/* ===== Ticket conversation: message cards, composer, attachments, lightbox (v74) ===== */

/* ---------- Message cards ---------- */
.msg-list{display:flex;flex-direction:column;gap:12px;max-height:65vh;overflow-y:auto;padding:2px 4px 6px 2px;margin-bottom:16px}
.msg-card{display:flex;gap:12px;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-inline-start:4px solid var(--border);border-radius:14px;box-shadow:var(--shadow-sm);animation:mcIn .18s ease}
.msg-card.is-staff{border-inline-start-color:var(--acc)}
.msg-card.is-requester{border-inline-start-color:var(--c-success)}
.msg-card.is-note{background:var(--c-warning-bg);border-color:#FDE68A;border-inline-start-color:var(--c-warning)}
.msg-card.is-ai{background:var(--c-info-bg);border-color:#A5F3FC;border-inline-start-color:#06B6D4}
html[data-theme="dark"] .msg-card.is-note{background:#2B2410;border-color:#5A4A1A;border-inline-start-color:#F59E0B}
html[data-theme="dark"] .msg-card.is-ai{background:#0F2A30;border-color:#155E75;border-inline-start-color:#06B6D4}
.mc-avatar{width:38px;height:38px;flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px;letter-spacing:.3px}
.mc-main{flex:1;min-width:0}
.mc-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.mc-name{font-weight:700;font-size:13.5px}
.mc-badge{font-size:10.5px;font-weight:700;padding:2px 9px;border-radius:999px;letter-spacing:.2px;white-space:nowrap}
.mc-badge.role-admin{background:rgba(67,56,202,.12);color:var(--role-admin)}
.mc-badge.role-agent{background:rgba(var(--acc-rgb),.12);color:var(--role-agent)}
.mc-badge.role-employee{background:var(--c-success-bg);color:var(--role-employee)}
.mc-badge.role-ai{background:var(--c-info-bg);color:var(--role-ai)}
.mc-badge.role-note{background:var(--c-warning-bg);color:var(--role-note)}
html[data-theme="dark"] .mc-badge.role-admin{background:#1E2A4A;color:#A5B4FC}
html[data-theme="dark"] .mc-badge.role-agent{color:#C7D2FE}
html[data-theme="dark"] .mc-badge.role-employee{background:#12291A;color:#6EE7B7}
html[data-theme="dark"] .mc-badge.role-ai{background:#0F2A30;color:#67E8F9}
html[data-theme="dark"] .mc-badge.role-note{background:#33290F;color:#FCD34D}
.mc-chan{font-size:11px;color:var(--muted);display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border:1px solid var(--border);border-radius:999px}
.mc-orig{margin-top:8px;font-size:12.5px}
.mc-orig summary{cursor:pointer;color:var(--muted);font-weight:600}
.mc-orig pre{white-space:pre-wrap;word-break:break-word;margin-top:6px;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:10px;color:var(--muted);font-family:inherit;max-height:240px;overflow:auto}
.held-box{margin-bottom:14px;padding:14px 16px;border-radius:14px;background:#FFF7ED;border:1px solid #FDBA74}
html[data-theme="dark"] .held-box{background:#2B1D0E;border-color:#7C4A12}
.held-item{padding:10px 12px;margin-top:8px;border-radius:10px;background:var(--surface);border:1px solid var(--border)}
.held-item pre{white-space:pre-wrap;word-break:break-word;margin:6px 0 10px;font-family:inherit;font-size:13px;max-height:140px;overflow:auto}
.mc-time{margin-inline-start:auto;font-size:11.5px;color:var(--muted);white-space:nowrap}
.mc-body{white-space:pre-wrap;word-break:break-word;font-size:14px;line-height:1.75;margin-top:8px}
.mc-img{display:block;max-width:min(420px,100%);max-height:320px;border-radius:10px;border:1px solid var(--border);margin:8px 0;cursor:zoom-in;background:var(--bg)}
.mc-atts{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.mc-thumbs{display:flex;gap:8px;flex-wrap:wrap}
.mc-thumb{width:120px;height:90px;object-fit:cover;border-radius:10px;border:1px solid var(--border);cursor:zoom-in;background:var(--bg)}
@keyframes mcIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- File cards (shared by messages, attachments box, composer chips) ---------- */
.fcard{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:10px;font-size:13px;max-width:520px}
.fcard-ico{width:34px;height:34px;flex:none;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:15px}
.fcard-main{flex:1;min-width:0}
.fcard-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fcard-sub{font-size:11.5px;color:var(--muted)}
.fcard-act{display:flex;gap:6px;flex:none}
.fcard-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px;transition:all .15s}
.fcard-btn:hover{color:var(--acc);border-color:var(--acc)}
.fcard-btn.danger:hover{color:#DC2626;border-color:#DC2626}

/* ---------- Attachments box ---------- */
.att-box{margin-bottom:16px;padding:14px 16px;border:1px solid var(--border);border-radius:14px;background:var(--surface)}
.att-box-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.att-box-title{font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--muted)}
.att-box-grid{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.att-box-files{display:flex;flex-direction:column;gap:6px}

