/* =============================================================
   REN NGHE BDS — style.css
   Responsive: Mobile (≤600px) | iPad (601-1024px) | Laptop (>1024px)
   ============================================================= */

/* ── RESET & BASE ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

/* ── THEME VARIABLES ──────────────────────────────────────── */
:root {
    --bg:        #f0f4f8;
    --bg2:       #ffffff;
    --bg3:       #f8f9fa;
    --text:      #1a1a2e;
    --text2:     #555;
    --text3:     #999;
    --border:    #e0e0e0;
    --border2:   #ccc;
    --card:      #ffffff;
    --topbar-h:  56px;   /* chiều cao topbar mobile */
    /* Màu accent từng phiếu */
    --clr-a:     #185FA5;
    --clr-b:     #3B6D11;
    --clr-c:     #993C1D;
    --clr-d:     #534AB7;
    --clr-e:     #0F6E56;
    --clr-admin: #37474F;
}

/* ── NAV (Laptop) ─────────────────────────────────────────── */
#nav {
    display: none;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
    height: 52px;
    align-items: center;
    gap: 16px;
    position: sticky; top: 0; z-index: 100;
}
.nav-logo {
    font-size: 16px; font-weight: 700;
    color: var(--clr-a); text-decoration: none;
    display: flex; align-items: center; gap: 8px;
}
.nav-logo span { font-weight: 400; color: var(--text2); }
.nav-menu { display: flex; gap: 4px; margin-left: 16px; }
.nav-item {
    padding: 6px 12px; border-radius: 7px;
    font-size: 13px; color: var(--text2);
    text-decoration: none; transition: all .15s;
}
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active { background: #E6F1FB; color: var(--clr-a); font-weight: 600; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-user-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 5px 12px 5px 6px; border-radius: 9px;
    border: 1px solid var(--border); background: var(--bg3);
    cursor: pointer; font-family: inherit; font-size: 12px;
    transition: all .15s;
}
.nav-user-btn:hover { border-color: var(--clr-a); }

/* ── SIDEBAR (Laptop) ─────────────────────────────────────── */
.layout-laptop { display: none; }

/* ── TOPBAR (Mobile/iPad) ─────────────────────────────────── */
.topbar {
    color: #fff;
    padding: 12px 16px 10px;
    display: flex; align-items: center; gap: 12px;
    position: sticky; top: 0; z-index: 90;
}
.topbar-back {
    color: #fff; text-decoration: none;
    font-size: 22px; line-height: 1; padding: 2px 4px;
}
.topbar-info .t1 { font-size: 15px; font-weight: 700; }
.topbar-info .t2 { font-size: 11px; opacity: .8; margin-top: 1px; }
.topbar-right { margin-left: auto; }

/* ── BOTTOM NAV (Mobile) ──────────────────────────────────── */
.bottom-nav {
    display: flex;
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg2);
    border-top: 1px solid var(--border);
    z-index: 100; height: 56px;
}
.bn-item {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 3px; text-decoration: none;
    color: var(--text3); font-size: 10px;
    transition: color .15s;
}
.bn-item.active { color: var(--clr-a); }
.bn-icon { font-size: 20px; }
.page-body { padding: 12px 12px 68px; }  /* 68px = bottom-nav clearance */

/* ── CARD ─────────────────────────────────────────────────── */
.card {
    background: var(--card);
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 14px 16px;
    margin-bottom: 12px;
}
.card-head {
    font-size: 12px; font-weight: 700;
    color: var(--text2);
    padding-bottom: 10px; margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 6px;
}

/* ── FORM ELEMENTS ────────────────────────────────────────── */
.field { margin-bottom: 11px; }
.field:last-child { margin-bottom: 0; }
.field label {
    display: block; font-size: 12px; font-weight: 600;
    color: var(--text2); margin-bottom: 4px;
}
.field label .req { color: #e53935; }
.field input[type="text"],
.field input[type="number"],
.field input[type="date"],
.field input[type="email"],
.field input[type="password"],
.field select,
.field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: var(--bg3);
    color: var(--text);
    transition: border-color .2s;
    -webkit-appearance: none;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--clr-a);
    background: #fff;
}
.field textarea { min-height: 72px; resize: vertical; }
.field .hint { font-size: 11px; color: var(--text3); margin-top: 3px; font-style: italic; }

/* ── GRID 2 & 3 COLS ──────────────────────────────────────── */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.g3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }

