:root{--bg-sidebar:#f3f4f0;--bg-app:#f3f4f0;--bg-panel:#fff;--primary:#2a6657;--primary-hover:#20544a;--primary-tint:#e3eeea;--danger:#b3413a;--text-main:#1e2420;--text-muted:#5b655d;--text-faint:#8d968a;--border:#dee2d8;--radius:12px;--font-ui:'IBM Plex Sans',system-ui,sans-serif;--font-serif:'Newsreader',Georgia,serif}
*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-ui);background:var(--bg-app);color:var(--text-main);font-size:15px}button,input,textarea{font:inherit}.alert-error{background:#f5e6e4;color:var(--danger);padding:10px 14px;border-radius:10px;margin:12px}.btn-primary,.auth-card button{background:var(--primary);color:#fff;border:0;border-radius:10px;padding:11px 16px;font-weight:700;cursor:pointer}.auth-body{min-height:100vh;display:grid;place-items:center}.auth-card{width:min(380px,92vw);background:var(--bg-panel);border:1px solid var(--border);border-radius:18px;padding:28px;box-shadow:0 18px 40px rgba(30,36,32,.12)}.auth-card label{display:block;margin:12px 0;color:var(--text-muted)}.auth-card input{width:100%;margin-top:6px;border:1px solid var(--border);border-radius:10px;padding:11px}.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:24px}.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--primary)}
/* Admin dashboard template */
.admin-body{min-height:100vh;display:grid;grid-template-columns:250px minmax(0,1fr);background:#f6f7f4}.ad-side{background:#101828;color:#cbd5e1;padding:22px 14px;display:flex;flex-direction:column;gap:6px}.ad-side .brand{color:#fff;margin-bottom:18px}.ad-link{color:#cbd5e1;text-decoration:none;padding:11px 12px;border-radius:10px}.ad-link.active,.ad-link:hover{background:#1d2939;color:#fff}.ad-main{min-width:0}.ad-top{background:#fff;border-bottom:1px solid #e4e7ec;padding:18px 26px}.ad-top p{color:#667085}.ad-content{padding:24px;display:flex;flex-direction:column;gap:18px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.card{background:#fff;border:1px solid #e4e7ec;border-radius:16px;padding:18px;box-shadow:0 1px 2px rgba(16,24,40,.04)}.card span{color:#667085}.card strong{display:block;font-size:30px;margin-top:8px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.form-grid label{display:flex;flex-direction:column;gap:6px;color:#475467}.form-grid input,.form-grid select,.form-grid textarea{border:1px solid #d0d5dd;border-radius:10px;padding:10px;background:#fff}.form-grid .full{grid-column:1/-1}.user-row{display:grid;grid-template-columns:150px 1fr 110px 1.2fr 1.2fr 80px 70px;gap:8px;align-items:center;padding:10px 0;border-top:1px solid #eef2f6}.user-row input,.user-row select{border:1px solid #d0d5dd;border-radius:8px;padding:8px}.user-row button{border:1px solid #d0d5dd;background:#fff;border-radius:8px;padding:8px;cursor:pointer}.alert-ok{background:#e3eeea;color:var(--primary);padding:10px 14px;border-radius:10px}@media(max-width:900px){.admin-body{grid-template-columns:1fr}.ad-side{flex-direction:row;overflow-x:auto}.cards,.form-grid{grid-template-columns:1fr}.user-row{grid-template-columns:1fr 1fr}}


.avatar.lg{width:84px;height:84px;font-size:30px}.avatar-edit{display:flex;gap:14px;align-items:center}.btn-file{border:1px solid var(--border);border-radius:999px;padding:8px 14px;cursor:pointer;background:#fff}.check{display:flex;gap:8px;align-items:center;margin-top:8px;color:var(--text-muted)}

.avatar{width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;object-fit:cover}.avatar.lg{width:84px;height:84px;font-size:30px}
/* Shared production admin controls. */
