:root {
  --ink:#0f0f1a;--ink2:#3a3a5c;--muted:#8888aa;--line:#e8e8f0;
  --bg:#f7f7fb;--white:#ffffff;--accent:#2a52be;--accent2:#e84545;
  --green:#22a06b;--radius:10px;--shadow:0 2px 16px rgba(15,15,26,.08);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;min-height:100vh}
nav{background:var(--white);border-bottom:1px solid var(--line);padding:0 32px;display:flex;align-items:center;min-height:60px;gap:32px}
.nav-brand{font-family:'DM Serif Display',serif;font-size:1.3rem;color:var(--ink);text-decoration:none;letter-spacing:-.3px}
.nav-brand span{color:var(--accent)}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{color:var(--ink2);text-decoration:none;font-size:.875rem;font-weight:500;padding:6px 14px;border-radius:6px;transition:background .15s}
.nav-links a:hover{background:var(--bg)}
.container{max-width:900px;margin:0 auto;padding:40px 24px}
.container-wide{max-width:1200px;margin:0 auto;padding:40px 24px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.card-sm{padding:20px 24px}
h1{font-family:'DM Serif Display',serif;font-size:2rem;font-weight:400;line-height:1.2}
h2{font-family:'DM Serif Display',serif;font-size:1.5rem;font-weight:400}
h3{font-size:1rem;font-weight:600}
.subtitle{color:var(--muted);font-size:.925rem;margin-top:6px}
.form-group{margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink2);margin-bottom:6px}
input,select,textarea{width:100%;padding:10px 14px;border:1.5px solid var(--line);border-radius:7px;font-family:inherit;font-size:.925rem;color:var(--ink);background:var(--white);transition:border-color .15s;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
textarea{resize:vertical;min-height:110px}
/* Autocomplete */
.search-wrap{position:relative}
.search-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--muted);font-size:1.1rem;line-height:1;display:none;padding:0}
.autocomplete-list{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--white);border:1.5px solid var(--accent);border-radius:7px;z-index:100;max-height:220px;overflow-y:auto;box-shadow:0 8px 24px rgba(15,15,26,.12)}
.autocomplete-item{padding:10px 14px;cursor:pointer;font-size:.9rem;border-bottom:1px solid var(--line)}
.autocomplete-item:last-child{border-bottom:none}
.autocomplete-item:hover,.autocomplete-item.active{background:#eef2ff}
.autocomplete-item mark{background:none;color:var(--accent);font-weight:600}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border:none;border-radius:7px;font-family:inherit;font-size:.925rem;font-weight:600;cursor:pointer;text-decoration:none;transition:opacity .15s,transform .1s}
.btn:hover{opacity:.88;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--accent);color:#fff}
.btn-danger{background:var(--accent2);color:#fff}
.btn-success{background:var(--green);color:#fff}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--ink2)}
.btn-sm{padding:6px 14px;font-size:.8rem}
.btn-full{width:100%;justify-content:center;padding:12px;font-size:1rem}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
/* Badges */
.badge{display:inline-block;padding:3px 10px;border-radius:100px;font-size:.75rem;font-weight:600;white-space:nowrap}
.badge-open{background:#dbeafe;color:#1e40af}
.badge-in_progress{background:#fef3c7;color:#92400e}
.badge-resolved{background:#d1fae5;color:#065f46}
.badge-closed{background:#f3f4f6;color:#6b7280}
.badge-rejected{background:#fee2e2;color:#b91c1c}
/* Alerts */
.alert{padding:12px 16px;border-radius:7px;font-size:.9rem;margin-bottom:16px}
.alert-error{background:#fee2e2;color:#b91c1c}
.alert-success{background:#d1fae5;color:#065f46}
.alert-info{background:#dbeafe;color:#1e40af}
/* Table */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.875rem}
th{text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:10px 14px;border-bottom:1.5px solid var(--line)}
td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--bg)}
a.row-link{color:var(--accent);font-weight:600;text-decoration:none}
a.row-link:hover{text-decoration:underline}
hr{border:none;border-top:1px solid var(--line);margin:24px 0}
.text-truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* Upload */
.upload-zone{border:2px dashed var(--line);border-radius:7px;padding:24px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;color:var(--muted);font-size:.875rem}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:#f0f4ff}
.upload-zone input[type=file]{display:none}
.file-list{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.file-chip{background:var(--bg);border:1px solid var(--line);border-radius:100px;padding:4px 12px;font-size:.8rem;display:flex;align-items:center;gap:6px}
.file-chip button{border:none;background:none;cursor:pointer;color:var(--muted);font-size:1rem;line-height:1}
/* Timeline */
.timeline{position:relative;padding-left:24px}
.timeline::before{content:'';position:absolute;left:7px;top:0;bottom:0;width:2px;background:var(--line)}
.timeline-item{position:relative;margin-bottom:20px}
.timeline-item::before{content:'';position:absolute;left:-21px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid var(--white)}
.timeline-meta{font-size:.78rem;color:var(--muted);margin-bottom:4px}
.timeline-body{background:var(--bg);border-radius:7px;padding:12px 16px;font-size:.875rem}
/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.stat-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px}
.stat-number{font-family:'DM Serif Display',serif;font-size:2rem;line-height:1}
.stat-label{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:4px}
/* Modal */
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1000;align-items:center;justify-content:center}
.modal.open{display:flex}
/* Hamburger — hidden on desktop, shown inside the media query below */
.nav-hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px;color:var(--ink);flex-direction:column;gap:5px;margin-left:auto}
.nav-hamburger span{display:block;width:22px;height:2px;background:currentColor;border-radius:2px;transition:transform .2s,opacity .2s}
@media(max-width:640px){
  .form-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  h1{font-size:1.6rem}
  nav{padding:0 16px;gap:16px}
  .nav-brand-text{display:none}
  .container,.container-wide{padding:24px 16px}
  /* Hamburger */
  .nav-hamburger{display:flex}
  .nav-links{
    display:none;flex-direction:column;gap:0;margin-left:0;
    position:absolute;top:60px;left:0;right:0;
    background:var(--white);border-bottom:1px solid var(--line);
    box-shadow:0 8px 24px rgba(15,15,26,.1);z-index:200;padding:8px 0;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 20px;border-radius:0;font-size:1rem;border-bottom:1px solid var(--line)}
  .nav-links a:last-of-type{border-bottom:none}
  .nav-links > div{padding:12px 20px;border-top:1px solid var(--line)}
}
nav{position:relative}