:root{
  --bg:#f4f7fb;
  --panel:#ffffff;
  --panel-2:#f8fafc;
  --line:#d8e1ee;
  --text:#1f2a37;
  --muted:#6b7a90;
  --accent:#2f6fed;
  --accent-2:#4f86ff;
  --danger:#d84d57;
  --success:#22a06b;
  --shadow:0 18px 45px rgba(31,42,55,.08);
  --radius:18px;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Segoe UI,system-ui,-apple-system,Arial,sans-serif;background:linear-gradient(180deg,#f8fbff,#eef4fb 35%,#e9f0f8);color:var(--text)}
[v-cloak]{display:none}
a{color:var(--accent);text-decoration:none}
input,select,textarea,button{font:inherit}
button{cursor:pointer}
.prewrap{white-space:pre-wrap}
.small{font-size:12px}
.center{text-align:center}
.mt-8{margin-top:8px}.mb-16{margin-bottom:16px}
.muted{color:var(--muted)}
.card,.card-lite,.modal{background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card{padding:20px}.card-lite{padding:16px;border-radius:14px}.modal{padding:22px;max-height:90vh;overflow:auto}
.btn{border:1px solid var(--line);background:#f7faff;color:var(--text);padding:10px 14px;border-radius:12px;transition:.18s ease}
.btn:hover{transform:translateY(-1px);border-color:#b8c8de;background:#eef4ff}
.btn-primary{background:linear-gradient(135deg,var(--accent),#5a8bff);border-color:transparent;color:#fff}
.btn-danger{background:linear-gradient(135deg,#bf3b46,var(--danger));border-color:transparent;color:#fff}
.btn-ghost{background:transparent}.btn-small{padding:7px 10px;font-size:13px}.btn-block{width:100%}
.alert{padding:12px 14px;border-radius:14px;border:1px solid var(--line);margin-bottom:16px}.alert-success{background:rgba(34,160,107,.12);border-color:rgba(34,160,107,.24)}.alert-danger{background:rgba(216,77,87,.12);border-color:rgba(216,77,87,.24)}
.login-shell,.centered-page{min-height:100vh;display:grid;place-items:center;padding:20px}
.login-card{width:min(420px,92vw);padding:28px}.login-card h1{margin:0 0 6px;font-size:30px}.hint{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted)}
.brand-mark{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#6c8dff);font-weight:800;letter-spacing:.06em;box-shadow:0 16px 36px rgba(47,111,237,.18);color:#fff}
label{display:block;margin-bottom:6px;color:var(--muted);font-size:13px;font-weight:600} input,select,textarea{width:100%;background:#fff;color:var(--text);border:1px solid var(--line);border-radius:12px;padding:11px 12px;outline:none} input:focus,select:focus,textarea:focus{border-color:#8bb0ff;box-shadow:0 0 0 3px rgba(47,111,237,.12)} textarea{resize:vertical}
.app-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.sidebar{padding:22px;border-right:1px solid var(--line);background:rgba(255,255,255,.8);backdrop-filter:blur(12px);display:flex;flex-direction:column;gap:22px}
.sidebar-brand{display:flex;gap:14px;align-items:center}.brand-title{font-weight:800}.brand-subtitle{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.menu{display:flex;flex-direction:column;gap:8px}.menu-item{text-align:left;padding:12px 14px;border-radius:14px;border:1px solid transparent;background:transparent;color:var(--text)}.menu-item.active,.menu-item:hover{background:#edf4ff;border-color:#cfdcf0}
.sidebar-user{margin-top:auto;padding:16px;border:1px solid var(--line);background:#fff;border-radius:16px}.sidebar-user-name{font-weight:700}
.main-panel{padding:24px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}.topbar h1{margin:0 0 6px}.topbar-actions{display:flex;gap:10px;flex-wrap:wrap}
.stats-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin-bottom:18px}.stat-card{padding:16px}.stat-label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.stat-value{font-size:28px;font-weight:800;margin-top:8px}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.split{display:flex;justify-content:space-between;gap:12px;align-items:center}.align-start{align-items:flex-start}
.toolbar{display:flex;gap:10px;flex-wrap:wrap}.toolbar input,.toolbar select{min-width:180px}
.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px 10px;border-bottom:1px solid #e8eef6;vertical-align:top}.table th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:left}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eef4ff;border:1px solid #d4e1f7;font-size:12px}.badge-priority{background:#fff4e9;border-color:#f0d9b8}