/* ── AUTO-LOAD BOX (khi nhập mã → tự load giá NN) ─────────── */
.auto-load-box {
    background: #E6F1FB;
    border: 1px solid #B5D4F4;
    border-radius: 8px;
    padding: 10px 12px;
    margin-top: 6px;
}
.auto-load-box .alb-title {
    font-size: 11px; font-weight: 700; color: #0C447C;
    margin-bottom: 7px; display: flex; align-items: center; gap: 5px;
}
.auto-load-box .alb-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px;
}
.auto-load-item {
    background: #fff; border-radius: 6px; padding: 5px 8px;
}
.auto-load-item .ali-k { font-size: 9px; color: #185FA5; margin-bottom: 1px; }
.auto-load-item .ali-v { font-size: 12px; font-weight: 600; color: var(--text); }

/* ── GPS BOX ──────────────────────────────────────────────── */
.gps-box {
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 10px;
}
.gps-box-title { font-size: 11px; font-weight: 700; margin-bottom: 8px; }
.gps-btn {
    width: 100%; padding: 9px; border: none; border-radius: 7px;
    font-size: 13px; font-weight: 700; color: #fff; cursor: pointer;
    margin-top: 7px; display: flex; align-items: center; justify-content: center; gap: 6px;
}
.gps-status { font-size: 11px; color: var(--text3); margin-top: 5px; text-align: center; min-height: 16px; }

/* ── CALC BOX (giá tự tính) ────────────────────────────────── */
.calc-box {
    border-radius: 8px; padding: 8px 12px;
    text-align: center; border: 1px solid;
}
.calc-box .cv { font-size: 20px; font-weight: 700; }
.calc-box .cl { font-size: 10px; margin-top: 1px; }

/* ── TAG CHIPS (chọn loại) ────────────────────────────────── */
.tag-group { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 5px; }
.tag-chip {
    padding: 5px 11px; border-radius: 16px; border: 1.5px solid var(--border);
    font-size: 12px; cursor: pointer; transition: all .15s;
    background: var(--bg3); color: var(--text2);
    user-select: none;
}
.tag-chip.selected { border-color: transparent; color: #fff; }

/* ── NOTE BOX ────────────────────────────────────────────── */
.note-box {
    font-size: 11px; padding: 7px 10px;
    border-left: 3px solid; border-radius: 0 7px 7px 0;
    margin-bottom: 10px; line-height: 1.5;
}

/* ── EXTRA FIELDS (Thêm trường tự do) ────────────────────── */
.extra-wrap { border: 1.5px dashed var(--border2); border-radius: 8px; padding: 10px; }
.extra-row { display: flex; gap: 6px; align-items: center; margin-bottom: 7px; }
.extra-row input { flex: 1; }
.extra-del {
    flex-shrink: 0; padding: 6px 10px; border: none; border-radius: 6px;
    background: #FCEBEB; color: #A32D2D; cursor: pointer; font-size: 12px;
}
.btn-add-field {
    width: 100%; padding: 8px; border: 1.5px dashed var(--border2);
    border-radius: 7px; background: transparent; color: var(--text3);
    font-size: 12px; cursor: pointer; transition: all .15s; margin-top: 6px;
}
.btn-add-field:hover { border-color: var(--clr-a); color: var(--clr-a); }

/* ── SUBMIT BUTTON ───────────────────────────────────────── */
.btn-submit {
    width: 100%; padding: 14px; border: none; border-radius: 12px;
    font-size: 16px; font-weight: 700; color: #fff; cursor: pointer;
    margin-top: 6px; display: flex; align-items: center; justify-content: center; gap: 8px;
    transition: opacity .2s;
}
.btn-submit:hover { opacity: .9; }
.btn-submit:active { transform: scale(.98); }

/* ── STARS RATING ────────────────────────────────────────── */
.star-group { display: flex; gap: 4px; margin-top: 4px; }
.star {
    font-size: 24px; cursor: pointer; color: var(--border2);
    transition: color .15s; line-height: 1;
}
.star.on { color: #EF9F27; }

/* ── TOAST NOTIFICATION ──────────────────────────────────── */
.toast {
    display: none;
    position: fixed; bottom: 70px; left: 50%; transform: translateX(-50%);
    background: #333; color: #fff; padding: 11px 20px;
    border-radius: 20px; font-size: 13px; z-index: 999;
    max-width: 90%; text-align: center; white-space: pre-line;
}
.toast.show   { display: block; }
.toast.ok     { background: #2e7d32; }
.toast.error  { background: #c62828; }
.toast.info   { background: var(--clr-a); }

/* ── BADGE / STATUS ──────────────────────────────────────── */
.badge {
    display: inline-block; padding: 2px 9px; border-radius: 20px;
    font-size: 11px; font-weight: 600;
}
.badge-wait   { background: #FFF8E1; color: #854F0B; }
.badge-ok     { background: #EAF3DE; color: #27500A; }
.badge-no     { background: #FCEBEB; color: #791F1F; }
.badge-main   { background: #E6F1FB; color: #0C447C; }

