/* ============================================================================
   field-offline/offline.css — Đợt 9: trang BÁO CÁO NGOẠI TUYẾN tĩnh (/field-offline/index.html).
   Dùng token v2 của app.css (Sáng/Tối/Ngoài trời/Ca đêm theo js/theme-init.js) — tiền tố .ofl- (không rò rỉ).
   Mobile-first 360px → 1920px, vùng chạm ≥ 44px, safe-area iOS 4 cạnh, ô nhập ≥ 16px (iOS không tự zoom).
   ============================================================================ */
.ofl-body { min-height: 100vh; min-height: 100dvh; margin: 0; background: var(--bg); color: var(--text-1);
    font-family: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }

/* ---- Thanh trên ---- */
:root { --ofl-top-h: calc(60px + env(safe-area-inset-top)); }   /* chiều cao thanh trên — thanh tab dính ngay dưới */
.ofl-top {
    position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: .6rem;
    box-sizing: border-box; height: var(--ofl-top-h);
    padding: calc(8px + env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left));
    background: var(--chrome-bg); color: var(--chrome-ink); box-shadow: 0 2px 10px rgba(0, 0, 0, .22);
}
.ofl-brand { display: flex; align-items: center; gap: .55rem; min-width: 0; color: inherit; text-decoration: none; min-height: 44px; }
.ofl-logo { display: inline-grid; place-items: center; padding: 4px 7px; border-radius: 8px; background: #fff; flex: 0 0 auto; }
.ofl-logo img { display: block; height: 22px; width: auto; }
.ofl-title { min-width: 0; font-weight: 800; font-size: clamp(1rem, .92rem + .4vw, 1.15rem); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ofl-top-r { display: flex; align-items: center; gap: .4rem; flex: 0 0 auto; }
.ofl-net {
    display: inline-flex; align-items: center; gap: .35rem; min-height: 28px; padding: .15rem .6rem; border-radius: var(--radius-full);
    font-size: var(--text-xs); font-weight: 800; background: rgba(255, 255, 255, .12); color: var(--chrome-ink); white-space: nowrap;
}
.ofl-dot { width: 8px; height: 8px; border-radius: 50%; background: #5FD08F; box-shadow: 0 0 0 2px rgba(255, 255, 255, .25); }
.ofl-net.is-off { background: var(--danger); color: #fff; }
.ofl-net.is-off .ofl-dot { background: #fff; }
.ofl-lang { display: inline-flex; padding: 2px; border-radius: var(--radius-full); border: 1px solid var(--chrome-line); background: rgba(255, 255, 255, .08); }
.ofl-lang-b { min-width: 40px; min-height: 40px; padding: 0 .5rem; border: 0; border-radius: var(--radius-full); background: transparent;
    color: var(--chrome-ink-2); font-weight: 800; font-size: .85rem; cursor: pointer; }
.ofl-lang-b[aria-pressed="true"] { background: var(--accent); color: var(--on-accent, #152A52); }
@media (max-width: 379px) {
    .ofl-net > span:last-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
    .ofl-logo { display: none; }
}

/* ---- Tab ---- */
.ofl-tabs {
    position: sticky; top: var(--ofl-top-h); z-index: 25; display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
    padding: 8px max(12px, env(safe-area-inset-right)) 8px max(12px, env(safe-area-inset-left));
    background: var(--surface-1); border-bottom: 1px solid var(--border);
}
.ofl-tab {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-height: 44px; padding: .35rem .6rem;
    border: 0; border-radius: var(--radius-md); background: transparent; color: var(--text-2); font-weight: 800; font-size: var(--text-sm); cursor: pointer;
}
.ofl-tab svg, .ofl-kind svg, .ofl-pick svg, .ofl-btn svg, .ofl-done-ic svg, .ofl-empty svg, .ofl-q-act svg, .ofl-q-img svg, .ofl-x svg {
    fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto;
}
.ofl-tab[aria-selected="true"] { background: var(--accent); color: var(--on-accent, #152A52); }
.ofl-badge { display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px;
    background: var(--danger); color: #fff; font-size: .75rem; font-weight: 800; font-variant-numeric: tabular-nums; }

