:root {
    --brand: #1b5e4a;
    --brand-light: #e7f3ee;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e2e5e9;
    --danger: #b3261e;
    --bg: #f7f8fa;
    --radius: 8px;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
a { color: var(--brand); text-decoration: none; }

.brand { font-weight: 700; font-size: 1.3rem; color: var(--brand); }
.brand span { font-weight: 400; color: var(--text); }

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 24px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
#main-nav { display: flex; gap: 18px; flex: 1; }
#main-nav a { color: var(--text); font-weight: 500; padding: 6px 4px; border-bottom: 2px solid transparent; }
#main-nav a.active { color: var(--brand); border-color: var(--brand); }
.topbar-user { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; }

.btn-link { background: none; border: none; color: var(--brand); cursor: pointer; font-size: 0.9rem; }
.btn-primary, .btn-secondary, .btn-danger {
    padding: 9px 16px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 0.92rem;
    font-weight: 600;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: #164a3a; }
.btn-secondary { background: #fff; border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: #f0f1f3; }
.btn-danger { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 5px 10px; font-size: 0.82rem; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-light);
}
.login-card {
    background: #fff;
    padding: 32px;
    border-radius: 12px;
    width: 320px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.login-card label { display: flex; flex-direction: column; font-size: 0.85rem; gap: 4px; color: var(--muted); }
.login-card input { padding: 9px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 1rem; }
.login-card button { margin-top: 8px; }

.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.page-header h1 { font-size: 1.4rem; margin: 0; }

.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }

table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr:hover td { background: #fafbfc; }
.table-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge-pendiente { background: #fef3c7; color: #92400e; }
.badge-en_proceso { background: #dbeafe; color: #1e40af; }
.badge-completada { background: #dcfce7; color: #166534; }
.badge-cancelada { background: #fee2e2; color: #991b1b; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid.single { grid-template-columns: 1fr; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--muted); }
.form-grid input, .form-grid select, .form-grid textarea {
    padding: 9px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.95rem; font-family: inherit;
}
.form-actions { display: flex; gap: 10px; margin-top: 16px; }

.error { background: #fee2e2; color: #991b1b; padding: 8px 10px; border-radius: var(--radius); font-size: 0.85rem; }
.success { background: #dcfce7; color: #166534; padding: 8px 10px; border-radius: var(--radius); font-size: 0.85rem; }

.checklist-item-row { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.checklist-item-row input[type=text] { flex: 1; }

.checkbox-list { border: 1px solid var(--border); border-radius: var(--radius); max-height: 260px; overflow-y: auto; padding: 6px 10px; background: #fafafa; }
.checkbox-row { display: flex; align-items: center; gap: 8px; padding: 6px 2px; font-size: 0.9rem; color: var(--text); border-bottom: 1px solid #eee; }
.checkbox-row:last-child { border-bottom: none; }
.checkbox-row input[type=checkbox] { width: auto; }

.photo-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.photo-grid img { width: 120px; height: 120px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }

.signature-box { border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; max-width: 320px; }
.signature-box img { max-width: 100%; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 800px) {
    .two-col, .form-grid { grid-template-columns: 1fr; }
    #main-nav { flex-wrap: wrap; }
}

.form-grid.single { grid-template-columns: 1fr; }

.checklist-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); gap: 10px; }
.checklist-row .label { flex: 1; font-size: 0.92rem; }
.toggle-yesno { display: flex; gap: 6px; }
.toggle-yesno button { padding: 7px 12px; border-radius: 8px; border: 1px solid var(--border); background: #fff; font-weight: 600; cursor: pointer; }
.toggle-yesno button.active-yes { background: #dcfce7; border-color: #16a34a; color: #166534; }
.toggle-yesno button.active-no { background: #fee2e2; border-color: #dc2626; color: #991b1b; }
.checklist-row input[type=text], .checklist-row input[type=number], .checklist-row select {
    padding: 7px; border-radius: 8px; border: 1px solid var(--border); width: 160px; font-size: 0.9rem;
}

.photo-thumb-wrap { position: relative; display: inline-block; }
.photo-thumb-wrap img { width: 120px; height: 120px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); display: block; }
.photo-delete {
    position: absolute; top: -6px; right: -6px; width: 22px; height: 22px; border-radius: 50%;
    background: var(--danger); color: #fff; border: 2px solid #fff; cursor: pointer; font-size: 0.9rem; line-height: 1;
}
.photo-grid { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 10px; }