.ad-side{background:#14211d}.ad-link.active,.ad-link:hover{background:#2a6657}.ad-side button.ad-link{border:0;background:transparent;font:inherit;cursor:pointer;width:100%;text-align:left}.content-row{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--border);overflow-wrap:anywhere}.content-row>div:first-child{flex:1;min-width:0}.content-row p{color:var(--text-muted);font-size:13px;margin-top:4px}.content-row button{padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer}.card h2{font-size:18px;margin-bottom:14px}.card strong{overflow-wrap:anywhere}.form-grid{margin-top:12px}.form-grid>*{min-width:0}.form-grid input,.form-grid textarea,.form-grid select{max-width:100%;width:100%}.form-grid input[type=checkbox]{width:auto;align-self:flex-start}.admin-tabs{display:flex;flex-wrap:wrap;gap:8px}.admin-tabs a{color:var(--primary);border:1px solid var(--border);border-radius:20px;padding:8px 14px;text-decoration:none}.admin-tabs .selected{background:var(--primary);color:#fff}.inbox-messages{max-height:480px;overflow:auto;display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.inbox-messages article{border:1px solid var(--border);border-radius:10px;padding:12px}.inbox-messages p,.internal-note p{white-space:pre-wrap;overflow-wrap:anywhere}.inbox-messages small{display:block;color:var(--text-muted)}.inbox-image{max-width:100%;max-height:240px}.internal-note{padding:12px;background:#fbf2e0;margin:12px 0;border-radius:10px}.user-row>*{min-width:0}.ad-side .brand{font-family:var(--font-ui);font-size:21px}a{color:var(--primary)}:focus-visible{outline:2px solid var(--primary);outline-offset:3px}@media(max-width:900px){.admin-body{height:auto;align-content:start}.ad-side{align-items:center;gap:4px;padding:10px;flex-wrap:wrap;overflow:visible}.ad-side .brand{width:100%;margin:0 0 8px}.ad-link{padding:8px;font-size:13px;white-space:nowrap}.ad-content{padding:14px}.ad-top{padding:16px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.content-row{gap:8px;flex-wrap:wrap}.user-row{grid-template-columns:minmax(0,1fr)}.user-row strong{font-size:18px}.user-row input,.user-row select{width:100%}}
/* Quản trị trang Giới thiệu phần mềm (admin/modules.php) */
.mod-admin-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}.mod-admin-head h2{margin:0}.mod-admin-head .btn-primary{text-decoration:none;display:inline-block}
.btn-ghost{display:inline-block;padding:10px 14px;border:1px solid var(--border);border-radius:10px;background:#fff;text-decoration:none;font-weight:600}
.mod-admin-icon{width:40px;height:40px;border-radius:10px;object-fit:cover;flex-shrink:0;display:grid;place-items:center;background:var(--primary-tint);color:var(--primary);font-weight:800}
.mod-admin-row.is-hidden>div:nth-child(2){opacity:.6}
.status-pill{font-size:11px;font-weight:700;border-radius:999px;padding:1px 8px;vertical-align:2px}.status-pill.on{background:#e7f3ec;color:#1f7a4d}.status-pill.off{background:#eef0ea;color:#5b655d}
.row-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.row-actions form{display:flex;gap:4px}.row-actions button:disabled{opacity:.4;cursor:not-allowed}.row-actions .danger{color:var(--danger)}
.mod-badge-fields{display:grid;grid-template-columns:minmax(0,1fr) 130px;gap:12px}
.mod-icon-field{border:1px solid #e4e7ec;border-radius:12px;padding:12px 14px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:end}.mod-icon-field legend{padding:0 6px;color:#475467}.mod-icon-field>small{grid-column:1/-1;color:#667085}.mod-icon-field label{display:flex;flex-direction:column;gap:6px;color:#475467}
.mod-icon-current{grid-column:1/-1;display:flex;align-items:center;gap:12px}
.form-grid small{color:#667085;font-weight:400}.form-grid code{background:#f2f4f7;padding:0 4px;border-radius:4px}.mod-active{align-self:end;flex-direction:row!important}
