:root{
  --purple:#A3238E;--purple-deep:#722264;--purple-pale:#F5E8F2;--purple-faint:#ECD4E7;
  --navy:#1a3356;--navy-mid:#243f6a;--gold:#c9a84c;
  --ink:#333132;--muted:#636466;--soft:#8A8C8E;--line:rgba(51,49,50,.1);
  --font:'Montserrat',system-ui,sans-serif;--font-h:'DM Serif Display',Georgia,serif;
  --radius:14px;--radius-lg:18px;--shadow:0 12px 40px rgba(26,51,86,.08);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:#eef2f7;min-height:100vh;color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.hidden{display:none!important}
.loading{position:fixed;inset:0;z-index:9999;background:#eef2f7;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--muted);font-size:14px}
.spinner{width:36px;height:36px;border:3px solid var(--purple-faint);border-top-color:var(--purple);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.layout{position:fixed;inset:0;display:grid;grid-template-columns:260px 1fr;grid-template-rows:minmax(0,1fr);overflow:hidden}
.sidebar{background:var(--navy);color:#fff;padding:20px 18px;display:flex;flex-direction:column;border-right:3px solid var(--gold);min-height:0;overflow:hidden}
.sidebar-logo img{height:34px;width:auto;filter:brightness(0) invert(1);opacity:.95}
.sidebar-label{font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin:12px 0 4px;padding:0 10px}
.sidebar-title{font-size:17px;font-weight:700;margin-bottom:16px;padding:0 10px;line-height:1.3}
.sidebar nav{display:flex;flex-direction:column;gap:2px}
.sidebar nav a{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.82);font-size:13px;font-weight:600;padding:10px 12px;border-radius:10px;transition:background .15s}
.sidebar nav a svg{width:18px;height:18px;opacity:.75;flex-shrink:0}
.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.12);color:#fff}
.sidebar nav a.active svg{opacity:1}
.sidebar nav .nav-divider{height:1px;background:rgba(255,255,255,.12);margin:10px 12px}
.signout{display:flex;align-items:center;gap:10px;background:none;border:0;color:rgba(255,255,255,.82);font:inherit;font-size:13px;font-weight:600;cursor:pointer;padding:10px 12px;border-radius:10px;width:100%;text-align:left}
.signout svg{width:18px;height:18px;opacity:.75;flex-shrink:0}
.signout:hover{background:rgba(255,255,255,.12);color:#fff}
.main{background:#eef2f7;min-width:0;height:100%;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.page-banner{background:linear-gradient(135deg,var(--navy),var(--navy-mid));border-bottom:3px solid var(--gold);padding:28px 36px 32px;color:#fff}
.page-banner .eyebrow{font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.page-banner h1{font-family:var(--font-h);font-size:clamp(26px,3.5vw,34px);font-weight:400;line-height:1.2;margin-bottom:8px}
.page-banner p{font-size:14px;color:rgba(255,255,255,.82);max-width:560px;line-height:1.65}
.page-body{padding:28px 36px 56px;max-width:960px}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.page-head h2{font-size:22px;font-weight:700;color:var(--navy)}
.page-head p{font-size:14px;color:var(--muted);margin-top:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font:inherit;font-size:14px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--purple),var(--purple-deep));border:0;cursor:pointer;box-shadow:0 8px 24px rgba(163,35,142,.22)}
.btn-outline{background:#fff;color:var(--purple);border:1px solid var(--line);box-shadow:none}
.btn-sm{padding:9px 16px;font-size:12px}
.card{background:#fff;border-radius:var(--radius-lg);padding:24px 26px;border:1px solid var(--line);box-shadow:0 4px 20px rgba(26,51,86,.04);margin-bottom:20px}
.alert{border-radius:12px;padding:14px 18px;margin-bottom:20px;font-size:13px;line-height:1.55}
.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
label{display:block;font-size:12px;font-weight:600;margin-bottom:6px;color:var(--ink)}
input,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:14px;margin-bottom:16px}
input:focus,textarea:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 3px rgba(163,35,142,.12)}
.ticket-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;background:#fff}
.ticket-code{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--purple);margin-bottom:4px}
.ticket-subject{font-size:15px;font-weight:700;color:var(--navy)}
.ticket-status{font-size:12px;color:var(--muted);margin-top:4px}
.thread{margin-bottom:12px;padding:14px 16px;border-radius:12px;border:1px solid var(--line);font-size:13px;line-height:1.55;white-space:pre-wrap}
.thread-you{background:#fafbfc}
.thread-support{background:var(--purple-pale);border-color:var(--purple-faint)}
.thread-meta{font-size:11px;color:var(--muted);margin-bottom:8px;font-weight:600}
.filter-pills{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.filter-pill{padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid var(--line);color:var(--muted);background:#fff;cursor:pointer;font-family:inherit}
.filter-pill.active,.filter-pill:hover{border-color:var(--purple-faint);background:var(--purple-pale);color:var(--purple-deep)}
.invoice-table{width:100%;border-collapse:collapse;font-size:14px}
.invoice-table th{text-align:left;padding:10px 12px;border-bottom:2px solid var(--line);color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em}
.invoice-table td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.status-paid{display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700;background:#ecfdf3;color:#166534}
.status-open{display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700;background:#fffbeb;color:#92400e}
.empty-cell{color:var(--muted);padding:28px 12px!important;line-height:1.55}
.back-link{display:inline-block;font-size:13px;color:var(--purple);font-weight:600;margin-bottom:16px}
@media(max-width:960px){.layout{position:static;inset:auto;height:auto;min-height:100vh;overflow:visible;grid-template-columns:1fr}.sidebar{height:auto;overflow:visible;flex-direction:row;flex-wrap:wrap;padding:14px 16px}.sidebar nav{flex-direction:row;flex-wrap:wrap;width:100%}.sidebar nav .nav-divider{display:none}.main{height:auto;overflow:visible}.page-banner,.page-body{padding-left:20px;padding-right:20px}}