/* ---------- Rich composer ---------- */
.rich-box{min-height:130px;max-height:360px;overflow-y:auto;margin-bottom:10px;font-size:14px;line-height:1.7;padding:14px 16px;white-space:pre-wrap;word-break:break-word;cursor:text;border-radius:12px}
.rich-box:empty:before{content:attr(data-placeholder);color:var(--muted-2);pointer-events:none}
.rich-box.drag{border-color:var(--acc);box-shadow:0 0 0 3px rgba(var(--acc-rgb),.18);background:rgba(var(--acc-rgb),.05)}
.rb-imgwrap{display:block;position:relative;width:fit-content;max-width:100%;margin:8px 0;user-select:none}
.rb-imgwrap img{display:block;max-width:min(380px,100%);max-height:260px;border-radius:10px;border:1px solid var(--border);cursor:zoom-in;background:var(--bg)}
.rb-x{position:absolute;top:6px;inset-inline-end:6px;width:24px;height:24px;border-radius:50%;border:none;background:rgba(15,23,42,.75);color:#fff;font-size:11px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.rb-x:hover{background:#DC2626}
.composer-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.composer-chips:empty{display:none}
.composer-chips .fcard{padding:6px 8px 6px 10px;max-width:300px}
.composer-chips .fcard.uploading{opacity:.7}

/* ---------- Lightbox ---------- */
.att-lb{position:fixed;inset:0;z-index:3000;background:rgba(8,12,24,.9);backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:56px 24px 24px;animation:lbIn .15s ease}
.att-lb-stage{display:flex;align-items:center;justify-content:center;width:100%;flex:1;min-height:0}
.att-lb-stage img{max-width:min(96vw,1400px);max-height:100%;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5);background:#fff;object-fit:contain}
.att-lb-stage iframe{width:min(1000px,96vw);height:100%;border:0;border-radius:10px;background:#fff}
.att-lb-bar{position:absolute;top:0;inset-inline:0;display:flex;align-items:center;gap:10px;padding:12px 16px;color:#fff}
.att-lb-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600}
.att-lb-count{font-size:12.5px;opacity:.8}
.att-lb-btn{width:40px;height:40px;border-radius:50%;border:none;background:rgba(255,255,255,.14);color:#fff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex:none}
.att-lb-btn:hover,.att-lb-btn:focus-visible{background:rgba(255,255,255,.3);outline:none}
.att-lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px}
.att-lb-prev{inset-inline-start:16px}
.att-lb-next{inset-inline-end:16px}
html[dir="rtl"] .att-lb-nav i{transform:scaleX(-1)}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
@media (max-width:640px){
  .msg-card{padding:12px;gap:10px}
  .mc-avatar{width:32px;height:32px;font-size:11.5px}
  .mc-time{margin-inline-start:0;width:100%}
  .att-lb{padding:56px 8px 12px}
}

/* ---------- Ticket page layout: main column + sidebar, tabs (v74) ---------- */
.tk-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}
.tk-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:12px}
.tk-card{padding:16px 18px}
.tk-card-title{display:flex;align-items:center;gap:8px;font-weight:800;font-size:14px;margin-bottom:12px}
.tk-card-title i{color:var(--acc)}
.tk-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-bottom:1px dashed var(--border);font-size:13px}
.tk-row:last-child{border-bottom:none}
.tk-row-l{color:var(--muted);display:flex;align-items:center;gap:8px;white-space:nowrap}
.tk-row-l i{width:14px;text-align:center;color:var(--muted-2)}
.tk-row-v{font-weight:600;text-align:end;min-width:0}
.tk-qa-list{display:flex;flex-direction:column;gap:8px}
.tk-qa{display:flex;align-items:center;gap:10px;width:100%;padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-size:13px;font-weight:600;cursor:pointer;text-align:start;transition:all .15s}
.tk-qa:hover{border-color:var(--acc);color:var(--acc)}
.tk-qa i{width:16px;text-align:center;color:var(--muted)}
.tk-qa:hover i{color:var(--acc)}
.tk-qa.good{background:var(--c-success-bg);border-color:#A7F3D0;color:var(--c-success-fg)}
.tk-qa.good i{color:#047857}
html[data-theme="dark"] .tk-qa.good{background:#12291A;border-color:#1F5A3A;color:#6EE7B7}
.tk-tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin:6px 0 16px;overflow-x:auto}
.tk-tab{padding:10px 16px;border:none;background:none;color:var(--muted);font:inherit;font-size:13.5px;font-weight:700;cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-1px;white-space:nowrap;display:flex;align-items:center;gap:7px}
.tk-tab:hover{color:var(--text)}
.tk-tab.on{color:var(--acc);border-bottom-color:var(--acc)}
@media (max-width:1000px){.tk-layout{grid-template-columns:minmax(0,1fr)}.tk-side{position:static;order:-1}}
.tk-cnt{white-space:nowrap}