/* ---- Thân ---- */
.ofl-main {
    width: 100%; max-width: 760px; margin: 0 auto; box-sizing: border-box;
    padding: 16px max(16px, env(safe-area-inset-right)) calc(4px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));   /* đáy gọn: chỉ chừa thanh Home iOS */
}
@media (min-width: 1024px) { .ofl-main { max-width: 960px; padding-top: 24px; } }
.ofl-main:focus { outline: none; }
.ofl-card { background: var(--surface-1); border: var(--border-w) solid var(--border); border-radius: var(--radius-lg);
    padding: clamp(16px, 3vw, 24px); box-shadow: var(--elev-1); margin-bottom: 16px; }
.ofl-h1 { margin: 0 0 .25rem; font-size: var(--text-xl); font-weight: 800; color: var(--text-1); text-wrap: balance; }
.ofl-sub { margin: 0 0 1rem; color: var(--text-2); font-size: var(--text-sm); line-height: 1.5; }
.ofl-row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.ofl-link { color: var(--primary-strong); font-weight: 700; }
.ofl-foot { margin: 0; text-align: center; font-size: var(--text-xs); color: var(--text-3); }
.ofl-foot a { display: inline-flex; align-items: center; min-height: 36px; }
/* Thẻ cuối (biểu mẫu "Báo cáo mới" / danh sách "Chờ gửi") sát dòng chân trang — không còn khoảng trống dài ở đáy */
.ofl-main section > .ofl-card:last-child { margin-bottom: 8px; }

/* ---- Thông báo ---- */
.ofl-note {
    display: flex; gap: .6rem; align-items: flex-start; flex-wrap: wrap; padding: .75rem .9rem; margin-bottom: 12px;
    border-radius: var(--radius-md); border: var(--border-w) solid var(--info-line); background: var(--info-bg); color: var(--text-1);
    font-size: var(--text-sm); line-height: 1.5; overflow-wrap: anywhere;
}
.ofl-note > span { flex: 1 1 14rem; min-width: 0; }
.ofl-note.warn { background: var(--warning-bg); border-color: var(--warning-line); color: var(--warning); }
.ofl-note.err { background: var(--danger-bg); border-color: var(--danger-line); color: var(--danger); }
.ofl-note.ok { background: var(--success-bg); border-color: var(--success-line); color: var(--success); }
.ofl-note .btn { min-height: 40px; }

/* ---- Form ---- */
.ofl-field { display: block; margin-bottom: 16px; min-width: 0; }
.ofl-lbl { display: flex; align-items: center; gap: .35rem; flex-wrap: wrap; margin-bottom: 6px; font-weight: 700; font-size: var(--text-sm); color: var(--text-1s); }
.ofl-req { color: var(--danger); font-weight: 800; }
.ofl-count { margin-left: auto; font-size: var(--text-xs); color: var(--text-2); font-variant-numeric: tabular-nums; }
.ofl-field select, .ofl-field input:not([type=file]), .ofl-field textarea {
    display: block; width: 100%; box-sizing: border-box; min-height: 48px; padding: .6rem .8rem;
    border: var(--border-w) solid var(--field-border, var(--border-strong)); border-radius: var(--radius-md);
    background: var(--surface-1); color: var(--text-1); font: inherit; font-size: max(16px, 1rem);
}
.ofl-field select {
    appearance: none; -webkit-appearance: none; padding-right: 2.4rem;
    background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
    background-position: right 1.05rem center, right .75rem center; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat;
}
.ofl-field textarea { min-height: 112px; resize: vertical; line-height: 1.45; }
.ofl-field select:focus-visible, .ofl-field input:focus-visible, .ofl-field textarea:focus-visible {
    outline: 3px solid var(--focus-color); outline-offset: 1px; border-color: var(--primary);
}
.ofl-field.has-err select, .ofl-field.has-err input, .ofl-field.has-err textarea { border-color: var(--danger); }
.ofl-err { display: block; min-height: 0; margin-top: 4px; color: var(--danger); font-size: .85rem; font-weight: 600; }
.ofl-err:empty { display: none; }
/* Mô tả: lỗi (trái) + bộ đếm ký tự (phải) cùng một hàng */
.ofl-meta { display: flex; align-items: baseline; gap: .75rem; margin-top: 4px; }
.ofl-meta .ofl-err { margin-top: 0; flex: 1 1 auto; min-width: 0; }
.ofl-count { margin-left: auto; flex: 0 0 auto; white-space: nowrap; font-size: var(--text-xs); font-weight: 700; color: var(--text-2); font-variant-numeric: tabular-nums; }
.ofl-count.ok { color: var(--success); }
.ofl-grid { display: grid; grid-template-columns: 1fr; gap: 0 12px; }
@media (min-width: 560px) { .ofl-grid { grid-template-columns: 1fr 1fr; } .ofl-grid .ofl-wide { grid-column: 1 / -1; } }
/* Máy tính: giữ 2 cột đều (3 cột làm hàng bị lẻ ô trống); thanh tab canh giữa, rộng bằng khối biểu mẫu */
@media (min-width: 1024px) {
    .ofl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }
    .ofl-tabs { grid-template-columns: repeat(2, minmax(0, 464px)); justify-content: center; }
}