.project-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:16px}.project-card{padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff}.project-card h4{margin:0 0 8px}.members-block{margin-top:16px;padding-top:14px;border-top:1px solid #edf1f6}.members-head{margin-bottom:10px}.inline-form{display:flex;gap:8px}.inline-form select{min-width:200px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;gap:8px;align-items:center;padding:8px 10px;border-radius:999px;background:#f3f7fd;border:1px solid var(--line)}.chip button{border:none;background:transparent;color:var(--text);font-size:18px;line-height:1}
.overlay{position:fixed;inset:0;background:rgba(27,39,56,.22);backdrop-filter:blur(6px);display:grid;place-items:center;padding:18px;z-index:40}.modal-medium{width:min(760px,92vw)}.modal-large{width:min(1100px,96vw)}.modal-xlarge{width:min(1400px,98vw)}.icon-btn{border:none;background:transparent;color:var(--text);font-size:26px}
.form-grid{display:grid;grid-template-columns:140px 1fr;gap:10px 14px;align-items:start}.compact-grid{grid-template-columns:100px 1fr}.issue-modal-grid,.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.checkbox-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;padding:10px;border:1px solid var(--line);border-radius:12px;background:#fbfdff}.checkbox-list.compact{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}.checkbox-list label{margin:0;color:var(--text);font-weight:500}
.paste-zone{padding:14px;border:1px dashed #9bb5dd;border-radius:14px;background:#f8fbff;display:grid;gap:8px;color:var(--muted)}.paste-zone input{background:transparent;padding:0;border:none}
.preview-list{display:flex;flex-wrap:wrap;gap:10px}.preview-card{width:130px;padding:8px;border:1px solid var(--line);border-radius:12px;background:#fbfdff}.preview-card img{width:100%;height:86px;object-fit:cover;border-radius:8px;margin-bottom:6px}
.detail-meta-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.detail-meta-grid span{display:block;font-size:12px}.attachment-list{display:flex;flex-direction:column;gap:8px}.attachment-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.attachment-card{border:1px solid var(--line);border-radius:14px;background:#fbfdff;overflow:hidden;display:flex;flex-direction:column}.attachment-preview-btn{border:none;padding:0;background:#eef4ff}.attachment-image{display:block;width:100%;height:210px;object-fit:cover}.attachment-pdf-wrap{background:#fff;border-bottom:1px solid var(--line)}.attachment-pdf-frame{display:block;width:100%;height:210px;border:none;background:#fff}.attachment-file-fallback{height:210px;display:grid;place-items:center;gap:10px;background:linear-gradient(180deg,#f8fbff,#eef4ff)}.attachment-file-icon{padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:12px;font-weight:700;letter-spacing:.08em}.attachment-meta{padding:12px}.attachment-name{font-weight:700;word-break:break-word;margin-bottom:6px}.attachment-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.attachment-lightbox{position:fixed;inset:0;background:rgba(20,28,40,.82);display:grid;place-items:center;padding:28px;z-index:90}.attachment-lightbox-image{max-width:min(96vw,1400px);max-height:82vh;border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.35)}.attachment-lightbox-caption{margin-top:12px;color:#fff;text-align:center;font-weight:600}.attachment-lightbox-close{position:absolute;top:18px;right:18px;border:none;width:46px;height:46px;border-radius:999px;background:rgba(255,255,255,.16);color:#fff;font-size:28px;line-height:1}.history-list{display:flex;flex-direction:column;gap:10px}.history-item{padding-bottom:10px;border-bottom:1px solid #edf1f6}.thread-list{display:flex;flex-direction:column;gap:10px}.comment-card{padding:12px;border:1px solid #e7edf5;border-radius:12px;background:#fbfdff}
.error-card{text-align:center;padding:28px;max-width:380px}.error-code{font-size:58px;font-weight:900}.error-message{color:var(--muted);margin:10px 0 20px}
@media (max-width: 1180px){.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.detail-grid,.issue-modal-grid{grid-template-columns:1fr}}
@media (max-width: 900px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid rgba(255,255,255,.06)}.topbar{flex-direction:column}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid{grid-template-columns:1fr}.project-list{grid-template-columns:1fr}}