:root {
    --ink: #17212b;
    --muted: #657383;
    --line: #dde5ea;
    --bg: #f5f7f9;
    --panel: #ffffff;
    --brand: #126c67;
    --brand-dark: #0d4f4b;
    --accent: #d97706;
    --danger: #b42318;
    --ok: #11845b;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--bg);
}
a { color: inherit; text-decoration: none; }
.shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.sidebar {
    background: #102331;
    color: #f8fafc;
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.brand { display: flex; gap: 12px; align-items: center; min-width: 0; }
.brand div { min-width: 0; }
.brand strong {
    display: block;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    background: var(--brand);
    font-weight: 700;
}
.brand-logo {
    width: 48px;
    height: 48px;
    min-width: 48px;
    max-width: 48px;
    max-height: 48px;
    border-radius: 8px;
    object-fit: contain;
    background: #fff;
    padding: 4px;
}
.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--line);
    background: #eef3f5;
}
.avatar.large {
    width: 92px;
    height: 92px;
}
.logo-preview {
    max-width: 180px;
    max-height: 90px;
    object-fit: contain;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px;
}
.login-logo {
    width: 180px;
    height: 90px;
    object-fit: contain;
    display: block;
    margin-bottom: 16px;
}
.brand small { color: #a9b7c4; display: block; margin-top: 4px; }
nav { display: grid; gap: 6px; }
nav a, .logout {
    padding: 11px 12px;
    border-radius: 8px;
    color: #dce6ef;
}
nav a.active, nav a:hover, .logout:hover { background: rgba(255,255,255,.11); color: #fff; }
.logout { margin-top: auto; }
.content { padding: 28px; min-width: 0; }
.topbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 24px;
}
h1 { font-size: 28px; margin: 0 0 6px; letter-spacing: 0; }
h2 { font-size: 20px; margin: 0 0 14px; letter-spacing: 0; }
p { margin: 0; color: var(--muted); }
.top-actions, .actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.btn, button {
    border: 0;
    border-radius: 8px;
    padding: 10px 14px;
    background: var(--brand);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
}
.btn.secondary, button.secondary { background: #e8eef2; color: var(--ink); }
.btn.warn { background: var(--accent); }
.btn.danger { background: var(--danger); }
.grid { display: grid; gap: 16px; }
.stats { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 20px; }
.stat, .panel, .card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px;
}
.stat strong { display: block; font-size: 28px; margin-bottom: 6px; }
.stat span { color: var(--muted); }
.filters {
    display: grid;
    grid-template-columns: repeat(6, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}
label { display: grid; gap: 6px; font-weight: 700; font-size: 13px; color: #354453; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 11px;
    font: inherit;
    background: #fff;
    color: var(--ink);
}
textarea { min-height: 96px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.full { grid-column: 1 / -1; }
table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #eef3f5; font-size: 13px; }
tr:last-child td { border-bottom: 0; }
.badge { display: inline-flex; border-radius: 999px; padding: 5px 9px; background: #edf7f5; color: var(--brand-dark); font-weight: 700; font-size: 12px; }
.badge.done { background: #e7f6ef; color: var(--ok); }
.badge.cancel { background: #fff0ef; color: var(--danger); }
.notice { padding: 12px 14px; border-radius: 8px; background: #fff7e6; border: 1px solid #f0d49d; margin-bottom: 16px; color: #5f3b00; }
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: linear-gradient(135deg, #102331, #126c67 54%, #d97706); }
.login-box { width: 100%; max-width: 430px; background: #fff; border-radius: 8px; padding: 28px; box-shadow: 0 24px 70px rgba(0,0,0,.25); }
.login-box h1 { font-size: 24px; }
.photo-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.photo-grid img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.ticket { background: #fff; color: #000; padding: 28px; max-width: 860px; margin: 0 auto; }
.ticket-head { display: flex; justify-content: space-between; border-bottom: 2px solid #000; padding-bottom: 12px; margin-bottom: 16px; }
.ticket-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.signature { height: 86px; border: 1px solid #000; margin-top: 30px; padding: 8px; }
@media (max-width: 900px) {
    .shell { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .topbar { align-items: flex-start; flex-direction: column; }
    .stats, .filters, .form-grid, .ticket-grid { grid-template-columns: 1fr; }
    .photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media print {
    .sidebar, .topbar, .no-print { display: none !important; }
    .shell, .content { display: block; padding: 0; background: #fff; }
    body { background: #fff; }
    .ticket { max-width: none; }
}