.ofl-kind { display: grid; width: 100%; }
.ofl-kind > button { min-height: 48px; font-size: var(--text-sm); cursor: pointer; }
.ofl-kind > button.on[data-kind="inc"] { background: var(--danger); color: #fff; }
:root[data-theme="dark"] .ofl-kind > button.on[data-kind="inc"] { color: #1a0a08; }

/* Ảnh */
.ofl-photo-btns { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr)); gap: .6rem; }
.ofl-pick {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .3rem; min-height: 84px; padding: .6rem;
    border: 2px dashed var(--border-strong); border-radius: var(--radius-md); background: var(--surface-2); color: var(--primary-strong);
    font-weight: 800; font-size: var(--text-sm); cursor: pointer; text-align: center;
}
.ofl-pick:hover { background: var(--surface-3); border-color: var(--primary); }
.ofl-pick:focus-within { outline: 3px solid var(--focus-color); outline-offset: 2px; }
.ofl-pick.is-disabled { opacity: .5; pointer-events: none; }
.ofl-perr { margin-top: .5rem; color: var(--danger); font-size: .85rem; font-weight: 600; }
.ofl-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: .5rem; margin-top: .7rem; }
.ofl-thumbs:empty { display: none; }
.ofl-thumb { position: relative; aspect-ratio: 1; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); background: var(--surface-3); }
.ofl-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ofl-thumb .ofl-open { display: block; width: 100%; height: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.ofl-thumb .ofl-open:focus-visible { outline: 3px solid var(--focus-color); outline-offset: -3px; }
/* Nút xoá = chấm tròn 28px gọn ở góc (vùng chạm mở rộng ~40px) — cùng kiểu form trong app */
.ofl-thumb .ofl-x {
    position: absolute; top: 6px; right: 6px; z-index: 1; display: grid; place-items: center; width: 28px; height: 28px; padding: 0;
    border-radius: 50%; border: 1.5px solid rgba(255, 255, 255, .9); background: rgba(15, 23, 42, .72); color: #fff; cursor: pointer;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .35);
}
.ofl-thumb .ofl-x::after { content: ""; position: absolute; inset: -6px; }
.ofl-thumb .ofl-x:hover { background: var(--danger); }
.ofl-thumb .ofl-x svg { fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; }
.ofl-thumb .ofl-busy { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(15, 23, 42, .45); color: #fff; font-size: .8rem; font-weight: 700; }

/* GPS */
.ofl-gps-btn { width: 100%; }
.ofl-gps { margin-top: .5rem; font-size: var(--text-sm); color: var(--text-2); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.ofl-gps.ok { color: var(--success); font-weight: 700; }
.ofl-gps .warn { display: block; color: var(--warning); font-weight: 600; margin-top: .2rem; }

/* Nút gửi: nằm YÊN ở cuối form (không dính đáy) — cùng kiểu nút Gửi của form Gemba/Sự cố trong app */
.ofl-btn { min-height: 48px; font-size: var(--text-sm); cursor: pointer; }
.ofl-actions { margin-top: 16px; }
.ofl-submit { width: 100%; min-height: 52px; font-size: 1.05rem; }
.ofl-flash { margin-bottom: .6rem; padding: .7rem .85rem; border-radius: var(--radius-md); font-size: var(--text-sm); font-weight: 600;
    background: var(--danger-bg); color: var(--danger); border: var(--border-w) solid var(--danger-line); }
.ofl-flash.ok { background: var(--success-bg); color: var(--success); border-color: var(--success-line); }

