:root {
    --color-primary: #1f5c3f;
    --color-primary-dark: #163f2c;
    --color-bg: #f5f6f5;
    --color-surface: #ffffff;
    --color-border: #dde1de;
    --color-text: #22282a;
    --color-text-muted: #667066;
    --color-danger: #b3261e;
    --color-danger-bg: #fdecea;
    --color-warning: #8a5a00;
    --color-warning-bg: #fff3e0;
    --color-success: #1f5c3f;
    --color-success-bg: #e6f0ea;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    padding-bottom: 24px;
}

header.topbar-campo {
    background: var(--color-primary);
    color: #fff;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 10;
}
header.topbar-campo .titulo { font-weight: 700; font-size: 15px; }
header.topbar-campo .sub { font-size: 11px; opacity: 0.85; }
header.topbar-campo a.volver { color: #fff; text-decoration: none; font-size: 20px; margin-right: 8px; }

.estado-conexion { font-size: 11px; padding: 3px 8px; border-radius: 999px; }
.estado-conexion.online { background: rgba(255,255,255,0.2); }
.estado-conexion.offline { background: var(--color-danger); }

#contador-cola {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    font-size: 12.5px;
    padding: 8px 16px;
    text-align: center;
    display: none;
}

main { padding: 16px; max-width: 480px; margin: 0 auto; }

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 14px;
}

h1 { font-size: 18px; margin: 0 0 6px; }
h2 { font-size: 15px; margin: 0 0 10px; }
p.muted { color: var(--color-text-muted); font-size: 13.5px; }

.btn-grande {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 10px;
}
.btn-grande.secundario { background: var(--color-surface); color: var(--color-primary-dark); border: 1.5px solid var(--color-primary); }
.btn-grande.peligro { background: var(--color-danger); }
.btn-grande:disabled { opacity: 0.5; }

.btn {
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--color-text-muted); margin-bottom: 5px; }
.field input, .field select, .field textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 15px;
    background: #fff;
}
.field textarea { min-height: 70px; resize: vertical; }

.lista-ot-item {
    display: block;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    margin-bottom: 8px;
    text-decoration: none;
    color: var(--color-text);
}
.lista-ot-item .num { font-weight: 700; font-size: 13.5px; }
.lista-ot-item .equipo { font-size: 13px; color: var(--color-text-muted); }
.lista-ot-item .badges { margin-top: 6px; display: flex; gap: 6px; flex-wrap: wrap; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge-A { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-B { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-C { background: var(--color-success-bg); color: var(--color-success); }
.badge-estado-pendiente { background: #eee; color: #555; }
.badge-estado-asignada { background: var(--color-success-bg); color: var(--color-success); }
.badge-estado-en_ejecucion { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-tipo-preventiva { background: var(--color-success-bg); color: var(--color-success); }
.badge-tipo-correctiva { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-tipo-mejora { background: var(--color-warning-bg); color: var(--color-warning); }

.checklist-item {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}
.checklist-item .desc { font-size: 14.5px; margin-bottom: 8px; }
.checklist-item .opciones { display: flex; gap: 8px; }
.checklist-item .opciones button {
    flex: 1; padding: 10px; border-radius: 8px; border: 1.5px solid var(--color-border);
    background: #fff; font-weight: 600; font-size: 13.5px; cursor: pointer;
}
.checklist-item .opciones button.activo-si { background: var(--color-success-bg); border-color: var(--color-success); color: var(--color-success); }
.checklist-item .opciones button.activo-no { background: var(--color-danger-bg); border-color: var(--color-danger); color: var(--color-danger); }

.fila-repuesto-campo { display: flex; gap: 6px; margin-bottom: 6px; }
.fila-repuesto-campo input { flex: 1; }
.fila-repuesto-campo input.cantidad { flex: 0 0 80px; }

.fotos-preview { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.fotos-preview img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; border: 1px solid var(--color-border); }

.empty-state-campo { text-align: center; color: var(--color-text-muted); padding: 30px 14px; font-size: 13.5px; }

#toast-container { position: fixed; bottom: 16px; left: 16px; right: 16px; z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast-campo { background: var(--color-text); color: #fff; padding: 10px 16px; border-radius: 10px; font-size: 13.5px; max-width: 420px; text-align: center; }
.toast-campo.error { background: var(--color-danger); }
.toast-campo.success { background: var(--color-primary); }

.usuario-chip {
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(255,255,255,0.15); color: #fff; border-radius: 999px;
    padding: 4px 10px; font-size: 12px; cursor: pointer; border: none;
}