
.pr-LOW{background:#e5e8ee;color:#404a5c}.pr-MEDIUM{background:#dbe7ff;color:#173b8f}
.pr-HIGH{background:#ffe0cc;color:#8a2e00}.pr-CRITICAL{background:#fbd5d1;color:#8c1c13}

/* ---------- filters + pager ---------- */
.filters{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin-bottom:14px}
.pager{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;margin-top:12px}
@media(min-width:701px){.filters{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1001px){.filters{grid-template-columns:2fr repeat(4,minmax(0,1fr)) auto}}

/* ---------- observation list: cards on phones, table from 701px ---------- */
table,thead,tbody,tr,td{display:block}
thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
tr{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;padding:4px 12px}
tr.p-HIGH{border-left:4px solid #d9480f}
tr.p-CRITICAL{border-left:4px solid #b42318}
td{display:flex;gap:12px;justify-content:space-between;align-items:flex-start;padding:8px 0;border-bottom:1px solid #eef1f6;text-align:right}
td:last-child{border-bottom:0}
td::before{content:attr(data-label);flex:0 0 38%;color:var(--muted);font-size:.85rem;text-align:left}
td.acts{flex-wrap:wrap;justify-content:flex-start;gap:8px}
td.acts::before{display:none}
td.acts .btn{flex:1 1 auto}
@media(min-width:701px){
    .table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
    table{display:table;width:100%;border-collapse:collapse;min-width:820px}
    thead{position:static;width:auto;height:auto;overflow:visible;clip:auto;display:table-header-group}
    tbody{display:table-row-group}
    tr{display:table-row;background:none;border:0;border-radius:0;margin:0;padding:0}
    tr.p-HIGH,tr.p-CRITICAL{border-left:0}
    tr.p-HIGH td:first-child{box-shadow:inset 4px 0 0 #d9480f}
    tr.p-CRITICAL td:first-child{box-shadow:inset 4px 0 0 #b42318}
    th,td{display:table-cell;padding:9px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
    td::before{display:none}
    th{background:#f7f9fc;font-size:.85rem;color:var(--muted);font-weight:600}
    td.desc{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    td.acts{white-space:nowrap}
    td.acts .btn{flex:none;min-height:32px;padding:4px 10px}
    td.acts .btn+.btn{margin-left:6px}
}

/* ---------- observation form ---------- */
.obs-form{display:grid;gap:14px;max-width:900px;min-width:0}
fieldset.sec{min-width:0;margin:0;padding:14px}   /* min-width:0 stops fieldset forcing sideways scroll */
fieldset.sec legend{font-weight:700;padding:0 6px;color:var(--blue-dark)}
.grid{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}
.field.full{grid-column:1/-1}
.previews,.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:10px}
.gallery>.muted,.gallery>.err{grid-column:1/-1}
.thumb{margin:0;min-width:0;font-size:.8rem;color:var(--muted);overflow-wrap:anywhere}
.thumb img{display:block;width:100%;height:120px;object-fit:cover;border:1px solid var(--line);border-radius:var(--radius);cursor:zoom-in;background:#eef1f6}
.thumb .btn{margin-top:6px}
.form-actions{position:sticky;bottom:0;z-index:2;display:flex;gap:10px;background:var(--bg);padding:10px 0 calc(10px + env(safe-area-inset-bottom))}
.form-actions .btn{flex:1}
.dlg-body .form-actions{background:var(--card)}
@media(min-width:701px){
    fieldset.sec{padding:18px}
    .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}
    .previews,.gallery{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
    .form-actions{position:static;justify-content:flex-end;background:none;padding:0}
    .dlg-body .form-actions{background:none}
    .form-actions .btn{flex:0 0 auto;min-width:180px}
}

dl.kv{display:grid;grid-template-columns:minmax(0,1fr);gap:2px 14px;margin:0}
dl.kv dt{color:var(--muted);font-size:.88rem;margin-top:8px}
dl.kv dd{margin:0;white-space:pre-wrap}
@media(min-width:601px){dl.kv{grid-template-columns:190px minmax(0,1fr);gap:8px 14px}dl.kv dt{margin-top:0;font-size:1rem}}

/* ---------- dialogs ---------- */
dialog{border:0;border-radius:var(--radius);padding:0;width:calc(100% - 16px);max-width:860px;max-height:calc(100vh - 16px);max-height:calc(100dvh - 16px);
    box-shadow:0 12px 40px rgba(0,0,0,.3);color:var(--text)}
dialog[open]{display:flex;flex-direction:column}
dialog::backdrop{background:rgba(15,23,42,.5)}
dialog.small{max-width:420px;padding:18px;gap:14px}
dialog.small p{margin:0}
.dlg-head{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:4px 6px 4px 14px;border-bottom:1px solid var(--line)}
.dlg-head h2{margin:0;font-size:1.05rem;min-width:0}
.dlg-body{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:14px;display:grid;gap:16px;align-content:start}

/* ---------- toasts / spinner ---------- */
#toasts{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));display:grid;gap:8px;z-index:50}
.toast{background:#1c2433;color:#fff;padding:12px 14px;border-radius:var(--radius)}
.toast.success{background:var(--ok)}.toast.error{background:var(--danger)}
@media(min-width:701px){#toasts{left:auto;right:16px;bottom:16px}.toast{max-width:340px}}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;margin-right:6px}
@keyframes spin{to{transform:rotate(360deg)}}