/* Đã lưu */
.ofl-done { text-align: center; }
.ofl-done-ic { width: 72px; height: 72px; margin: 4px auto 12px; border-radius: 50%; display: grid; place-items: center;
    background: var(--success-bg); color: var(--success); border: 2px solid var(--success-line); }
.ofl-done-act { justify-content: center; }
.ofl-done-act .btn { flex: 1 1 160px; max-width: 280px; }

/* ---- Hàng đợi ---- */
.ofl-qhead { display: flex; flex-wrap: wrap; gap: .8rem; align-items: flex-start; justify-content: space-between; }
.ofl-qhead > div { flex: 1 1 16rem; min-width: 0; }
.ofl-qhead .btn { flex: 0 0 auto; }
@media (max-width: 479px) { .ofl-qhead .btn { width: 100%; } }
.ofl-qmsg { margin: .2rem 0 .8rem; padding: .6rem .8rem; border-radius: var(--radius-md); background: var(--info-bg);
    border: var(--border-w) solid var(--info-line); font-size: var(--text-sm); }
.ofl-qlist { list-style: none; margin: .9rem 0 0; padding: 0; display: grid; gap: 12px; }   /* cách nút "Gửi ngay" phía trên */
@media (min-width: 1024px) { .ofl-qlist { grid-template-columns: 1fr 1fr; } }
/* Thẻ báo cáo chờ gửi: vạch trái theo loại (Gemba xanh · Sự cố đỏ); đầu thẻ ảnh/icon · chữ · nhãn trạng thái; nút chia đều bên dưới */
.ofl-q {
    --kc: var(--kind-obs, var(--primary)); display: block; padding: .8rem .85rem; border-radius: var(--radius-md);
    border: var(--border-w) solid var(--border); border-left: 4px solid var(--kc); background: var(--surface-1); box-shadow: var(--elev-1);
}
.ofl-q.k-inc { --kc: var(--kind-inc, var(--danger)); }
.ofl-q.is-error { border-color: var(--danger-line); border-left-color: var(--danger); }
.ofl-q-head { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; align-items: start; gap: .7rem; }
.ofl-q-img { width: 52px; height: 52px; border-radius: 12px; overflow: hidden; display: grid; place-items: center;
    color: var(--kc); background: color-mix(in srgb, var(--kc) 12%, var(--surface-1)); }
.ofl-q-kind { font-size: var(--text-xs); font-weight: 800; letter-spacing: .03em; text-transform: uppercase; color: var(--kc); overflow-wrap: anywhere; }
.ofl-q-head .ofl-st { white-space: nowrap; }
.ofl-q-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ofl-q-main { min-width: 0; }
.ofl-q-top { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }
.ofl-q-t { font-weight: 800; font-size: var(--text-sm); color: var(--text-1); }
.ofl-q-meta { font-size: var(--text-xs); color: var(--text-2); margin-top: 2px; font-variant-numeric: tabular-nums; }
.ofl-q-desc { font-size: var(--text-sm); color: var(--text-1s); margin: .6rem 0 0; padding-top: .55rem; border-top: 1px solid var(--border-soft); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow-wrap: anywhere; }
.ofl-q-err { font-size: .85rem; color: var(--danger); font-weight: 600; margin-top: .25rem; overflow-wrap: anywhere; }
.ofl-q-act { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: .45rem; margin-top: .7rem; }
.ofl-q-act .btn { min-height: 42px; padding: 0 .5rem; font-size: var(--text-sm); justify-content: center; gap: .35rem; white-space: nowrap; }
.ofl-kt { display: inline-flex; align-items: center; padding: .1rem .5rem; border-radius: var(--radius-sm); font-size: var(--text-xs); font-weight: 800; }
.ofl-kt.obs { background: var(--info-bg); color: var(--primary-strong); }
.ofl-kt.inc { background: var(--danger-bg); color: var(--danger); }
.ofl-st { display: inline-flex; align-items: center; gap: .3rem; padding: .1rem .5rem; border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 800; }
.ofl-st.pending { background: var(--warning-bg); color: var(--warning); }
.ofl-st.sending { background: var(--info-bg); color: var(--info); }
.ofl-st.sent { background: var(--success-bg); color: var(--success); }
.ofl-st.error { background: var(--danger-bg); color: var(--danger); }
.ofl-empty { padding: 28px 12px; }