/* ── TABLE (danh sách) ───────────────────────────────────── */
.tbl-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border); }
.tbl {
    width: 100%; border-collapse: collapse; font-size: 13px;
    table-layout: fixed;
}
.tbl th {
    background: #1F4E79; color: #fff; padding: 10px 12px;
    text-align: left; font-size: 12px; font-weight: 600;
    white-space: nowrap;
}
.tbl td {
    padding: 9px 12px; border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.tbl tr:last-child td { border-bottom: none; }
.tbl tr:nth-child(even) td { background: var(--bg3); }
.tbl tr:hover td { background: #E6F1FB; }

/* ── FILE UPLOAD DROP ZONE ──────────────────────────────── */
.drop-zone {
    border: 2px dashed var(--border2); border-radius: 10px;
    padding: 24px; text-align: center; cursor: pointer;
    transition: all .2s; background: var(--bg3);
}
.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--clr-a);
    background: #E6F1FB;
}
.drop-zone .dz-icon { font-size: 32px; margin-bottom: 8px; }
.drop-zone .dz-text { font-size: 13px; color: var(--text2); }
.drop-zone .dz-hint { font-size: 11px; color: var(--text3); margin-top: 4px; }

/* ── SCORE CARD ─────────────────────────────────────────── */
.score-grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 8px; }
.score-card {
    background: var(--bg3); border-radius: 9px; padding: 10px 12px;
    border: 1px solid var(--border);
}
.score-card .sc-label { font-size: 10px; color: var(--text3); margin-bottom: 3px; }
.score-card .sc-formula { font-size: 10px; color: var(--text2); margin-bottom: 4px; }
.score-card .sc-val { font-size: 18px; font-weight: 700; color: var(--text); }
.score-final {
    background: #EAF3DE; border-radius: 10px; padding: 14px;
    text-align: center; border: 1px solid #C0DD97; margin-top: 10px;
}
.score-final .sf-val { font-size: 28px; font-weight: 700; color: #27500A; }
.score-final .sf-label { font-size: 12px; color: #3B6D11; margin-top: 3px; }

/* ── RESPONSIVE: IPAD (601-1024px) ──────────────────────── */
@media (min-width: 601px) {
    .page-body { padding: 16px 20px 76px; }
    .card { padding: 16px 20px; border-radius: 14px; }
    .field label { font-size: 13px; }
    .field input, .field select, .field textarea { font-size: 14px; }
    .g2 { gap: 14px; }
    .g3 { gap: 12px; }
    .bottom-nav { height: 60px; }
    .bn-icon { font-size: 22px; }
    .bn-item { font-size: 11px; }
    .topbar-info .t1 { font-size: 17px; }
    .auto-load-box .alb-grid { grid-template-columns: repeat(4, 1fr); }
    .score-grid3 { grid-template-columns: repeat(4, 1fr); }
}

/* layout-laptop luon block (boc ngoai content), sidebar an mac dinh */
.layout-laptop { display: block; }
.sidebar-lp { display: none; }

/* ── RESPONSIVE: LAPTOP (>1024px) ───────────────────────── */
@media (min-width: 1025px) {
    #nav { display: flex; }
    .bottom-nav { display: none; }
    .topbar { display: none; }

    .layout-laptop {
        display: flex;
        min-height: calc(100vh - 52px);
    }
    .layout-mobile {
        flex: 1;
        min-width: 0;
    }
    .layout-mobile .page-body {
        padding: 20px 28px 28px;
        max-width: 900px;
    }

    /* Sidebar */
    .sidebar-lp {
        display: block;
        width: 200px; flex-shrink: 0;
        background: var(--bg2);
        border-right: 1px solid var(--border);
        padding: 16px 8px;
        position: sticky; top: 52px;
        height: calc(100vh - 52px);
        overflow-y: auto;
    }
    .sidebar-lp .sb-section { font-size: 10px; font-weight: 700; color: var(--text3); padding: 10px 10px 4px; text-transform: uppercase; letter-spacing: .8px; }
    .sidebar-lp .sb-link {
        display: flex; align-items: center; gap: 8px;
        padding: 8px 12px; border-radius: 8px; margin-bottom: 2px;
        font-size: 13px; color: var(--text2); text-decoration: none;
        transition: all .15s;
    }
    .sidebar-lp .sb-link:hover { background: var(--bg); color: var(--text); }
    .sidebar-lp .sb-link.active { background: #E6F1FB; color: var(--clr-a); font-weight: 600; }
    .sidebar-lp .sb-icon { font-size: 16px; }

