:root{color-scheme:light;--ink:#12333d;--ink-soft:#4e6970;--paper:#f4f7f6;--white:#fff;--teal:#087f79;--teal-light:#e1f2ef;--line:#d7e1df;--amber:#f2ae4f;--danger:#ad3d3d;--shadow:0 15px 45px rgba(18,51,61,.08);font-family:"Segoe UI",Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
a{color:var(--teal)}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.app-loading{padding:40px}
.shell{min-height:100vh;display:grid;grid-template-columns:270px minmax(0,1fr)}
.rail{background:var(--ink);color:#eaf3f1;padding:28px 20px;display:flex;flex-direction:column;gap:30px}
.brand{display:flex;align-items:center;gap:11px;padding:0 10px;text-decoration:none;color:#fff;font-family:"Trebuchet MS","Segoe UI",sans-serif;font-size:23px;font-weight:700;letter-spacing:-.04em}
.brand-mark{width:34px;height:34px;border:2px solid var(--amber);border-radius:10px;display:grid;place-items:center;color:var(--amber);font-size:22px;line-height:1}
.rail-label{font:600 11px Consolas,monospace;letter-spacing:.14em;text-transform:uppercase;color:#91b2b6;margin:0 10px 10px}
.project-list{display:grid;gap:5px}
.project-link{display:flex;align-items:center;gap:11px;width:100%;border:0;background:transparent;color:#cce0df;padding:10px 11px;border-radius:11px;text-align:left;text-decoration:none}
.project-link:hover,.project-link.active{background:#24505a;color:#fff}
.project-avatar{width:30px;height:30px;flex:none;border-radius:9px;background:#3d6870;color:#d8f4ef;display:grid;place-items:center;font:700 12px Consolas,monospace}
.project-link.active .project-avatar{background:var(--amber);color:var(--ink)}
.rail-bottom{margin-top:auto;padding:12px 10px;border-top:1px solid #31515a;color:#bdd4d3;font-size:13px;display:grid;gap:10px}
.rail-bottom button{background:none;border:0;color:#fff;text-align:left;padding:0}
.main{padding:33px clamp(22px,4vw,68px) 70px;max-width:1600px;width:100%;margin:auto}
.topline{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:30px}
.eyebrow{font:700 11px Consolas,monospace;letter-spacing:.13em;color:var(--teal);text-transform:uppercase;margin:0 0 8px}
h1,h2,h3,p{margin-top:0}
h1{font-family:"Trebuchet MS","Segoe UI",sans-serif;font-size:clamp(32px,3vw,47px);line-height:1.08;letter-spacing:-.055em;margin-bottom:8px}
.lead{color:var(--ink-soft);max-width:680px;line-height:1.55;margin-bottom:0}
h2{font-size:20px;letter-spacing:-.025em}
.top-actions,.row-actions{display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.button{background:var(--teal);border:1px solid var(--teal);color:#fff;border-radius:9px;padding:11px 16px;font-weight:700;white-space:nowrap}
.button:hover{background:#086b66}
.button.secondary{background:#fff;color:var(--ink);border-color:var(--line)}
.button.secondary:hover{background:#eef5f3}
.button.ghost{background:transparent;color:var(--ink);border-color:transparent}
.button.small{padding:7px 10px;font-size:13px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:23px;align-items:start}
.content-stack{display:grid;gap:23px;min-width:0}
.ai-badge{font:700 11px Consolas,monospace;letter-spacing:.08em;color:#075e58;background:var(--teal-light);padding:6px 9px;border-radius:20px}
.chat-log{padding:20px 24px;display:grid;gap:11px;max-height:420px;overflow-y:auto}
.chat-bubble{max-width:85%;padding:12px 15px;border:1px solid var(--line);border-radius:13px;background:#f8fbfa}
.chat-bubble[data-author="client"]{justify-self:end;background:#e8f5f1;border-color:#c5e5dc}
.chat-bubble[data-author="assistant"]{justify-self:start}
.chat-bubble small{font-weight:700;color:var(--ink-soft)}
.chat-bubble p{margin:5px 0 0;white-space:pre-wrap;line-height:1.5;font-size:14px}
.chat-form{display:flex;gap:9px;padding:17px 24px;border-top:1px solid var(--line)}
.chat-form input{min-width:0;flex:1;border:1px solid #bdd0ce;border-radius:9px;padding:11px 12px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.panel{background:var(--white);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}
.panel-head{padding:23px 25px 19px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:15px}
.panel-head h2{margin:0}
.panel-body{padding:24px 25px}
.ticket-list{display:grid}
.ticket{display:grid;grid-template-columns:6px minmax(0,1fr);gap:0;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--line);padding:0;width:100%;color:inherit}
.ticket:last-child{border-bottom:0}
.ticket:hover{background:#f7faf9}
.ticket-stripe{background:#c2d4d3;margin:15px 0 15px 15px;border-radius:20px}
.ticket[data-status="publicado"] .ticket-stripe{background:var(--teal)}
.ticket[data-status="esperando-respuesta"] .ticket-stripe{background:var(--amber)}
.ticket-content{padding:16px 22px 17px 26px;min-width:0}