@media (prefers-reduced-motion: no-preference) {
    .ofl-st.sending::before { content: ""; width: 10px; height: 10px; border-radius: 50%; border: 2px solid currentColor; border-top-color: transparent; animation: ofl-rot .8s linear infinite; }
}
@keyframes ofl-rot { to { transform: rotate(360deg); } }
[hidden] { display: none !important; }

/* ---- Xem ảnh lớn (lightbox) — trang offline không nạp admin.css nên có CSS riêng, cùng giao diện .ard-lb ---- */
.ofl-lb { position: fixed; inset: 0; z-index: 1500; display: flex; align-items: center; justify-content: center; cursor: zoom-out;
    padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    background: rgba(5, 10, 20, .55); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.ofl-lb[hidden] { display: none; }
.ofl-lb-box { display: flex; flex-direction: column; width: 100%; max-width: 1200px; max-height: 100%; border-radius: var(--radius-lg); overflow: hidden; outline: none; }
.ofl-lb-box > img { display: block; width: auto; height: auto; max-width: 100%; margin: auto; max-height: calc(100dvh - 120px); object-fit: contain; touch-action: pinch-zoom; cursor: default; filter: drop-shadow(0 10px 30px rgba(0, 0, 0, .45)); }
.ofl-lb-bar { display: flex; align-items: center; justify-content: space-between; gap: .5rem 1rem; padding: .55rem .8rem; cursor: default;
    color: #e2e8f0; font-size: var(--text-sm); background: rgba(15, 23, 42, .72); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.ofl-lb-act { display: flex; gap: .35rem; margin-left: auto; }
.ofl-lb-act button, .ofl-lb-act a { display: inline-grid; place-items: center; min-width: 44px; height: 44px; padding: 0 .6rem; border: 0; border-radius: var(--radius-md);
    background: rgba(255, 255, 255, .14); color: #fff; text-decoration: none; cursor: pointer; }
.ofl-lb-act button:hover, .ofl-lb-act a:hover { background: rgba(255, 255, 255, .26); }
.ofl-lb-act [hidden] { display: none; }
.ofl-lb-act svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ofl-lb-act :focus-visible { outline: 3px solid #E7CF7F; outline-offset: 2px; }
@media (max-width: 767px) {
    .ofl-lb { padding: 0; }
    .ofl-lb-box { height: 100%; max-height: none; border-radius: 0; }
    .ofl-lb-box > img { max-height: calc(100dvh - 72px - env(safe-area-inset-bottom)); }
    .ofl-lb-bar { padding-bottom: calc(.55rem + env(safe-area-inset-bottom)); }
    .ofl-lb-act button, .ofl-lb-act a { height: 48px; min-width: 48px; }
}
@media (prefers-reduced-transparency: reduce) { .ofl-lb { background: rgba(5, 10, 20, .92); -webkit-backdrop-filter: none; backdrop-filter: none; } .ofl-lb-bar { background: #0f172a; } }

/* Khung xem ảnh PhotoSwipe (js/photo-viewer.js) — cùng kiểu trang trực tuyến (css/admin.css) */
.pswp__hsse-caption {
    position: absolute; left: 50%; bottom: max(14px, env(safe-area-inset-bottom)); transform: translateX(-50%);
    max-width: calc(100% - 32px); padding: .35rem .8rem; border-radius: 999px; background: rgba(15, 23, 42, .72); color: #e2e8f0;
    font-size: .8125rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; pointer-events: none; transition: opacity .2s;
}
.pswp:not(.pswp--ui-visible) .pswp__hsse-caption { opacity: 0; }
.pswp__counter { font-weight: 700; }
.pswp__top-bar { top: env(safe-area-inset-top, 0px); }
@media (max-width: 767px) { .pswp__top-bar { top: max(60px, env(safe-area-inset-top, 0px)); } }