.mod-hint{color:#667085;font-size:13px;margin-top:-6px}
@media(max-width:900px){.mod-icon-field,.mod-badge-fields{grid-template-columns:1fr}.row-actions{width:100%}}
.mod-admin-row>div:nth-child(2){flex:1;min-width:0}.mod-admin-row>.row-actions{flex:0 0 auto;justify-content:flex-end}

/* Trình tạo trang Giới thiệu (admin/intro.php) */
.blk-admin-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin:10px 0 18px;padding:0}
.blk-admin-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:#fff;flex-wrap:wrap}
.blk-admin-item.is-hidden{background:#f8f9f6}.blk-admin-item.is-hidden .blk-admin-sum{opacity:.6}
.blk-admin-item.is-editing{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-tint)}
.blk-admin-item.is-dragging{opacity:.45;border-style:dashed}
.blk-admin-list.is-saving{pointer-events:none;opacity:.6}
.blk-drag{cursor:grab;font-size:20px;color:#98a2b3;padding:0 4px;user-select:none}
.blk-admin-type{font-weight:700;min-width:170px}
.blk-admin-sum{flex:1;min-width:120px;color:var(--text-muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.blk-admin-item .row-actions{margin-left:auto}
.row-actions form{display:flex;gap:4px;margin:0}.row-actions button{padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer;font-size:13px}
.blk-add{display:flex;gap:10px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:16px}
.blk-add label{font-weight:700}.blk-add select{flex:1;min-width:240px;border:1px solid #d0d5dd;border-radius:10px;padding:10px;background:#fff;max-width:100%}
.blk-form .blk-field{display:flex;flex-direction:column;gap:6px;color:#475467}
.blk-form .blk-field>span:first-child{font-weight:600;font-size:13.5px}
.blk-form .blk-field small{color:#667085;font-size:12px}
.blk-img-field{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.blk-img-field img{width:84px;height:56px;object-fit:cover;border-radius:8px;border:1px solid var(--border)}
.blk-img-empty{display:grid;place-items:center;width:84px;height:56px;border:1px dashed #d0d5dd;border-radius:8px;font-size:11px;color:#98a2b3;text-align:center}
.blk-img-field input[type=file]{flex:1;min-width:180px;border:0;padding:0}
.rep{border:1px solid #e4e7ec;border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.rep legend{padding:0 6px;font-weight:700;color:#344054}.rep legend small{font-weight:400;color:#667085}
.rep-list{display:flex;flex-direction:column;gap:10px}
.rep-row{display:flex;gap:10px;align-items:flex-start;background:#f9fafb;border:1px solid #eaecf0;border-radius:10px;padding:12px}
.rep-fields{flex:1;min-width:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.rep-fields .full{grid-column:1/-1}
.rep-tools{display:flex;flex-direction:column;gap:4px}
.rep-tools button{width:32px;height:30px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer}
.rep-tools button:disabled{opacity:.35;cursor:not-allowed}.rep-tools .danger,.row-actions .danger{color:var(--danger)}
.rep>[data-rep-add]{align-self:flex-start;cursor:pointer}.rep>[data-rep-add]:disabled{opacity:.5;cursor:not-allowed}
.blk-advanced{border-top:1px solid #eaecf0;padding-top:10px}.blk-advanced summary{cursor:pointer;font-weight:600;color:#475467;margin-bottom:10px}
.blk-form-actions{display:flex;align-items:center;gap:14px}
@media(max-width:900px){.rep-fields{grid-template-columns:1fr}.blk-admin-type{min-width:0}.blk-admin-item .row-actions{margin-left:0;width:100%}}
/* Quản lý tài khoản: ô "Hỗ trợ viên" (users.dm_contact) */
@media(min-width:901px){.user-row{grid-template-columns:150px 1fr 100px 1.2fr 110px 1.2fr 70px 80px 70px}}