.ticket-top{display:flex;justify-content:space-between;gap:12px;align-items:center}
.ticket-title{font-weight:750;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ticket-meta{font-size:12px;color:var(--ink-soft);margin-top:6px;display:flex;gap:10px;flex-wrap:wrap}
.status{font-size:11px;font-weight:700;color:#31565d;background:#e9f0ef;border-radius:20px;padding:5px 9px;white-space:nowrap}
.status[data-status="publicado"]{background:var(--teal-light);color:#00665f}
.status[data-status="esperando-respuesta"]{background:#fff0d6;color:#85520f}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:18px}
.stat{padding:17px;background:#fff;border:1px solid var(--line);border-radius:12px}
.stat strong{display:block;font:700 31px "Trebuchet MS",sans-serif;letter-spacing:-.05em}
.stat span{font-size:12px;color:var(--ink-soft)}
.hint{font-size:13px;line-height:1.5;color:var(--ink-soft)}
.empty{padding:42px 25px;color:var(--ink-soft);text-align:center;line-height:1.55}
.empty strong{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}
.form{display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-weight:700;font-size:13px}
.field input,.field textarea,.field select,.toolbar select,.toolbar input{width:100%;background:#fff;border:1px solid #bdd0ce;border-radius:9px;padding:11px 12px;color:var(--ink)}
.field textarea{min-height:118px;resize:vertical}
.field small{color:var(--ink-soft)}
.form-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.notice{border-radius:9px;padding:12px 14px;background:var(--teal-light);color:#075e58;font-size:13px;line-height:1.45}
.notice.error{background:#fff0ee;color:var(--danger)}
.modal-backdrop{position:fixed;inset:0;background:rgba(10,39,45,.57);display:grid;place-items:center;padding:20px;z-index:10}
.modal{background:#fff;width:min(100%,580px);max-height:min(90vh,800px);overflow:auto;border-radius:16px;box-shadow:0 35px 100px rgba(0,0,0,.2);padding:25px}
.modal-head{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-bottom:18px}
.modal-head h2{font-size:25px;margin:0}
.close{background:transparent;border:0;font-size:26px;color:var(--ink-soft);padding:0 3px;line-height:1}
.detail{display:grid;gap:18px}
.job-box{padding:15px 17px;border:1px solid var(--line);background:#f7faf9;border-radius:11px}
.job-box .hint{margin:6px 0 10px}
.job-result{white-space:pre-wrap;font-size:13px;line-height:1.5;max-height:220px;overflow:auto}
.detail-head{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
.detail h2{margin:0;font-size:27px}
.messages{display:grid;gap:10px}
.message{padding:15px 17px;border:1px solid var(--line);border-radius:11px;background:#fff}
.message[data-author="admin"]{background:#eaf6f3;border-color:#c8e3dc}
.message-meta{font:600 11px Consolas,monospace;text-transform:uppercase;color:var(--ink-soft);letter-spacing:.07em;margin-bottom:7px}
.message p{margin:0;white-space:pre-wrap;line-height:1.5}
.attachments{display:flex;gap:10px;flex-wrap:wrap}
.attachments a{display:block}
.attachments img{width:120px;height:90px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar select,.toolbar input{width:auto;min-width:160px}
.summary-list{display:grid;gap:8px}
.summary-row{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:9px 0;font-size:13px}
.summary-row:last-child{border:0}
.link-box{padding:12px;border:1px dashed #9bb8b5;border-radius:9px;background:#f2faf8;word-break:break-all;font:12px Consolas,monospace}
.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 15% 14%,#d7eae6 0,transparent 31%),var(--paper)}
.login-card{width:min(100%,430px);background:#fff;border:1px solid var(--line);border-radius:18px;padding:33px;box-shadow:var(--shadow)}
.login-card .brand{color:var(--ink);padding:0;margin-bottom:35px}
.login-card h1{font-size:33px}
.login-card .button{width:100%}
.section-gap{margin-top:22px}
@media(max-width:1050px){.layout{grid-template-columns:1fr}.shell{grid-template-columns:220px minmax(0,1fr)}}
@media(max-width:700px){.shell{display:block}.rail{padding:13px 18px;gap:12px}.brand{font-size:20px}.rail-label,.rail-bottom{display:none}.project-list{display:flex;overflow:auto;gap:6px}.project-link{width:auto;white-space:nowrap;padding:7px}.project-avatar{display:none}.main{padding:25px 16px 50px}.topline{display:block}.top-actions{margin-top:18px}.panel-head,.panel-body{padding:18px}.ticket-content{padding:16px}.ticket-stripe{margin-left:10px}.toolbar select,.toolbar input{width:100%}.chat-form{padding:14px;flex-wrap:wrap}.chat-form .button{width:100%}.chat-log{padding:14px}}
@media(prefers-reduced-motion:no-preference){.ticket,.button,.project-link{transition:background .15s ease,transform .15s ease}.button:hover{transform:translateY(-1px)}}