    /* Main content */
    .main-lp {
        flex: 1; padding: 24px 28px; overflow-y: auto;
        max-width: 1100px;
    }
    .page-title { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 20px; }
    .form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

    .card { border-radius: 14px; }
    .card-head { font-size: 13px; }
    .field label { font-size: 13px; }
    .auto-load-box .alb-grid { grid-template-columns: repeat(5, 1fr); }
    .auto-load-item .ali-v { font-size: 13px; }
    .score-grid3 { grid-template-columns: repeat(4, 1fr); }
    .tbl { font-size: 13px; }
    .tbl td, .tbl th { padding: 11px 14px; }
    .btn-submit { font-size: 15px; max-width: 360px; }
}

/* ── UTILITIES ───────────────────────────────────────────── */
.full { grid-column: 1 / -1; }
.mt8  { margin-top: 8px; }
.mt12 { margin-top: 12px; }
.txt-muted { color: var(--text2); font-size: 12px; }
.txt-center { text-align: center; }
.sep-line { border: none; border-top: 1px solid var(--border); margin: 14px 0; }
.avatar-circle {
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; font-weight: 700; color: #fff; flex-shrink: 0;
}
.loading { opacity: .5; pointer-events: none; }





/* ═══════════════════════════════════════════════════════
   THÊM VÀO assets/style.css — Module Tài liệu hướng dẫn
   ═══════════════════════════════════════════════════════ */

/* Trang đọc tài liệu (xem-tl.jsp) */
.tl-content{font-family:"Times New Roman",serif;font-size:13pt;line-height:1.9;color:#111;}
.tl-content h1{font-size:1.5em;font-weight:700;margin:1.2em 0 .5em;border-bottom:2px solid #185FA5;padding-bottom:.3em;}
.tl-content h2{font-size:1.25em;font-weight:700;margin:1.2em 0 .4em;color:#185FA5;}
.tl-content h2.buoi-title{background:#185FA5;color:#fff;padding:10px 14px;border-radius:8px;font-size:1.1em;margin-top:1.5em;}
.tl-content h3{font-size:1.05em;font-weight:700;margin:1em 0 .3em;color:#0C447C;border-left:3px solid #0C447C;padding-left:10px;}
.tl-content h4{font-size:.95em;font-weight:700;margin:.8em 0 .2em;color:var(--text2);}
.tl-content p{margin:.5em 0;text-align:justify;}
.tl-content ul,.tl-content ol{padding-left:1.6em;margin:.5em 0;}
.tl-content li{margin:.25em 0;}

/* Bảng trong tài liệu */
.tl-table-wrap{overflow-x:auto;margin:1em 0;}
.tl-table{width:100%;border-collapse:collapse;font-size:12pt;}
.tl-table th{background:#185FA5;color:#fff;padding:8px 10px;text-align:left;font-weight:700;}
.tl-table td{padding:6px 10px;border:1px solid #ccc;vertical-align:top;}
.tl-table tr:nth-child(even) td{background:#f5f8ff;}

/* Hộp nội dung đặc biệt */
.box-muctieu{background:#EAF3DE;border-left:4px solid #3B6D11;border-radius:0 8px 8px 0;padding:12px 14px;margin:12px 0;}
.box-canhbao{background:#FFF8E1;border-left:4px solid #E65100;border-radius:0 8px 8px 0;padding:12px 14px;margin:12px 0;}
.box-lienhe{background:#E6F1FB;border-left:4px solid #185FA5;border-radius:0 8px 8px 0;padding:12px 14px;margin:12px 0;}
.box-thuatngu{background:#EEEDFE;border-left:4px solid #534AB7;border-radius:0 8px 8px 0;padding:12px 14px;margin:12px 0;}
.box-thaoluan{background:#FFF3E0;border-left:4px solid #F57C00;border-radius:0 8px 8px 0;padding:12px 14px;margin:12px 0;}
.box-sanpham{background:#E8F5E9;border-left:4px solid #2E7D32;border-radius:0 8px 8px 0;padding:12px 14px;margin:12px 0;}
.box-linhchinh{background:#FCE4EC;border-left:4px solid #C62828;border-radius:0 8px 8px 0;padding:12px 14px;margin:12px 0;}
.box-muctieu .box-header,.box-canhbao .box-header,.box-lienhe .box-header,
.box-thuatngu .box-header,.box-thaoluan .box-header,.box-sanpham .box-header,
.box-linhchinh .box-header{font-weight:700;font-size:.95em;margin-bottom:6px;}