.user-dm{display:flex;align-items:center;gap:6px;font-size:13px;white-space:nowrap}.user-row .user-dm input{width:auto}
.user-locked{display:block;font-size:12px;font-weight:600;color:#b42318}.user-row.is-locked>input,.user-row.is-locked>select,.user-row.is-locked .user-dm{opacity:.6}
.content-search{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:6px}.content-search input{flex:1;min-width:0;border:1px solid var(--border);border-radius:8px;padding:9px}.content-search button{padding:9px 14px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer}.content-count{font-size:14px;font-weight:400;color:var(--text-muted)}.content-pager{display:flex;justify-content:center;align-items:center;gap:16px;padding-top:14px;flex-wrap:wrap}
.form-grid label.check{flex-direction:row;align-items:center;gap:8px;min-height:44px;cursor:pointer}
.form-grid label.check input[type=checkbox]{flex:none;align-self:center;width:18px;height:18px;margin:0;accent-color:var(--primary)}
@media(min-width:901px){.user-row strong{font-size:15px;margin-top:0;overflow-wrap:anywhere}}
/* Trường/dòng bị lỗi khi lưu (admin) */
.form-grid [aria-invalid=true],.user-row.has-error input:invalid{border-color:var(--danger);box-shadow:0 0 0 3px #f5e6e4}.user-row.has-error{background:#fdf6f5;border-radius:10px;padding-left:8px;padding-right:8px}.form-grid label small{font-size:12px}
/* Chụp màn hình gửi vào khung chat (assets/js/capture.js) */
.cap-dialog{margin:auto;width:min(1100px,calc(100vw - 24px));max-height:calc(100vh - 24px);padding:0;border:0;border-radius:14px;background:var(--bg-panel);color:var(--text-main);box-shadow:0 24px 64px rgba(0,0,0,.3);overflow:auto}
.cap-dialog[open]{display:flex;flex-direction:column}.cap-dialog::backdrop{background:rgba(15,23,20,.6)}
.cap-head{display:flex;align-items:flex-start;gap:12px;padding:16px 18px 10px}.cap-head>div{flex:1}.cap-head h2{font-size:17px;font-weight:600}.cap-head p{margin-top:3px;font-size:13px;color:var(--text-muted)}
.cap-x{width:34px;height:34px;border:0;border-radius:8px;background:none;color:var(--text-muted);font-size:24px;line-height:1;cursor:pointer}.cap-x:hover{background:var(--primary-tint);color:var(--primary)}
.cap-stage{display:flex;justify-content:center;padding:0 18px;min-height:0}
.cap-frame{position:relative;display:inline-block;line-height:0;cursor:crosshair;touch-action:none;user-select:none;border:1px solid var(--border);border-radius:6px;overflow:hidden;background:repeating-conic-gradient(#e9ece6 0 25%,#f6f7f4 0 50%) 0 0/16px 16px}
.cap-canvas{display:block;max-width:100%;max-height:min(64vh,720px)}
.cap-sel{position:absolute;outline:2px solid #fff;box-shadow:0 0 0 1px var(--primary),0 0 0 9999px rgba(0,0,0,.45);pointer-events:none}
.cap-size{position:absolute;left:0;top:-24px;padding:2px 6px;border-radius:4px;background:var(--primary);color:#fff;font-size:11px;line-height:16px;white-space:nowrap}
.cap-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 18px 6px}.cap-gap{flex:1}
.cap-btn{border:1px solid var(--border);background:var(--bg-panel);color:var(--text-main);border-radius:10px;padding:9px 14px;font-weight:600;font-size:14px;cursor:pointer}.cap-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}
.cap-btn.cap-primary{background:var(--primary);border-color:var(--primary);color:#fff}.cap-btn.cap-primary:hover:not(:disabled){background:var(--primary-hover);color:#fff}
.cap-btn:disabled{opacity:.5;cursor:not-allowed}
.cap-status{min-height:20px;padding:0 18px 14px;font-size:13px;color:var(--text-muted)}.cap-status.is-error{color:var(--danger)}
@media(max-width:600px){.cap-gap{display:none}.cap-actions .cap-btn{flex:1 1 auto}}